32nd Conference on Weather Analysis and Forecasting

Program Chairs: Matthew R. Beitscher, MS , NOAA/NWS/NCEP/Aviation Weather Center ; Alicia M. Bentley , NOAA NWS NCEP EMC ; Stephanie J. Avey

- Indicates paper has been withdrawn from meeting
- Indicates paper is an Award Winner

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
Meso to Subseasonal Scale Meteorological Phenomena I
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Daniel James Lloveras; Thomas Galarneau
8:30 AM
1.1
Forecasting the Forecast Skill: GEFSv12 High- and Low-Skill Day-10 Tornado Forecasts
Victor A. Gensini, PhD, CCM, Northern Illinois Univ., DeKalb, IL

9:00 AM
1.3
Rapid-Scan, Mobile Radar Observations of Tornadogenesis: Warning and Forecasting Implications
Jana B. Houser, PhD, The Ohio State Univ., Columbus, OH; The Ohio State Univ., Columbus, OH; and H. B. Bluestein, Z. B. Wienhoff, K. Thiem, and J. C. Snyder

9:15 AM
1.4
An Environment and Regime Based Approach to Large Hail Predictors
John T. Allen, Central Michigan Univ., MOUNT PLEASANT, MI; and C. J. Nixon, M. Kumjian, and M. Taszarek

9:30 AM
1.5
27-Year Climatology of Severe Wind-Producing Mesoscale Convective Systems in the United States
Andrew Wade, Cooperative Institute for Severe and High-Impact Weather Research and Operations, Univ. of Oklahoma, Norman, OK; and B. J. Squitieri and I. L. Jirak
Manuscript (1.3 MB)

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
Meso to Subseasonal Scale Meteorological Phenomena II
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Victor A. Gensini, PhD, CCM, CIMMS; Alexandra Anderson-Frey
11:15 AM
2.1
Climatology and Typologies of Mesoscale Windstorms Associated with High-Intensity Pressure Fall Phenomena
Anton Seimon, Bard College, Annandale-on-Hudson, NY; and J. H. Ruppert Jr. and L. F. Bosart

11:30 AM
2.2
An Investigation of Easterly Wind Lake-Effect and Lake-Enhanced Precipitation Events over the Western Lake Superior Region
Nicholas D. Metz, Hobart & William Smith Colleges, Geneva, NY; and J. D. Sandstrom, J. M. Cordeira, and E. G. Hoffman

12:15 PM
2.5
Analysis of Amplified Northern Hemisphere Persistent Flow Regimes
Tyler C. Leicht, Univ. at Albany, Albany, NY

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
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
Session 4
Forecasting Tools and Techniques Across Weather Scales: Precipitation and Flooding
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Nicholas D. Metz; Jonathan J. Rutz, NWS
4:15 PM
4.1
Evaluation of Freezing Rain Local Storm Reports as a Verification Source
Adam David Werkema, Cooperative Institue for Severe and High-Impact Weather Research and Operations (CIWRO) at NOAA/OAR/NSSL, Norman, OK; and H. D. Reeves and D. D. Tripp

4:30 PM
4.2
Utilizing Climatologies to Aid in the Issuance of the Weather Prediction Center's Excessive Rainfall Outlook
Erica Bower, NOAA/NWS/WPC, College Park, MD; and J. A. Nelson Jr., M. Klein, M. Chenard, and M. J. Erickson

4:45 PM
4.3
Comparison of Hybrid 4DEnVar and 3DEnVar for the Prediction of Atmospheric Rivers
Minghua Zheng, Scripps Institution of Oceanography, Univ. of California, San Diego, La Jolla, CA; and B. Cornuelle, A. C. Subramanian, L. Delle Monache, and M. M. Ralph

5:00 PM
4.4
Ensemble Selection Strategies to Improve Precipitation Forecasts
Meng-Tze Lee, McGill Univ., Montreal, QC, Canada; and M. K. Yau, D. Jacques, F. Fabry, and I. zawadzki

5:15 PM
4.5
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
Forecasting Tools and Techniques across Weather Scales: Probabilities and Bias
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Stephanie J. Avey; Daniel James Lloveras
8:30 AM
5.1
Forecast Products Based on the 200-Member West-WRF Ensemble: A CW3E and NWS Western Region Collaborative Effort
Jonathan J. Rutz, Center for Western Weather and Water Extremes, Scripps Institute of Oceanography, Univ. of California San Diego, La Jolla, CA; and B. Kawzenuk, L. Delle Monache, D. F. Steinhoff, M. Simpson, J. F. Kalansky, M. E. Jeglum, and J. Suk

Handout (12.6 MB)

8:45 AM
5.2
Dynamic Ensemble-Based Scenarios for IDSS (DESI): A New Decision Support Tool for Fast and Meaningful Interrogation of Ensemble-Based Numerical Weather Data
Travis Wilson, GSL, Boulder, CO; and J. Q. Stewart, D. D. Nietfeld, R. Howlett, C. Kahler, J. T. Radford, K. J. Harnos, K. Anderson, and C. Vaughn

9:00 AM
5.3
An Introduction to the "Ken's 10" NWS Initiative: Probabilistic Impact-based Decision Support Services
Kathryn K. Gilbert, NWS, College Park, MD; and R. Bandy, G. Cooper, PhD, S. B. Smith, J. S. Waldstreicher, A. Boxell, A. Foster, J. J. Brost, J. Fox, M. E. Jeglum, J. S. Lee, D. E. Levin, G. Mann, M. J. Moreland, S. Perfater, K. Scharfenberg, B. Smith, D. C. Strom, and D. R. Vallee

9:15 AM
5.4
Assessing Training and Competency Requirements in the Probabilistic Forecasting Era
Kevin Scharfenberg, NWS, Boulder, CO; and B. Smith, J. K. Jordan, B. Motta, B. Rozumalski, and A. Boxell

9:30 AM
5.5
The Use of METplus to Inform Forecasters of Model Biases and Forecast Consistencies for Phenomena at Different Scales
Tara L. Jensen, National Center for Atmospheric Research and Developmental Testbed Center, Boulder, CO; and T. J. Hertneky, M. R. Green, M. J. Erickson, B. Veenhuis, J. Opatz, J. Hicks, and C. P. Kalb

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
Forecasting Tools and Techniques Across Weather Scales: Severe/Fire
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Stephanie J. Avey; Jack Lind, CIRA/AWC
11:15 AM
6.1
Elevated Convection: Radar Signatures and Observations Associated with Gravity Wave-Breaking Damaging Winds
Brett Borchardt, NOAA/NWS, Romeoville, IL; and K. Sherburn and R. S. Schumacher

11:30 AM
6.2
Extension of WoFs-Smoke to Ingest GOES-R Fire Radiative Power Retrievals
Thomas A. Jones, Cooperative Institute for Severe and High Impact Weather Research and Operations, Norman, OK; and R. Ahmadov and E. P. James

11:45 AM
6.3
A High-Impact Weather Identification and Visualization Product for the Operational and Client Service Meteorologists in Canada
Quanzhen Geng, Environment and Climate Change Canada, Vancouver, BC, Canada; and R. Mo and D. Brown

12:00 PM
6.4
An Hourly Wildfire Potential Index for Predicting Short-Range Fire Activity Based on Rapidly-Updating Convection-Allowing Model Forecasts
Eric P. James, GSD, Boulder, CO; and R. Ahmadov, J. Romero-Alvarez, G. A. Grell, and I. A. Csiszar

12:15 PM
6.5
Conditional Intensity Estimation of Tornadoes using Environmental Parameters
Israel L. Jirak, SPC, Norman, OK; and J. Vancil, J. Picca, R. S. Schneider, P. T. Marsh, and W. Bunting

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
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
Advances Facilitated By New Observational Platforms and Capabilities
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Chair: Clark Evans, UW-Milwaukee
CoChair: Matthew R. Beitscher, MS, NOAA/NWS/NCEP/Aviation Weather Center
4:15 PM
8.1
MAPNet (Mobile Atmospheric Profiling Network): Updates and Research Applications
Kevin Knupp, Univ. of Alabama in Huntsville, Huntsville, AL; and L. D. Carey, R. A. Wade, P. Pangle, and D. Phillips

4:30 PM
8.2
Optimizing Numerical Weather Prediction Utility of the Maryland Mesonet with Observing System Simulation Experiments
Joshua Eric McCurry, Univ. of Maryland, College Park, Gaithersburg, MD; and J. Poterjoy, M. J. Molina, and A. Ruiz-Barradas

4:45 PM
8.3
Using WSR-88D Observations to Detect Convective Boundary Layer Depth
David J. Stensrud, Pennsylvania State Univ., University Park, PA; and C. L. Comer, B. Stouffer, M. Kumjian, and Y. Zhang, PhD

5:00 PM
8.4
A Targeted Sounding and LiDAR Retrieved Wind Analysis of the 26 February 2023 Norman, OK Tornado
Madeline Diedrichsen, CIWRO, Norman, OK; Univ. of Oklahoma, Norman, OK; and M. C. Coniglio, E. Rasmussen, and S. M. Waugh

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

9:00 AM-9:45 AM: Wednesday, 19 July 2023

Recording files available
Session 9
Other Topics on Weather Analysis and Forecasting: Tropical Cyclones and Hurricanes
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Tomer Burg; Jeffrey D. Duda
9:00 AM
9.3
Quantifying Impacts of Environmental Moisture Spatial Patterns on Tropical Cyclones Via Observational Datasets
Kimberly M. Wood, Mississippi State Univ., Mississippi State, MS; and K. Berislavich, S. E. Zick, K. Addington, and C. J. Matyas

9:15 AM
9.5
Assessing Model Guidance for Hurricane Ian
Logan C. Dawson, EMC, College Park, MD; and A. M. Bentley and G. S. Manikin

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
R2O and R2O2R Activities and Testing (e.g., testbeds)
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Jack Lind, CIRA/AWC; Austin A. Coleman, Texas Tech University
11:15 AM
10.1
An Overview of the 1st Hybrid NOAA Hazardous Weather Testbed Spring Forecasting Experiment in 2023
Adam J. Clark, NSSL, Norman, OK; and I. L. Jirak, T. A. Supinie, J. Vancil, D. E. Jahn, K. H. Knopfmeier, P. Heinselman, P. Skinner, P. C. Burke, K. A. Hoogewind, J. Martin, M. L. Flora, B. C. Matilla, M. Krocak, A. L. Brannan, C. Karstens, E. D. Loken, N. A. Dahl, D. R. Harrison, D. A. Imy, A. Wade, J. Milne, and J. Picca

11:45 AM
10.3
12:00 PM
10.4
Better Utilization of Ensembles in Operations Through Clustering: An R2O Success Story
Brian A. Colle, SUNY, Stony Brook, NY; and J. A. Nelson Jr., A. A. Coleman, W. Lamberson, and T. Wilson

12:15 PM
10.5
Updates and Additions to the Prototype NWS Winter Storm Severity Index (WSSI) Travel
Dana Tobin, CU/CIRES and NOAA/NWS/WPC, College Park, MD; and J. Kastman and J. A. Nelson Jr.

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
Forecasting of Extreme Precipitation Events: Atmospheric Rivers
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Joe Koval, Advanced Data Assimilation and Predictability Techniques Research Group; Jason M. Cordeira
2:00 PM
11.1
Atmospheric River Reconnaissance in Water Year 2023 – A Research and Operations Partnership
Anna M. Wilson, SIO, Durham, NC; and M. M. Ralph, V. S. Tallapragada, C. Davis, L. Delle Monache, J. D. Doyle, F. Pappenberger, C. A. Reynolds, A. C. Subramanian, D. Lavers, L. Centurioni, J. S. Haase, B. Cao, J. M. Cordeira, B. Kawzenuk, E. Knappe, A. Lundry, A. C. Michaelis, R. Rickert, S. C. Roj, J. J. Rutz, R. D. Torn, X. Wu, and M. Zheng

2:15 PM
11.2
Near-Real-Time Data Impact Studies for Extreme Precipitation Events during Atmospheric River Reconnaissance Program using NCEP Operational Global Forecast System
Vijay S. Tallapragada, NOAA/NWS/Environmental Modeling Center, College Park, MD; and X. Wu and M. M. Ralph

2:30 PM
11.3
2:45 PM
11.4
Evaluation of Weather Forecast Errors during Major Atmospheric River Sequences Impacting California during Winter 2022-2023
Rachel R. Weihs, Center for Western Weather and Water Extremes, Scripps Institution of Oceanography, Univ. of California San Diego, San Diego, CA; and S. C. Roj, L. DeHaan, N. R. Mascioli, D. Reynolds, J. M. Cordeira, C. Grudzien, D. F. Steinhoff, L. Delle Monache, and M. M. Ralph

3:00 PM
11.5
3:15 PM
11.6
An Overview of a Heavy Precipitation Event over California in October 2021: Roles of an Extreme Atmospheric River and Explosive Extratropical Cyclone
Clinton Alden, Univ. of California San Diego, Center for Western Weather and Water Extremes, La Jolla, CA; and M. Zheng, M. M. Ralph, Z. Zhang, and L. Delle Monache

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
Forecasting of Extreme Precipitation Events II
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Nicholas D. Metz; Anna M. Wilson
4:15 PM
12.1
The NOAA Precipitation Prediction Grand Challenge: Advancing Predictions of Extreme Rainfall
David R. Novak, NWS/Weather Prediction Center, College Park, MD

4:30 PM
12.2
Characterizing Warm-Season Extreme Precipitation in the HREF Means
Diana Rose Stovern, ESRL, Boulder, CO; and J. L. Bytheway, K. M. Mahoney, B. J. Moore, S. M. Trojniak, J. Correia Jr., and M. R. Abel

4:45 PM
12.3
Characterizing Extreme Precipitation in HREF Individual Ensemble Members
Janice L. Bytheway, CIRES, Boulder, CO; and D. R. Stovern, K. M. Mahoney, J. Correia Jr., S. M. Trojniak, B. J. Moore, and M. R. Abel

5:00 PM
12.4
Evaluation of Model Guidance for Two High-Impact Flooding Events in July 2022
Marcel G. Caron, SAIC, College Park, MD; and L. C. Dawson and G. Manikin

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
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
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
Session 15
Forecasting High-Impact Weather with Artificial Intelligence: Applications for Severe Weather
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Aaron J. Hill, Colorado State University; Eric P. James
2:00 PM
15.1
Building Real-Time Machine Learning Forecast and Visualization Systems
David John Gagne II, Ph.D., NCAR, Boulder, CO; and C. Becker, G. Gantos, R. A. Sobash, D. A. Ahijevych, N. A. Snook, R. Chase, L. K. Spychalla, M. Shotande, A. McGovern, C. D. Wirz, C. K. Potvin, and M. G. Cains

2:15 PM
15.2
Applying Dense and Convolutional Neural Networks to the HRRR and RRFS to Generate Reliable, Skillful 1-48 Hour Predictions of Severe Weather Reports, Warnings, and Lightning
Ryan A. Sobash, NCAR, Boulder, CO; and D. A. Ahijevych, Y. Sha, C. S. Schwartz, D. J. Gagne II, Ph.D., D. Dowell, C. R. Alexander, and S. Benjamin

2:30 PM
15.3
Producing Machine Learning-Based Severe Weather Guidance at Watch-to-Warning Lead Times
Sam Varga, Univ. of Oklahoma, Norman, OK; Cooperative Institute for Severe and High-Impact Weather Research and Operations, Univ. of Oklahoma, Norman, OK; NSSL, Norman, OK; and M. L. Flora and C. K. Potvin

2:45 PM
15.4
Evaluation of the Warn-on-Forecast Machine Learning System in the 2022 Hazardous Weather Testbed Spring Forecasting Experiment
Montgomery L. Flora, CIWRO; NSSL, Norman, OK; and C. K. Potvin, P. S. Skinner, A. McGovern, B. T. Gallo, K. A. Wilson, and A. J. Clark

3:00 PM
15.5
3:15 PM
15.6
Making Sense of Random Forest-Based Severe Weather Forecasts Using Tree Interpreter
Alexandra Mazurek, Colorado State Univ., Fort Collins, CO; and A. J. Hill and R. S. Schumacher

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
Forecasting High-Impact Weather with Artificial Intelligence: Applications for Precipitation and Global Weather
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Clark Evans, UW-Milwaukee; Kathryn Newman, NCAR
4:15 PM
16.1
How Far into the Medium Range Can Probabilistic Excessive Rainfall Forecasts be Extended?
Russ S. Schumacher, Colorado State Univ., Fort Collins, CO; and A. J. Hill and M. Klein

4:30 PM
16.2
How Long of an Observational Record Is Needed for Skillful ML-Based Forecasts of Excessive Rainfall?
Aaron J. Hill, Colorado State Univ., Fort Collins, CO; and R. S. Schumacher

4:45 PM
16.3
5:00 PM
16.4
Development of a Convolutional Neural Network to Predict Wintertime Orographic Precipitation Gradients of the Western US
Savanna Wolvin, Univ. of Utah, Salt Lake City, UT; and C. Strong, S. Brewer, J. Steenburgh, and S. Rupper

5:15 PM
16.5
Impacts of Machine Learning for Targeted Observation Thinning in Satellite Data Assimilation
Kirana Olympia Bergstrom, CIRES, Boulder, CO; CIRES, Boulder, CO; and C. E. Kumler, I. Jankov, and J. Q. Stewart

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
Other Topics on Weather Analysis and Forecasting
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Tomer Burg; Stephanie J. Avey
8:30 AM
17.1
Forecast Verification at The Weather Company/IBM
Joseph P. Koval, IBM/Weather Company, Atlanta, GA; and L. C. Gaudet, J. K. Williams, P. P. Neilley, and T. Hamill

8:45 AM
17.2
Extreme GFS Temperature Forecasts During the Summer of 2022
Geoffrey Manikin, NOAA/NWS/NCEP/EMC, College Park, MD; and A. M. Bentley and S. R. Shields

9:00 AM
17.3
9:30 AM
17.5
Continual Optimization and Refactoring of GSI for Rapid Refresh Forecast System (RRFS): Current Status and Prospect from the EMC Perspective
Ting lei, Lynker, Leesburg, VA; NOAA/NWS/NCEP/EMC, college park, MD; and S. Liu, E. Rogers, X. Zhang, M. Rancic, M. Pondeca, M. E. Pyle, J. R. Carley, and D. T. Kleist
Manuscript (700.2 kB)

9:45 AM
17.6
A Damaging-Wind Based MCS Classification System and Formal Definition of a Derecho
Brian J. Squitieri, SPC, Norman, OK; and A. Wade and I. L. Jirak

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
Other Topics on Weather Analysis and Forecasting: Weather Around the World
Location: Madison Ballroom A (Monona Terrace)
Host: 32nd Conference on Weather Analysis and Forecasting
Cochairs: Jeffrey D. Duda; Matthew R. Beitscher, MS, NOAA/NWS/NCEP/Aviation Weather Center
10:45 AM
18.1
Investigating Hail Melt Using ­­­Airbourne Observations and Concurrent Surface Observations of Hail
Hannah Vagasky, Atmospheric and Environmental Research, Inc., Lexington, MA; and R. D. Adams-Selin

11:15 AM
18.3
11:45 AM
18.5
Development of a Very Short-Range Forecast of Precipitation System in Vietnam
Kazuo Saito, Meteorological Research Institute, Tsukuba, Ibaraki, Japan; Atmosphere and Ocean Research Institute, Univ. of Tokyo, kashiwa, Chiba, Japan; Japan Meteorological Business Support Center, Chiyoda-ku, Tokyo, Japan; and K. H. Mai and T. D. Du

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 )

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 )