27th Conference on Severe Local Storms

Program Chairs: Karen Kosiba , Center for Severe Weather Research ; Curtis R. Alexander , NOAA/ESRL/Global Systems Division and CIRES/Univ. of Colorado
Reviewer: Daniel J. Miller , NOAA/NWS Weather Forecast Office

- Indicates paper has been withdrawn from meeting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

Sunday, 2 November 2014

5:00 PM-7:00 PM: Sunday, 2 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

Monday, 3 November 2014

7:30 AM-5:45 PM: Monday, 3 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

8:30 AM-8:45 AM: Monday, 3 November 2014

Recording files available
Opening Remarks
Location: Madison Ballroom (Madison Concourse Hotel)
Cochairs: Curtis R. Alexander, NOAA/ESRL/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research

8:45 AM-10:00 AM: Monday, 3 November 2014

Recording files available
Session 1
Towards a Weather Ready Nation
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado

10:00 AM-10:30 AM: Monday, 3 November 2014


Coffee Break
Location: Wisconsin Ballroom (Madison Concourse Hotel)

10:30 AM-12:00 PM: Monday, 3 November 2014

Recording files available
Session 2
Real-Time Severe Weather Forecasts
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Dustan M. Wheatley, CIMMS/Univ. of Oklahoma, NOAA/NSSL
  10:30 AM
2.1
High-Resolution Rapid Refresh: The Operational Implementation and Ongoing Research
Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado, Boulder, CO; and D. C. Dowell, S. S. Weygandt, S. Benjamin, T. G. Smirnova, M. Hu, E. P. James, J. B. Olson, J. S. Kenyon, and J. M. Brown
  10:45 AM
2.2
Convective Scale Forecast for Day Two from the High-Resolution Rapid Refresh
Eric P. James, CIRES/Univ. of Colorado and NOAA/ESRL/GSD, Boulder, CO; and C. Alexander and S. Benjamin
  11:00 AM
2.3
Performance of the New NCEP/EMC High-Resolution Window and NAM CONUS Nest Models for Operational Severe Weather Forecasting Applications at the Storm Prediction Center
Steven J. Weiss, NOAA/NWS/NCEP/SPC, Norman, OK; and I. L. Jirak, A. R. Dean, C. J. Melick, P. Marsh, M. Pyle, B. S. Ferrier, E. Aligo, E. Rogers, J. Carley, and G. DiMego
  11:15 AM
2.4
The Real-time National Severe Storms Laboratory 4-km WRF Model Ensemble
Adam Clark, CIMMS/Univ. of Oklahoma, Norman, OK; and J. S. Kain, S. R. Dembek, K. H. Knopfmeier, I. L. Jirak, S. J. Weiss, M. Xue, F. Kong, M. C. Coniglio, A. R. Dean, C. J. Melick, J. Correia Jr., and P. T. Marsh
  11:45 AM
2.6
Deriving Hourly Severe Weather Probabilities from Convection Allowing Ensembles
James Correia Jr., NOAA/NWS/SPC, Norman, OK; and I. L. Jirak, M. C. Coniglio, C. D. Karstens, P. Marsh, and D. A. Imy

12:00 PM-1:30 PM: Monday, 3 November 2014

Recording files available
Monday Lunch: UW-Madison SSEC/CIMSS-Sponsored Box Lunch
Location: Madison Ballroom (Madison Concourse Hotel)
Cochairs: Wayne F. Feltz, University of Wisconsin - Madison; Christopher S. Velden, CIMSS/Univ. of Wisconsin

http://info.wisc.edu/campus-tours/ http://www.ssec.wisc.edu/overview/visitor.html
  12:00 PM
Introductory Remarks
  12:15 PM
Blogging at CIMSS: Short Compelling Stories using Satellite Observations. Scott Lindstrom and Scott Bachmeier (UW-CIMSS)
  12:30 PM
Supporting Unmanned Global Hawk Science Missions into Hurricanes with Tailored Satellite Products. Sarah Griffin and Christopher Velden (UW-CIMSS), Ed Zipser, Dan Cecil and Scott Braun (NASA)
  12:45 PM
Flood Spatiotemporal Decision-Making: Heavy Rainfall System Modes and the Impacts on Community Response Actions. Shane Hubbard (UW-CIMSS)
  1:00 PM
Exploiting Satellite Data for Increasing the Lead-time of Severe Weather Warnings. Mike Pavolonis (NOAA/NESDIS), John Cintineo and Justin Sieglaff (UW-CIMSS), Dan Lindsey (NOAA/NESDIS)

1:30 PM-3:00 PM: Monday, 3 November 2014

Recording files available
Session 3A
Use of Satellites in Understanding and Predicting Severe Weather
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Wayne Feltz, Univ. of Wisconsin
  1:30 PM
3A.1
The GOES-R Geostationary Lightning Mapper (GLM) and the Global Observing System of Systems for Total Lightning
Steven J. Goodman, NOAA/NESDIS/GOES-R Program Office, Greenbelt, MD; and R. J. Blakeslee, W. J. Koshak, D. Buechler, L. Carey, T. Chronis, D. Mach, M. Bateman, H. Peterson, E. W. McCaul Jr., G. T. Stano, P. M. Bitzer, S. D. Rudlosky, and K. Cummins
  1:45 PM
3A.2
Results from the GOES-R Proving Ground Portion of the 2014 HWT Spring Experiment
William Line, CIMMS/Univ. of Oklahoma and NOAA/NWS/SPC, Norman, OK
  2:00 PM
3A.3
Advanced infrared sounder cloud detection and cloud-clearing and its impact on radiance assimilation in NWP
Pei Wang, CIMSS/Univ. of Wisconsin, Madison, WI; and J. Li, J. Li, T. J. Schmit, and Z. Li
  2:15 PM
3A.4
  2:30 PM
3A.5
NOAA/CIMSS Prob Severe Model: Integrating Remotely Sensed Observations of Deep Convection
Justin Sieglaff, CIMSS/Univ. of Wisconsin, Madison, WI; and M. J. Pavolonis, J. L. Cintineo, D. T. Lindsey, and E. Loken
  2:45 PM
3A.6
Using GOES-R Demonstration Products to Bridge the Gap Between Severe Weather Watches and Warnings for the 20 May 2013 Moore, OK Tornado Outbreak
Chad M. Gravelle, NWS Operations Proving Ground/CIMSS, Kansas City, MO; and R. A. Petersen, J. Mecikalski, W. Line, J. Sieglaff, and G. T. Stano
Recording files available
Session 3B
Modeling of Storm and Tornado Dynamics Part 1
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Daniel T. Dawson II, CAPS/Univ. of Oklahoma
  1:30 PM
3B.1
  1:45 PM
3B.2
  2:00 PM
3B.3
Genesis and maintenance of a long-track EF5 tornado embedded within a simulated supercell
Leigh Orf, Central Michigan University, Mount Pleasant, MI; and R. B. Wilhelmson, L. J. Wicker, B. D. Lee, and C. A. Finley
  2:15 PM
3B.4A
What makes the sickle hodograph special?
Casey Webster, Pennsylvania State University, University Park, PA; and P. Markowski and Y. Richardson

3:00 PM-4:30 PM: Monday, 3 November 2014


Poster Session 1
Data Assimilation and Numerical Weather Prediction for Understanding and Predicting Severe Convection and Tornadoes Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
1
Assimilation of convective initiation information derived from GOES satellite data into the Rapid Refresh and High-Resolution Rapid Refresh forecast systems
Tracy Lorraine Smith, NOAA/Earth System Research Laboratory/Global Systems Division and CIRA, Boulder, CO; and S. S. Weygandt, C. Alexander, M. Hu, H. Lin, and J. Mecikalski

Handout (4.3 MB)

 
2
Sensitivity of bow-echo forecasts to ensemble and model configuration
John Lawson, Iowa State University, Ames, IA; and W. A. Gallus, Jr.

 
6
Verifying low-level and midlevel rotation in convection-permitting ensemble forecasts
Logan C. Dawson, Purdue University, West Lafayette, IN; and R. J. Trapp and G. Romine

 
7A
Assimilation of satellite and radar observations during a convection-resolving Observing System Simulation Experiment
Rebecca M. Cintineo, CIMSS/Univ. of Wisconsin, Madison, WI; and J. A. Otkin, T. A. Jones, S. Koch, L. J. Wicker, and D. J. Stensrud


Poster Session 2
Modeling of Storm and Tornado Dynamics Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
9
 
10
Simulating a convective event with "tornado-preventing" walls
Brice E. Coffer, North Carolina State University, Raleigh, NC

Handout (5.8 MB)

 
12
Does wind shear cause hydrometeor size sorting?
Daniel T. Dawson II, CAPS/Univ. of Oklahoma, Norman, OK; and E. R. Mansell and M. R. Kumjian

 
13
 
14
Idealized Numerical Experiments on Tornadogenesis in Horizontally Heterogeneous Environments
Tetsuya Kawano, Kyushu University, Fukuoka, Japan; and T. Honda

 
15
Tornadogenesis and Tornadogenesis Failure in Simulated Supercells
Jason Naylor, Purdue University, West Lafayette, IN; and M. S. Gilmore
Manuscript (1.6 MB)

 
18
On the Mechanisms of Rain Formation in a Simulation of an Idealized Supercell
Matthew R. Kumjian, Pennsylvania State University, University Park, PA; and Z. J. Lebo and H. Morrison

 
20
The impact of hodograph shape on hail production in simulated supercell storms
Eli J. Dennis, Pennsylvania State University, University Park, PA; and M. R. Kumjian
Manuscript (5.6 MB)


Poster Session 3
Use and Validation of Real-Time Severe Weather Forecasts Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
21
Environmental parameters associated with tornado warned and missed tornado events at WFO Peachtree City
Alexander R. Gibbs, NOAA/NWS Forecast Office, Peachtree City, GA; and S. E. Nelson and S. A. Listemaa

 
22
Findings from the 2014 Hazardous Weather Testbed Probabilistic Hazard Information Experiment
Christopher D. Karstens, CIMMS/Univ. of Oklahoma, Norman, OK; and G. J. Stumpf, D. M. Kingfield, C. Ling, L. Hua, T. M. Smith, J. Correia Jr., K. M. Calhoun, K. L. Ortega, C. J. Melick, and L. P. Rothfusz

Handout (3.0 MB)

 
24
Tornadic Events During UNSTABLE: Use of Supplemental Soundings
Robyn Dyck, EC, Winnipeg, MB, Canada; and J. Hanesiak, N. Taylor, and D. Sills
Manuscript (1.5 MB)

Handout (938.4 kB)

 
25
The influence of weather on Twitter discourse of #ClimateChange and #GlobalWarming
Kyle S. Griffin, University of Wisconsin, Madison, WI; and S. K. Yeo, Z. Handlos, A. Karambelas, L. Y. F. Su, J. Doolen, and D. Brossard

 
26
Analysis of Convective Clouds viewed from GOES During DC3
Andrew Heidinger, NOAA, Madison, WI; and S. Wanzong and A. Walther

 
28
Using 2011–2014 SSEO verification metrics to assess uncertainty in severe weather forecasts
Pamela Eck, Hobart and William Smith Colleges, Geneva, NY; and J. Correia Jr.

 
30
 
31
 
33
Nowcasting with the Local Analysis and Prediction System (LAPS)
Hongli Jiang, NOAA/Earth Systems Research Laboratory/Global Systems Division, Boulder, CO; and Y. Xie, S. Albers, and Z. Toth

 
35
Application of Optical Flow Techniques to Rainfall Nowcasting
Wang-Chun Woo, Hong Kong Observatory, Hong Kong, Hong Kong; and W. K. Wong

Handout (8.5 MB)

 
36
An Evaluation of the Potential Impact of SAILS on the Warning Decision Making of the 31 May 2013 El Reno, OK Storm
Michael A. Magsig, NOAA/NWS/Warning Decision Training Branch, Norman, OK; and M. D. Austin
Manuscript (5.4 MB)

 
38
Probabilistic Tornado Warning Plumes
Mark J. Mitchell, NOAA/NWS, Pleasant Hill, MO
Manuscript (322.3 kB)

Handout (1.1 MB)

 
39
Solar radiation error research of sounding temperature sensor
Wei Dai Sr., Nanjing University of Information Science and Technology, nanjing, China

 
40
The Multiple-Radar/Multiple-Sensor Severe Weather Products Best Practices Experiment in the HWT
Gregory J. Stumpf, CIMMS/Univ. of Oklahoma/NOAA/NWS Meteorological Development Laboratory, Norman, OK; and J. G. LaDue, R. A. Prentice, M. Elliott, and D. M. Kingfield

 
41
Comparing the NSSL-WRF Model and Convection-allowing Versions of UKMET's Unified Model during the 2013 and 2014 NOAA/HWT Spring Forecasting Experiments
Adam Clark, CIMMS/Univ. of Oklahoma, Norman, OK; and S. Willington, D. Suri, J. S. Kain, M. C. Coniglio, K. H. Knopfmeier, S. J. Weiss, I. L. Jirak, H. Lean, N. Roberts, M. Weeks, A. R. Dean, C. J. Melick, C. D. Karstens, P. T. Marsh, J. Correia Jr., and S. R. Dembek

 
42
The Use of Convection-Allowing Models to Improve Threat Assessment Associated with Nocturnal Supercells
Philip N. Schumacher, NOAA/NWS, Sioux Falls, SD; and J. M. Boustead

 
43
An Overview of CAPS Storm-Scale Ensemble Forecast for the 2014 NOAA HWT Spring Forecasting Experiment
Fanyou Kong, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue, Y. Jung, K. Thomas, Y. Wang, K. Brewster, F. Shen, A. Clark, M. C. Coniglio, J. Correia Jr., I. L. Jirak, S. J. Weiss, J. S. Kain, and C. J. Melick

Handout (668.8 kB)

 
46
An Overview of the 2014 NOAA Hazardous Weather Testbed Spring Forecasting Experiment
Israel L. Jirak, NOAA/NWS/NCEP/SPC, Norman, OK; and M. C. Coniglio, A. J. Clark, J. Correia Jr., K. H. Knopfmeier, C. J. Melick, S. J. Weiss, J. S. Kain, M. Xue, F. Kong, K. W. Thomas, K. Brewster, Y. Wang, Y. Jung, and S. Willington
Manuscript (1.5 MB)

Handout (1.8 MB)

 
48
Verification of Earth Network's Dangerous Thunderstorm Alerts and NWS Warnings
Rebecca E. DiLuzio, Millersville University, Coopersburg, PA; and T. C. Meyer, K. M. Calhoun, and M. Elliott

4:30 PM-6:00 PM: Monday, 3 November 2014

Recording files available
Session 4A
Climate and Tornadoes
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Paul Markowski, Pennsylvania State University
  4:30 PM
4A.1
Monthly US temperatures and tornado occurrence
Harold E. Brooks, NOAA/NSSL, Norman, OK; and G. W. Carbin and P. Marsh
  4:45 PM
4A.2
The 20 May 2013 Oklahoma tornado outbreak under pseudo-global warming
Robert J. Trapp, Purdue University, West Lafayette, IN; and K. Hoogewind, M. E. Baldwin, and S. Lasher-Trapp

  5:00 PM
4A.3
Central American biomass burning smoke impacts on tornado severity in the US: Mechanism and multiple episode analysis
Pablo E. Saide, University of Iowa, Iowa City, IA; and S. N. Spak, B. Pierce, J. Otkin, T. K. Schaack, A. Heidinger, A. Da Silva, M. Kacenelenbogen, and G. Carmichael

  5:15 PM
4A.4A
Mesoscale Observations: GOES-14 Imager 1-Minute Rapid Scan Data
Timothy J. Schmit, NOAA/NESDIS/Center for Satellite Applications and Research, Madison, WI; and M. M. Gunshor, J. Sieglaff, W. Line, A. S. Bachmeier, S. Lindstrom, D. T. Lindsey, F. Alsheimer, D. B. Radell, R. M. Rabin, C. M. Gravelle, K. Bah, and S. J. Goodman
 
Paper 4A.6 has been moved. New paper number is 3B.4A

Recording files available
Session 4B
Severe Weather Warning Research and Communication
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Kimberly E. Klockow, NOAA/OAR/Office of Weather and Air Quality
  4:30 PM
4B.1
The 2013/2014 Experimental Warning Program at the NOAA Hazardous Weather Testbed
Kristin M. Calhoun, CIMMS/Univ. of Oklahoma/NOAA/NSSL, Norman, OK; and G. S. Garfield, D. M. Kingfield, C. D. Karstens, W. Line, K. L. Ortega, T. M. Smith, and G. J. Stumpf
  4:45 PM
4B.2
The Role of the Human in Issuing Severe Weather Warnings
Joshua M. Boustead, NOAA/NWS, Omaha, NE; and B. E. Mayes
  5:45 PM
4B.6
Tornado Environments, Metrics, and Warnings: Lessons from a Ten-Year Climatology
Alexandra Anderson-Frey, Pennsylvania State Univ., University Park, PA; and Y. P. Richardson, A. R. Dean, R. L. Thompson, and B. T. Smith

6:00 PM-9:00 PM: Monday, 3 November 2014


Book Signing
Location: Wisconsin Ballroom (Madison Concourse Hotel)

The Thinking Person's Guide to Climate Change by Robert Henson

Ice Breaker Reception
Location: Wisconsin Ballroom (Madison Concourse Hotel)

Tuesday, 4 November 2014

7:30 AM-5:45 PM: Tuesday, 4 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

9:00 AM-10:30 AM: Tuesday, 4 November 2014

Recording files available
Session 5
Warn on Forecast
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Therese Ladwig, NOAA/Earth System Research Laboratory/Global Sciences Division and CIRES/Univ. of Colorado
  9:00 AM
5.1
Description of a WRF-based Ensemble Data Assimilation System for Warn-on-Forecast
Kent H. Knopfmeier, CIMMS/Univ. of Oklahoma, NOAA/NSSL, Norman, OK; and D. M. Wheatley, T. A. Jones, and G. J. Creager
  9:15 AM
5.2
Storm-scale data assimilation and ensemble forecasting for Warn-on-Forecast
Dustan M. Wheatley, CIMMS/Univ. of Oklahoma, NOAA/NSSL, Norman, OK; and K. H. Knopfmeier, T. A. Jones, and G. J. Creager
  9:30 AM
5.3
Assimilating radar and satellite data in an operational environment for Warn-on-Forecast
Thomas A. Jones, CIMMS/Univ. of Oklahoma, Norman, OK; and K. H. Knopfmeier, D. M. Wheatley, G. J. Creager, P. Minnis, and R. Palikonda
  9:45 AM
5.4
Impact of a Stochastic Kinetic Energy Backscatter Scheme on Warm-Season Convection-Allowing Ensemble Forecasts
Jeffrey D. Duda, CAPS/Univ. of Oklahoma, Norman, OK; and X. Wang, F. Kong, M. Xue, and J. Berner
  10:00 AM
5.5
Storm-scale Data Assimilation and Ensemble Forecasts of the 27 April 2011 Severe Weather Outbreak in Alabama, Part 1
Nusrat Yussouf, CIMMS/Univ. of Oklahoma, NOAA/NSSL, Norman, OK; and D. C. Dowell, K. H. Knopfmeier, D. M. Wheatley, and L. J. Wicker
  10:15 AM
5.6
Storm-scale Data Assimilation and Ensemble Forecasts of the 27 April 2011 Severe Weather Outbreak in Alabama, Part 2
David C. Dowell, NOAA/Earth Systems Research Laboratory/Global Systems Division, Boulder, CO; and N. Yussouf, K. H. Knopfmeier, D. M. Wheatley, and L. J. Wicker

10:30 AM-11:00 AM: Tuesday, 4 November 2014


Coffee Break
Location: Wisconsin Ballroom (Madison Concourse Hotel)

11:00 AM-12:00 PM: Tuesday, 4 November 2014

Recording files available
Session 6
Numerical Weather Prediction of Severe Storms
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Speakers: Louis J. Wicker, NSSL/NOAA; Morris Weisman, NCAR
Chair: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado
  11:00 AM
6.1

12:00 PM-1:30 PM: Tuesday, 4 November 2014


Lunch Break

1:30 PM-3:00 PM: Tuesday, 4 November 2014

Recording files available
Session 7A
Mesoscale Predictability Experiment (MPEX)
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Robert Trapp, University of Illinois
  1:30 PM
7A.1
  1:45 PM
7A.2
MPEX: Improving forecasts of severe convective storms through targeted observations
Glen Romine, NCAR, Boulder, CO; and M. Weisman, R. Torn, and C. S. Schwartz
  2:15 PM
7A.4
Upscale Feedbacks During the Mesoscale Predictability Experiment
Joseph M. Woznicki, Purdue University, West Lafayette, IN; and R. J. Trapp and M. E. Baldwin
  2:30 PM
7A.5
Overview and preliminary results of mobile upsonde operations during the Mesoscale Predictability Experiment (MPEX)
Michael C. Coniglio, NOAA/NSSL, Norman, OK ; and R. S. Schumacher, R. J. Trapp, D. J. Stensrud, and M. E. Baldwin
  2:45 PM
7A.6
Comparison of Operational Model Analyses with MPEX Dropsondes
Thomas J. Galarneau Jr., NCAR, Boulder, CO; and M. Weisman
Recording files available
Session 7B
Lightning Research
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Matthew R. Kumjian, The Pennsylvania State University
  1:30 PM
7B.1
Lightning Jump Integration into the Severe Weather Warning Process
Elise V. Schultz, University of Alabama, Huntsville, AL; and C. J. Schultz, S. M. Stough, T. Chronis, L. Carey, K. M. Calhoun, K. L. Ortega, B. M. Williams, A. B. Young, and S. J. Goodman
  1:45 PM
7B.2
Can total lightning data help give warning lead time for non-supercell tornadoes?
Edward J. Szoke, CIRA/Colorado State Univ. and NOAA/Global Systems Division, Boulder, CO; and D. Bikos, R. Mazur, R. Cox, D. Barjenbruch, R. Kleyla, and R. Glancy
  2:00 PM
7B.3
Development of a calibrated proxy for thunderstorm occurrence using reanalysis and lightning data
Anja T. Westermayer, European Severe Storms Laboratory, Wessling, Germany; and G. Pistotnik and P. Groenemeijer
  2:15 PM
7B.4
Thunderstorm Electrification and Kinematics As Seen Through Ensemble Lightning Flash Properties
Phillip J. Ware, Texas Tech University, Lubbock, TX; and E. C. Bruning, V. C. Sullivan, D. R. MacGorman, and K. M. Calhoun
  2:45 PM
7B.6

3:00 PM-4:15 PM: Tuesday, 4 November 2014


Poster Session 4
Data Assimilation and Numerical Weather Prediction for Understanding and Predicting Severe Convection and Tornadoes Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
49
OSSE Simulations of Targeted Aircraft Observations in Supercell Thunderstorms
George Limpert, University of Nebraska, Lincoln, NE; and A. Houston

 
50
Using radar reflectivity as a state variable in DART: Is it optimal?
Thomas A. Jones, CIMMS/Univ. of Oklahoma, Norman, OK; and L. J. Wicker

 
53
Convection Initiation within Convection-allowing Numerical Weather Prediction Model Forecasts
David J. Stensrud, Penn State University, University Park, PA


Poster Session 5
Modeling of Storm and Tornado Dynamics Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
55
Simulated Effects of an Isolated Supercell on the Evolution of a Nearby Squall Line
Jacey Wipf, South Dakota School of Mines and Technology, Rapid City, SD; and A. J. French
Manuscript (1.1 MB)

 
56
Localized vorticity enhancement through superhelical coherent structure in the Goshen tornadic supercell
Marcus L. Büker, Western Illinois University, Macomb, IL; and L. Odell, G. J. Tripoli, and S. T. Trevorrow

 
57
Effects of environmental shear and buoyancy on simulated supercell interactions
Nathan Wendt, Urbana, IL; and B. F. Jewett and R. B. Wilhelmson

Handout (2.0 MB)

 
Poster 58 has been moved. New paper number is 8A.2A.

 
59
Synoptic Influence on High Shear, Low CAPE Convective Events
Jessica R. King, North Carolina State University, Raleigh, NC; and M. Parker
Manuscript (1.4 MB)

Handout (1.4 MB)

 
60
The effects of urban environments on the dynamics of a WRF-simulated supercell thunderstorm
Larissa J. Reames, University of Oklahoma, Norman, OK; and D. J. Stensrud and D. Parsons

 
61
 
62
Environmental Factors Affecting Shear Line Tornadogenesis in 30 September 2003 Tyrrhenian Sea Waterspouts
Eric Loken, University of Wisconsin, Madison, WI; and G. J. Tripoli

 
63
Supercell vorticity: structures and vertical communication mechanisms
Luke Odell, University of Wisconsin, Madison, WI; and G. J. Tripoli, M. L. Buker, and S. T. Trevorrow


Poster Session 6
Use and Validation of Real-Time Severe Weather Forecasts Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
64
A Preliminary Investigation into the Practical Predictability of Convection Initiation during the Mesoscale Predictability Experiment (MPEX)
Alexandra M. Keclik, University of Wisconsin, Milwaukee, WI; and B. M. Burlingame, C. Evans, P. J. Roebber, G. Romine, and R. D. Torn

 
65
Using near-storm soundings from the Mesoscale Predictability Experiment to analyze convection permitting model accuracy: 28 May 2013
Christopher A. Kerr, CIMMS/Univ. of Oklahoma, Norman, OK; and D. J. Stensrud and X. Wang

 
66
Hail, Tornadoes and the Climate System: Analyzing the impacts of the El Niño Southern Oscillation on Interannual Variability
John T. Allen, Columbia Univ./International Research Institute for Climate and Society, Palisades, NY; and M. K. Tippett and A. H. Sobel

 
67
Anticipating Societal Impacts of Severe Convective Weather Using SPC Forecast Products
Matthew D. Brothers, Pennsylvania State University, University Park, PA; and P. T. Marsh

 
68
Observed and Predicted Changes in the Frequency of Extreme PWV Events and the Potential Societal Implications
Jacola A. Roman, CIMSS/Univ. of Wisconsin, Madison, WI; and R. Knuteson, S. A. Ackerman, and H. Revercomb

 
69
Examining the Impact of Climate Change upon Severe Convective Storms in the United States through High-Resolution Dynamical Downscaling
Kimberly Hoogewind, Purdue University, West Lafayette, IN; and J. Trapp and M. E. Baldwin

 
70
Probabilistic Modeling of the European Severe Thunderstorm Climate
Georg Pistotnik, European Severe Storms Laboratory, Wessling, Germany; and P. Groenemeijer, T. Kühne, A. T. Westermayer, and H. Rust

Handout (2.3 MB)

 
71
Hail Size Prediction Using Machine Learning Techniques Applied to Storm Scale Ensembles
David John Gagne II, CAPS/Univ. of Oklahoma, Norman, OK; and A. McGovern, J. Brotzge, J. Correia Jr., M. C. Coniglio, and M. Xue

Handout (1.5 MB)

 
72
On the usage of composite parameters in High-Shear, Low-CAPE environments
Keith D. Sherburn, North Carolina State University, Raleigh, NC; and M. D. Parker
Manuscript (9.2 MB)

Handout (9.2 MB)

 
74
Verification of Sounding Parameters from the RAP and the RAP-Based and RUC-Based SFCOA Products
Lauren Michelle Wigley, University of Oklahoma/SPC Career Experience Program, Moore, OK; and R. M. Mosier
Manuscript (829.1 kB)

 
75
Implementation of Tornadic Debris Signature Guidance Using Polarimetric WSR-88D Data
Jeffrey C. Snyder, NOAA/NSSL, Norman, OK; and A. V. Ryzhkov, D. M. Kingfield, S. Degelia, and K. L. Ortega

Handout (6.0 MB)

 
77
Examination of the predictability of the September 2013 northeastern Colorado floods by the HRRR model
Edward J. Szoke, CIRA/Colorado State Univ. and NOAA/Global Systems Division, Boulder, CO; and B. D. Jamison, S. Benjamin, C. R. Alexander, J. M. Brown, E. P. James, and D. T. Lindsey

 
79
The Utility of Vertically Integrated Graupel as a Max Hail Size Predictor
Jennifer M. Laflin, NOAA/NWS, Pleasant Hill, MO; and S. F. Blair
Manuscript (442.7 kB)

 
80
 
81
 
Poster 82 is now paper 8A.2A

 
84
The WRF Lightning Forecast Algorithm: Recent Updates and Extension to Forecasts of CG Lightning
Eugene W. McCaul Jr., USRA, Huntsville, AL ; and T. Chronis, J. L. Case, S. R. Dembek, F. Kong, S. J. Goodman, and S. J. Weiss

Handout (1.3 MB)

 
85
Analysis and Verification of 1300 UTC Storm Prediction Center Convective Outlooks
Geoffrey Marion, University of Illinois, Urbana, Illinois; and J. W. Frame
Manuscript (357.0 kB)

Handout (687.4 kB)

 
86
Evaluation of Severe Weather Outbreak Diagnoses for Multiple Ranking Indices
Chad M. Shafer, Univ. of South Alabama, Mobile, AL; and A. N. Kabeiseman and M. J. Brown

4:15 PM-5:45 PM: Tuesday, 4 November 2014

Recording files available
Session 8A
Data Assimilation for Understanding and Predicting Severe Convection and Tornadoes Part 1
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Glen Romine, NCAR
  4:30 PM
8A.2A
High resolution UM simulations of supercell storms
Kirsty E. Hanley, MetOffice, Reading, United Kingdom; and H. Lean

  4:45 PM
8A.3
  5:00 PM
8A.4
Multi-Scale Data Assimilation of the 13 June 2010 Tornadic Supercell Storm Environment during VORTEX2
Therese E. Thompson, Univ. of Oklahoma, Norman, OK; and G. Romine, L. J. Wicker, and X. Wang
  5:15 PM
8A.5
Investigation of a cell merger accompanying cyclic tornado production
Robin L. Tanamachi, NOAA/NSSL, Norman, OK; and P. L. Heinselman and L. J. Wicker
Recording files available
Session 8B
Convective Initiation
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Jared L. Guyer, NOAA/NWS/NCEP/Storm Prediction Center
  4:15 PM
8B.1
  4:30 PM
8B.2
On the Scale and Magnitude of Precursors to Simulated Isolated Convective Initiation
Luke E. Madaus, University of Washington, Seattle, WA; and G. J. Hakim and C. F. Mass
  5:00 PM
8B.4
  5:30 PM
8B.6
Recent Improvements in Rapid Refresh and High-Resolution Rapid Refresh Forecasts of Severe Convective Storm Initiation
Jaymes S. Kenyon, NOAA/Earth System Research Laboratory, and CIRES/University of Colorado, Boulder, CO; and J. B. Olson, J. Brown, C. R. Alexander, S. Benjamin, D. C. Dowell, M. Hu, E. P. James, T. G. Smirnova, and S. S. Weygandt

7:15 PM-7:45 PM: Tuesday, 4 November 2014

Recording files available
Session
Tribute Session
Location: Madison Ballroom (Madison Concourse Hotel)
Hosts: (Joint between the Events; and the 27th Conference on Severe Local Storms )
  7:15 PM

8:00 PM-10:00 PM: Tuesday, 4 November 2014


Storm Video Night
Location: Madison Ballroom (Madison Concourse Hotel)

Wednesday, 5 November 2014

7:30 AM-5:45 PM: Wednesday, 5 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

9:00 AM-10:30 AM: Wednesday, 5 November 2014

Recording files available
Session 9
Observations of Tornadoes and Supercells Part 1
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Michael M. French, NOAA/NSSL
  9:15 AM
9.2
Dual-Doppler and thermodynamic analysis of a non-tornadic severe storm merger observed on 11 June 2009 during VORTEX2
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman, Y. P. Richardson, P. M. Markowski, J. Marquis, and P. Robinson
  9:45 AM
9.4
Insights into Tornado Structure Afforded by High-frequency Mobile Radar
Christopher C. Weiss, Texas Tech Univ., Lubbock, TX; and T. R. Cermak, R. S. Metzger, A. Reinhart, and P. Skinner
  10:00 AM
9.5
Evolution of angular momentum within observed tornadic mesocyclones
James Marquis, Pennsylvania State University, University Park, PA; and P. Markowski, Y. Richardson, J. Wurman, and K. Kosiba
  10:15 AM
9.6
Exploring Tornado Maintenance with Observations and Idealized Simulations
Yvette P. Richardson, Pennsylvania State University, University Park, PA; and P. M. Markowski, J. N. Marquis, and J. M. Wurman

10:30 AM-11:00 AM: Wednesday, 5 November 2014


Book Signing
Location: Wisconsin Ballroom (Madison Concourse Hotel)

The Thinking Person's Guide to Climate Change by Robert Henson

Coffee Break
Location: Wisconsin Ballroom (Madison Concourse Hotel)

11:00 AM-12:00 PM: Wednesday, 5 November 2014


Session 10
Radar Observations of Severe Storms
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Speakers: Howard Bluestein, Univ. of Oklahoma; Joshua Wurman, Center for Severe Weather Research
Chair: Karen A. Kosiba, Center for Severe Weather Research
  11:00 AM
10.1

12:00 PM-1:30 PM: Wednesday, 5 November 2014


Lunch Break

Student Luncheon
Location: Senate (Madison Concourse Hotel)

1:30 PM-3:00 PM: Wednesday, 5 November 2014

Recording files available
Session 11A
Observations of Tornadoes and Supercells Part 2
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Christopher C. Weiss, Texas Tech Univ.
  1:45 PM
11A.2
  2:15 PM
11A.4
Radar Estimated Winds for the 20 May 2013 Moore, Oklahoma Tornado
Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK; and K. L. Ortega, V. T. Wood, and V. Melnikov
  2:30 PM
11A.5
In Situ and Radar Observations of the Low Reflectivity Ribbon
Casey B. Griffin, Texas Tech University, Lubbock, TX; and C. C. Weiss, A. E. Reinhart, J. C. Snyder, H. B. Bluestein, J. M. Wurman, K. A. Kosiba, and P. Robinson
Recording files available
Session 11B
Analysis, Assimilation, Deterministic and Ensemble Forecasts of Severe Weather
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Corey K. Potvin, CIMMS/NSSL
  2:00 PM
11B.3
Comparison of the Tornadic and Nontornadic Supercells Intercepted by VORTEX2 on 10 June 2010
Alicia Klees, Pennsylvania State University, University Park, PA; and Y. Richardson and P. Markowski
 
11B.4 has been moved. New paper number is 7A

  2:15 PM
11B.4A
An Examination of the 22 May 2014 Duanesburg, New York, Unexpected Tornadic Supercell
Brian Tang, SUNY, Albany, NY; and M. Vaughan, K. L. Corbosiero, R. A. Lazear, and L. F. Bosart

3:00 PM-4:30 PM: Wednesday, 5 November 2014


Poster Session 7
Climatologies of Severe Weather and Their Environments Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
87
The Increasing Efficiency of Tornado Days in the United States
James Elsner, Florida State University, Tallahassee, FL; and T. H. Jagger and S. Elsner

 
88
Reversible CAPE in Tropical Cyclone Tornado Regimes
Roger Edwards, SPC/NWS/NOAA, Norman, OK; and R. L. Thompson
Manuscript (553.7 kB)

 
89
Demonstrating the Utility of Conditional Probabilities of Tornado Damage Rating in the Impact-Based Warning Era
Bryan T. Smith, NOAA/NWS/NCEP/SPC, Norman, OK; and R. L. Thompson, A. R. Dean, P. T. Marsh, R. Wagenmaker, M. Hudson, and J. T. Ferree
Manuscript (2.1 MB)

Handout (1.8 MB)

 
90
Severe Weather Environments in Central Europe as characterized by proximity soundings
Tomas Pucik, European Severe Storms Laboratory, Wessling, Germany; and P. Groenemeijer, D. Ryva, and M. Kolar

 
91
Dynamical Downscaling of Major U.S. Tornado Outbreaks
Kimberly Hoogewind, Purdue University, West Lafayette, IN; and V. A. Gensini

 
93
Climatology of tornadoes accompanied by typhoons
Masahiko Ebara, Kochi University, Kochi, Japan; and K. Sassa

Handout (1020.1 kB)

 
94
Development of a calibrated proxy for thunderstorm occurrence using lightning and reanalysis data
Anja T. Westermayer, European Severe Storms Laboratory, Wessling, Germany; and G. Pistotnik and P. Groenemeijer

 
97
Environments Associated with Slow-Moving Supercells: Tornadic and Nontornadic
Jared W. Leighton, NOAA/NWS, Pleasant Hill, MO; and S. F. Blair and J. M. Boustead

Handout (3.4 MB)


Poster Session 8
Mesoscale Convective Systems and Severe Weather Hazards Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
98
The Production of the Vertical Superposition of the Polar and Subtropical Jets during the May 2010 Nashville Flood
Andrew C. Winters, University of Wisconsin, Madison, WI; and J. E. Martin

 
100
Structures and Environment of Extratropical Cyclones Cause a Tornado Outbreak
Eigo Tochimoto, The University of Tokyo, Kashiwa, Japan; and H. Niino

 
103
Identifying transverse banding and gravity waves by satellite in severe convective cells
Anthony Wimmers, CIMSS/Univ. of Wisconsin, Madison, WI; and C. Scheele and W. F. Feltz

 
106
 
107
Severe thunderstorms and Flash Floods over Southwestern Québec on May 29th 2012
Michael Elliott, EC, Montréal, Quebec, Canada; and S. Mainville

Handout (2.0 MB)

 
109
Storms in the time of drought—the June 28, 2012 derecho and beyond
Shih-Yu (Simon) Wang, Utah State University, Logan, UT

 
110
Supercells and bow echoes in Rio Grande do Sul state, southern Brazil: selected case studies
Ernani de Lima Nascimento, Universidade Federal de Santa Maria, Santa Maria, Brazil; and M. Ilha de Oliveira, E. Lima de Figueiredo, M. Machado Lopes, V. Anabor, and F. Puhales

 
111
Accuracy Analysis of Radar Rainfall Estimation Techniques about Heavy Rainfall Cases in Korea
Hye-Sook Park, Korea Meteorological Administration, Seoul, South Korea; and M. K. Suk III, I. H. Cho, and J. S. Ko


Poster Session 9
Observations of Tornadoes and Supercells Part 1
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
112
A Storm-Scale Analysis of the 29 May 2013 Tornado Event across East-Central New York
Thomas A. Wasula, NOAA/NWS, Albany, NY; and B. J. Frugis and I. R. Lee
Manuscript (2.4 MB)

Handout (4.0 MB)

 
113
Observations of Wall Cloud Formation in Supercell Thunderstorms during VORTEX2
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and E. Glidden and T. Nicholson

 
115
Dual-Doppler Observations of the 6 June 2010 Nontornadic Supercell during VORTEX2
Zachary B. Wienhoff, University of Oklahoma, Norman, OK; and J. W. Frame and M. B. Chasteen
Manuscript (845.7 kB)

 
116
An Analysis of Terminal Doppler Weather and Phased Array Radar Velocity and Reflectivity Signatures of the 20 May 2013, Moore, Oklahoma Tornado
Vincent T. Wood, NOAA/NSSL, Norman, OK; and P. L. Heinselman, R. A. Brown, D. W. Burgess, D. L. Priegnitz, and C. D. Karstens
Manuscript (3.1 MB)

Handout (5.3 MB)

 
117
A Rare Tornado Merger Observed in the 24 May 2011 El Reno, Oklahoma, Supercell
Michael M. French, NOAA/NSSL, Norman, OK; and P. Skinner, L. J. Wicker, and H. B. Bluestein

 
119
Overview of the 22 July 2013 Northwestern Minnesota Nocturnal Tornado Event
Jeffrey A. Makowski, NOAA/NWS Forecast Office, Grand Forks, ND; and D. Kellenbenz and J. Kaiser

 
120
Overview of the 28-29 April 2014 Tennessee Valley Tornado Outbreak
Anthony W. Lyza, Univ. of Alabama, Huntsville, AL; and T. A. Murphy and K. Knupp
Manuscript (832.0 kB)

Handout (4.3 MB)

 
121
Several Convective Weather Events in Guilin China between 2013 and 2014
Xianghong Li, Guilin Meteorological Bureau, Guilin, China; and W. Liang
Manuscript (85.5 kB)

Handout (166.5 kB)

 
123
Doppler Radar Observations of Vortices in a Left-Moving Supercell Thunderstorm on 26 May 2009
Mark D. Savin, University of Illinois, Urbana, IL; and J. W. Frame

 
124
A Multiscale Analysis of the 29 May 2013 Severe Weather Outbreak near Albany, New York
Nicholas D. Metz, Hobart and William Smith Colleges, Geneva, NY; and R. A. Lazear

 
125
Radar, Unmanned Aircraft System, and Surface Observations of Rear Flank Internal Momentum Surge Formation
Curtis J. Riganti, University of Nebraska, Lincoln, NE; and A. Houston

 
127
Fast scan radar observation of tornadic supercell in Tokyo during TOMACS
Eiichi Sato, MRI, Tsukuba, Japan; and K. Kusunoki, C. Fujiwara, S. Saito, and Y. Shoji

 
129
Alan R. Moller: Senior Forecaster, Photographer, and Storm Chaser
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and C. A. Doswell III, L. R. Lemon, G. Woodall, M. Lisius, and S. Barricklow
Manuscript (1.8 MB)

 
Poster 131 has been moved. New paper number is 11B.4A

 
132
Verification of Multiple Doppler Radar Analysis to Retrieve Three-dimensional Wind Field with High-spatiotemporal Resolution Capabilities of X-band Radar Network in Japan
Ken-ichi Shimose, National Research Institute for Earth Science and Disaster Prevention, Tsukuba, Japan; and S. Shimizu, T. Maesaka, K. Kieda, K. Iwanami, and D. I. Lee

 
135
Development of thunderstorm detection technique based on radar data over the Korean Peninsula
Se-Hee Ju, Korea Meteorological Administration, Dongjak-gu, South Korea; and H. S. Park, J. Kim, and J. S. Ko

 
137
Errors in mobile mesonet observations of equivalent potential temperature and wind velocity: Results from the Airdata Verification and Integrated Airborne Tempest Experiment (AVIATE)
Adam Houston, University of Nebraska-Lincoln, Lincoln, NE; and R. Laurence III, T. W. Nichols, S. Waugh, B. Argrow, and C. L. Ziegler

Handout (3.1 MB)

4:30 PM-5:45 PM: Wednesday, 5 November 2014

Recording files available
Session 12A
Data Assimilation for Understanding and Predicting Severe Convection and Tornadoes Part 2
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Robin Tanamachi, NOAA/NSSL
  4:30 PM
12A.1
Multiple Doppler Analysis for 20 May 2013 tornadic supercell using a 3DVAR
Jidong Gao, NSSL/NOAA, Norman, OK; and T. M. Smith, A. Clark, and D. J. Stensrud
  5:00 PM
12A.3
Internal Momentum Surges in a High-Resolution Simulation of the 8 May 2003 Oklahoma City Tornadic Supercell
Alexander D. Schenkman, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue, D. T. Dawson II, and M. Hu
  5:15 PM
12A.4
Impact of Targeted Afternoon Radiosonde Observations on Convection-Permitting Forecasts of the 31 May 2013 Convective Event in Oklahoma
Stacey M. Hitchcock, CIMMS/Univ. of Oklahoma, NOAA/NSSL, Norman, OK; and M. C. Coniglio and K. H. Knopfmeier
  5:30 PM
12A.5
Impact of Phased Array Radar Observations on the Analyses and Forecasts of the 22 May 2011 Ada Supercell Storm
Jing Cheng, University of Oklahoma, Norman, OK; and N. Yussouf, Y. Jung, D. J. Stensrud, M. Xue, and L. J. Wicker
Recording files available
Session 12B
Mesoscale Environments
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Scott F. Blair, NOAA/NWS
  4:45 PM
12B.2
  5:15 PM
12B.4

6:45 PM-8:45 PM: Wednesday, 5 November 2014


SLS Women's Dinner
Location: Senate B (Madison Concourse Hotel)

Thursday, 6 November 2014

7:30 AM-5:45 PM: Thursday, 6 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

9:00 AM-10:30 AM: Thursday, 6 November 2014

Recording files available
Session 13
The 31 May 2013 El Reno, Oklahoma Tornadoes: A tribute to Tim Samaras, Carl Young, and Paul Samaras
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Cochairs: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
  9:00 AM
13.1
Ground-based Damage Survey and Radar Analysis of the El Reno, Oklahoma Tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and D. W. Burgess, G. S. Garfield, J. C. Snyder, R. Smith, D. Speheger, and H. Bluestein
  9:15 AM
13.2
The El Reno Tornado: Mobile Polarimetric Radar Data and Photogrammetric Analysis
Roger Wakimoto, NSF, Arlington, VA; and N. T. Atkins, K. M. Butler, H. B. Bluestein, K. J. Thiem, J. C. Snyder, and J. Houser

  9:30 AM
13.3
Aerial Damage Survey and High Resolution Dual-Polarization Radar Analysis of the 2013 El Reno Tornado
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and R. Wakimoto, K. M. Butler, H. B. Bluestein, K. J. Thiem, J. C. Snyder, J. Houser, and J. Wurman
  10:00 AM
13.5
  10:15 AM
13.6

10:30 AM-11:00 AM: Thursday, 6 November 2014


Coffee Break
Location: Wisconsin Ballroom (Madison Concourse Hotel)

11:00 AM-12:00 PM: Thursday, 6 November 2014

Recording files available
Panel Discussion 14
Enhanced Fujita Scale Forum
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Moderator: James G. LaDue, NOAA/NWS/Warning Decision Training Branch
Chair: Karen A. Kosiba, Center for Severe Weather Research
  11:00 AM
PD14.1
EF-Scale Forum (Invited Presentation)
James G. LaDue, NOAA/NWS/Warning Decision Training Branch, Norman, OK

12:00 PM-1:30 PM: Thursday, 6 November 2014


Lunch Break

1:30 PM-3:00 PM: Thursday, 6 November 2014

Recording files available
Session 15A
Modeling of Storm and Tornado Dynamics Part 2
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Yvette P. Richardson, Pennsylvania State University
  1:30 PM
15A.1
  1:45 PM
15A.2
Dual-frequency simulations of radar observations of tornadoes
David J. Bodine, National Center for Atmospheric Research, Boulder, CO; and R. D. Palmer, T. Maruyama, C. Fulton, and B. L. Cheong
  2:15 PM
15A.3
The Markowski and Richardson toy simulations revisited: what is the effect of surface drag?
Paul Markowski, Pennsylvania State University, University Park, PA; and Y. P. Richardson
  2:30 PM
15A.5
Impacts of the storm-relative wind profile upon surface vorticity production in downdrafts
Matthew D. Parker, North Carolina State University, Raleigh, NC; and J. Dahl
  2:45 PM
15A.6
Internal storm dynamical processes leading to tornado genesis as revealed by numerical investigations
Gregory J. Tripoli, University of Wisconsin, Madison, WI; and S. Trevorow, L. Odell, and M. L. Buker
Recording files available
Session 15B
Mesoscale Convective Systems
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Kelly Lombardo, University of Connecticut
  1:45 PM
15B.2
  2:15 PM
15B.4
Life Cycle Characteristics of MCSs Tracked by Geostationary Satellite
Yufei Ai, Peking University, Beijing, China; and W. Li, Z. Meng, and J. Li
  2:30 PM
15B.5

3:00 PM-4:15 PM: Thursday, 6 November 2014


Poster Session 10
Climatologies of Severe Weather and Their Environments Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
139
A Climatology of Tornado Intensity Assessments
Stephen M. Strader, Northern Illinois Univ., DeKalb, IL; and W. S. Ashley, A. Irizarry, and S. Hall

 
140
Regionalization of Tornado Intensities Using Tornado Parameters and a Long-term High-resolution Reanalysis Data
Soichiro Sugimoto, Central Research Institute of Electrical Power Industry, Abiko, Japan; and D. Nohara and H. Hirakuchi

Handout (268.0 kB)

 
Poster 141 is now paper number 8B.5A

 
142
Hail Climatology of Australia based on Lightning and Reanalysis
Christopher Neal Bednarczyk, AIR Worldwide, Boston, MA; and P. J. Sousounis
Manuscript (920.0 kB)

Handout (1.1 MB)

 
143
A U.S. climatology of mesoscale convective systems: 1997–2013
Alex M. Haberlie, Northern Illinois Univ., DeKalb, IL; and W. S. Ashley

 
144
A Radar-Based Hail Climatology for the CONUS (2000–2011)
Garrett William Layne, CIMMS/Univ. of Oklahoma, Norman, OK; and K. L. Ortega, H. E. Brooks, and T. M. Smith

Handout (9.6 MB) Handout (9.6 MB)

 
145
 
146
A Radar-Based Storm Rotation Climatology for the CONUS (2000–2011)
Skylar S. Williams, CIMMS/Univ. of Oklahoma, Norman, OK; and K. L. Ortega, D. M. Kingfield, and T. M. Smith

Handout (2.0 MB)


Poster Session 11
Mesoscale Convective Systems and Severe Weather Hazards Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
147
Microphysical Structures of Early-winter Snow Clouds during a Cold Air Outbreak of 23-25 December 2010
Kenji Suzuki, Yamaguchi University, Yamaguchi, Japan; and R. Watanabe, T. Kawano, and S. Sugimoto

 
149
 
150
A hybrid physical-statistical model for the estimation of insured loss from catastrophic severe storm activity over the United States and Canada
Eric D. Robinson, AIR Worldwide, Boston, MA; and S. Stransky, T. Doggett, C. Kafali, A. Dagnew, T. Girnius, and A. Reichert

 
152
 
156
WRF simulations of a rare springtime bow echo near the Great Salt Lake
Lin Zhao, Utah State University, Logan, UT; and S. Y. Wang, J. Jin, and A. Clark

 
159
Ensemble-Based Analysis of the 14 June 2010 Oklahoma City Flood
Nathan A. Dahl, Univ. of Miami/RSMAS, Miami, FL; and M. Xue, F. Kong, K. W. Thomas, and K. Brewster


Poster Session 12
Observations of Tornadoes and Supercells Part 2
Location: Capitol Ballroom AB (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Organizers: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research
 
160
An Analysis of the 27 April 2014 Severe Weather event: The Mayflower-Vilonia-El Paso tornadic storm
Christopher C. Buonanno, NOAA/NWS, North Little Rock, AR; and J. A. Lewis III, W. Gilmore, B. D. Smith, C. Rickard, C. Dalton, and S. Clarke

 
161
A Parametric Wind-Pressure Relationship for Concentric Cyclostrophic Vortices
Vincent T. Wood, NOAA/NSSL, Norman, OK; and R. L. Tanamachi and L. W. White

Handout (2.0 MB) Handout (2.8 MB)

 
162
Damage Survey of the Mayflower-Vilonia, Arkansas Tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and J. Robinson, E. Kiesling, and L. Tanner
Manuscript (1.9 MB)

 
163
Integrated Observations of a Near-Surface Based Supercell Located Behind a Gust Front
Anthony W. Lyza, Univ. of Alabama, Huntsville, AL; and J. Apke, K. S. Pennington, and K. Knupp
Manuscript (921.1 kB)

Handout (3.3 MB)

 
164
The 6 May 2010 Elevated Supercell During VORTEX2
Christopher W. MacIntosh, North Carolina State University, Raleigh, NC; and M. D. Parker

 
167
An Examination of the Radar and Lightning Characteristics of the El Reno Tornado
Jenny Reed, Georgia Tech Research Institute, Atlanta, GA; and J. M. Trostel

 
169
Development of Tornadic Debris Signature Guidance Using Polarimetric WSR-88D Data
Darrel M. Kingfield, CIMMS/Univ. of Oklahoma, Norman, OK; and S. Degelia, K. L. Ortega, J. C. Snyder, T. M. Smith, and A. V. Ryzhkov

Handout (4.2 MB)

 
171
Analysis of Polarimetric Tornado Debris Signatures Observed by WSR-88D Associated with Significant Tornadoes
Steven E. Nelson, NOAA/NWS Forecast Office, Peachtree City, GA; and J. R. Banghoff

 
172
Examination of debris loading effects on tornado dynamics using a Large-Eddy Simulation model and W-band mobile radar measurements
David J. Bodine, NCAR, Boulder, CO; and T. Maruyama, R. D. Palmer, C. Fulton, and H. B. Bluestein
Manuscript (1.8 MB)

 
174
Rapid-Update Radar Observations of Downbursts
Charles M. Kuster, CIMMS/Univ. of Oklahoma, Norman, OK; and P. L. Heinselman and T. J. Schuur

 
175
An Integrated Damage, Visual, and Radar Analysis of the 2013 Moore, Oklahoma EF5 Tornado
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and K. M. Butler, K. R. Flynn, and R. Wakimoto

 
176
Low-level vertical wind structure in tornadoes
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman

 
177
Measurement of Tsukuba tornado with particle image velocimetry
Koji Sassa, Kochi University, Kochi, Japan; and H. Miyagi and H. Yamauchi

Handout (3.6 MB)

 
178
High-resolution Tornado Damage Surveys Compared to Doppler Velocity-derived Rotational Strength Parameters
Kiel L. Ortega, National Weather Center, Norman, OK ; and J. G. LaDue, T. C. Meyer, and D. M. Kingfield

Handout (1.9 MB)

 
179
The Doppler On Wheels NSF Lower Atmospheric Observing Facility
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and K. A. Kosiba, P. Robinson, B. pereira, R. Humphrey, and T. Meyer

 
180
Impacts of Radar Scan Time on Observed 31 May 2013 Supercell Evolution: An Operational Perspective
Charles Kuster, CIMMS/Univ. of Oklahoma, Norman, OK; and P. L. Heinselman and M. D. Austin

4:15 PM-5:45 PM: Thursday, 6 November 2014

Recording files available
Session 16A
Severe Storm Microphysics and Dual-Polarization Observations
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Jana Houser, Ohio University
  4:15 PM
16A.1
Modified Microphysics for Use in High-Resolution NAM Forecasts
Eric Aligo, EMC/NCEP/NWS/NOAA and I.M. Systems Group, Inc., College Park, MD; and B. S. Ferrier, J. Carley, E. Rogers, M. Pyle, S. J. Weiss, and I. L. Jirak
  4:30 PM
16A.2
  4:45 PM
16A.3
The Anatomy and Physics of ZDR Columns
Matthew R. Kumjian, Pennsylvania State University, University Park, PA; and A. P. Khain, N. BenMoshe, E. Ilotovich, and A. V. Ryzhkov
  5:00 PM
16A.4
  5:30 PM
16A.6
Recording files available
Session 16B
Risk Assessment of Severe Weather Hazards
Location: University (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Patrick S. Skinner, NOAA/NSSL
  4:15 PM
16B.1
IBHS Hail Field Research Program 2012–2014
Tanya M. Brown, Insurance Institute for Business & Home Safety, Richburg, SC; and I. M. Giammanco and M. R. Kumjian
  4:30 PM
16B.2
Observations of Hailstone Sizes and Shapes from the IBHS Hail Measurement Program: 2012–2014
Ian M. Giammanco, Insurance Institute for Business & Home Safety, Richburg, SC; and T. M. Brown, M. R. Kumjian, and A. J. Heymsfield
  5:00 PM
16B.4
  5:15 PM
16B.5
Tornadoes in Europe: Risk and vulnerability assessment
Bogdan Antonescu, University of Manchester, Manchester, United Kingdom; and D. M. Schultz, K. Mulder, and G. Vaughan
  5:30 PM
16B.6
Implementation and Application of the EF-Scale in Canada
David M. L. Sills, EC, Toronto, Ontario, Canada; and P. J. McCarthy and G. Kopp

Friday, 7 November 2014

7:30 AM-12:30 PM: Friday, 7 November 2014


Registration
Location: Second Floor Foyer (Madison Concourse Hotel)

8:30 AM-9:30 AM: Friday, 7 November 2014

Recording files available
Session 17
Climatologies of Tornadoes and Related Environments
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: Jeffrey C. Snyder, NOAA/NSSL
  8:30 AM
17.1
  8:45 AM
17.3
The Tornado Climatology of Australia 1795–2013
John T. Allen, Columbia University/International Research Institute for Climate and Society, Palisades, NY; and E. R. Allen
  9:15 AM
17.5

9:30 AM-9:45 AM: Friday, 7 November 2014


Coffee Break
Location: Second Floor Foyer (Madison Concourse Hotel)

9:45 AM-10:45 AM: Friday, 7 November 2014

Recording files available
Session 18
Climatologies of Severe Weather and Related Environments
Location: Madison Ballroom (Madison Concourse Hotel)
Host: 27th Conference on Severe Local Storms
Chair: James Wood, NOAA/NWS
  9:45 AM
18.1
High-Resolution Hail Observations: Implications for NWS Warning Operations and Climatological Data
Scott F. Blair, NOAA/NWS, Pleasant Hill, MO; and D. E. Cavanaugh, J. M. Laflin, J. W. Leighton, K. J. Sanders, and K. L. Ortega
  10:00 AM
18.2
Severe Weather Parameter Reanalysis Project at the Storm Prediction Center
Phillip D. Bothwell, NOAA/NCEP/SPC, Norman, OK; and B. T. Smith, R. L. Thompson, A. R. Dean, and J. S. Kain
  10:15 AM
18.3
The European Severe Weather Database (ESWD) as a data resource for severe weather research
Pieter Groenemeijer, European Severe Storms Laboratory, Wessling, Germany; and T. Kühne, G. Pistotnik, A. M. Holzer, and Z. Liang
  10:45 AM
Closing Remarks, Curtis Alexander

10:45 AM-11:00 AM: Friday, 7 November 2014


Concluding Remarks and Awards
Location: Madison Ballroom (Madison Concourse Hotel)
Cochairs: Curtis R. Alexander, NOAA/Earth Systems Research Laboratory/Global Systems Division and CIRES/Univ. of Colorado; Karen A. Kosiba, Center for Severe Weather Research

11:00 AM-11:05 AM: Friday, 7 November 2014


Conference Adjourns
Location: Madison Ballroom (Madison Concourse Hotel)