Session 20 20th Conference on Mesoscale Processes

Program Chairs: Rosimar Rios-Berrios ; Yunji Zhang, PhD , The Pennsylvania State University

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Sunday, 16 July 2023

5:00 PM-7:00 PM: Sunday, 16 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Monday, 17 July 2023

8:00 AM-5:30 PM: Monday, 17 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:30 AM-9:45 AM: Monday, 17 July 2023

Recording files available
Session 1
Mesoscale Convective Systems
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: Elisa Murillo
8:30 AM
1.1
Objectively Diagnosing Characteristics of Mesoscale Organization from Radar Reflectivity and Ambient Winds
Ewan Short, Univ. of Melbourne, Parkville, Australia; and T. Lane and C. Vincent

8:45 AM
1.2
Impact of Global Warming on U.S. Summertime Mesoscale Convective Systems: A Simple Lagrangian Parcel Model Perspective
Qiu Yang, PNNL, Richland, WA; PNNL, Richland, WA; and L. R. Leung, Z. Feng, and X. Chen

Handout (11.9 MB)

9:15 AM
1.4
Environmental Controls on MCS Lifetime Rainfall over Tropical Oceans
Xingchao Chen, The Pennsylvania State Univ., University Park, PA; and L. R. Leung, Z. Feng, and Q. Yang

9:30 AM
1.5
Monsoonal MCS Initiation and Gravity Wave Propagation over the Bay of Bengal: Observation and a Linear Theory
Chin-Hsuan Peng, The Pennsylvania State University, University Park, PA; and X. Chen

9:45 AM-10:45 AM: Monday, 17 July 2023

Recording files available
Virtual Poster Session
Hosts: (Joint between the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )
V1
Simulations of Rising Thermals Using a Lagrangian Stochastic Closure for the Subgrid Turbulent Fluxes
Valerian Jewtoukoff, Univ. of Warsaw, Faculty of Physics, Poland, Warsaw, Poland; and G. C. Abade and M. Wacławczyk

V6
Study of the Dynamics and Upstream Track Deflection Associated with Typhoon Nepartak (2016) Passing over Taiwan’s Central Mountain Range
Richarde Graham II, North Carolina A&T State Univ., Greensboro, NC; and S. M. S. KARIM and Y. L. Lin

V7
Intercomparison of Tropospheric and Stratospheric Mesoscale Kinetic Energy Resolved by the High-Resolution Global Reanalysis Datasets
Li Ziyi, School of Atmospheric Sciences, Sun Yat-sen Univ., Zhuhai, Guangdong, China; and J. Wei, PhD, B. Xinghua, and Y. Q. Sun

Handout (2.4 MB)

V8
The Role of Precipitation and Convective Features on Tropical Cyclone Intensification Derived from 16-yr TRMM Observations
Xinxi Wang, Florida International Univ., Miami, FL; and H. Jiang and O. F. Guzman
Manuscript (86.1 kB)

Handout (966.2 kB) Handout (965.8 kB)

V9
V10
Improving the Anticipation of Potential Tornado Intensity Across Different Time Scales
Michael Sessa, Univ. of Illinois at Urbana–Champaign, Urbana, IL; and R. J. Trapp

Handout (249.3 kB)

V12
Extended Range Predictability of Severe Convective Storm Environments in Global Ensemble Forecast System Version 12 Reforecasts
Andrew Berrington, Cooperative Institute for Severe and High-Impact Weather Research and Operations (CIWRO), Norman, OK; and K. A. Hoogewind and A. J. Clark

Handout (3.2 MB)

V14
Jua Vilhelm: A Novel End-to-End AI System for Global Weather Prediction
Marvin Vincent Gabler, Jua.ai AG, Pfäffikon, Switzerland; and J. Wuilloud, H. Taheri Shahraiyni, D. Neupert, A. Grigoryev, R. Almeida, G. Martin Hernandez, J. D. Daubinet, N. Ekhtiari, R. J. Song, P. Dudbridge, and E. Tarakci

Handout (8.5 MB)

V15
The Effect of Surface Roughness on Storm-Relative Helicity
Timothy A. Coleman, Severe Weather Institute - Radar and Lightning Laboratories, Huntsville, AL; and K. Knupp

V16
Comparison of Arctic Cyclones in CESM2 Large Ensemble and ERA5
Madeline Clark Frank, Univ. of Oklahoma, Norman, OK

V17
Implementation of Organized Convection Parameterization in the Met Office Unified Model
Zhixiao Zhang, Univ. of Oxford, Oxford, Oxfordshire, United Kingdom; and M. Muetzelfeldt, H. Christensen, T. Woollings, R. Plant, A. Stirling, M. Whitall, and M. Moncrieff

V18
RaXPol Doppler-Radar Observations of Mesoscale Structures in Winter Storms in the Northeastern U. S. During IMPACTS 2022 and 2023
Howard B. Bluestein, Univ. of Oklahoma, Norman, OK; and D. Schvartzman, S. Emmerson, H. W. Hsu, G. Heymsfield, B. L. Cheong, T. Y. Yu, D. Sexton, and D. Feland

Handout (1.3 MB)

9:45 AM-11:00 AM: Monday, 17 July 2023


Queer Gatherings (QG) @ Madison
Location: Fair Trade Coffee House
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

9:45 AM-11:15 AM: Monday, 17 July 2023


AM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

10:15 AM-11:00 AM: Monday, 17 July 2023

Recording files available
NOAA Testbeds & Proving Grounds: Who We Are and How to Engage
Location: Madison Ballroom CD (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )
Cochairs: Louisa Bogar Nance; Stephanie J. Avey; Curtis R. Alexander

11:15 AM-12:30 PM: Monday, 17 July 2023

Recording files available
Session 2
Gravity Waves and Turbulence
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Chair: Leah D. Grant, Colorado State University
11:15 AM
2.1
11:30 AM
2.2
11:45 AM
2.3
Global Distributions of Tropospheric and Stratospheric Gravity Wave Momentum Fluxes Resolved By the 9-Km ECMWF Experiments
Junhong Wei, PhD, Sun Yat-Sen Univ., Zhuhai, Guangdong, China; and F. Zhang, J. H. Richter, M. J. Alexander, and Y. Q. Sun

Handout (26.1 MB)

12:00 PM
2.4
Shear-Driven Turbulent Eddies within Frontal Systems Approaching Steep Terrain and the Impact on Precipitation
Na Zhou, Stony Brook Univ., Stony Brook, NY; and B. A. Colle and A. R. Naeger

12:15 PM
2.5
Spatial Patterns of Turbulence Near Thunderstorms
Stacey M. Hitchcock, Melbourne, VIC, Australia

12:30 PM-2:00 PM: Monday, 17 July 2023


Lunch Break
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

2:00 PM-3:30 PM: Monday, 17 July 2023

Recording files available
Session 3
Organized Moist Convection I
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Erik R. Nielsen; Hongpei Yang
2:00 PM
3.1
2:30 PM
3.2
How is Convection Initiation Sensitive to Hodograph Characteristics?
Luke Justin LeBel, The Pennsylvania State Univ., University Park, PA; and P. M. Markowski

2:45 PM
3.3
Disparate Controls of Convective Cell Deepening and Intensification Based on Cell Width
Adam Varble, PhD, PNNL, Richland, WA; and Z. Feng, J. Marquis, Z. Zhang, and J. Hardin

3:00 PM
3.4
3:15 PM
3.5
The Influence of Midlevel Shear and Horizontal Rotors on Supercell Updraft Dynamics
Andrew James Muehr, Univ. of Oklahoma, Norman, OK; Cooperative Institute for Severe and High-Impact Weather Research and Operations, Norman, OK; and J. H. Ruppert Jr., M. Flournoy, and J. M. Peters

Recording files available
J3
Winter Storms: Advances in Forecasting I (Joint between the 32nd Conference on Weather Analysis and Forecasting, the 20th Conference on Mesoscale Processes, and the 28th Conference on Numerical Weather Prediction)
Location: Madison Ballroom A (Monona Terrace)
Hosts: (Joint between the 32nd Conference on Weather Analysis and Forecasting; the 20th Conference on Mesoscale Processes; and the 28th Conference on Numerical Weather Prediction )
Cochairs: Sarah Perfater, NWS; Jason M. Cordeira
2:00 PM
J3.1
Innovations in Winter Storm Forecasting and Decision Support Services
David R. Novak, NWS/Weather Prediction Center, College Park, MD; and S. Perfater

2:15 PM
J3.2
3D Characteristics of Snow Bands and Implications for Surface Snowfall in Northeast Winter Storms
Laura M Tomkins, North Carolina State Univ., Raleigh, NC; and S. E. Yuter and M. A. Miller

2:45 PM
J3.4
Regime-Dependent Predictability of Cold Season Precipitation Events in the St. Lawrence River Valley
Andrew C. Winters, Univ. of Colorado Boulder, Boulder, CO; and N. P. Bassill, J. R. Gyakum, and J. R. Minder

3:00 PM
J3.5
Improving Cool-Season Snowfall Forecasts from Operational Modeling Systems over the Western Continental United States
Peter Veals, Univ. of Utah, Salt Lake City, UT; and J. Steenburgh, M. Wessler, and M. D. Pletcher

3:15 PM
J3.6
Validation of Cool-Season Precipitation Forecasts at a High-Elevation Site in Utah's Little Cottonwood Canyon
Michael David Pletcher, Univ. of Utah, Salt Lake City, UT; and P. Veals, M. Wessler, D. Church, K. J. Harnos, J. Correia Jr., R. Chase, and J. Steenburgh

3:30 PM-4:15 PM: Monday, 17 July 2023


AMS Student Engagement Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

PM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

4:15 PM-5:30 PM: Monday, 17 July 2023

Recording files available
J4
Predictability Involving Multi-Scale Processes and Interactions
Location: Madison Ballroom CD (Monona Terrace)
Hosts: (Joint between the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )
Cochairs: Thomas Galarneau; Alexander Lojko
4:15 PM
JointJ4.1
Multi-Scale Interaction and Predictability of the Tropical Cyclone Rapid Intensification
Masashi Minamide, Univ. of Tokyo / JPL, Tokyo, Japan; and D. J. Posselt, PhD

4:30 PM
JointJ4.2
Error-Growth Dynamics in Idealized Midlatitude Cyclones with Different Moist Baroclinic Life Cycles
Daniel James Lloveras, Univ. of Washington, Seattle, WA; and D. R. Durran and J. D. Doyle

Handout (18.5 MB)

4:45 PM
JointJ4.3
An Object-Based Approach to Atmospheric Predictability
Falko Judt, NSF NCAR, Boulder, CO

5:15 PM
JointJ4.5
Investigating the Model Representation of Cloud Tops: Toward a Better Understanding of Overshoot Dynamics
Devin Bissell, Texas A&M Univ., College Station, TX; and G. L. Mullendore and C. J. Nowotarski

5:30 PM-7:00 PM: Monday, 17 July 2023


Welcome Reception
Location: Rooftop Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Tuesday, 18 July 2023

8:00 AM-5:30 PM: Tuesday, 18 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:30 AM-9:45 AM: Tuesday, 18 July 2023

Recording files available
Session 5
Extratropical Cyclones and Winter Storms
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Kristen L. Corbosiero, SUNY; Luke R. Allen, North Carolina State University
8:30 AM
5.1
Coastal and Orographic Influences on Lake-Effect Systems:Results from Recent Observational and Modeling Studies
Jim Steenburgh, Univ. of Utah, Salt Lake City, UT; and P. Veals, T. M. Gowan, L. Campbell, J. R. Minder, D. J. McKinney, S. Nakai, and S. Yamaguchi

9:00 AM
5.3
Microscale Updrafts Within the U.S. Northeast Coastal Snowstorms Using High-Resolution Cloud Radar Measurements
Mariko Oue, Stony Brook Univ., Stony Brook, NY; and B. A. Colle, S. E. Yuter, P. Kollias, P. Yeh, and L. M. Tomkins

9:15 AM
5.4
Enhanced Layers of Spectrum Width within Northeast U.S. Coastal Storms and Their Relationship with Precipitation Structures
Erin Leghart, Stony Brook Univ., Farmingdale, NY; and B. A. Colle, M. Oue, E. Luke, and P. Kollias

9:30 AM
5.5
The Development of Snow Multi-Bands in High-Resolution Idealized Baroclinic Wave Simulations
Nicholas M. Leonardo, Stony Brook Univ., Stony Brook, MA; and B. A. Colle

9:45 AM-11:15 AM: Tuesday, 18 July 2023


Poster Viewing and Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Tuesday Poster Session
Location: Hall of Ideas (Monona Terrace)
Hosts: (Joint between the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )
1
Mesoscale Convective System Parameterization for Global Climate Models
Mitchell William Moncrieff, NCAR, Boulder, CO; and J. H. Richter and C. C. Chen

3
Intraseasonal Variability of Recurving EPAC Tropical Cyclones
Alexander Kyle Mitchell, Univ. at Albany, Albany, NY

4
Causes of Differences in Depiction of Convective Lines in 1-km and 3-km CM1 Simulations
Samuel Luthi, Iowa State Univ., Ames, IA; Iowa State Univ., Ames, IA

5
The Advanced Quantitative Precipitation Information Project (AQPI)
Jonathan J. Rutz, Scripps Institution of Oceanography, Univ. of California San Diego, La Jolla, CA; and D. Roberts, V. Chandra, R. Cifelli, J. F. Kalansky, and J. Jasperse

Handout (2.1 MB)

6
The Total Water Uniform PDF in Ice Nucleation
Ruiyu Sun, NOAA/NWS/NCEP/EMC, Ellicott City, MD; IMSG at NOAA/NWS/NCEP/EMC, Ellicott City, MD; and F. Yang

7
Impacts of Moisture on the Organizational Modes of Mesoscale Convective Systems Associated with Warm-Sector Heavy Rainfall
Zhiyong Meng, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking Univ., Beijing, China; and S. Li

9
Linear Mountain Waves Past a Mountain Range with Concavity and Convexity
Kazuo Saito, Atmosphere and Ocean Research Institute, Univ. of Tokyo, kashiwa, Chiba, Japan; Meteorological Research Institute, Tsukuba, Ibaraki, Japan; Japan Meteorological Business Support Center, Chiyoda-ku, Tokyo, Japan

Handout (1.7 MB)

10
A Multi-Scale Study of the 23 October 2022 Southern England QLCS
Kenneth L. Pryor, PhD, NESDIS, College Park, MD; and D. Smart, D. Flack, and M. Clark
Manuscript (6.4 MB)

Handout (23.9 MB) Handout (4.0 MB)

11
12
The Role of North American Convective Storms on Jet Stream Dynamics: A Negative Potential Vorticity Perspective
Alexander Lojko, Univ. of Michigan, Ann Arbor, MI; Univ. of Michigan, Ann Arbor, MI; and A. C. Winters, C. Jablonowski, and A. E. Payne

Handout (2.6 MB)

13
Changes in Seasonal Occurrence and Interannual Variability of Tornado Outbreaks
Matthew Graber, Univ. of Illinois Urbana-Champaign, Champaign, IL; and R. J. Trapp and Z. Wang

16
Identification of Mesovortexgenesis Mechanisms in QLCSs using PERiLS Radar Data
Sean Donald Melanson, North Carolina State Univ., Raleigh, NC; and M. D. Parker, K. A. Kosiba, S. W. Nesbitt, R. J. Trapp, and J. Wurman

Handout (1.7 MB)

17
Evaluating the CAPE-Shear Parameter Space of Southeastern US QLCS Environments
Zachary Andrew Chalmers, North Carolina State Univ., Raleigh, NC; and M. D. Parker, K. A. Kosiba, S. W. Nesbitt, R. J. Trapp, and J. Wurman

18
Dynamics of Orographic and Thermal Forcing on the Environment Conducive to the Formation of the Tubbs Fire (2017)
Jackson Tyler Wiles, North Carolina A&T State Univ., Greensboro, NC; and M. L. Kaplan and Y. L. Lin

20
Characteristics of Observed Surface Pressure Waves (Gravity Waves) in the Contexts of Storm Structure and Reflectivity Features
Luke Robert Allen, North Carolina State Univ., Raleigh, NC; and S. E. Yuter, M. A. Miller, and L. M. Tomkins

21
Size Spectra and Controls on Mesoscale Convective Systems: Evidence from East Atlantic NASA CPEX-CV Program
Edward J. Zipser, Univ. of Utah, Salt Lake City, UT; and M. Rajagopal, A. K. Rowe, N. Sakaeda, and R. Rios-Berrios

22
C3IEL, The Cluster for Cloud Evolution Climate and Lightning Mission to Study Convective Clouds at High Spatial And Temporal Resolution
Céline Cornet, Laboratoire d’Optique Atmosphérique, CNRS/Université de Lille, Villeneuve d'Ascq, 59, France; and D. Rosenfeld, E. Defer, A. Deschamps, C. Price, and D. Ricard

23
Structures of Cold Pools from PERiLS 2022 & 2023
Miranda Kaylene Silcott, North Carolina State Univ., Garner, NC; North Carolina State Univ., Raleigh, NC; and M. D. Parker, K. A. Kosiba, S. W. Nesbitt, R. J. Trapp, and J. Wurman

24
Environmental Conditions Controlling the Morphology of Shallow Orographic Convection
Jialin Liu, McGill Univ., Montreal, QC, Canada; and D. J. Kirshbaum

Handout (873.1 kB)

26
MCS:PRIME - Environmental Precursors to Mesoscale Convective Systems
Mark Robert Muetzelfeldt, Univ. of Reading, Reading, Berkshire, United Kingdom; and R. S. Plant, Z. Zhang, H. Christensen, and T. Woollings

28
Dynamical Processes Perturbing Right-Moving Supercell Storm Motions
Nicholas Goldacker, North Carolina State Univ., Raleigh, NC

29
Lifetimes of Overshooting Convective Events Using High-Frequency Gridded Radar Composites
Daniel Jellis, Texas A&M Univ., Bryan, TX; and K. Bowman and A. D. Rapp

30
Modeling Study of Serve Downslope Winds during the Grassland Fire of Marshall, Colorado
Nicholas Golden, North Carolina A&T State Univ., Greensboro, NC; and J. Zhang

31
Evaluation of the Evolution of Severe Storm Environments through Use of the Lapse Rate Tendency Equation
Alan Garcia Rosales, Central Michigan Univ., Mount Pleasant, MI; Central Michigan Univ., Mount Pleasant, MI; and J. T. Allen

32
Observations of Convectively Generated Gravity Waves within the Stratiform Region of Mesoscale Convective Systems
Hannah Vagasky, Atmospheric and Environmental Research, Inc., Lexington, MA; and R. D. Adams-Selin, C. Evans, and D. V. Blount

Handout (3.7 MB)

33
Entrainment Makes Pollution More Likely to Weaken Deep Convective Updrafts Than Invigorate Them
John M Peters, Penn State Univ., State College, PA; and Z. Lebo, D. R. Chavas, and C. Y. Su

36
The Rain-Induced Boundary Layer Transition in Quasi-Linear Convective Systems
Matthew Starke, Univ. of Alabama in Huntsville, Huntsville, AL; and K. Knupp

38
Linking Stratospheric Polar Vortex Geometries with S2S Forecasting
Elena Fernandez, Univ. at Albany, SUNY, Albany, NY; and A. A. L. Lang

11:15 AM-12:30 PM: Tuesday, 18 July 2023

Recording files available
Session 6
Orographic Flows and Rainfall
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Casey Davenport, PhD; Logan Twohey
11:15 AM
6.1
The Isotopic Composition of Rainfall on a Subtropical Mountainous Island
Giuseppe Torri, Univ. of Hawai`i at Mānoa, Honolulu, HI; and A. D. Nugent, B. N. Popp, and M. Tang

11:30 AM
6.2
Ensemble Modelling of Moist Convection in Complex Terrain, a Case Study from the CACTI Field Campaign
Andres Yamil Lopez, McGill, Montreal, QC, Canada; and D. J. Kirshbaum

11:45 AM
Q&A / Discussion

12:00 PM
6.4
Vertical Motions in Orographic Cloud Systems over the Payette River Basin: Controls on Liquid Water Content, Drop Number Concentrations, and Drop Size Distributions
Troy Justin Zaremba, University of Washington, Seattle, WA; Univ. of Illinois at Urbana-Champaign, Urbana, IL; and R. M. Rauber, B. N. Geerts, J. R. French, S. A. Tessendorf, L. Xue, PhD, K. Friedrich, C. Weeks, R. M. Rasmussen, M. L. Kunkel, and D. Blestrud

12:15 PM
6.5
Orographic Modifications to Heavy Mei-Yu Rainfall in Taiwan
Ian Cornejo, Univ. of Wisconsin, Madison, WI; and A. Rowe, K. L. Rasmussen, Ph.D., and Y. Zhang, PhD

12:30 PM
Q&A / Discussion

12:30 PM-2:00 PM: Tuesday, 18 July 2023


Lunch Break
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

2:00 PM-3:30 PM: Tuesday, 18 July 2023

Recording files available
Session 7
Mesoscale Convective Systems II
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Christopher J. Nowotarski, Texas A&M University; Andrew James Muehr
2:00 PM
7.1
Investigate the Forcing Mechanisms Leading to the Formation of the African Easterly Waves Preceding the Genesis of Hurricanes in the Atlantic Ocean
S. M. SHAJEDUL KARIM, North Carolina A&T State Univ., Greensboro, NC; and J. T. Wiles and Y. L. Lin
Manuscript (4.4 MB)

2:15 PM
7.2
A Preliminary Analysis of Low-Frequency Gravity Wave, Line-End Vortex, and Environmental Flow Contributions to Rear-to-Front Flow in Observed MCSs
Dillon V. Blount, Univ. of Wisconsin-Milwaukee, Milwaukee, WI; and C. Evans, R. D. Adams-Selin, and H. Vagasky

2:30 PM
7.3
General Features of MCSs with the Organization of Multiple Parallel Rain Bands in China
Peiyu Wang, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking Univ., Beijing, China., Beijing, China

2:45 PM
7.4
3:00 PM
7.5
An Analytical Model Connecting Tropical MCS Convective Cores to Stratiform Region Growth Rates
Gregory S. Elsaesser, NASA GISS and Columbia Univ., New York, NY; and R. Roca, T. Fiolleau, A. Del Genio, J. Wu, S. Giangrande, and A. F. Prein

3:15 PM
7.6
Near-Storm Environments of Tropical Oceanic Convection As Observed from Recent NASA Airborne Campaigns
Angela Rowe, Univ. of Wisconsin-Madison, Madison, WI; and B. D. Rodenkirch and E. J. Zipser

Recording files available
J7
Winter Storms: Advances in Forecasting II (Joint between the 32nd Conference on Weather Analysis and Forecasting, the 20th Conference on Mesoscale Processes, and the 28th Conference on Numerical Weather Prediction)
Location: Madison Ballroom A (Monona Terrace)
Hosts: (Joint between the 32nd Conference on Weather Analysis and Forecasting; the 20th Conference on Mesoscale Processes; and the 28th Conference on Numerical Weather Prediction )
Cochairs: Andrew C. Winters; Peter Veals
2:00 PM
JointJ7.1
High-impact Observations for Enhancing Great Lakes Snowfall Forecasting
Claire Pettersen, University of Michigan, MADISON, WI; and S. W. Nesbitt, M. S. Kulie, J. Lenters, J. R. Richter, and M. R. Peters

2:15 PM
JointJ7.2
Challenges with Winter Weather Products in the National Weather Service National Blend of Models
Adam D. Schnapp, NWS, Silver Spring, MD; NWS, Silver Spring, MD; and D. E. Rudack, R. James, S. Perfater, and G. Manikin

2:30 PM
JointJ7.3
Combining Radar and NWP to Build a Snow Rate AI Algorithm
Andrew A. Rosenow, PhD, CIWRO - Cooperative Institute for Severe and High Impact Weather Research and Operations, Norman, OK; and H. D. Reeves

2:45 PM
JointJ7.4
Unifying and Simplifying Winter Precipitation Accumulations in NCEP Models
Geoffrey Manikin, NOAA/NWS/NCEP/EMC, College Park, MD; and J. J. Levit, H. Y. Chuang, E. A. Aligo, M. J. Barlage, F. Yang, and J. Meng

3:00 PM
JointJ7.5
3:15 PM
JointJ7.6
P-type Processes and Predictability: A Case Study from the Winter Precipitation Type Research Multiscale Experiment (WINTRE-MIX)
Justin R Minder, Univ. at Albany, Albany, NY; and N. P. Bassill, F. Fabry, J. R. French, K. Friedrich, I. Gultepe, J. R. Gyakum, K. A. Kosiba, M. Lachapelle, D. Michelson, L. Nichman, C. Nguyen, J. M. Thériault, A. C. Winters, M. Wolde, and J. Wurman

3:30 PM-4:15 PM: Tuesday, 18 July 2023


PM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

4:15 PM-5:30 PM: Tuesday, 18 July 2023

Recording files available
Session 8
Organized Moist Convection II
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: Adam L. Houston, University of Nebraska-Lincoln
4:15 PM
8.1
A Theory for the Role of Vertical Wind Shear in Deep Convection Initiation
John M Peters, Penn State Univ., State College, PA

4:30 PM
8.2
The Simulated Organization of Deep Convection during MJO
Mingyue Tang, Univ. of Hawaiʻi at Mānoa, HONOLULU, HI; and G. Torri

4:45 PM
8.3
Low-Level Jet Influences on the Warm Season Convective Environment in Central Argentina
Clayton Robert Stanley Sasaki, Univ. of Washington, Seattle, WA; and A. K. Rowe and L. McMurdie

5:00 PM
8.4
Enhancing our Understanding of Tropical Convective Processes through the INCUS Mission
Susan C. Van Den Heever, Colorado State Univ., Fort Collins, CO; and Z. S. Haddad, J. Bukowski, R. Chase, B. Dolan, S. W. Freeman, L. D. Grant, P. Kollias, G. Leung, Z. J. Luo, P. J. Marinescu, M. G. Morris, D. J. Posselt, PhD, K. L. Rasmussen, S. Prasanth, R. Schulte, I. Singh, G. L. Stephens, R. L. Storer, O. Sy, H. Takahashi, S. Tanelli, and Z. Xu

5:15 PM
8.5
Synoptic and Mesoscale Environment Variability of US Large Hail Events
John T. Allen, Central Michigan Univ., MOUNT PLEASANT, MI; and C. J. Nixon and K. J. Gillett

5:30 PM-7:00 PM: Tuesday, 18 July 2023


Coriolis EDIB Reception
Location: Rooftop Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Wednesday, 19 July 2023

8:00 AM-5:30 PM: Wednesday, 19 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:30 AM-9:45 AM: Wednesday, 19 July 2023

Recording files available
J9
Predictability of Arctic Cyclones I
Location: Madison Ballroom CD (Monona Terrace)
Hosts: (Joint between the 20th Conference on Mesoscale Processes; the 32nd Conference on Weather Analysis and Forecasting; and the 28th Conference on Numerical Weather Prediction )
CoChair: Steven Cavallo, University of Oklahoma
8:30 AM
JointJ9.1
Sensitivity and Predictability of Mesoscale Polar Lows
James D. Doyle, NRL, Monterey, CA; and K. A. Biernat

Handout (7.5 MB)

8:45 AM
JointJ9.2
Sensitivity of an August 2022 Arctic Cyclone to Sea Ice and Ocean Representation in Polar WRF
Kyle K. Ahern, SUNY, Univ. at Albany, Albany, NY; and L. F. Bosart and D. Keyser

9:00 AM
JointJ9.3
Coupled Simulations of a Wintertime Arctic Cyclone with Significant Surface Impacts Observed During MOSAiC
Ola Persson, CIRES and NSIDC, University of Colorado at Boulder, Boulder, CO; Univ. of Colorado, Boulder, CO; and A. B. Solomon, J. Hutchings, D. Watkins, J. Haapala, G. Svensson, and T. Stanton

9:30 AM
JointJ9.5

9:45 AM-11:15 AM: Wednesday, 19 July 2023


Poster Viewing and Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Wednesday Poster Session
Location: Hall of Ideas (Monona Terrace)
Hosts: (Joint between the 28th Conference on Numerical Weather Prediction; the 20th Conference on Mesoscale Processes; and the 32nd Conference on Weather Analysis and Forecasting )
39
The Plan for the All-Sky Radiance Assimilation over Land in the NCEP Global Model
Azadeh Gholoubi, EMC, College Park, MD; and H. E. Liu, A. Collard, and D. T. Kleist

40
Physically Explainable Deep Learning for Convection Initiation Nowcasts
Da Fan, Penn State Univ., University Park, PA; and S. J. Greybush and D. J. Gagne II, Ph.D.

41
A Deep Learning Approach to Severe Weather Subseasonal Forecasting Over the United States
Maria M. Madsen, AI Institute for Research on Trustworthy AI in Weather, Climate, and Coastal Oceanography (AI2ES), Norman, OK

Handout (2.6 MB)

42
Extended Range Machine-Learning Severe Weather Guidance Based on the Operational GEFS
Adam J. Clark, NSSL, Norman, OK; and A. J. Hill, K. A. Hoogewind, A. Berrington, and E. D. Loken

43
An Evaluation of a Convolutional Neural Network for Classifying Images from In-situ Cloud Probes
Marwa Majdi, Univ. of North Dakota, Grand Forks, ND; Univ. of North Dakota, Grand Forks, ND; and D. Delene and C. Nairy

Handout (527.0 kB)

45
Preliminary Evaluation of Real-Time, 8-Day, Convection-Allowing Ensemble Forecasts over the Conterminous United States
Craig Schwartz, Colorado State University, Fort Collins, CO; and R. A. Sobash, L. M. Harris, K. Y. Cheng, M. Morin, and L. Zhou

46
Comparing Storm Environments and Forecast Performance in the HRRR, RRFS, and the NSSL MPAS Models
Corey K. Potvin, NSSL, Norman, OK; Univ. of Oklahoma, Norman, OK; and A. J. Clark, M. G. Duda, T. A. Jones, K. H. Knopfmeier, E. Mansell, L. J. Reames, W. Skamarock, Y. Wang, L. J. Wicker, and N. Yussouf

Handout (1.9 MB)

47
The Impact on Simulated Bow Echoes of Changing Grid Spacing from 3 km to 1 km in WRF
William A. Gallus Jr., Iowa State Univ., AMES, IA; and D. J. Dodson

48
Validation of Offshore Winds in the ERA5 Reanalysis and HRRR Model Using Two Floating LIDARS South of Long Island, NY
Christopher Fragano, SUNY at Stony Brook, Stony Brook, NY; and B. A. Colle and J. M. Freedman

Handout (1.6 MB)

49
52
Census of Valley and Mountain Profiling Radar Characteristics during Winter Storms along Utah's Wasatch Front
Ashley Nicole Evans, Univ. of Utah, Salt Lake City, UT; and P. Veals, M. L. Wasserstein, and J. Steenburgh

54
Examining Vertical Velocities in the Dendritic Growth Zones of WRF Simulations of High Impact East Coast Winter Storms
Jacob D. Hair, Penn State Univ., University Park, PA; and S. J. Greybush, Y. Zhang, PhD, and M. Kumjian

Handout (6.6 MB)

55
Characteristics of Lake-Effect Precipitation over the Black River Valley and Western Adirondack Mountains
Jim Steenburgh, Univ. of Utah, Salt Lake City, UT; and J. A. Cunningham, P. Bergmaier, B. N. Geerts, and P. Veals

56
Observations of Arctic Cyclones and their Interactions with Clouds and Sea Ice during THINICE
James D. Doyle, NRL, Monterey, CA; and G. Riviere, J. Delanoë, and J. Methven

Handout (7.3 MB)

58
Synoptic-Scale Predictability of Two Near-Freezing Precipitation Events during the WINTRE-MIX Field Campaign
Clairisse Alison Reiher, Univ. of Colorado, Boulder, CO; and A. C. Winters

59
Contributing Factors to Simulated Vertical Structure of Microscale Features in the Snake River Plain
Joseph Edward Wermter, SRNL= Savannah River National Laboratory, Aiken, SC; and S. R. Chiswell

60
The Development and Testing of a Bias Correction Algorithm for Mesonet Wind Observations in 3D-RTMA
Matthew Thomas Morris, SAIC @ NOAA/NWS/NCEP/EMC, College Park, MD; and R. J. Purser, M. Pondeca, E. Colon, G. Zhao, A. M. Gibbs, and J. R. Carley

61
Impact of Assimilating New York Stat MesoNet and Two Offshore LiDARs on Modeling the New York Bight Jet
Nicholas M. Leonardo, Stony Brook Univ., Stony Brook, MA; and B. A. Colle and J. M. Freedman

62
A Review and Analysis of the Addition of TAC and High Resolution BUFR Format Sonde Data and GPS Information to EMC's Observations Processing
Nicholas R. Esposito, SAIC @ NOAA NWS NCEP EMC, College Park, MD; NOAA, College Park, MD; and A. Collard, I. Genkova, C. Hill, D. T. Kleist, and D. Merkova

64
The Use of METplus in Testbeds for Research to Operations Activities
Tara L. Jensen, National Center for Atmospheric Research and Developmental Testbed Center, Boulder, CO; and J. Opatz, T. J. Hertneky, M. A. Harrold, K. M. Newman, W. Mayfield, C. P. Kalb, J. Beck, W. Li, L. Pan, M. Zhang, L. B. Nance, M. B. Ek, M. Smith, and J. L. Vigh

65
Assessment of RRFS Based Cloud Forecasts at the Aviation Weather Testbed
Robert M. Hepper, NOAA/NWS/NCEP/AWC, Kansas City, MO; and A. E. Cross, S. J. Avey, T. A. Higginbotham, and A. P. Korner

Handout (5.6 MB)

67
Formulation and Evaluation of a Calibrated Tornado Forecast Guidance Ensemble
David E. Jahn, Cooperative Institute for Severe and High-Impact Weather Research and Operations and Univ. of Oklahoma, Norman, OK; and B. T. Smith, I. L. Jirak, C. Karstens, E. D. Loken, B. T. Gallo, and T. A. Supinie
Manuscript (878.6 kB)

69
Quase-Linear Convective Systems Over Complex Terrain in South of Brazil
William Coelho, National Institute for Space Research (INPE), Cachoeira Paulista, Brazil; and D. L. HERDIES and L. Nolasco

72
Application of Adjoint-Derived Ensemble for Tropical Cyclones Rapid Intensification
Zoe A. Zibton, National Research Council, Monterey, CA; and J. D. Doyle

73
Rainfall Distribution And Extreme Flash Floods in Semi-Arid Region of El Paso, Texas
Nakul Nitin Karle, PhD, NCAS-M, Beltsville, MD; Howard Univ., Washington, DC; and S. Chiao, J. Laney, J. Barham, and G. Lundeen

74
The Mesoscale Meteorology of the June 2021 Northwest Heatwave
Clifford F. Mass, Univ. of Washington, Seattle, WA; Univ. of Washington, Seattle, WA; and D. Ovens

75
Update on the Use of WRF TKE Profiles in SCIPUFF Dipole Pride 26 Field Test Comparison
David R. Stauffer, Xator Corporation, a Parsons Company, State College, PA

76
Got Code ? Join the UFS Community !
Hendrik L. Tolman, Dr. Ir., NOAA, Silver Spring, MD

11:15 AM-12:30 PM: Wednesday, 19 July 2023

Recording files available
Session 10
Prediction Of and Data Assimilation in Mesoscale Processes and Mesoscale Extremes
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Xingchao Chen, The Pennsylvania State University; Matthew Graber, University of Illinois Urbana-Champaign
11:15 AM
10.1
Simultaneous Assimilation of Polarimetric and All-Sky Satellite Data for Ensemble Convection Forecasts
Keenan Christopher Eure, The Pennsylvania State Univ., State College, PA; and Y. Zhang, PhD, D. J. Stensrud, and M. Kumjian

11:30 AM
10.2
Impact of Soil Moisture Data Assimilation on the Numerical Simulation of Landfalling Hurricanes
Zhaoxia Pu, Univ. of Utah, Salt Lake City, UT; Univ. of Utah, Salt Lake City, UT

12:00 PM
10.4
Improving the Prediction and Discernment of Frontal Boundaries with Deep Learning
Andrew Douglas Justin, NSF AI Institute for Research on Trustworthy AI in Weather, Climate, and Coastal Oceanography (AI2ES), Norman, OK; and A. McGovern and J. T. Allen

12:30 PM-2:00 PM: Wednesday, 19 July 2023


Lunch Break
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

2:00 PM-3:30 PM: Wednesday, 19 July 2023

Recording files available
Session 11
Science and Prediction of Extreme Rainfall
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Angela Rowe; Ian Cornejo, University of Wisconsin - Madison
2:15 PM
11.2
Evaluation and Assimilation of Low-Level Moisture from the MPD during the
Yunji Zhang, PhD, The Pennsylvania State Univ., University Park, PA; and X. Chen

2:30 PM
11.3
2:45 PM
11.4
Recent Observed Trends and Interannual Variability of Summertime Extreme Convective Rainfall Events in the Central and Eastern United States
Jason Chiappa, Univ. of Oklahoma, Norman, OK; and D. B. Parsons, A. Shapiro, and J. C. Furtado

3:15 PM
11.6
Sources of Forecast Errors for Extreme-Rain-Producing Mesoscale Convective Systems
Russ S. Schumacher, Colorado State Univ., Fort Collins, CO; and A. J. Hill

3:30 PM-4:15 PM: Wednesday, 19 July 2023


PM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

4:15 PM-5:30 PM: Wednesday, 19 July 2023

Recording files available
Session 12
Organized Moist Convection III
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: Stacey M. Hitchcock
4:15 PM
12.1
The Covariability of Microphysical and Dynamical Processes within Convective Updrafts in Different Environments and Storm Types
Peter J. Marinescu, Colorado State Univ., Fort Collins, CO; and S. C. van den Heever, J. Bukowski, L. D. Grant, D. J. Posselt, PhD, and I. Singh

4:30 PM
12.2
Sensitivity Study of Deep Convection Dynamics to Tropospheric Humidity Using Large-Eddy Simulations
Didier Ricard, CNRM, Toulouse, France; and M. Sellier and C. Lac

4:45 PM
12.3
Dry Air Above the PBL As a Convection Initiation Failure Mode in Idealized Simulations
Christopher Nowotarski, Texas A&M Univ., College Station, TX; and D. Bissell, J. M. Peters, and J. P. Mulholland

5:00 PM
12.4
The Impact of CIN Depth on Simulated Deep Convection Initiation
Adam L. Houston, Univ. of Nebraska-Lincoln, Lincoln, NE

5:15 PM
12.5
Convective Stratospheric Hydration, AACPs, & Tropopause Height
Elisa Murillo, Univ. of Oklahoma, Norman, OK; and C. R. Homeyer and G. L. Mullendore

5:30 PM-7:30 PM: Wednesday, 19 July 2023


Session
AMS Student Engagement Social Hour
Location: Rooftop Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Thursday, 20 July 2023

8:00 AM-5:30 PM: Thursday, 20 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:30 AM-9:45 AM: Thursday, 20 July 2023

Recording files available
Session 13
Professor Lev Gutman's 100th Anniversary I
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Garik Gutman, NASA; Roger A. Pielke, Univ. of Colorado
8:30 AM
13.1
The Legacy of Prof. Lev Gutman: A Short Bio and Curious Facts
Garik Gutman, NASA Headquarters, Washington, DC

9:00 AM
13.2
9:30 AM
13.3
Gutman and Mesoscale Modelling
Svante Bodin, Phd, International Cryosphere Climate Initiative, Stockholm, Sweden

Recording files available
J13
Winter Storms: Effects of Extreme Temperature Outbreaks
Location: Madison Ballroom A (Monona Terrace)
Hosts: (Joint between the 32nd Conference on Weather Analysis and Forecasting; the 20th Conference on Mesoscale Processes; and the 28th Conference on Numerical Weather Prediction )
Cochairs: Andrew A. Rosenow, PhD; Steven J. Greybush
8:30 AM
JointJ13.1
8:45 AM
JointJ13.2
A Space-Based Analysis of North Atlantic Snowfall and Clouds during Marine Cold-Air Outbreaks
Marian Mateling, Univ. of Wisconsin-Madison, MADISON, WI; Univ. of Wisconsin-Madison, Madison, WI; and C. Pettersen, M. S. Kulie, and T. S. L'Ecuyer

9:00 AM
JointJ13.3
Direct and Indirect Relationships Between Atmospheric Rivers and Precipitation in Colorado
Xun Zou, Univ. of California San Diego, La Jolla, CA; and J. M. Cordeira, S. B. BATTULA, J. J. Rutz, and Z. Zhang

9:15 AM
JointJ13.4
Climatological Perspective and Synoptic Analysis of Landfalling Atmospheric Rivers in California During December 2022 and January 2023
Jason M. Cordeira, UCSD/SIO/CW3E, La Jolla, CA; and S. M. Bartlett, L. F. Bosart, C. Castellano, A. Cobb, C. W. Hecht, T. Y. HSU, J. F. Kalansky, B. Kawzenuk, T. C. Leicht, A. K. Mitchell, B. J. Moore, D. L. Nash, M. M. Ralph, and X. zou

9:45 AM-11:15 AM: Thursday, 20 July 2023


Poster Viewing and Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

Thursday Poster Session
Location: Hall of Ideas (Monona Terrace)
Hosts: (Joint between the 32nd Conference on Weather Analysis and Forecasting; the 28th Conference on Numerical Weather Prediction; and the 20th Conference on Mesoscale Processes )
77
A Numerical Study of Hurricane Maria 2017 Using a Fast Version Weather Research and Forecasting (WRF) Model
Jiali Wang, ANL, Lemont, IL; and G. Sever, C. Jung, W. J. Pringle, and R. Kotamarthi

78
79
Effect of Northward Ageostrophic Winds Associated with a Tropical Cyclone on PRE Rainfall Enhancement
Kazuo Saito, Meteorological Research Institute, Tsukuba, Ibaraki, Japan; Japan Meteorological Business Support Center, Chiyoda-ku, Tokyo, Japan; Atmosphere and Ocean Research Institute, Univ. of Tokyo, kashiwa, Chiba, Japan; and T. Matsunobu and T. Oizumi

Handout (2.2 MB)

80
Analysis on the Track Deflection of Hurricane Florence (2018) Using HWRF Modeling and Vorticity Budget Analysis
Lela Shumpert, North Carolina A&T State Univ., Greensboro, NC; and L. Liu and Y. L. Lin
Manuscript (3.0 MB)

81
Sensitivity of Tropical Cyclone Rapid Intensification Onset Using an Adjoint Model
Zoe A. Zibton, National Research Council, Monterey, CA; and J. D. Doyle

82
Examining Tropical Cyclone Rainbands as Detected by Ground- and Space-Based Radars
Corene J. Matyas, Univ. of Florida, Gainesville, FL; and Z. S. Ali, K. Wood, and S. E. Zick
Manuscript (922.4 kB)

83
Evaluation of the GPM IMERG Precipitation Products Using Rain Gauge Network Dataset over the Tibetan Plateau
Yuanchun Zhang, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, Beijing, Beijing, China; and Y. Huang and J. Sun

85
Kinematic Modeling Study of the Re-Organization of Snowfall Beneath Cloud-Top Generating Cells in Midlatitude Cyclones
Andrew Janiszeski, Univ. of Illinois at Urbana-Champaign, Urbana, IL; and R. M. Rauber, B. Jewett, G. M. McFarquhar, T. J. Zaremba, and J. E. Yorks

89
90
Effects of Land Surface Type on Sea-Breeze Convection in the Houston Area
Benjamin David Ascher, Colorado State Univ., Fort Collins, CO; and S. M. Saleeby, P. J. Marinescu, and S. C. Van Den Heever

91
Environmental Conditions, Evolution and Mechanisms of the EF4 Tornado in Kaiyuan of Liaoning Province on 3 July 2019
Yongguang Zheng Sr., National Meteorological Centre of China Meteorological Administration, Beijing, Beijing, China; and Y. Lan
Manuscript (1.0 MB)

Handout (1.6 MB)

92
Satellite Radiance Data Assimilation in the NOAA’s Next Generation Regional Model - Rapid Refresh Forecast System (RRFS)
Xiaoyan Zhang, EMC, College Park, MD; SAIC @ NOAA/NWS/NCEP/EMC, College Park, MD; and T. lei, S. Liu, H. Lin, and J. R. Carley

94
Precipitation Growth Processes in the Comma Head Region of the 7 February 2020 Northeast Snowstorm: Results from IMPACTS
Troy Justin Zaremba, University of Washington, Seattle, WA; and M. Varcie, R. M. Rauber, G. M. McFarquhar, J. Finlon, L. McMurdie, A. V. Ryzhkov, M. Schnaiter, E. Järvinen, F. Waitz, D. J. Delene, M. Poellot, and A. Janiszeski

96
A Multi-Probe Automated Classification of Ice Crystal Habits During the IMPACTS Campaign
Julian Christopher Schima, CIWRO, Norman, OK; and G. M. McFarquhar, D. Delene, A. J. Heymsfield, A. Bansemer, M. Schnaiter, J. Finlon, E. Järvinen, and F. Waitz

97
Mesoscale Processes Leading to Warm Sector Convection Initiation During the 27 April 2011 Afternoon Supercell Outbreak
Manda B. Chasteen, NCAR, Boulder, CO; and R. Rotunno, S. E. Koch, and G. S. Romine

98
An Examination of Tornadogenesis during the 01 January 2022 Triana, Alabama Tornado
Zebulon W. Leffler, The University of Alabama in Huntsville, Huntsville, AL

99
Using Machine Learning to Predict Convection-Allowing Ensemble Forecast Skill: Evaluation with the NSSL Warn-on-Forecast System
Corey K. Potvin, NSSL, Norman, OK; Univ. of Oklahoma, Norman, OK; and M. L. Flora, P. S. Skinner, A. E. Reinhart, and B. C. Matilla

Handout (1.4 MB)

100
Analysis of Uncertainty in Location and Motion Information in Tornado Warnings
Kevin Ash, Univ. of Florida, Gainesville, FL; and C. M. Feemster, C. L. Williams, J. Boehnert, J. L. Demuth, D. J. Gagne II, Ph.D., R. E. Morss, O. Wilhelmi, F. Bowser, M. Bunkers, C. Karstens, J. G. LaDue, and D. D. Nietfeld

102
Effects of Terrain and Land Cover on Radar-Observed 3-Dimensional Tornado Wind Fields
Jana B. Houser, PhD, The Ohio State Univ., Columbus, OH; and B. Price, H. B. Bluestein, K. A. Kosiba, Z. B. Wienhoff, and J. Wurman

103
A Virtual Workshop Involving College Students to Explore the Relative Role of Visualization and Stakeholder Interaction on Risk Perception
Josef Moses, Stony Brook Univ., North Babylon, NY; Stony Brook Univ., Stony Brook, NY; and B. A. Colle, J. R. Hathaway, E. Bojsza, S. S. Davis, K. E. Rowan, A. Hills, E. C. Duesterhoeft, S. Boorboor, A. E. Kaufman, and S. E. Brennan

Poster 104 is now Paper 17.5A

105
Factors Contributing to the Offshore Propagation of Coastal Rainfall over Western Africa As Deduced from CPEX-CV Observations
Rosimar Rios-Berrios, ; and K. M. Nunez-Ocasio, S. N. Wu, N. Sakaeda, and E. R. Martin

106
Towards an Updated Climatology of Overland Tropical Cyclone Maintenance and Intensification in Non-/Weakly Baroclinic Environments
Andrew O. Hickok, Univ. of Wisconsin-Milwaukee, Milwaukee, WI; and M. P. Vossen and C. Evans

107
A Climatology of Mesoscale Airmasses with High Theta-e Across the Continental United States
Charles Kropiewnicki, Univ. of Nebraska-Lincoln, Mullica Hill, NJ; Univ. of Nebraska-Lincoln, Lincoln, NE; and A. L. Houston and J. M. Keeler

108
Understanding the Clustering of Proximity Sounding Profiles and Sounding Derived Parameters for Near-Storm Environments
Zhanxiang Hua, Univ. of Washington Seattle, Seattle, WA; and A. Anderson-Frey

109
Synoptic Control on the Initiation and Upscale Growth of Warm-season MCSs over the South China Coast
Chenli Wang, Nanjing Univ., Nanjing, China; and X. Chen, K. zhao, and C. H. Peng

Handout (571.4 kB)

111
Contribution of Atmospheric Rivers to Seasonal Precipitation in the US Intermountain West
Divya Rea, Univ. of Illinois at Urbana-Champaign, Champaign, IL; and R. M. Rauber

113
Spatiotemporal Variability in Convective Cells and their Thermodynamic and Aerosol Environments during TRACER
Milind Sharma, Texas A&M Univ., College Station, TX; and C. Nowotarski, A. D. Rapp, S. D. Brooks, S. Thompson, and B. Chen

114
Sensitivity of Weather Forecasts to Soil Moisture Perturbations in Coastal Regions
Kevin A. Biernat, National Research Council, Monterey, CA; and P. M. Finocchio and J. D. Doyle

115
Sensitivity Experiments of Gravity Wave Drag Parameterizations for Unified Forecast Systems (UFS)
Song You Hong, NOAA/PSL and Univ. of Colorado/CIRES, Boulder, CO; and M. D. Toy, J. W. Bao, J. B. Olson, and F. Yang

11:15 AM-12:30 PM: Thursday, 20 July 2023

Recording files available
Session 14
Professor Lev Gutman's 100th Anniversary II
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Garik Gutman, NASA; Pinhas Alpert
11:15 AM
14.1
Mesometeorological Motions Caused By Topography
Alexander P. Khain, The Hebrew Univ. of Jerusalem, Israel, Jerusalem, Israel

11:30 AM
14.2A
Urban and Boundary Layer Meso-Meteorological Modeling for Integrated Systems: In Memory of Prof. L. Gutman
Alexander Baklanov, WMO, Geneva, Geneva canton, Switzerland; WMO, Geneve, Switzerland

12:00 PM
14.4
Exact Solutions of the Ekman Problem with Periodic Forcing
Georgy Burde, Ben-Gurion Univ. of the Negev, Midreshet Ben Gurion, Negev, Israel

12:15 PM
14.6
The Potential of an Index for Mesoscale Activity – Based on High Resolution INCA-Analysis Data
Pinhas Alpert, Tel Aviv Univ., Tel-Aviv, Israel; and D. Mordochovich

Recording files available
J14
Winter Storms: Results from NASA IMPACTS Field Campaign (Joint between the 32nd Conference on Weather Analysis and Forecasting, the 20th Conference on Mesoscale Processes, and the 28th Conference on Numerical Weather Prediction)
Location: Madison Ballroom A (Monona Terrace)
Hosts: (Joint between the 32nd Conference on Weather Analysis and Forecasting; the 20th Conference on Mesoscale Processes; and the 28th Conference on Numerical Weather Prediction )
Cochairs: Claire Pettersen; Marian Mateling
11:30 AM
JointJ14.2
Assessing Predictability of Winter Storms during the NASA IMPACTS Field Campaign
Steven J. Greybush, Penn State Univ., University Park, PA; and J. Seibert, S. Zhang, J. D. Hair, E. Myskowski, Y. Zhang, PhD, and M. Kumjian

11:45 AM
JointJ14.3
Passive Microwave Observations of Mesoscale Snow Bands from NASA IMPACTS
Matthew A. Miller, North Carolina State Univ., Raleigh, NC; and S. E. Yuter and L. M. Tomkins

12:00 PM
JointJ14.4
Multimodal Ice Crystal Size Distributions in Atlantic Coast Snowstorms: Results from IMPACTS 2020
Peter Anthony Brechner, MS, Univ. of Oklahoma, Norman, OK; and G. M. McFarquhar, J. Schima, D. J. Delene, C. Nairy, K. L. Thornhill, J. Finlon, D. W. Toohey, A. J. Heymsfield, A. Bansemer, R. M. Rauber, E. Järvinen, and M. Schnaiter

12:15 PM
JointJ14.5
Variability of Cool Season Precipitation Structures Within the Cyclone Comma Head
Phillip Yeh, SUNY, Stony Brook, NY; SUNY Stony Brook University, Stony Brook, NY; and B. A. Colle, L. M. Tomkins, and S. E. Yuter

12:30 PM-2:00 PM: Thursday, 20 July 2023


Lunch Break
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

2:00 PM-3:30 PM: Thursday, 20 July 2023

Recording files available
J15
Predictability of Arctic Cyclones II
Location: Madison Ballroom CD (Monona Terrace)
Hosts: (Joint between the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )
Chair: Ola Persson
2:00 PM
JointJ15.1
2:15 PM
JointJ15.2
Characteristics and Lifecycles of Anticyclonic Tropopause Polar Vortices
Joseph Burzdak, Univ. of Oklahoma, Norman, OK; and S. Cavallo and D. B. Parsons

2:30 PM
JointJ15.3
Sensitivity of the February 2021 U.S. Cold-Air Outbreak to Tropopause Polar Vortex Intensity
Tomer Burg, CIRES @ NOAA/NWS/WPC/HMT, College Park, MD; and S. Cavallo

2:45 PM
JointJ15.4
Impact of Assimilating the THINICE2022 Continuous Windborne Observations inside a TPV on the Predictability of an Arctic Cyclone
ZHIHONG CHEN, The Univ. of Oklahoma, Norman, OK; and A. T. Johnson, X. Wang, J. Creus-Costa, and T. Hutchinson

3:00 PM
JointJ15.5
Impact of Windborne Observation Assimilation on Prediction of a TPV Merger and Arctic Cyclogenesis Case Study from THINICE
Aaron T. Johnson, Univ. of Oklahoma, Norman, OK; and X. Wang, J. Creus-Costa, and T. Hutchinson

3:15 PM
JointJ15.6
The Impact of Assimilated Clear-Sky and Cloudy Retrievals on Arctic Prediction During THINICE 2022
Steven Businger, Univ. of Hawaii at Manoa, Honolulu, HI; and T. Dunn, P. Antonelli, T. Cherubini, P. Scaccia, A. Valletti, and T. Corrigan

3:30 PM-4:15 PM: Thursday, 20 July 2023


PM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

4:15 PM-5:30 PM: Thursday, 20 July 2023

Recording files available
Session 16
Impacts of Inhomogeneous Underlying Surfaces on Convection Initiation and Organization I
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: James N. Marquis
4:15 PM
16.1
Lake-Breeze-Front-Like Features During Large-Scale Onshore Flow and Their Influence on Convection Initiation
Christian H Boyer, Lynker at NOAA/NWS/NCEP/EMC, College Park, MD; and J. M. Keeler

4:30 PM
16.2
Instability Maxima on the Cool Side of Lake-Breeze Fronts and Their Influence on Convection Initiation
Jason M. Keeler, Central Michigan Univ., Mount Pleasant, MI; and C. H. Boyer

4:45 PM
16.3
DEsert-oasis COnvergence line and Deep convection Experiment (DECODE)
Zhiyong Meng, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking Univ., Beijing, China; and X. Meng and C. Wang Sr.

5:00 PM
16.4
Evaluation of Real-Time Forecasts during DECODE 2022 in China
Murong ZHANG, Xiamen Univ., Xiamen, Fujian, China; and Z. Meng, Y. Yang, H. Liu, L. Zhu, Y. Huang, and X. Wang

5:15 PM
16.5

Friday, 21 July 2023

8:00 AM-3:30 PM: Friday, 21 July 2023


Speaker Ready Room
Location: Hall of Ideas G (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:00 AM-4:00 PM: Friday, 21 July 2023


Registration
Location: Counter 2 (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

8:30 AM-10:00 AM: Friday, 21 July 2023

Recording files available
Session 17
Diurnal Cycle, Radiative Feedback, Clouds, and Organized Moist Convection
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: Gretchen L. Mullendore, University of North Dakota; Mingyue Tang
8:45 AM
17.2
Decomposing Forcing Mechanisms and Impacts of Simulated Diurnal Pulses
Jeremiah Otero Piersante, Univ. at Albany, SUNY, Albany, NY; and K. L. Corbosiero and R. G. Fovell

9:00 AM
17.3
Global Characteristics of On-the-Clock and Off-the-Clock Tropical Cyclone Diurnal Pulses
Kristen L. Corbosiero, Univ. at Albany, SUNY, Albany, NY; and X. Zhang, S. D. Ditchek, and W. XU

9:15 AM
17.4
9:30 AM
17.5A
Diurnal and Seasonal Evolution of the Urban Boundary Layer in Augusta, Georgia
Joseph Edward Wermter, Savannah River National Laboratory, Aiken, SC; and J. M. Shepherd and M. Appelbaum

9:45 AM
17.6
Land Breeze Characteristics Off the West Coast of Sumatra
Ryan North, Texas A&M Univ., College Station, TX; and C. J. Schumacher, C. C. Epifanio, H. Bai, G. Deranadyan, and A. W. Putra

10:00 AM-10:45 AM: Friday, 21 July 2023


AM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

10:45 AM-12:00 PM: Friday, 21 July 2023

Recording files available
Session 18
Mesoscale Boundary-Layer Circulations
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
Cochairs: James H. Ruppert Jr., Pennsylvania State University; ZiJian Chen
10:45 AM
18.1
Observations of Boundary-Layer Convergence Lines and Associated Updrafts in the US Southern Great Plains
Shanhe Liu, McGill Univ., Montreal, QC, Canada; and D. J. Kirshbaum and K. D. Sindhu

11:00 AM
18.2
Variability of Successive Cold Pools in BACS-I
Christine Neumaier, Colorado State Univ., Fort Collins, CO; and L. D. Grant, S. C. van den Heever, B. D. Ascher, J. A. Escobedo, N. M. Falk, S. W. Freeman, G. Leung, A. Mazurek, D. S. Veloso-Aguila, P. J. DeMott, S. M. Kreidenweis, R. J. Perkins, and E. A. Stone

11:15 AM
18.3
Variability Within and Among Midlatitude Cold Pools
Leah D. Grant, Colorado State Univ., FORT COLLINS, CO; and B. Kirsch, N. M. Falk, J. Bukowski, C. Neumaier, F. Ament, S. C. van den Heever, B. D. Ascher, J. A. Escobedo, S. W. Freeman, G. Leung, A. Mazurek, D. S. Veloso-Aguila, P. J. DeMott, S. M. Kreidenweis, R. J. Perkins, and E. A. Stone

11:30 AM
18.4
What Causes Haboobs to Propagate Faster or Slower?
Nicholas Michael Falk, Colorado State Univ., Fort Collins, CO; and L. D. Grant and S. C. van den Heever

11:45 AM
18.5
The Relevance of Mean-State Critical Levels for the Intensification of Downslope Winds
Gert-Jan Duine, Univ. of California, Santa Barbara, Santa Barbara, CA; and L. M. Carvalho, W. O. J. Brown, C. B. Clements, S. F. J. De Wekker, D. Emmitt, H. Fernando, C. Jones, S. Oncley, Z. Wang, and L. D. White

12:00 PM-1:30 PM: Friday, 21 July 2023


Lunch Break
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

1:30 PM-2:45 PM: Friday, 21 July 2023

Recording files available
Session 19
Tropical and Extratropical Cyclones
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: Falko Judt, NCAR
1:30 PM
19.1
Asymmetric Tropical Cyclone Structures and Processes in Reanalyses and Climate Models
Jacob Carstens, The Pennsylvania State Univ., Univ. Park, PA; and C. M. Zarzycki and A. C. Didlake Jr.

1:45 PM
Break / Discussion

2:00 PM
19.3
Differences in Tropical Cyclone Tornado Activities and Key Tornadic Environments between China and the U.S
Jingyi Wen, Beijing, Beijing, 11, China; Department of Atmospheric and Oceanic Sciences, School of Physics, Peking Univ., Beijing, Beijing, China; and Z. Meng

2:15 PM
19.4
Manifestation of Elevated Convection in Wintertime Extratropical Cyclones During IMPACTS
Kaylee Heimes Lundstrom, Univ. of Illinois at Urbana-Champaign, Champaign, IL

2:30 PM
19.5
Preconditioning and Intensification of Upstream Extratropical Cyclones through Surface Fluxes
Reuben Demirdjian, NRL, Monterey, CA; and J. D. Doyle, C. A. Reynolds, and P. M. Finocchio

2:45 PM-3:30 PM: Friday, 21 July 2023


PM Coffee Break
Location: Grand Terrace (Monona Terrace)
Hosts: (Joint between the Events; the 20th Conference on Mesoscale Processes; the 28th Conference on Numerical Weather Prediction; and the 32nd Conference on Weather Analysis and Forecasting )

3:30 PM-5:00 PM: Friday, 21 July 2023

Recording files available
Session 20
Impacts of Inhomogeneous Underlying Surfaces on Convection Initiation and Organization II
Location: Madison Ballroom CD (Monona Terrace)
Host: 20th Conference on Mesoscale Processes
CoChair: Zhiyong Meng
3:30 PM
20.1
Some Clouds Just Really like Mountain Climbing: Relationships between LES-Modeled Deep Convection Initiation Events and Orographic Circulations.
James N. Marquis, PNNL, Richland, WA; and A. Varble, PhD, Z. Feng, W. I. Gustafson Jr., PhD, and E. Jo

3:45 PM
20.2
Synoptic Impacts on the Occurrence of Mesoscale Boundaries and Their Associated Convection Over an Area of Sharp Vegetation Contrast
Yipeng Huang, Xiamen Meteorological Bureau, Xiamen, Fujian, China; and Z. Meng and M. ZHANG, PhD

4:00 PM
20.3
Effects of Land-Surface Heterogeneity on Sea-Breeze Convection
Benjamin David Ascher, Colorado State Univ., Fort Collins, CO; and C. Davis, S. M. Saleeby, and S. C. Van Den Heever

4:15 PM
20.4
Convection Initiation Associated with a Boundary Layer Convergence Line over a Real-world Sharp Vegetation-Contrast Area
Hongjun Liu, Department of Atmospheric and Oceanic Sciences, School of Physics, Peking Univ., Beijing, China

4:30 PM
20.5
Environmental Characteristics of Coastal Convection in the Houston Region
Katherine McKeown, The Pennsylvania State Univ., University Park, PA; and K. Lombardo and M. Kumjian

4:45 PM
20.6
Diurnal Cycle and Dipolar Pattern of Precipitation over Borneo during the MJO
Shuguang Wang, Nanjing Univ., Nanjing, China; and Y. Zhou and J. Fang