21st Conf. on Severe Local Storms (Expanded View)

* - Indicates paper has been withdrawn from meeting

Compact View of Conference

Sunday, 11 August 2002
5:00 PM-7:00 PM, Sunday
CONFERENCE REGISTRATION
 
Monday, 12 August 2002
7:30 AM, Monday
Session REGISTRATION CONTINUES THROUGH FRIDAY, 16 AUGUST (Joint between the 21st Conf. on Severe Local Storms and the 19th Conf. on weather Analysis and Forecasting/15th Conf. on Numerical Weather Prediction)
 
8:15 AM, Monday
Opening Remarks
Organizer: Edward L Bensman, Air Force Weather Agency, Offutt AFB, NE
 
8:30 AM-9:15 AM, Monday
Joint Session 1 Joint Keynote Address (Joint with 21SLS and 19WAF/15NWP)
8:30 AMJ1.1Forecasting severe local storms...past, present, and future  
Robert H. Johns, Retired severe local storms forecaster, Norman, OK; and S. J. Weiss
 
9:15 AM-10:00 AM, Monday
Joint Session 2 Joint Keynote Address II (Joint with 21SLS and 19WAF/15NWP)
Organizer: Edward L. Bensman, Air Force Weather Agency, Offutt AFB, NE
9:15 AMJ2.1Grassroots science and technology transfer in a collaborative research/operational environment  extended abstract
John S. Kain, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and M. E. Baldwin, S. J. Weiss, P. R. Janish, J. A. Hart, and A. Just
 
10:00 AM, Monday
COFFEE BREAK
 
10:30 AM-12:00 PM, Monday
Session 1 Mesoscale Convective Systems I
Organizer: Stan Trier, NCAR, Boulder, CO
10:30 AM1.1The role of low-level vertical wind shear in promoting long-lived, severe wind-producing convective systems  
Morris L. Weisman, NCAR, Boulder, CO
10:45 AM1.2Dynamics of convective lines with leading precipitation  extended abstract
Matthew D. Parker, Colorado State University, Fort Collins, CO
11:00 AM1.3An Observational and Numerical Study of Derecho-Producing Convective Systems  
Michael C. Coniglio, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and D. J. Stensrud and M. B. Richman
11:15 AM1.4Observations of the 27 May 2001 High-End Derecho Event in Oklahoma  
Daniel J. Miller, NOAA/NWSFO, Norman, OK; and D. L. Andra, J. S. Evans, and R. H. Johns
11:30 AM1.5A mesoscale analysis of the Lubbock area bow echo of 30 May 2001  extended abstract
Caleb J. Midgley, Texas Tech University, Lubbock, TX; and M. R. Conder, A. L. Doggett, and S. W. Weinbeck
11:45 AM1.6The Effects of Coastlines on the Evolution of Strong, Long Lived Squall Lines  
Todd P. Lericos, Florida State Univ., Tallahassee, FL; and H. E. Fuelberg, A. I. Watson, and M. L. Weisman
 
12:00 PM-1:30 PM, Monday
LUNCH BREAK
 
1:00 PM, Monday
Weather Briefing
 
1:30 PM-3:00 PM, Monday
Session 2 Mesoscale Convective Systems II
Organizer: Ray Wolf, NOAA/NWS, Davenport, IA
1:30 PM2.1Low-Level Mesovortices within Squall Lines: Vortexgenesis and Association with Damaging Surface Winds  
Robert J. Trapp, NOAA/OAR/NSSL, Boulder, CO; and M. L. Weisman
1:45 PM2.2Fine Scale Structures of a Squall Line Observed By NCAR ELDORA  extended abstract
Wen-Chau Lee, NCAR, Boulder, CO; and R. M. Wakimoto and J. F. Gamache
2:00 PM2.3Doppler radar observations of a small mesoscale convective vortex within a mesoscale convective system  
Kevin R. Knupp, University of Alabama, Huntsville, AL; and T. A. Coleman
2:15 PM2.4Severe Weather Evolution Associated with a Bow Echo and a Series of Mesolows  extended abstract
Diana M. Blahyj, SUNY, Brockport, NY; and D. A. Imy
2:30 PM2.5Evolution of an intense MCS over south-central Arizona on 16–17 August 2001  extended abstract
G. Douglas Green, NOAA/NWSFO, Phoenix, AZ; and D. N. Runyan
2:45 PM2.6The degree of balance in a midlatitude, continental mesoscale convective vortex  extended abstract
Jason C. Knievel, NCAR, Boulder, CO; and D. S. Nolan, J. P. Kossin, and R. H. Johnson
 
3:00 PM, Monday
Coffee Break with the Poster Session
 
3:00 PM-4:30 PM, Monday
Poster Session 1 Mesoscale Convective Systems and MCVs
P1.1The maintenance of severe mesoscale convective systems through the southern Appalachians: favorable vs. unfavorable environments  
Stephen J. Keighton, NOAA/NWS, Blacksburg, VA; and J. Jackson and W. Perry
 P1.2The 10–11 April 2001 late night tornado outbreak along a squall line in south central Nebraska/north central Kansas  
Rick Ewald, NOAA/NWS, Hastings, NE; and D. D. Nietfeld
 P1.3Radar Survey of Mesoscale Convective System Development  extended abstract
Israel L. Jirak, Colorado State University, Fort Collins, CO; and W. R. Cotton and R. L. McAnelly
 P1.4The Structure and Dynamics of Moist Absolutely Unstable Layers in Simulated Squall Lines  extended abstract
George H. Bryan, Penn State Univ., University Park, PA; and J. M. Fritsch
 P1.5Evolution of a mesoscale convective vortex over Northern Arizona  extended abstract
David O. Blanchard, NOAA/NWS, Flagstaff, AZ
 P1.6A preliminary investigation of derecho-producing MCSs over the central and eastern United States in environments of very low dewpoints  
Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK
 P1.7A preliminary comparison between convectively generated mesoscale vortices in the United States and in China  
Jason C. Knievel, NCAR, Boulder, CO
 P1.8A turn of events for a long-lived convective system  extended abstract
John D. Tuttle, NCAR, Boulder, CO; and R. E. Carbone
 
3:00 PM-4:30 PM, Monday
Poster Session 2 Convectively Driven High Wind Events
 P2.1Storm Surge on Lake Butte Des Morts during the 11 June 2001 bow echo event  extended abstract
Timothy P. Marshall, Haag Engineering Co., Dallas, TX; and E. S. Brusky and J. K. Last
 P2.2Polarimetric radar observations of a microburst-producing thunderstorm during STEPS  extended abstract
Kevin A. Scharfenberg, CIMMS/Univ. of Oklahoma and NOAA, Norman, OK
 P2.3Meteorological characteristics of a severe wind and dust emission event; southwestern USA, 6–7 April 2001  extended abstract
Arthur L. Doggett IV, Texas Tech University, Lubbock, TX; and T. E. Gill, R. E. Peterson, A. J. -. M. Bory, and P. E. Biscaye
 P2.4Fine-scale outflow structure of the 10 July 2001 Greeley, CO convective wind event  extended abstract
Bruce D. Lee, University of Northern Colorado, Greeley, CO; and C. A. Finley
 P2.5Convective Wind Storms  
Edward Henderson, DOE, Norfolk, VA
 P2.6Analysis of convective downdrafts and microbursts using a simple, one-dimensional model  
Daniel T. Lindsey, Colorado State University, Fort Collins, CO; and D. A. Randall
 P2.7A Case Study of 7–9 April 2001 Dust Storm in Northern China  extended abstract
Shigong Wang, Lanzhou University, Lanzhou, China; and M. Yang, M. Liu, D. Westphal, K. D. Sashegyi, and Q. Xu
P2.8A comparison of the environment and structure of the 29 May and 25 June 2000 derechos  
Cory A. Wolff, Colorado State University, Fort Collins, CO
 P2.9A climatological analysis of heatbursts in Oklahoma  extended abstract
Justin D. Lane, NOAA/NWSFO, Greer, SC
 
3:00 PM-4:30 PM, Monday
Poster Session 3 Hail and Hailstorms
 P3.1Characteristics of severe hail events in eastern Australia  extended abstract
Donna F. Tucker, University of Kansas, Lawrence, KS
 P3.2Hail Damage Threshold Sizes for Common Roofing and Siding Materials  extended abstract
Timothy P. Marshall, Haag Engineering Co., Dallas, TX; and R. F. Herzog, S. J. Morrison, and S. R. Smith
 P3.3The Historic Missouri-Illinois High Precipitation Supercell of 10 April 2001  
Fred H. Glass, NOAA/NWS, St. Charles, MO; and M. F. Britt
 P3.4The Mayfest High-Precipitation Supercell of 5 May 1995—A Case Study  extended abstract
Edward J. Calianese, NOAA/NWSFO, Lubbock, TX; and J. K. Jordan, E. B. Curran, A. R. Moller, and G. Woodall
 
4:30 PM-6:00 PM, Monday
Session 3 Bow Echo and MCV Experiment (BAMEX) Symposium
Organizer: Ron Przybylinski, NOAA/NWS, St. Charles, MO
4:30 PM3.1Probing Rotationally Dominated Mesoscale Convective Systems  extended abstract
Christopher A. Davis, NCAR, Boulder, CO
4:52 PM3.2Outstanding issues related to bow echoes and derechoes component of BAMEX  
Morris L. Weisman, NCAR, Boulder, Colorado; and R. J. Trapp
5:15 PM3.3The Research Aircraft Component of the Bow-Echo and MCV Experiment (BAMEX)  extended abstract
David P. Jorgensen, NOAA/NSSL, Boulder, CO; and R. M. Wakimoto
5:37 PM3.4Plans for Ground-Based Observations During BAMEX  extended abstract
Michael I. Biggerstaff, Texas A&M University, College Station, TX
 
8:00 PM-9:00 PM, Monday
Weather Event Simulator Workshop
 
Tuesday, 13 August 2002
8:00 AM-9:00 AM, Tuesday
Joint Session 3 Severe Local Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
Organizer: Robert H. Johns, NOAA/NSSL/SPC, Norman, OK
8:00 AMJ3.1A Structured Process for Prediction of Convection Associated with Split Cold Fronts  extended abstract
Steven E. Koch, NOAA/FSL, Boulder, CO
8:15 AMJ3.2Evaluation and Interpretation of the Supercell Composite and Significant Tornado Parameters at the Storm Prediction Center  extended abstract
Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and R. Edwards and J. A. Hart
8:30 AMJ3.3Operational ensemble cloud model forecasts: Some preliminary results  extended abstract
Kimberly L. Elmore, CIMMS/Univ. of Oklahoma and NOAA/NSSSL, Norman, OK; and S. J. Weiss, P. C. Banacos, and S. K. Jones
8:45 AMJ3.4Automated Gridded Forecast Guidance for Thunderstorms and Severe Local Storms Based on the Eta Model  extended abstract
Kathryn K. Hughes, NOAA/NWS, Silver Spring, MD
 
8:00 AM-10:00 AM, Tuesday
Session 4 Radar and Multi-Sensor Applications
Organizers: Les Lemon, Baron Services Inc, Huntsville, AL; Greg Stumpf, NOAA/NSSL, Norman, OK
8:00 AM4.1NEXRAD Product ImprovemenT—Expanding Science Horizons  extended abstract
Robert E. Saffle, NOAA/NWS, Silver Spring, MD; and R. C. Elvander and M. J. Istok
8:15 AM4.2Dissemination and Utilization of NEXRAD Data in the Unidata Community  extended abstract
Steven R. Chiswell, Savannah River National Laboratory, Aiken, SC
8:29 AM4.3Paper has been moved to Poster Session P4, New paper number P4.13  
8:30 AM4.3aDiagnosed Structure of the Mulhall Tornado Using VTD Algorithm (Formerly paper P4.12)  extended abstract
Wen-Chau Lee, NCAR, Boulder, CO; and J. Wurman
8:45 AM4.4Visualization of Radar Data in Three-dimensions  extended abstract
Arthur L. Doggett IV, Texas Tech University, Lubbock, TX; and X. Gilliam, K. Manross, and M. Gamel
9:00 AM4.5WDSS-II: An Extensible, Multi-source Meteorological Algorithm Development Interface  extended abstract
V. Lakshmanan, NOAA/NSSL & Univ. of Oklahoma, Norman, OK
9:15 AM4.6The Multiple-Radar Severe Storm Analysis Program (MR-SSAP) for WDSS-II  extended abstract
Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and T. M. Smith and A. E. Gerard
9:30 AM4.7The WDSS-II Supercell Identification and Assessment Algorithm  extended abstract
Richard Jason Lynn, NOAA/NCEP/SPC and CIMMS, Norman, OK
9:45 AM4.8Current and Planned Activities for the Warning Decision Support System—Integrated Information (WDSS-II)  extended abstract
Kurt D. Hondl, NOAA/NSSL, Norman, OK
 
9:00 AM-10:00 AM, Tuesday
Joint Session 4 Severe Local Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
Organizer: John S. Kain, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK
9:00 AMJ4.1Forecast guidance from NCEP's high resolution nonhydrostatic mesoscale model  
Thomas L. Black, NOAA/NWS/NCEP, Camp Springs, MD; and E. Rogers, Z. Janjic, H. Chuang, and G. DiMego
9:15 AMJ4.2Subjective verification of numerical models as a component of a broader interaction between research and operations  extended abstract
John S. Kain, NOAA/NSSL and CIMMS/Univ. Oklahoma, Norman, OK; and M. E. Baldwin, S. J. Weiss, P. R. Janish, G. W. Carbin, M. P. Kay, and L. Brown
9:30 AMJ4.3Analysis of Mesoscale Vertical Circulations using WSR-88D VAD and Wind Profiler Data  extended abstract
Steven E. Koch, NOAA/FSL, Boulder, CO
9:45 AMJ4.4Summer storm initiation and evolution in central Arizona  extended abstract
Pamela L. MacKeen, CIMMS and NOAA/NSSL, Norman, OK; and D. M. Schultz
 
10:00 AM, Tuesday
Coffee Break
 
10:30 AM-11:15 AM, Tuesday
Joint Session 5 The Use of Mesoscale models in Severe Local Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
Organizer: David Stensrud, NOAA/NSSL, Norman, OK
10:30 AMJ5.1A Preliminary Examination of the Performance of Several Mesoscale Models for Convective Forecasting During IHOP  
Edward J. Szoke, NOAA/ERL/FSL, Boulder, CO; and B. Shaw, M. P. Kay, J. M. Brown, P. Janish, and R. Schneider
10:45 AMJ5.2Parameterization of convection at mesoscale resolution  extended abstract
James M. Done, University of Reading, Reading, Berks., United Kingdom; and P. A. Clark, G. C. Craig, M. E. B. Gray, and S. L. Gray
11:00 AMJ5.3Impact of GPS water vapor data on RUC severe weather forecasts  extended abstract
Tracy Lorraine Smith, CIRA/Colorado State Univ., Ft. Collins, CO and NOAA/OAR/FSL, Boulder, CO; and S. G. Benjamin, S. I. Gutman, and B. Schwartz
 
10:30 AM-12:00 PM, Tuesday
Session 5 Radar Applications
Organizers: Don Burgess, NOAA/NSSL, Norman, OK; Josh Wurman, University of Oklahoma, Norman, OK
10:30 AM5.1Radar characteristics of violent tornadic storms using the NSSL algorithms across separate geographic regions of the United States  extended abstract
Chris Broyles, NOAA/NWS, Amarillo, TX; and R. Wynne, N. Dipasquale, H. Guerrero, and T. Hendricks
10:45 AM5.2Relationships between baroclinically-generated horizontal vorticity and mesocyclone intensity as revealed by simple adjoint wind retrievals using WSR-88D data  
Janelle M. Janish, CIMMS and NOAA/NSSL, Norman, OK; and K. K. Droegemeier and J. Gao
11:00 AM5.3Development of warning criteria for severe pulse thunderstorms in the Northeastern United States using the WSR-88D  extended abstract
Carl S. Cerniglia, NOAA/NWSFO, Seattle, WA; and W. R. Snyder
11:15 AM5.4Increasing the Usefulness of a Mesocyclone Climatology  extended abstract
Kevin M. McGrath, University of Oklahoma, Norman, OK; and T. A. Jones and J. T. Snow
11:30 AM5.5Improved Methodology for Correlating Mesocyclone Detections with Tornadoes  extended abstract
Thomas A. Jones, University of Oklahoma, Norman, OK; and K. M. McGrath and J. T. Snow
11:45 AM5.6The July 4 2001 Severe Weather outbreak in Southern Ontario as Diagnosed by the New Radar Data Processing System of the National Radar Project of Canada  extended abstract
Mike Leduc, MSC, Downsview, ON, Canada; and P. Joe, M. Falla, P. Van Rijn, S. Lapczak, I. Ruddick, A. Ashton, and R. Alsen
 
11:15 AM-12:00 PM, Tuesday
Joint Session 6 The Use of Mesoscale Models in Severe Local Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
Organizer: Edward L. Bensman, Air Force Weather Agency, Offutt AFB, NE
11:15 AMJ6.1Mesoscale modeling at WFO Jacksonville: Five years of trying to get Florida severe weather right  
Patrick T. Welsh, NOAA/NWSFO, Jacksonville, FL
11:30 AMJ6.2Evaluation of a rapidly relocatable high-resolution numerical model for meteorological nowcasting based on MM5  extended abstract
Nelson L. Seaman, Penn State Univ, University Park, PA; and D. R. Stauffer, A. Deng, A. M. Gibbs, A. J. Schroeder, and G. K. Hunter
11:45 AMJ6.3Recent Advances in Diabatic Initialization of a Non-hydrostatic Numerical Model  extended abstract
Keith A. Brewster, CAPS/Univ. of Oklahoma, Norman, OK
 
12:00 PM-1:30 PM, Tuesday
LUNCH BREAK
 
1:00 PM, Tuesday
Weather Briefing
 
1:30 PM-3:00 PM, Tuesday
Session 6 Damage Assessment and Wind Speeds
Organizer: Greg Forbes, The Weather Channel, Atlanta, GA
1:30 PM6.1Development of an enhanced Fujita Scale for estimating tornado intensity  extended abstract
James R. McDonald, Texas Tech Univ., Lubbock, TX
2:00 PM6.2Tornadic wind speeds through engineering analysis  
Kishor C. Mehta, Texas Tech University, Lubbock, TX
2:15 PM6.3A discussion of radar observations of extreme winds in tornadoes  
Joshua Wurman, University of Oklahoma, Norman, OK
2:30 PM6.4Comparison of DOW doppler velocities and the damage survey of the 30 May 1998 Spencer, SD tornado  
Curtis R. Alexander, University of Oklahoma, Norman, OK; and J. Wurman
2:45 PM6.5Damage Survey and Radar Analysis of the Ft. Worth and Arlington, TX Tornadoes on 28 March 2000  extended abstract
Timothy P. Marshall, Haag Engineering Co., Dallas, TX; and M. Foster
 
3:00 PM, Tuesday
COFFEE BREAK WITH THE POSTER SESSION
 
3:00 PM-4:30 PM, Tuesday
Joint Poster Session 1 Severe Local Storms Forecasting (Joint with 21SLS and 19 WAF/15 NWP)
 JP1.1Weather Event Simulator Best Practices  extended abstract
John T. Ferree, NOAA/NWS, Norman, OK; and E. M. Quoetone, E. Page, and M. A. Magsig
 JP1.2Verification of Supercell Motion Forecasting Techniques  extended abstract
Roger Edwards, NOAA/NSSL/SPC, Norman, OK; and R. L. Thompson and J. A. Hart
 JP1.3Anticipating and monitoring supercell motion for severe weather operations  extended abstract
Jon W. Zeitler, NOAA/NWS, New Braunfels, TX; and M. J. Bunkers
 JP1.4Paper has been moved to SLS session 16, new paper number 16.7A  
 JP1.5Synoptic and mesoscale patterns associated with violent tornadoes across separate geographic regions of the United States: part II—upper-level characteristics  extended abstract
Chris Broyles, NOAA/NWS, Amarillo, TX; and N. Dipasquale and R. Wynne
 JP1.6Lightning nowcasts using WSR-88D derived products and AWIPS  extended abstract
Tim Garner, NOAA/NWS, Houston, TX; and R. Lafosse and T. D. Oram
 JP1.7Enhancements to a new convective sounding analysis program for AWIPS  extended abstract
Xuechao Yu, CIMMS/Univ. of Oklahoma; and M. A. Magsig and M. Bunkers
 JP1.8Forecasting extreme rainfall leading to flash flood events in the UK  extended abstract
Neil I. Fox, University of Missouri, Columbia, MO; and C. G. Collier and W. Hand
 JP1.9An Assessment of 3-and 6-h RUC CAPE forecasts  
Barry Schwartz, NOAA/ERL/FSL, Boulder, CO; and S. Benjamin
 JP1.10Probabilistic forecasts of severe local storms in the 0–3 hour timeframe from an advective-statistical technique  extended abstract
David H. Kitzmiller, NOAA/NWS, Silver Spring, MD; and F. G. Samplatsky, C. Mello, and J. Dai
 JP1.11Visually enhanced composite charts for severe weather forecasting and real-time diagnosis  
Josh Korotky, NOAA/NWS, Coraopolis, PA
 
3:00 PM-4:30 PM, Tuesday
Joint Poster Session 2 Severe Local Storms Forecasting (Joint with 21SLS and 19WAF/15NWP) new
 JP2.1Observed and Modeled Structure of the Subtropical Sea Breeze  
John W. Nielsen-Gammon, Texas A&M University, College Station, TX
 JP2.2NCEP Short-Range Ensemble Forecast of the 6—7 January 2002 Northeast Snowstorm: Role of initial conditions  extended abstract
William R. Bua, UCAR/COMET, Camp Springs, MD; and S. D. Jascourt
 JP2.3Late November 2001 Winter Precipitation Event Over South Central Texas  extended abstract
Robert A. Blaha, NOAA/NWS, New Braunfels, TX
 JP2.4Verification of MM5 Cloud Microphysics Schemes for East Asia  
Dean James Carter, Air Force Institute of Technology, Wright-Patterson AFB, OH; and R. P. Lowther
 JP2.5ENSO-based forecasting of seasonal tropical cyclone trends from historical analyses of genesis and OLR oscillations  extended abstract
Colin K. Kennedy, U.S. Naval Academy, Annapolis, MD; and D. R. Smith
 JP2.6Analysis of mesoscale banded features in the 5–6 February 2001 New England snowstorm  extended abstract
David Novak, SUNY, Albany, NY; and R. S. W. Horwood
 JP2.7The use of a phase shifted verification score to evaluate warm season QPF  
Steven L. Aves, Iowa State Univ., Ames, IA; and W. A. Gallus, E. Kalnay, and M. Miller
 JP2.8COAMPSTM Forecasting of Land–falling Fronts  
Carey L. Dickerman, FNMOC, Monterey, CA
 JP2.9Forecaster training on NWP through case examples (Formerly paper p1.16)  extended abstract
Stephen D. Jascourt, UCAR/COMET at NCEP, Camp Springs, MD; and W. Bua
 
3:00 PM-4:30 PM, Tuesday
Joint Poster Session 3 The use of Mesoscale Models in Severe Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
 JP3.1An integrated three-dimensional objective analysis scheme in use at the Storm Prediction Center  extended abstract
Phillip D. Bothwell, NOAA/NSSL/SPC, Norman, OK; and J. Hart and R. L. Thompson
 JP3.2Evaluation of Eta Model Forecasts of Mesoscale Convective Systems  extended abstract
Melissa S. Bukovsky, NCAR, Boulder, CO; and P. R. Janish, J. S. Kain, and M. E. Baldwin
 JP3.3The Use of the GEM Forecast Model at very high resolution during ELBOW 2001  extended abstract
Patrick King, MSC, Toronto, ON, Canada; and B. Murphy, A. Erfani, and D. Sills
 
3:00 PM-4:30 PM, Tuesday
Joint Poster Session 4 The Use of Mesoscale Models in Severe Storms Forecasting (Joint with 21SLS and 19WAF/15NWP)
 JP4.1Numerical forecast simulations of precipitation events in complex terrain  
J. Wang, South Dakota School of Mines and Technology, Rapid City, SD; and M. R. Hjelmfelt, W. Capehart, and R. D. Farley
 JP4.2Mesoscale Modeling of Significant Severe Weather and Flash Flood Events at WFO Jackson, MS  extended abstract
Alan Gerard, NOAA/NWS, Jackson, MS; and S. Listemaa
 JP4.3Impact of Radar Data Assimilation on the Numerical Prediction of Heavy Rainfall in Korea  extended abstract
Hee-Dong Yoo, CAPS/Univ. of Oklahoma, Norman, OK; and K. K. Droegemeier, K. Brewster, S. Y. Lee, and C. H. Cho
 JP4.4Using 4d-VAR to move a simulated hurricane in a mesoscale model  extended abstract
Ross N. Hoffman, AER, Lexington, MA; and J. M. Henderson and S. M. Leidner
 JP4.5Comparison of Meso Eta Wind Forecasts with TCOON Measurements along the Coast of Texas  extended abstract
Jeremy Alan Stearns, Texas A&M University, Conrad Blucher Institute, Corpus Christi, TX; and P. Tissot, A. R. Patrick, P. Michaud, and W. G. Collins
 JP4.6A Variational Method for Dual-Doppler Radar Retrievals of Wind and Thermodynamic Fields  extended abstract
Shun Liu, CIMMS/University of Oklahoma, Norman, OK; and C. Qiu and Q. Xu
 JP4.7A statistical evaluation of forecasting errors in numerical models for weather prediction of severe rainfalls events in Venezuelan coasts  
Jaime E. Guerra, Universidad Nacional Experimental Maritima del Caribe, Estado Vargas, Venezuela; and I. Garcia, J. Jorge, and G. Jaimes
 JP4.8CEDRIC as a software tool for analyzing WRF model output  
L. Jay Miller, NCAR, Boulder, CO; and S. Fredrick and C. A. Davis
 
3:00 PM-4:30 PM, Tuesday
Poster Session 4 Radar Applications
 P4.1The Rapid-Scan DOW  
Joshua Wurman, University of Oklahoma, Norman, OK
 P4.2On the investigation of vertically integrated liquid (VIL) using WSR-88D's new volume coverage patterns  
Vincent T. Wood, NOAA/NSSL, Norman, OK; and R. A. Brown and D. R. Cheresnick
 P4.3Improvements to the WSR-88D Storm Cell Identification and Tracking algorithm  
Arthur Witt, NOAA/NSSL, Norman, OK; and V. K. McCoy
 P4.4Improved detection of Lake Ontario snowstorms using lower elevation angles for surrounding WSR-88Ds: A simulation  
Rodger A. Brown, NOAA/NSSL, Norman, OK; and V. T. Wood
 P4.5Development and validation of downburst prediction equations for the DDPDA  extended abstract
Travis M. Smith, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and K. L. Elmore and S. A. Myers
 P4.6A Reassessment of the Percentage of Tornadic Mesocyclones  extended abstract
Robert J. Trapp, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Boulder, CO; and G. J. Stumpf
 P4.7Image Processing of Meteorological Radar Data Using a Coherent Clustering Technique  extended abstract
James Dunyak, Texas Tech University, Lubbock, TX; and X. Gilliam, A. L. Doggett, and S. Mitra
 P4.8Tornado case study using Czech weather radar network  extended abstract
Petr Novak, Czech Hydrometeorological Institute, Praha, Czech Republic; and J. Kracmar and M. Setvak
 P4.9Identification of Biological Scatters and Radar Data Quality Control  extended abstract
Pengfei Zhang, CIMMS/Univ. of Oklahoma, Norman, OK; and Q. Xu and A. Ryzhkov
 P4.10The "Owl Horn" radar signature in developing supercells  extended abstract
Matthew R. Kramar, University of Oklahoma, Norman, OK; and H. B. Bluestein, A. Pazmany, and J. D. Tuttle
 P4.11An evaluation of NSSL's near-storm environment algorithm  extended abstract
Shannon A. Myers, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and T. M. Smith
 P4.12Paper has been moved to session 4, new paper number 4.3A  
 P4.13Radar Data Processing for Severe Weather in the National Radar Project of Canada (formerly paper 4.3)  extended abstract
Paul Joe, MSC, Toronto, ON, Canada; and M. Falla, P. Van Rijn, L. Stamadianos, T. Falla, D. Magosse, L. Ing, and J. Dobson
 P4.14The Kellerville Tornado during VORTEX: Damage Survey and Doppler Radar Analyses  
Roger Wakimoto, University of California, Los Angeles, CA; and H. Murphey, D. C. Dowell, and H. Bluestein
 
3:00 PM-4:30 PM, Tuesday
Poster Session 5 Multi-sensor Severe Weather Applications
 P5.1Real-time Merging of Multisource Data  extended abstract
V. Lakshmanan, NOAA/NSSL and Univ. of Oklahoma, Norman, OK
 P5.2Statistical Clustering for Hierarchical Storm Identification  
V. Lakshmanan, NOAA/NSSL and Univ. of Oklahoma, Norman, OK
 P5.3Virtual Radar Volumes: Creation, Algorithm Access, and Visualization  extended abstract
Richard Jason Lynn, NOAA/NWS/NCEP/SPC and CIMMS/Univ. of Oklahoma, Norman, OK; and V. Lakshmanan
 P5.4A two-dimensional, local, linear, least-squares method of derivative estimates from Doppler radial velocity  
Travis M. Smith, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and K. L. Elmore
 
4:30 PM-5:45 PM, Tuesday
Session 7 Hazard Mitigation and Societal Impacts of Severe Storms
Organizer: Al Moller, NOAA/NWS, Fort Worth, TX
4:30 PM7.1Proactive or Reactive: The Severe Storm Threat to Large Event Venues  extended abstract
Roger Edwards, NOAA/NSSL/SPC, Norman, OK; and L. R. Lemon
4:45 PM7.2A new flash flood action paradigm  extended abstract
Jon W. Zeitler, NOAA/NWS, Austin/San Antonio, TX
5:00 PM7.3OK-FIRST: The Oklahoma Example of Preparedness to Mitigate the Human Impacts of Severe Storms  extended abstract
Dale A. Morris, Oklahoma Climatolgical Survey and University of Oklahoma, Norman, OK; and K. A. Kloesel
5:15 PM7.4The ideal lead time for tornado warnings—A look from the customer's perspective  extended abstract
Rick Ewald, NOAA/NWSFO, Hastings, NE; and J. L. Guyer
5:30 PM7.5What would be the monetary loss if the 1896 St. Louis/East St. Louis tornado happened today?  extended abstract
Kyle A. Beatty, Risk Management Solutions, Inc., Newark, CA
 
8:00 PM-10:00 PM, Tuesday
Evening Video/Slide Presentation
 
Wednesday, 14 August 2002
8:00 AM-10:00 AM, Wednesday
Session 8 Numerical Modeling of Severe Storms
Organizers: Kelvin Droegemeier, University of Oklahoma, Norman, OK; Bruce Lee, University of Northern Colorado, Greeley, CO
8:00 AM8.1Idealized Boundary-Crossing Supercell Simulations of 2 June 1995  
Matthew S. Gilmore, CIMMS/ Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and L. J. Wicker, E. R. Mansell, J. M. Straka, and E. N. Rasmussen
8:15 AM8.2What is appropriate resolution for simulations of thunderstorms? An answer from a turbulence perspective  extended abstract
George H. Bryan, Penn State Univ., University Park, PA; and J. M. Fritsch
8:30 AM8.3High Resolution Simulation of the Development and Structure of a Tornado and Its Parent Supercell  extended abstract
Robert Wilhelmson, University of Illinois, Urbana, IL; and L. Wicker, S. Peckham, P. Woodward, S. Anderson, D. Porter, and C. Shaw
8:45 AM8.4A large eddy simulation of a tornadic supercell: Comparison with observations  extended abstract
Louis J. Wicker, NOAA/NSSL, Norman, OK; and D. C. Dowell, Y. P. Richardson, and R. Wilhelmson
9:00 AM8.5The sensitivity of numerically simulated cyclic mesocyclogenesis to variations in environmental parameters  extended abstract
Edwin J. Adlerman, University of Oklahoma, Norman, OK; and K. K. Droegemeier
9:15 AM8.6Numerical Simulations of Flanking Line Phenomena  extended abstract
Leigh Orf, University of North Carolina, Asheville, NC; and R. Wilhelmson
9:30 AM8.7A numerical study of a nontornadic supercell over France  extended abstract
Katia Chancibault, CNRM, Toulouse, France; and V. Ducrocq and J. P. Lafore
9:45 AM8.8On strong dependence of behavior of a numerically-simulated classic supercell on grid size  extended abstract
Akira Noda, University of Tokyo, Tokyo, Japan; and H. Niino
 
10:00 AM, Wednesday
COFFEE BREAK
 
10:30 AM-12:00 PM, Wednesday
Session 9 Convective Initation
Organizer: Roger Wakimoto, University of California, Los Angeles, CA
10:30 AM9.1An Overview of the International H2O Project (IHOP_2002)  
Tammy M. Weckwerth, NCAR, Boulder, CO; and D. B. Parsons
11:00 AM9.2Multiple Doppler Radar Observations of Convective Initiation During IHOP  
Yvette P. Richardson, Penn State Univ., University Park, PA; and J. Wurman and T. M. Weckwerth
11:15 AM9.3Probabilistic Convection Initiation Forecasts in Support of IHOP During the 2002 SPC/NSSL Spring Program  extended abstract
Paul R. Janish, NOAA/NWS/NCEP/SPC, Norman, OK; and S. J. Weiss, R. Schneider, J. P. Cupo, E. Szoke, J. M. Brown, and C. Ziegler
11:30 AM9.4Convective initiation ahead of the sea-breeze front  extended abstract
Robert G. Fovell, University of California, Los Angeles, CA; and P. S. Dailey
11:45 AM9.5Numerical simulation of the interaction between the dryline and horizontal convective rolls  extended abstract
Steven E. Peckham, University of Illinois, Urbana, IL; and R. B. Wilhelmson, L. J. Wicker, and C. L. Ziegler
 
12:00 PM-1:30 PM, Wednesday
LUNCH BREAK
 
1:00 PM-1:20 PM, Wednesday
Weather Briefing
 
1:30 PM-3:00 PM, Wednesday
Session 10A Results from the Severe Thunderstorm Electrification and Precipitation Study (STEPS) Experiment
Organizers: Dave Rust, NOAA/NSSL, Norman, OK; Don MacGorman, NOAA/NSSL, Norman, OK
1:30 PM10A.1Electrical Discharges from Thunderstorm Tops  extended abstract
Walter A. Lyons, FMA Research, Inc., Fort Collins, CO; and T. E. Nelson, V. P. Pasko, and M. A. Stanley
1:45 PM10A.2Comparison of radar-observed and WRF-modeled structures of two STEPS storms  
L. Jay Miller, NCAR, Boulder, CO; and M. L. Weisman
2:00 PM10A.3Aspects of electric field profiles and total lightning in severe thunderstorms in STEPS  extended abstract
W. D. Rust, NOAA/NWS and Univ. of Oklahoma, Norman, OK; and D. R. MacGorman, P. R. Krehbiel, T. Hamlin, J. Harlin, W. Rison, R. Thomas, and E. C. Bruning
2:15 PM10A.4Kinematic and microphysical evolution of the 29 June supercell during STEPS  
Sarah A. Tessendorf, Colorado State University, Ft. Collins and UCAR/SOARS, Boulder, CO; and S. A. Rutledge
2:30 PM10A.5Lightning characteristics of two storms observed during STEPS  extended abstract
Andrew G. Detwiler, South Dakota School of Mines & Technology, Rapid City, SD; and J. H. Helsdon, D. V. Kliche, Q. Mo, and T. A. Warner
2:45 PM10A.6June 29, 2000 STEPS Supercell Storm: Relationships Between Kinematics, Microphysics, and Lightning  extended abstract
Kyle C. Wiens, Colorado State University, Fort Collins, CO; and S. A. Tessendorf and S. A. Rutledge
 
1:30 PM-3:00 PM, Wednesday
Session 10B warnings, dissemination and verification
Organizer: Brian Klimowski, NOAA/NWS, Rapid City, SD
1:30 PM10B.1Training on severe convection  
Bradford N. Grant, NOAA/NWS, Norman, OK
1:45 PM10B.2An investigation of alternative verification schema for the National Weather Service: Results of analysis of March 2001 storms in North Florida and Southeast Georgia  
Dawn Hayes, Edward Waters College, Jacksonville, FL; and P. T. Welsh
2:00 PM10B.3Improving short-term warnings through rapid update of radar-detected severe weather features  extended abstract
Christopher W. Porter, CIMMS and NOAA/NWS, Norman, OK
2:15 PM10B.4Toward better warning decision-making and verification statistics: improvements at the Wichita National Weather Service office  
Peter L. Wolf, NOAA/NWS, Wichita, KS
2:30 PM10B.5Utilization of the GFE in severe weather recognition at the Tampa Bay Area National Weather Service  extended abstract
Jason T. Deese, NOAA/NWSFO, Ruskin, FL; and C. H. Paxton
2:45 PM10B.6The tornado warning process during a fast-moving low-topped event: 11 April 2001 in Iowa  extended abstract
Karl A. Jungbluth, NOAA/NWSFO, Johnston, IA
 
3:00 PM, Wednesday
COFFEE BREAK WITH THE POSTER SESSIONS
 
3:00 PM-4:30 PM, Wednesday
Poster Session 6 Numerical Modeling of Severe Local Storms
 P6.1The origin of an intense vortex couplet and jet in a numerically simulated supercell  
Howard B. Bluestein, University of Oklahoma, Norman, OK; and M. L. Weisman
 P6.2Sensitivity of 3-D narrow cold-frontal rainband simulations to changes in the ice microphysics parameterization  
Robert E. Schlesinger, University of Wisconsin, Madison, WI
 P6.3Numerical Simulations of Gust Front/ Microburst Collision Dynamics  extended abstract
Leigh Orf, University of North Carolina, Asheville, NC
 P6.4Numerical simulation of storm boundary anchoring in a high-CAPE, low-shear environment: Implications for the modulation of convective mode  extended abstract
Adam L. Houston, University of Illinois, Urbana, IL; and R. B. Wilhelmson
 P6.5The sensitivity of simulated storm structure and intensity to the temperature at the lifted condensation level  
Eugene W. McCaul Jr., USRA, Huntsville, AL; and C. Cohen
 P6.6Numerical simulation of cell interaction  extended abstract
Brian F. Jewett, University of Illinois, Urbana, IL; and R. B. Wilhelmson and B. D. Lee
 P6.7High resolution numerical simulations of thunderstorm outflow boundaries  extended abstract
Bruce D. Lee, University of Northern Colorado, Greeley, CO; and C. A. Finley
 P6.8Numerical Investigation of the Origins of the Granite Falls, MN, Tornado  extended abstract
Rich Naistat, NOAA/NWS, Chanhassen, MN; and W. Togstad, D. Dokken, and K. Scholz
 P6.9Convective initiation without an instantaneous warm bubble  
Lewis Grasso, CIRA/Colorado State Univ., Fort Collins, CO
 
3:00 PM-4:30 PM, Wednesday
Poster Session 7 Convection Initiation
 P7.1A comparative verification of two "cap" indices in forecasting thunderstorms  extended abstract
David L. Keller, Air Force Weather Agency, Offutt AFB, NE
P7.2A simple model for convection initiation between two colliding frontal boundaries  
Zhe-Min Tan, Nanjing University, Nanjing, Jiangsu, China; and F. Zhang
 P7.3Rapid supercell storm and tornado development along a boundary  
Kevin B. Laws, University of Alabama, Huntsville, AL; and K. R. Knupp and J. Walters
 P7.4The 3 May 1999 Drylines: A Closer Examination  extended abstract
Albert E. Pietrycha, Penn State University, University Park, PA
 
3:00 PM-4:30 PM, Wednesday
Poster Session 8 Climatological Studies of Severe Local Storms
 P8.1Toward a Climatology of Mesoscale Convective Systems Occurring throughout the Great lakes  
Jesse Sparks, Northern Illinois University, Dekalb, IL; and M. Bentley
 P8.2The Importance of Parcel Choice and the Measure of Vertical Wind Shear in Evaluating the Convective Environment  extended abstract
Matthew J. Bunkers, NOAA/NWSFO, Rapid City, SD; and B. A. Klimowski and J. W. Zeitler
 P8.3The Climatology and Character of Pennsylvania Severe Weather  extended abstract
John J. LaCorte, NOAA/NWS, State College, PA; and R. H. Grumm
 P8.4Precipitation efficiency aspects of flash flood producing MCSs  extended abstract
Patrick S. Market, University of Missouri, Columbia, MO; and S. M. Rochette
 P8.5Environmental Conditions Associated with Cool Season Strong and Violent Tornadoes in the Middle Mississippi Valley  
Mark F. Britt, NOAA/NWS, St. Charles, MO; and F. H. Glass
 P8.6Damaging nor'westers in Bangladesh  
Richard E. Peterson, Texas Tech University, Lubbock, TX; and A. M. Dewan
 P8.7Creation of a Severe Thunderstorm Event Web Page for Research and Training Purposes at the National Severe Storms Laboratory and Storm Prediction Center  extended abstract
Charlie A. Crisp, NOAA/NSSL, Norman, OK; and P. R. Janish, G. W. Carbin, and A. Just
 P8.8A Climatology of Mesoscale Convective Complexes in the United States  extended abstract
Walker S. Ashley, University of Georgia, Athens, GA; and P. G. Dixon, J. D. Durkee, E. J. Powell, S. L. Trotter, T. L. Mote, and A. J. Grundstein
 
3:00 PM-4:30 PM, Wednesday
Poster Session 9 Warning, Dissemination and Verification
 P9.1Warning Decision Making Processes at WFO Jackson, MS During the Tornado Outbreak of 24 November 2001  extended abstract
Alan Gerard, NOAA/NWS, Jackson, MS; and C. Entremont and A. Robinson-Cook
 P9.2Impact of Small Tornadoes on National Weather Service Operations 29 July, 2001  extended abstract
John J. Kwiatkowski, NOAA/NWS, Indianapolis, IN; and D. L. Sherrieb
 P9.3Wireless Storm Spotter and Marine Reporting System (WSSMRS)—A National Weather Service Jacksonville/University of North Florida Research Project  extended abstract
Fred R. Johnson, NOAA/NWSFO, Jacksonville, FL; and P. T. Welsh and J. D. Lambert
 P9.4Warning Decision Making Issues during the 24 November 2001 Tornado Outbreak  
John T. Bradshaw, NOAA/NWS, Calera, AL; and J. D. DeBlock, P. A. Hart, M. A. Linhares, K. J. Pence, and J. A. Westland
 P9.5Dramatically improving warning services—one office's experience  extended abstract
Stephen S. Parker, NOAA/NWS, Morristown, TN; and H. Waldron
 P9.6Applying a Mixed Tornado/Flooding Event to the New National Weather Service Training Environment  extended abstract
Nezette N. Rydell, NOAA/NWS, New Braunfels, TX; and J. D. Ward
 P9.7A Case Study of the Fort Worth and Arlington Tornadic Supercells of 28 March 2000  extended abstract
Jason K. Jordan, Texas Tech University and NOAA/NWSFO, Lubbock, TX; and A. R. Moller and M. Vescio
 
4:30 PM-6:00 PM, Wednesday
Session 11A Lightning Studies
Organizers: Bill Beasley, University of Oklahoma, Norman, OK; Matt Gilmore, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Boulder, CO
4:30 PM11A.1Lightning relative to precipitation and tornadoes in a supercell storm during MEaPRS  
Don MacGorman, NOAA/NSSL, Norman, OK; and D. Rust, O. van der Velde, M. Askelson, P. Krehbiel, R. Thomas, W. Rison, T. Hamlin, and J. Harlin
4:45 PM11A.2Preliminary results from the North Alabama Lightning Mapping Array  
Eugene W. McCaul Jr., USRA, Huntsville, AL; and J. Bailey, S. J. Goodman, R. Blakeslee, J. Hall, D. E. Buechler, and T. Bradshaw
5:00 PM11A.3A relationship between a surface theta-e ridge and dominant lightning polarity  extended abstract
Nettie R. Lake, Lyndon State College, Lyndonville, VT; and D. R. MacGorman
5:15 PM11A.4Development of predictors for cloud-to-ground lightning activity using atmospheric stability indices  
Kenneth C. Venzke, Air Force Institute of Technology, Keesler AFB, MS; and R. P. Lowther
5:30 PM11A.5Tornado signatures and precursor activity from 3-D lightning mapping observations  extended abstract
T. Hamlin, New Mexico Institute of Mining and Technology, Socorro, NM; and J. D. Harlin
5:45 PM11A.6Lightning Meteorology II: An advanced course on forecasting with lightning data  extended abstract
Bard A. Zajac, CIRA/Colorado State Univ., Fort Collins, CO; and J. F. Weaver, D. E. Bikos, and D. T. Lindsey
 
4:30 PM-6:00 PM, Wednesday
Session 11B Climatological Studies of Severe Storms
Organizer: Joseph Schaefer, NOAA/NSSL/SPC, Norman, OK
4:30 PM11B.1The month-to-month consistency in the occurrence rates of tornados and severe thunderstorms  extended abstract
Joseph T. Schaefer, NOAA/NWS/NCEP/SPC, Norman, OK; and A. Just
4:45 PM11B.2An examination of severe thunderstorm wind report climatology: 1970–1999  extended abstract
Steven J. Weiss, NOAA/NWS/NCEP/SPC, Norman, OK; and J. A. Hart and P. R. Janish
5:00 PM11B.3Severe weather associated with warm season precipitation episodes  extended abstract
Diana L. Bartels, NOAA/NSSL, Boulder, CO; and R. E. Carbone, D. A. Ahijevich, L. J. Miller, and J. D. Tuttle
5:15 PM11B.4A climatology of environmental parameters that influence severe storm intensity and morphology  extended abstract
U. S. Nair, University of Alabama, Huntsville, AL; and E. W. McCaul and R. M. Welch
5:30 PM11B.5A Severe Weather Climatology for the NWS WFO New Orleans-Baton Rouge County Warning Area (CWA)  extended abstract
Suzanne Van Cooten, NDBC, Stennis Space Center, MS
5:45 PM11B.6Analysis of Tornado Counts with Hierarchical Bayesian Spatio-Temporal Models  extended abstract
Christopher J. Anderson, Iowa State University, Ames, IA; and C. K. Wikle
 
6:00 PM, Wednesday
Fiesta
 
Thursday, 15 August 2002
8:00 AM-10:00 AM, Thursday
Session 12 tornadogenesis
Organizers: Bob Davies-Jones, NOAA/NSSL, Norman, OK; Cathy Finley, University of Northern Colorado, Greeley, Greeley, CO
8:00 AM12.1Tornadogenesis and tornado-vortex structure in a supercell  
Howard B. Bluestein, University of Oklahoma, Norman, OK; and C. C. Weiss, A. L. Pazmany, W. C. Lee, and M. Bell
8:15 AM12.2The occurrence of rear-flank reflectivity maxima in the supercells of 2 June 1995  
Erik N. Rasmussen, CIMMS/Univ. of Oklahoma, Norman, OK; and M. S. Gilmore, J. M. Straka, and R. P. Davies-Jones
8:30 AM12.3Observations of the formation of low-level rotation: The 5 June 2001 Sumner County, Kansas storm  extended abstract
David C. Dowell, NCAR, Boulder, CO; and Y. P. Richardson and J. Wurman
8:45 AM12.4The Role of the Preexisting Boundry on tornadogenesis in the 27 May 1997 Central Texas Event  extended abstract
Adam L. Houston, University of Illinois, Urbana, IL; and R. B. Wilhelmson
9:00 AM12.5Two Modes of Tornadogenesis In Storm A on 3 May 1999  
Yvette P. Richardson, Penn State Univ., University Park, PA; and J. Wurman
9:15 AM12.6The structure and evolution of hook echoes during tornadogenesis as revealed by high resolution radar data  extended abstract
Michael A. Magsig, CIMMS, Norman, OK; and D. W. Burgess, D. C. Dowell, Y. P. Richardson, and J. M. Wurman
9:30 AM12.7Three-dimensional stability analyses of tornado-like vortices with secondary circulations  extended abstract
David S. Nolan, University of Miami, Miami, FL; and M. T. Montgomery
9:45 AM12.8Near-surface intensification during unsteady tornado evolution  extended abstract
D. C. Lewellen, West Virginia University, Morgantown, WV; and W. S. Lewellen
 
10:00 AM, Thursday
COFFEE BREAK
 
10:30 AM-12:00 PM, Thursday
Session 13 Tornadic Storms
Organizers: Lou Wicker, NOAA/NSSL, Norman, OK; David Dowell, NCAR, Boulder, CO
10:30 AM13.1Characteristics of Circulations associated with the 11 February 1999 Tornadic Event over the Mid-Mississippi Valley Region  
Ron W. Przybylinski, NOAA/NWSFO, St. Charles, MO; and G. K. Schmocker
10:45 AM13.2The Structure of a tornadic bow echo in Idaho  extended abstract
James G. LaDue, NOAA/NWS, Norman, OK
11:00 AM13.3Tornadogenesis within quasi-linear convective systems. Part I: Radar and storm damage analysis of the 29 June 1998 derecho  extended abstract
Justin M. Arnott, Lyndon State College, Lyndonville, VT; and N. T. Atkins
11:15 AM13.4Tornadogenesis within Quasi-Linear Convective Systems. Part II: Preliminary WRF Simulation Results of the 29 June 1998 Derecho  extended abstract
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and J. M. Arnott
11:30 AM13.5The 29 June 1998 Derecho Across Central Illinois: Issues Associated with Non-Descending Tornadic and Non-Tornadic Vortex Evolution  
Bradley D. Ketcham, NOAA/NWS, Lincoln, IL; and R. W. Przybylinski
11:45 AM13.6Doppler radar observations of squall line tornadogenesis near the KDVN WSR-88D  extended abstract
Ray Wolf, NOAA/NWS, Davenport, IA
 
12:00 PM-1:30 PM, Thursday
LUNCH BREAK
 
1:00 PM-1:20 PM, Thursday
Weather Briefing
 
1:30 PM-2:59 PM, Thursday
Session 14 Supercell and Tornadic Storms
Organizers: Howie Bluestein, University of Oklahoma, Norman, OK; Yvette Richardson, Penn State University, University Park, PA
1:30 PM14.1Linear and nonlinear propagation of supercell storms  
Robert Davies-Jones, NOAA/NSSL, Norman, OK
1:45 PM14.2Polarimetric analysis of a 3 May 1999 tornado  extended abstract
Alexander Ryzhkov, CIMMS/Univ. of Oklahoma, Norman, OK; and D. Burgess, D. Zrnic, T. Smith, and S. Giangrande
14.3The 11 April 2001 Oklahoma tornado outbreak  
Kenneth A. James, NOAA/NWS, Norman, OK
1:59 PM14.3AThe Lamar Colorado tornadic event: A Boundary driven singificant tornadic storm in a high CAPE/low shear environment (Formerly paper P11.2)  extended abstract
Stephen J. Hodanish, NOAA/NWS, Pueblo, CO; and J. M. Davies
2:14 PM14.4The 24 October 2001 tornado outbreak  extended abstract
John Taylor, NOAA/NWSFO, Syracuse, IN; and S. L. Lashley, R. E. Smith, P. B. Murphy, and J. A. Logsdon
2:29 PM14.5The Washington DC tornado of 24 September 2001: pre-storm environment and radar perspectives  extended abstract
Steven M. Zubrick, NOAA/NWSFO, Sterling, VA; and B. M. Watson
2:44 PM14.6Multiple Vortex Phenomena in Thunderstorms and Tornadoes: Three Scales of Multiple Vortices  extended abstract
Shelley L. Potts, Purdue University, West Lafayette, IN; and E. M. Agee
 
3:00 PM, Thursday
COFFEE BREAK WITH THE POSTER SESSION
 
3:00 PM-4:30 PM, Thursday
Poster Session 10 Tornadogenesis
 P10.1Tornadogenesis in a Simulated HP Supercell  extended abstract
Catherine A. Finley, University of Northern Colorado, Greeley, CO; and W. R. Cotton and R. A. Pielke
 P10.2Transonic velocities in tornadoes?  extended abstract
W. Steve Lewellen, West Virginia University, Morgantown, WV; and J. Xia and D. C. Lewellen
 P10.3Possible Tornadogenesis Mechanism During the 15 November 2001 South Texas Coastal Bend Event  extended abstract
Waylon G. Collins, NOAA/NWS, Corpus Christi, TX
 P10.4Investigating the role of the dynamic pipe effect in tornadogenesis by using a laboratory simulator  
Ashley E. Tidwell, Westmoore High School, Oklahoma City, OK
 P10.5Tornado and Waterspout Genesis. A new perspective on 3D Simulation and Experimentation of Vortex  
Safieddine Bouali, University of Tunis, Le Bardo, Tunisia
 
3:00 PM-4:30 PM, Thursday
Poster Session 11 Tornadic Storms
 P11.1Using a GIS to compare the May 3, 1999 Oklahoma City tornado damage path to WSR-88D signatures  extended abstract
Valerie K. McCoy, NOAA/NSSL, Norman, OK; and G. J. Stumpf
 P11.2Paper has been moved to Session 14, new paper number 14.3A  
 P11.3An overview of the 28–29 May 2001 severe weather outbreak over southeast Colorado  extended abstract
Stephen J. Hodanish, NOAA/NWSFO, Pueblo, CO
 P11.4The Effect of a Low-Level Boundary on the Development of the Panhandle, TX Tornadic Storm on 29 May 2001  extended abstract
Timothy P. Marshall, Haag Engineering Co., Carrollton, TX; and C. Broyles, S. Kersh, and J. Wingenroth
 P11.5The 2001 Independence, Iowa tornado: Issues associated with non-supercell tornadogenesis far from the radar  extended abstract
Ray A. Wolf, NOAA/NWS, Davenport, IA; and J. Meyer
 P11.6Radar and Damage Analysis of the 27 May 2000 Tornadic Derecho Event  extended abstract
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and R. W. Przybylinski
 P11.7Radar Examination and analysis of a Bow Echo in south Carolina in the Remains of Tropical Cyclone Danny 1997  
Joshua W. Scheck, Saint Louis University, St. Louis, MO; and R. Edwards and G. V. Rao
 P11.8Mesoscale environment factors in the D.C. area tornado event of 24 September 2001  extended abstract
Jonathan M. Davies, Private Meteorologist, Wichita, KS; and J. A. Hart
 P11.9A case of supercell intensification along a preexisting boundary—Clay County Nebraska tornado of 22 September 2001  extended abstract
Jared L. Guyer, NOAA/NWS, Hastings, NE
 P11.10Initial Examination of the Tornadic and Non-Tornadic Supercells on 20 September 2000: Includes the F4 Xenia Tornado  extended abstract
James G. Lott, NOAA/NWS, Wilmington, OH; and J. T. DiStefano
 
3:00 PM-4:30 PM, Thursday
Poster Session 12 Tornado and Severe Storm Environments
 P12.1WSR-88D observations of non-descending tornadogenesis in proximity to a synoptic scale frontal boundary: A case study of 18 May 2000 in Northern Illinois  extended abstract
Casey Crosbie, NOAA/NWS/SPC, Norman, OK; and R. Wolf
 P12.2RUC-2 Model Analysis Soundings as a Surrogate for Observed Soundings in Supercell Environments  extended abstract
Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and R. Edwards, J. A. Hart, and K. L. Elmore
 P12.3An Assessment of supercell and tornado forecast parameters through RUC-2 model close proximity soundings  extended abstract
Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and R. Edwards and J. A. Hart
 P12.4Characteristics of RUC vertical wind profiles near supercells  extended abstract
Paul Markowski, Penn State University, University Park, PA; and C. Hannon, J. Frame, E. Lancaster, A. Pietrycha, R. Edwards, and R. L. Thompson
 P12.5On low-level Thermodynamic parameters associated with tornadic and nontornadic supercells  extended abstract
Jonathan M. Davies, Private Meteorologist, Wichita, KS
 P12.6Multi-scale Analysis of the 13 October 2001 Central Gulf Coast Tornado Outbreak  
Dan Darbe, NOAA/NWS, Mobile, AL; and J. M. Medlin
 P12.7ELBOW 2001—studying the Relationship between Lake Breezes and Severe Weather: project overview and preliminary results  extended abstract
David M. L. Sills, MSC, King City, ON, Canada; and P. Taylor, P. King, W. Hocking, and I. Nichols
 P12.8Low-level moisture in the Eta model: an update (formerly paper 17.6)  
Geoffrey S. Manikin, NOAA/NWS/NCEP/EMC, Camp Springs, MD; and K. E. Mitchell, B. S. Ferrier, and S. J. Weiss
 
4:30 PM-5:30 PM, Thursday
Session 15 Tropical Cyclone Tornadoes and Low-Latitude Severe Storms
Organizer: Eugene W. McCaul, USRA, Huntsville, AL
15.1A Single-Doppler Radar Analysis of the Outer Rainband Mesocyclones Associated with Hurricane Opal of 4 October 1995  
Jeffrey M. Medlin, NOAA/NWSFO, Mobile, AL
4:30 PM15.2Tornado Distribution Associated with Hurricane Floyd 1999  extended abstract
Albert E. Pietrycha, Penn State Univ., University Park, PA; and C. D. Hannon
4:44 PM15.3Using High-Resolution Diagnostics to Facilitate the Short-Term Threat Assessment of Tornadoes during Tropical Storm Gabrielle  
David W. Sharp, NOAA/NWS, Melbourne, FL; and S. M. Spratt, P. F. Blottman, J. L. Case, and D. S. Kelly
4:59 PM15.4Mid-level dry intrusions as a factor in tornado outbreaks associated with landfalling tropical cyclones from the Atlantic and Gulf of Mexico  extended abstract
Lon Curtis, KWTX-TV, Waco, TX
5:14 PM15.5Numerical Investigation of the Role of Mid-Level Dryness on Tropical Mini-supercell Behavior  extended abstract
Glen Romine, University of Illinois, Urbana, IL; and R. B. Wilhelmson
 
8:00 PM-10:00 PM, Thursday
Evening Video/Slide Presentation
 
Friday, 16 August 2002
8:00 AM-9:59 AM, Friday
Session 16 Tornado and Severe Storms Environments
Organizer: Ed Szoke, CIRA/Colorado State Univ., Boulder, CO
8:00 AM16.1Investigating derecho and supercell proximity soundings  extended abstract
Jeffry S. Evans, NOAA/NWS/NCEP/SPC, Norman, OK; and C. A. Doswell
8:15 AM16.2A Database of Proximity Soundings for Significant Severe Thunderstorms, 1957–1993  extended abstract
Harold E. Brooks, NOAA/NSSL, Norman, OK; and J. P. Craven
8:30 AM16.3Baseline Climatology of Sounding Derived Parameters Associated with Deep, Moist Convection  extended abstract
Jeffrey P. Craven, NOAA/NWS/SPC, Norman, OK; and H. E. Brooks and J. A. Hart
8:45 AM16.4Hodograph variability within analytically modeled baroclinic waves  extended abstract
Peter C. Banacos, NOAA/NWS/SPC, Norman, OK; and H. B. Bluestein
9:00 AM16.5Significant tornadoes in environments with relatively weak shear  extended abstract
Jonathan M. Davies, Private Meteorologist, Wichita, KS
9:15 AM16.6A Preliminary Investigation of Supercell Longevity  extended abstract
Matthew J. Bunkers, NOAA/NWSFO, Rapid City, SD; and J. S. Johnson, J. M. Grzywacz, L. J. Czepyha, and B. A. Klimowski
16.7The Hoisington Kansas Tornado, 2001: Examining a Possible Meso-scale Tropopause Fold in Near Proximity to a Tornadic Suercell  
Jim Johnson, NOAA/NWS, Dodge City, KS, Dodge City, KS; and E. Rasmussen, A. Pietrycha, and J. Finch
9:29 AM16.7aSynoptic and mesoscale patterns associated with violent tornadoes across separate geographic regions of the United States: part I—surface characteristics (Formerly Paper JP1.4)  extended abstract
Chris Broyles, NOAA/NWS, Amarillo, TX; and N. Dipasquale and R. Wynne
9:44 AM16.8An examination of the contrasting evolution of two southeast United States cool-season severe weather episodes  extended abstract
Alicia C. Wasula, University at Albany/SUNY, Albany, NY; and L. F. Bosart, R. Schneider, and R. H. Johns
 
10:00 AM, Friday
COFFEE BREAK
 
10:30 AM-12:00 PM, Friday
Session 17 mesoscale processes and severe convection
Organizers: Paul Markowski, Penn State University, University Park, PA; Erik Rassmussen, CIMMS/University of Oklahoma and NOAA/NSSL, Norman, OK
10:30 AM17.1Mesoscale analysis of the dryline on 29 May 2001 with attendant severe convection  
Mark R. Conder, Texas Tech University, Lubbock, TX; and G. D. Skwira, C. B. Chang, A. L. Doggett, and R. E. Peterson
10:45 AM17.2Numerical simulation of a dryline-outflow boundary intersection  
Christopher C. Weiss, University of Oklahoma, Norman, OK; and H. B. Bluestein
11:00 AM17.3The impact of land-atmosphere interactions on the Benson, MN tornado of 11 June 2001  
Daniel R. Cheresnick, CIMMS/Univ. of Oklahoma, Norman, OK; and J. B. Basara
11:15 AM17.4The Oklahoma Tornado Outbreak and Flash Flood Event of 4–5 October 1998  extended abstract
Jonathan Racy, NOAA/NSSL/SPC, Norman, OK; and J. A. Rogash
11:30 AM17.5Soil moisture, land-atmosphere interaction, and the 6–7 May 2000 Missouri flash flood event  extended abstract
R. David Baker, Austin College, Sherman, TX; and Y. Wang, W. K. Tao, and P. Wetzel
11:45 AM17.6Paper has been moved to Poster Session P12, new paper number P12.8  
 

Browse the complete program of The 21st Conf. on Severe Local Storms and 19th Conf. on Weather Analysis and Forecasting/15th Conf. on Numerical Weather Prediction