* - Indicates paper has been withdrawn from meeting

Compact View of Conference

Sunday, 3 October 2004
	5:00 PM-7:00 PM, Sunday 1 Conference Registration
	8:00 PM-10:00 PM, Sunday Vortex - II
Monday, 4 October 2004
	7:30 AM, Monday 1 Conference Registration continues Through Friday October 7
	8:15 AM-8:30 AM, Monday Joint Session 11th Conference on Aviation, Range, and Aerospace and the 22nd Conference on Severe Local Storms Opening Remarks
Organizers: Yvette P. Richardson, Penn State University, University Park, PA; Timothy L. Wilfong, Sr., ENSCO, Inc, Boulder, CO
16A.1 Along-frontal kinematic and moisture variability and the impact on convection initiation   Tammy M. Weckwerth, NCAR, Boulder, CO; and C. R. Pettet
	8:30 AM, Monday Keynote Session Joint SLS and ARAM Keynote Addresses (Joint between the 11th Conference on Aviation, Range, and Aerospace and the 22nd Conference on Severe Local Storms)
Speaker: John Kern, Federal Aviation Administration, Washington, DC
	9:00 AM, Monday Keynote Session Joint SLS and ARAM Keynote Addresses (Joint between the 11th Conference on Aviation, Range, and Aerospace and the 22nd Conference on Severe Local Storms)
Organizer: Gen D.L. Johnson, Assistant Administrator for Weather Services, NOAA/NWS, Silver Sping, MD
	9:30 AM, Monday Keynote Session 1 Joint SLS and ARAM Keynote Addresses (Joint between the 22nd Conference on Severe Local Storms and the 11th Conference on Aviation, Range, and Aerospace)
Speaker: Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK
	10:00 AM, Monday 1 Coffee Break
	10:30 AM-12:00 PM, Monday Session 1 Technological advances in operations and warnings
Organizers: Alfred J. Bedard, Jr., ETL, Boulder, CO; Tim Samaras, Applied Research Associates, Inc., Littleton, CO
10:30 AM 1.1 The Infrasound network (ISNet): Background, design details, and display capability as a 88D adjunct tornado detection tool   Alfred J. Bedard Jr., NOAA/ETL, Boulder, CO; and B. W. Bartram, A. N. Keane, D. C. Welsh, and R. T. Nishiyama 10:45 AM 1.2 A Comparison of ISNet Data with Radar Data for Tornadic and Potentially Tornadic Storms in Northeast Colorado   Edward J. Szoke, NOAA/ERL/FSL, Boulder, CO; and A. J. Bedard, E. Thaler, and R. Glancy 11:00 AM 1.3 Acoustic Energy Measured From Mesocyclones and Tornadoes in June 2003   Jeffrey E. Passner, U. S. Army Research Laboratory, White Sands Missile Range, NM; and J. M. Noble 11:15 AM 1.4 Using Lightning Mapping Array data to predict the onset of cloud to ground lightning   V. Lakshmanan, CIMMS/Univ. of Oklahoma/NOAA/NSSL, Norman, OK; and K. D. Hondl, D. R. MacGorman, and T. M. Smith 11:30 AM 1.5 Flash Flood Warning Technology and Metrics   Matthew Kelsch, UCAR/COMET, Boulder, CO; and R. Koehler 11:45 AM 1.6 Maintaining Operational Readiness in a Warning Environment: Development and Use of the Situation Awareness Display System (SADS)   Elizabeth M. Quoetone, Warning Decision Training Branch, Norman, OK; and D. L. Andra, M. P. Foster, S. E. Nelson, and E. Mahoney
	12:00 PM, Monday 1 Lunch Break
	1:30 PM-3:00 PM, Monday Session 2 Tornado and Severe Storm Environments I
Organizers: Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK; Harold E. Brooks, NOAA/NSSL, Norman, OK
1:30 PM 2.1 Warm Sector Tornadoes with Discernible Surface Boundaries and Minimal Deep Layer Shea   Joshua M. Boustead, NOAA/NWS, Topeka, KS KS; and P. N. Schumacher 1:45 PM 2.2 The Evolution of Mesoscylcones and Tornadic Development Under Different Shear Profiles   Philip N. Schumacher, NOAA/NWS, Sioux Falls, SD; and J. M. Boustead and J. A. Chapman 2:00 PM 2.3 Accuracy of Rapid Update Cycle low-level jet forecasts   Barry Schwartz, NOAA/ERL/FSL, Boulder, CO; and K. Brundage 2:15 PM 2.4 Effective storm-relative helicity in supercell thunderstorm environments   Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and R. Edwards and C. M. Mead 2:30 PM 2.5 An examination of severe thunderstorm discrimination skills from traditional Doppler radar parameters and near storm environment (NSE) factors at large radar range   William E. Togstad, NOAA/NWS, Chanhassen, MN; and S. J. Taylor and J. L. Peters 2:45 PM 2.6 Environmental conditions associated with weak tornadoes across southern Virginia and northeast North Carolina in 2003 and 2004   Daniel H. Reilly, NOAA/NWS, Wakefield, VA
	3:00 PM, Monday 1 Formal Poster viewing with Coffee Break
	3:00 PM-4:30 PM, Monday Poster Session 1 TORNADO AND SEVERE STORM ENVIRONMENTS
P1.1 Effective bulk shear in supercell thunderstorm environments   Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and C. M. Mead and R. Edwards   P1.2 Assessment of anticyclonic supercell environments using close proximity soundings from the RUC model   Roger Edwards, SPC/NWS/NOAA, Norman, OK; and R. L. Thompson and C. M. Mead   P1.3 Tornadoes in a Deceptively Small CAPE Environment: The 4/20/04 Outbreak in Illinois and Indiana   Albert E. Pietrycha, NOAA/NWS, Romeoville, IL; and J. M. Davies, M. Ratzer, and P. Merzlock   P1.4 An early morning mid-Atlantic severe weather episode: short-lived tornadoes in a high-shear low-instability environment   Alan M. Cope, NOAA/NWSFO, Mount Holly, NJ   P1.5 The Father’s Day 2002 severe weather outbreak across New York and Western New England   Thomas A. Wasula, NOAA/NWS, Albany, NY   P1.6 A multiscale examination of the 31 May 1998 Mechanicville, New York, tornado   Kenneth LaPenta, NOAA/NWS, Albany, NY; and L. F. Bosart, T. J. Galarneau, and M. J. Dickinson
	3:00 PM-4:30 PM, Monday Poster Session 2 HAZARD MITIGATION, SOCIETAL IMPACTS, AND WARNINGS
P2.1 The Weather Event Simulator and opportunities for the severe storms community   Michael A. Magsig, CIMMS/Univ. of Oklahoma, Norman, OK; and N. M. Said, N. Levit, and X. Yu   P2.2 The Advanced Warning Operations Course (AWOC)   John T. Ferree, NOAA/NWS, Norman, OK; and E. M. Quoetone and M. A. Magsig   P2.3 The graphical severe weather warning initiative at the Fort Worth National Weather Service Office   William F. Bunting, NOAA/NWSFO, Fort Worth, TX; and L. Bucklew, P. Kirkwood, and S. Rae P2.4 Graphically depicting the hazardous weather in southern middle Tennessee and north Alabama   Brian C. Carcione, NOAA, Huntsville, AL; and C. P. Darden, T. W. Troutman, J. E. Burks, and J. T. Bradshaw   P2.5 Severe Local Storm Warnings: Challenges from the 04 March 2004 Event   Gregory R. Patrick, NOAA/NWS, Fort Worth, TX; and G. Woodall   P2.6 The role of litigation in the discovery of a probable undocumented F1 tornado in Munster, Indiana (27 June 1995)   Walter A. Lyons, FMA Research Inc., Fort Collins, MN   P2.7 Nonmeteorological factors in warning verification   Sarah Marie Davis, CIMMS/Univ. of Oklahoma, Norman, OK; and J. LaDue   P2.8 Overview of the ISNet data set and conclusions and recommendations from a March 2004 workshop to review ISNet data   Alfred J. Bedard Jr., ETL, Boulder, CO; and B. W. Bartram, B. Entwistle, J. Golden, S. Hodanish, R. M. Jones, R. T. Nishiyama, A. N. Keane, L. Mooney, M. Nicholls, E. J. Szoke, E. Thaler, and D. C. Welsh   P2.9 Infrasonic atmospheric propagation studies using a 3-D ray trace model   R. Michael Jones, CIRES/Univ. of Colorado, Boulder, CO; and E. S. Gu and A. J. Bedard   P2.10 Building damage issues in tornadoes   Timothy P. Marshall, Haag Engineering Co., Carrollton, TX
	4:30 PM-6:00 PM, Monday Session 3A Tornado and Severe Storm Environments II
Organizers: Steven M. Zubrick, NOAA/NWSFO, Sterling, VA; Jason J. Levit, NOAA/NWS/NCEP/SPC, Norman, OK
4:30 PM 3A.1 The structure and climatology of boundary layer winds in the Southeast United States and its relationship to nocturnal tornado episodes   Alicia C. Wasula, SUNY, Albany, NY; and L. F. Bosart, R. S. Schneider, S. J. Weiss, R. H. Johns, G. S. Manikin, and P. Welsh 4:45 PM 3A.2 An observationally based hypothesis for significant tornadogenesis in mountain environments   Anton Seimon, Columbia University, Palisades, NY; and L. F. Bosart 5:00 PM 3A.3 Identifying severe thunderstorm environments in southern Brazil: analysis of severe weather parameters   Ernani L. Nascimento, Instituto Tecnológico SIMEPAR, Curitiba, PR, Brazil 5:15 PM 3A.4 Analysis of a Texas tornado outbreak involving three modalities of enhanced tornadogenesis   Lon Curtis, KWTX-TV, Waco, TX 5:30 PM 3A.5 A study of the pre-storm environment of tornadic quasi-linear convective systems   Elaine S. Godfrey, Univ. of Oklahoma, Norman, OK; and R. J. Trapp and H. E. Brooks 5:45 PM 3A.6 A case study of three severe Tornadic storms in Alberta, Canada   Max Dupilka, University of Alberta, Edmonton, AB, Canada; and G. Reuter
	4:30 PM-5:45 PM, Monday Session 3B Hazard Mitigation, Societal Impacts, and Warnings
Organizers: Al Moller, NOAA/NWS, Fort Worth, TX; Ray A. Wolf, NOAA/NWS, Davenport, IA
4:30 PM 3B.1 Potential insurance losses from a major tornado outbreak: the 1974 Super Outbreak example   Kyle A. Beatty, Risk Management Solutions, Inc., Newark, CA 4:45 PM 3B.2 The enhanced Fujita (EF) scale   Timothy P. Marshall, Haag Engineering Co., Carrollton, TX; and J. R. McDonald and G. S. Forbes 5:00 PM 3B.3 Turn Around Don't Drown (TM)   Hector Guerrero, NOAA/NWS, San Angelo, TX; and K. Boyd, D. Cain, and L. Chapman 5:15 PM 3B.4 Interactive mesoscale objective analysis in the National Weather Service’s Graphical Forecast Editor   J. Brad McGavock, NOAA/NWSFO, Tulsa, OK; and S. F. Piltz and J. M. Frederick 5:30 PM 3B.5 Analysis of tornadoes casualties using the census tract tornado path dataset   Kevin M. Simmons, Austin College, Sherman, TX; and D. Sutter 3B.6 21st Century NWS Warning Communications- The Future of Warning Dissemination is Here   Timothy W. Troutman, NOAA, Huntsville, AL; and K. E. Graham and F. D. Borden
	6:00 PM-8:00 PM, Monday Icebreaker Reception
	6:00 PM, Monday 1 sessions end for the day
	8:00 PM, Monday Weather Event Simulator Demonstration
Tuesday, 5 October 2004
	8:00 AM-10:00 AM, Tuesday Session 4 Results from the BOW Echo and MCV Experiment (BAMEX) I
Organizers: Robert J. Trapp, Purdue University, West Lafayette, IN; George Bryan, NCAR, Boulder, CO
8:00 AM 4.1 An Overview of the Bow Echo and MCV Experiment (BAMEX)   Christopher A. Davis, NCAR, Boulder, Colorado; and M. L. Weisman 8:30 AM 4.2 An assessment of convective system structure, cold pool properties, and environmental shear using observations from BAMEX   George H. Bryan, NCAR, Boulder, CO; and D. A. Ahijevych, C. A. Davis, M. L. Weisman, and R. Przybylinski 8:45 AM 4.3 Radar and damage analysis of bow echoes observed during BAMEX   Dustan M. Wheatley, Purdue University, West Lafayette, IN; and R. J. Trapp and N. T. Atkins 9:00 AM 4.4 MIPS Observations of Bow Echoes during BAMEX   Dustin Phillips, University of Alabama, Huntsville, AL; and K. Knupp 9:15 AM 4.5 DAMAGING SURFACE WIND MECHANISMS WITHIN THE 10 JUNE 2003 ST. LOUIS BOW ECHO EVENT DURING BAMEX   Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and C. Bouchard, R. Przybylinski, R. J. Trapp, and G. Schmocker 9:30 AM 4.6 Rear-inflow evolution in a non-severe bow-echo observed by airborne Doppler radar during BAMEX   David P. Jorgensen, NOAA, Norman, OK; and H. Murphey and R. M. Wakimoto 9:45 AM 4.7 Structure and evolution of an intense squall line with trailing stratiform precipitation   Justin T. Walters, University of Alabama, Huntsville, AL; and K. Knupp
	10:30 AM-12:00 PM, Tuesday Session 5 Results from the Bow Echo and MCV Experiment (BAMEX) II
Organizers: Morris L. Weisman, NCAR, Boulder, CO; Kevin R. Knupp, University of Alabama, Huntsville, AL
10:30 AM 5.1 Mesoscale convective vortices observed during BAMEX, Part I: Kinematic and thermodynamic structure   Christopher Davis, NCAR, Boulder, CO; and S. B. Trier 10:45 AM 5.2 Mesoscale convective vortices observed during BAMEX. Part II: Influences on convection initiation   Stanley B. Trier, NCAR, Boulder, CO; and C. A. Davis 11:00 AM 5.3 DOPPLER OBSERVATIONS OF MCV STRUCTURE DURING BAMEX IOP1   Paul D. Reasor, Florida State University, Tallahassee, FL; and M. T. Montgomery and M. M. Bell 11:15 AM 5.4 The long-lived MCV of 11-13 June 2003 during BAMEX   Thomas J. Galarneau Jr., SUNY, Albany, NY; and L. F. Bosart 11:30 AM 5.5 Assimilation of BAMEX Observations with an Ensemble Kalman Filter   Fuqing Zhang, Texas A&M University, College Station, TX; and Z. Meng, D. Hawblitzel, C. A. Davis, and C. Snyder 11:45 AM 5.6 System-relative distribution of atmospheric soundings obtained during BAMEX   D. A. Ahijevych, NCAR, Boulder, CO; and G. Bryan, C. A. Davis, J. C. Knievel, S. B. Trier, and M. Weisman
	12:00 PM, Tuesday Session 1 Lunch Break (Joint between the 11th Conference on Aviation, Range, and Aerospace and the 22nd Conference on Severe Local Storms)
	1:30 PM-3:00 PM, Tuesday Joint Session 1 Joint Session with 22nd Conference on Severe Local Storms and 11th Conference on Aviation, Range, and Aerospace Meteorology (Joint between the 22nd Conference on Severe Local Storms and the 11th Conference on Aviation, Range, and Aerospace)
1:30 PM J1.1 Thunderstorm initiation and evolution during IHOP: implications for aviation thunderstorm nowcasting   James W. Wilson, NCAR, Boulder, CO; and R. D. Roberts 1:45 PM J1.2 Prediction of Fort Worth Tornadic Thunderstorms using 3DVAR and Cloud analysis with WSR-88D Level-II Data   Ming Hu, University of Oklahoma, Norman, OK; and M. Xue, K. Brewster, and J. Gao 2:00 PM J1.3 Hail detection during the Joint POLarization Experiment (JPOLE)   Pamela L. Heinselman, CIMMS/Univ. of Oklahoma, Norman, OK; and A. V. Ryzhkov 2:15 PM J1.4 Forecasting Convective Initiation by Monitoring the Evolution of Moving Cumulus in Daytime GOES Imagery   Kristopher M. Bedka, CIMSS/Univ. of Wisconsin, Madison, WI; and J. R. Mecikalski, S. J. Paech, T. Berendes, and U. S. Nair 2:30 PM J1.5 A new approach for mesoscale surface analysis: the space-time mesocale analysis system   Steven E. Koch, NOAA/FSL, Boulder, CO; and Y. Xie, N. Wang, J. A. McGinley, P. A. Miller, and S. Albers 2:45 PM J1.6 A 13-km RUC AND BEYOND: RECENT DEVELOPMENTS AND FUTURE PLANS   Stanley G. Benjamin, NOAA/ESRL/GSD, Boulder, CO; and T. G. Smirnova, K. Brundage, S. S. Weygandt, T. L. Smith, B. Schwartz, D. Dévényi, J. M. Brown, and G. A. Grell
	1:30 PM-3:00 PM, Tuesday Session 6 Mesoscale Convective Systems
Organizers: Matthew D. Parker, University of Nebraska, Lincoln, NE; Lawrence D. Carey, Texas A&M University, College Station, TX
1:30 PM 6.1 A discretely propagating nocturnal Oklahoma squall line: Observations and numerical simulations   Robert G. Fovell, University of California, Los Angeles, CA; and B. Rubin-Oster and S. H. Kim 1:45 PM 6.2 The interaction of simulated squall lines with idealized terrain   Jeffrey Frame, Penn State University, University Park, PA; and P. Markowski 2:00 PM 6.3 Simulated convective lines with parallel precipitation   Matthew D. Parker, University of Nebraska, Lincoln, NE 2:15 PM 6.4 A High Resolution Numerical Simulation of a Midwestern Quasi-Linear Convective System   Jason T. Martinelli, Creighton University, Omaha, NE; and R. W. Pasken and Y. J. Lin 2:30 PM 6.5 Environmental precursors to mesoscale convective system development   Israel L. Jirak, Colorado State University, Fort Collins, CO; and W. R. Cotton 2:45 PM 6.6 The 49th Parallel severe rainstorm - An example of elevated thunderstorms and their impact, June 8 to 11, 2002   James D. Cummine, MSC, Winnipeg, MB, Canada; and B. P. Murphy and R. P. Ford
	3:00 PM, Tuesday 1 Formal Poster viewing with Coffee Break
	3:00 PM-4:30 PM, Tuesday Poster Session 3 Results from the Bow Echo and MCV Experiment (BAMEX)
P3.1 Dynamics and Predictability of MCVs Estimated through High-Resolution Deterministic and Probabilistic (Ensemble) Forecasts   Dan Hawbliztel, Texas A&M University, College Station, TX; and F. Zhang, Z. Meng, and C. A. Davis   P3.2 Convective cold pool structure from BAMEX dropwindsonde and surface analysis   James Correia Jr., Iowa State University, Ames, IA; and R. W. Arritt   P3.3 Characteristics and storm evolution associated with the 30 May 2003 tornadic event over central Illinois   Edward Holicky, NOAA/NWSFO, Lincoln, IL; and R. W. Przybylinski   P3.4 Investigation of the 31 May 2003 MCS with leading stratiform precipitation from BAMEX   Brandon A. Storm, University of Nebraska, Lincoln, NE; and M. D. Parker   P3.5 22 June 2003 BAMEX observations of a convective line with parallel precipitation   Eve A. Halligan, University of Nebraska, Lincoln, NE; and M. D. Parker   P3.6 Observations of turbulence during BAMEX missions   Diana L. Bartels, NOAA/ERL/FSL, Boulder, CO; and F. Caracena, B. D. Jamison, S. E. Koch, and E. I. Tollerud   P3.7 Some caution on the use of severe wind reports in post-event assessment and research   Robert J. Trapp, Purdue University, West Lafayette, IN; and D. M. Wheatley, N. T. Atkins, and R. W. Przybylinski
	3:00 PM-4:30 PM, Tuesday Poster Session 4 Mesoscale Convective Systems and Convectively Driven High Wind Events
P4.1 Post mesoscale convective system convection   James LaDue, NOAA/NWS/WDTB, Norman, OK   P4.2 Mesoscale analysis of the cavendish, VT bow-echo tornado on 21 July 2003   Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and B. Taber   P4.3 MESOCYCLONE INDUCED SEVERE WINDS WITHIN DERECHO PRODUCING MESOSCALE CONVECTIVE SYSTEMS (DMCSs)   Shawn M. Liebl, Texas Tech University, Lubbock, TX; and R. E. Peterson   P4.4 Derecho families   Walker S. Ashley, University of Georgia, Athens, GA; and T. L. Mote and M. L. Bentley   P4.5 Cellular structures in simulated squall lines with moist absolutely unstable layers   George Bryan, NCAR, Boulder, CO; and R. Rotunno   P4.6 Observations From The 13 April 2004 Wake Low Damaging Wind Event in South Florida   Robert R. Handel, NOAA/NWS, Miami, FL; and P. Santos   P4.7 A preliminary investigation of derecho-producing MCSs in environments of very low dewpoints   Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK; and D. A. Imy, S. J. Taylor, and A. Logan   P4.8 A multi-platform analysis of the Central Texas floods of May 13, 2004   Lon Curtis, KWTX-TV, Waco, TX; and A. R. Moller   P4.9 The severe thunderstorm outbreak in Finland on 5 July 2002   Ari-Juhani Punkka, Finnish meteorological Institute, Helsinki, Finland; and J. Teittinen
	3:00 PM-4:30 PM, Tuesday Poster Session 5 CLIMATOLOGICAL STUDIES OF SEVERE STORMS
P5.1 Tornado Outbreak Days: an updated and expanded climatology (1875-2003)   Russell Schneider, NOAA/NCEP/SPC, Norman, OK; and J. T. Schaefer and H. E. Brooks   P5.2 The Super Outbreak: Outbreak of the Century   Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK   P5.3 Non-convective windstorms in the Midwest United States: surface and satellite climatologies   John A. Knox, University of Georgia, Athens, GA   P5.4 Intensity and temporal distributions of tornadoes from quasi-linear convective systems   Elaine S. Godfrey, Univ. of Oklahoma, Norman, OK; and R. J. Trapp, H. E. Brooks, and S. A. Tessendorf   P5.5 A climatology of severe weather reports as a function of convective system morphology   Nathan Snook, Iowa State University, Ames, IA; and W. A. Gallus   P5.6 Evidence of Smaller Tornado Alleys Across the United States Based on a Long Track F3-F5 Tornado Climatology Study from 1880-2003   Chris Broyles, NOAA/NWS/SPC, Norman, OK; and C. Crosbie   P5.7 A Comparison of Rawinsonde Data from the Southeastern United States During El Nino, La Nina, and Neutral Winters   Victoria Lynn Sankovich, Penn State University, University Park, PA; and J. T. Schaefer and J. J. Levit   P5.8 A Climatology of Synoptic Conditions which produced Significant Tornadoes across the Southern Appalachian Region   David M. Gaffin, NOAA/NWS, Morristown, TN; and S. S. Parker
	4:30 PM-6:00 PM, Tuesday Session 7A Convectively Driven High Wind Events
Organizers: Ronald W. Przybylinski, NOAA/NWS, St. Charles, MO; Glenn A. Field, NOAA/NWS, Taunton, MA
4:30 PM 7A.1 Using RUC-2 analysis parameters to identify severe convective wind environments   Evan L Kuchera, Air Force Weather Agency, Offutt AFB, NE; and M. D. Parker 4:45 PM 7A.2 Hazards of long-lived, convectively generated high wind events in the United States   Walker S. Ashley, University of Georgia, Athens, GA; and T. L. Mote 5:00 PM 7A.3 MIPS Observations of a Heat Burst Event   Kevin R. Knupp, University of Alabama, Huntsville, AL; and K. R. Knupp and J. Walters 5:15 PM 7A.4 Severe thunderstorm radar signatures of 5 July 2002 derecho in Finland   Jenni Teittinen, Finnish Meteorological Institute, Helsinki, Finland; and A. J. Punkka 5:30 PM 7A.5 The Interaction of a High-Precipitation Supercell Thunderstorm and Bow Echo to Produce a Prolonged Severe Wind Event in East Central Missouri   James E. Sieveking Jr., NOAA/NWSFO, Saint Charles, MO; and R. Przybylinski 5:45 PM 7A.6 Extreme wind events observed in the 2002 Thunderstorm Outflow Experiment   Kirsten D. Gast, Texas Tech University, Lubbock, TX; and J. L. Schroeder
	4:30 PM-6:00 PM, Tuesday Session 7B Climatological Studies of Severe Storms
Organizers: John P. Monteverdi, San Francisco State Univ., San Francisco, CA; Eugene W. McCaul, Jr., USRA, Huntsville, AL
4:30 PM 7B.1 Climatological aspects of convective parameters from the NCAR/NCEP reanalysis   Harold E. Brooks, NOAA/NSSL, Norman, OK; and A. R. Anderson 4:45 PM 7B.2 Proposals for modernizing definitions of tornado and severe thunderstorm outbreaks   Roger Edwards, SPC/NWS/NOAA, Norman, OK; and R. L. Thompson, C. Crosbie, J. A. Hart, and C. A. Doswell 5:00 PM 7B.3 Leveling the field for tornado reports through time: Inflation-adjustment of annual tornado reports and objective identification of extreme tornado reports   Stephanie M. Verbout, University of Oklahoma, Norman, OK; and L. M. Leslie, H. E. Brooks, and S. L. Bruening 5:15 PM 7B.4 A preliminary climatology of tornado events with closed cold core 500 mb lows in the central and eastern United States   Jonathan M. Davies, Wichita, KS; and J. L. Guyer 5:30 PM 7B.5 The Tornadoes in Ontario Project (TOP)   David M. L. Sills, MSC, Toronto, ON, Canada; and S. J. Scriver and P. W. S. King 5:45 PM 7B.6 Lower Michigan MCS Climatology: Trends, Pattern Types, and Marine Layer Impacts   Randy Graham, NOAA/NWS, Salt Lake City, UT; and M. L. Bentley, J. A. Sparks, B. Dukesherer, and J. S. Evans
	6:00 PM, Tuesday sessions end for the day
	8:00 PM-10:00 PM, Tuesday Video Session
Wednesday, 6 October 2004
	8:00 AM-10:00 AM, Wednesday Session 8B Radar and Multi-Sensor Applications
Organizers: Mark Askelson, University of North Dakota, Grand Forks, ND; Gregory J. Stumpf, CIMMS/Univ. of Oklahoma/NOAA/NWS/MDL, Norman, OK
8:00 AM 8B.1 Tornado spectral signature observed by WSR-88D   Tian-You Yu, University of Oklahoma, Norman, OK; and A. Shapiro, D. S. Zrnic, M. P. Foster, D. L. Andra, R. J. Doviak, and M. B. Yeary 8:15 AM 8B.2 WSR-88D radar characteristics of quasi-linear convective system tornadoes using the NSSL Severe Storm Analysis Program   Kevin L. Manross, CIMMS/Univ. of Oklahoma/NOAA/NSSL, Norman, OK; and R. J. Trapp and G. J. Stumpf 8:30 AM 8B.3 Polarimetric Radar Observations of Tornadic Debris Signatures   Terry J. Schuur, Univ. of Oklahoma/CIMMS/NOAA/NSSL, Norman, OK; and A. V. Ryzhkov, D. W. Burgess, and D. S. Zrnic 8:45 AM 8B.4 Integration of the Warning Decision Support System - Integrated Information (WDSS-II) into the NOAA Storm Prediction Center   Jason J. Levit, NOAA/NWS/NCEP/SPC, Norman, OK; and V. Lakshmanan, K. L. Manross, and R. Schneider 9:00 AM 8B.5 A quasi-objective method for discrimination of supercell archetypes using the WSR-88D   Kyle A. Beatty, Risk Management Solutions, Inc., Newark, CA; and J. M. Straka, E. N. Rasmussen, and L. R. Lemon 9:15 AM 8B.6 A four-dimensional radar analysis tool for AWIPS   Gregory J. Stumpf, CIMMS/Univ. of Oklahoma/NOAA/NWS/MDL, Norman, OK; and M. T. Filiaggi, V. Lakshmanan, W. F. Roberts, M. J. Istok, and S. B. Smith 9:30 AM 8B.7 Overview of spring 2004 WDSS-II demonstration at WFO Norman   Kevin Scharfenberg, CIMMS/Univ. of Oklahoma, Norman, OK; and D. J. Miller, D. L. Andra, and M. Foster 9:45 AM 8B.8 Comparison of Infrasonic data and Doppler velocity radar data: A case study of the 16 June 2004 tornadic supercell over the southeast Colorado plains   Stephen J. Hodanish, NOAA/NWSFO, Pueblo, CO
	8:15 AM-9:30 AM, Wednesday Session 8A High-Resolution Numerical Modeling and Prediction of Severe Storms and Tornadoes I
Organizers: William Gallus, Iowa State University, Ames, IA; Nolan T. Atkins, Lyndon State College, Lyndonville, VT
8A.1 Sequential storm-scale data assimilation of polarimetric radar observations using an ensemble Kalman filter   Glen S. Romine, University of Illinois, Urbana, IL; and R. Wilhelmson and D. C. Dowell 8:15 AM 8A.2 Assimilation of radar observations of a supercell storm using 4DVar: Parameter retrieval experiments   N. Andrew Crook, NCAR, Boulder, CO; and D. C. Dowell, J. Sun, and Y. Zhang 8:30 AM 8A.3 Preliminary numerical simulations of infrasound generation processes by severe weather using a fully compressible numerical model   Melville E. Nicholls, Colorado State University, Fort Collins, CO; and R. A. Pielke Sr. and A. J. Bedard 8:45 AM 8A.4 The sensitivity of simulated convective storms to variations in prescribed microphysics parameters   Charles Cohen, USRA, Huntsville, AL; and E. W. McCaul 9:00 AM 8A.5 The initiation, longevity and morphology of simulated convective storms as a function of free-tropospheric relative humidity   Eugene W. McCaul Jr., USRA, Huntsville, AL; and C. Cohen 8A.6 The morphology of Multiple Simulated Supercells: Sensitivity experiments to timing and spacing of cell initiation and microphysics   Lee M. Cronce, University of Illinois, Urbana, IL; and R. B. Wilhelmson 9:15 AM 8A.7 The motion of simulated convective storms as a function of basic environmental parameters   Cody Kirkpatrick, University of Alabama, Huntsville, AL; and E. W. McCaul 8A.8 The role of cell interaction on storm intensity and longevity   Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. B. Wilhelmson
	10:00 AM, Wednesday 1 Coffee Break
	10:30 AM-12:00 PM, Wednesday Session 9 High-Resolution Numerical Modeling and Prediction of Severe Storms and Tornadoes II
Organizers: Louis J. Wicker, NSSL, Norman, OK; Yvette P. Richardson, Penn State University, University Park, PA
10:30 AM 9.1 Analysis of simulated supercell tornadogenesis   Glen Romine, University of Illinois, Urbana, IL; and L. Wicker and M. S. Gilmore 10:45 AM 9.2 The influence of temporally-varying vertical wind shear on numerically simulated convective storms   Jaclyn Kost, Penn State University, University Park, PA; and Y. P. Richardson 11:00 AM 9.3 The sensitivity of a simulated supercell to emulated radiative cooling beneath the anvil   Paul Markowski, Penn State University, University Park, PA; and J. Harrington 11:15 AM 9.4 Numerical simulations of the 29 June STEPS supercell   Kristin M. Kuhlman, University of Oklahoma, Norman, OK; and E. R. Mansell, C. Ziegler, D. MacGorman, and J. M. Straka 11:30 AM 9.5 Evolution of tornado-like vortices in a numerically simulated supercell thunderstorm   Leigh Orf, Central Michigan University, Mount Pleasant, MI; and R. B. Wilhelmson 11:45 AM 9.6 Tornadogenesis within a Simulated Supercell Storm   Ming Xue, University of Oklahoma, Norman, OK
	12:00 PM, Wednesday 1 Lunch Break
	1:30 PM-3:00 PM, Wednesday Session 10 Synoptic and Mesoscale Processes and Severe Convection
Organizers: Lance F. Bosart, SUNY, Albany, NY; Fuqing Zhang, Texas A&M University, College Station, TX
1:30 PM 10.1 On the importance of processes in the dry air upon convective initiation along the dryline   Carl E. Hane, NOAA/NSSL, Norman, OK; and H. Richter 1:45 PM 10.2 Convection initiation and misocyclone development: Is there a link?   Katja Friedrich, CIRES/Univ. of Colorado, Boulder, CO; and D. Kingsmill and C. Young 2:00 PM 10.3 The role of preexisting thermal boundaries in the maintenance and rotation of deep convection in high-CAPE, low-shear environments   Adam L. Houston, University of Illinois, Urbana, IL; and R. B. Wilhelmson 2:15 PM 10.4 An Examination of Two Atypical Severe Weather Episodes in the Northern Plains: The Role of Jet-"Front" Interaction   Jeffrey A. Chapman, NOAA/NWS, Sioux Falls, SD; and P. N. Schumacher 2:30 PM 10.5 How upper-level shear can promote organized convective systems   Michael C. Coniglio, NOAA/NSSL/University of Oklahoma, Norman, OK; and D. J. Stensrud and L. J. Wicker 2:45 PM 10.6 Do supercell thunderstorms play a role in the equilibrium of the large-scale atmosphere?   Robert J. Trapp, Purdue University, West Lafayette, IN; and C. A. Doswell and M. Huber
	3:00 PM, Wednesday 1 Formal Poster viewing with Coffee Break
	3:00 PM-4:30 PM, Wednesday Poster Session 6 High Resolution Numerical Modeling and Prediction of Severe Storms and Tornadoes
P6.1 The influence of horizontally-varying CAPE and vertical shear on numerically-simulated convective storms   Jeffrey A. Kron, Penn State University, University Park, PA; and Y. P. Richardson   P6.2 An evaluation of "RKW Theory" using a model intercomparison   George H. Bryan, NCAR, Boulder, CO; and J. Knievel and M. D. Parker   P6.3 Idealized simulations of the 20 April 2004 Utica, IL supercell   Adam L. Houston, University of Illinois, Urbana, IL; and G. S. Romine, L. M. Cronce, M. S. Gilmore, B. F. Jewett, and R. B. Wilhelmson   P6.4 Evaluation of high-resolution forecasts of severe weather: case study examples   James F. Bresch, NCAR, Boulder, CO   P6.5 Behind the "supertwister": experiences in science education at NCSA   Matthew S. Gilmore, University of Illinois, Urbana, IL; and R. Patterson, G. S. Romine, L. J. Wicker, R. B. Wilhelmson, A. Betts, D. Cox, L. Cronce, M. Hall, L. Leonard, S. Levy, and M. A. Straka
	3:00 PM-4:30 PM, Wednesday Poster Session 7 Radar and Multi-Sensor Applications
P7.1 Thunderstorm types associated with the “Broken-S” Radar Signature   Richard H. Grumm, NOAA/NWS, University Park, PA   P7.2 A variational, pseudo-multiple Doppler radar analysis technique for mobile, ground-based radars   Christopher C. Weiss, Texas Tech University, Lubbock, TX; and H. B. Bluestein and A. Pazmany   P7.3 Observations of the two-dimensional wind field in severe convective storms using a mobile, X-band, Doppler radar with a spaced antenna   Andrew Pazmany, University of Massachusetts, Amherst, MA; and H. B. Bluestein, M. French, and S. Frasier   P7.4 Simulated WSR-88D measurements of a tornado having a weak reflectivity center   Vincent T. Wood, NOAA/NSSL, Norman, OK; and D. C. Dowell and R. A. Brown   P7.5 Radar Documentation of a Cyclic Supercell in the San Joaquin Valley, California   Theodore B. Schlaepfer, San Francisco State Univ., San Francisco, CA; and J. P. Monteverdi   P7.6 Comparisons of Doppler velocity tornadic vortex signatures with signatures from model vortices   Rodger A. Brown, NOAA/NSSL, Norman, OK; and V. T. Wood   P7.7 AWIPS radar and warning strategies using multiple virtual desktops   Josh Korotky, NOAA/NWS, Pittsburgh, PA   P7.8 New Hail Diagnostic Parameters Dervied by Integrating Multiple Radars and Multiple Sensors   Gregory J. Stumpf, CIMMS/Univ. of Oklahoma/NOAA/NWS/MDL, Norman, OK; and T. M. Smith and J. Hocker
	3:00 PM-4:30 PM, Wednesday Poster Session 8 Synoptic and Mesoscale Processes and Severe Local Storms Forecasting
P8.1 An update to the supercell composite and significant tornado parameters   Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; and R. Edwards and C. M. Mead   P8.2 The simulation of high-precipitation supercells on preexisting boundaries in multicellular environments   Adam L. Houston, Purdue University, West Lafayette, IN; and R. B. Wilhelmson   P8.3 Studies on calculating convective energy with different moist adiabatic processes   Yaodong Li, Beijing Aviation Meteorological Institute, Beijing, China; and J. Liu   P8.4 Forecasting cloud-to-ground lightning data with AFWA-MM5 model data using the “Bolt Of Lightning Technique” (BOLT) algorithm   David L. Keller, Air Force Weather Agency, Offutt AFB, NE   Paper P8.5 Moved to 11A.3A     P8.6 Florida severe storm indicators   Frank W. Alsheimer, NOAA/NWSFO, Ruskin, FL; and J. A. States and C. H. Paxton   P8.7 Heavy convective rain events over Québec: a forecasting tool   Serge Mainville, EC, St-Laurent, QC, Canada   P8.8 Explicit simulations of convective-scale transport of mineral dust in severe convective weather   Tetsuya Takemi, Tokyo Institute of Technology, Yokohama, Japan
	3:00 PM-4:30 PM, Wednesday Poster Session 9 Flooding and Hailstorms
P9.1 The Dallas-Ft. Worth, TX hailstorm: 5 April 2003   Timothy P. Marshall, Haag Engineering Co., Carrollton, TX; and R. F. Herzog, E. D. Mitchell, and S. Rae   P9.2 Hail damage to Tile Roofing   Timothy P. Marshall, Haag Engineering Co., Carrollton, TX; and R. F. Herzog, S. J. Morrison, and S. R. Smith   P9.3 Hail Damage to Built-up Roofing   Timothy P. Marshall, Haag Engineering Co., Carrollton, TX; and S. J. Morrison   P9.4 Hail damage to asphalt roof shingles   Timothy P. Marshall, Haag Engineering Co., Carrolloton, TX; and R. F. Herzog and S. Morrison   P9.5 Evaluation of an Alberta Hail Growth Model Using Severe Hail Proximity Soundings in the United States   Ryan Jewell, NOAA, Norman, OK; and J. C. Brimelow   P9.6 Severe thunderstorms of 3 April 2004: an examination of a dry-season severe weather event in the Borderland   Michael P. Hardiman, NOAA/NWSFO, Santa Teresa, NM; and J. A. Rogash   P9.7 The 2004 April Fool's New England Flooding Event: Analysis of Three Heavy Precipitation Episodes Associated with a Slow Moving Cutoff Cyclone   David R. Novak, NOAA/NWS, Camp Springs, MD; and A. Ayyier   P9.8 Low-Level Boundary Intensification and Convective Regeneration in the Lower Mississippi River Valley Region Severe Weather and Flash Flood Event of April 6-7 2003   Eric E. Carpenter, NOAA/NWS, Jackson, MS; and J. P. Gagan   P9.9 (Formerly poster P15.2) The 12 November 2003 Los Angeles Hailstorm   Robert G. Fovell, University of California, Los Angeles, CA
	4:30 PM-6:15 PM, Wednesday Session 11A Severe Local Storms Forecasting
Organizers: Richard L. Thompson, NOAA/NSSL/SPC, Norman, OK; Tracy Lorraine Smith, NOAA/Forecast Systems Laboratory, Boulder, CO
4:30 PM 11A.1 Moisture flux convergence: its history and application in convective initiation forecasting   Peter C. Banacos, NOAA/NWS/NCEP/SPC, Norman, OK; and D. M. Schultz 4:45 PM 11A.2 Forecasting short term convective mode and evolution for severe storms initiated along synoptic boundaries   Greg Leander Dial, NOAA/NWS, Norman, OK; and J. P. Racy 11A.3 A technique for diagnosing the likely occurrence and severity of convection   Sara L. Bruening, University of Wisconsin, Milwaukee, WI; and P. J. Roebber 5:00 PM 11A.3A Characteristics of a tornado outbreak associated with the remnants of Tropical Storm Bill   Paul A. Yura, NOAA/NWS, Charleston, SC; and D. P. St. Jean 5:15 PM 11A.4 Leveraging the Combined Strengths of Local Mesoscale Modeling and Local Forecaster Intelligence to Refine Convective Threat Assessments   David W. Sharp, NOAA/NWS, Melbourne, FL 5:30 PM 11A.5 An automated “3-Element” algorithm for forecasting severe weather using AFWA MM5 model output data   David L. Keller, Air Force Weather Agency, Offutt AFB, NE 5:45 PM 11A.6 Exploring hodograph-based techniques to estimate the velocity of right-moving supercells   Hamish Andrew Ramsay, CIMMS/Univ. of Oklahoma, Norman, OK; and C. A. Doswell
	4:30 PM-6:00 PM, Wednesday Session 11B Flooding and Hailstorms
Organizers: Matthew S. Gilmore, University of Illinois, Urbana, IL; Timothy P. Marshall, Haag Engineering Co., Carrollton, TX
4:30 PM 11B.1 Record hail event -- Examination of the Aurora, Nebraska supercell of 22 June 2003   Jared L. Guyer, NOAA/NWS, Norman, OK; and R. Ewald 4:45 PM 11B.2 Climatological aspects of south-eastern Australian hailstorms and applications using Radar data   Sandra Sigrid Schuster, Macquarie University, Sydney, New South Wales, Australia; and R. J. Blong and M. S. Speer 5:00 PM 11B.3 An analysis of severe hail swaths in the Southern Plains of the United States   Daniel R. Cheresnick, Oklahoma Climatological Survey and University of Oklahoma, Norman, OK; and J. B. Basara and E. D. Mitchell 5:15 PM 11B.4 Three Decades of In Situ Observations Inside Thunderstorms   Andrew Detwiler, South Dakota School of Mines and Technology, Rapid City, SD; and P. L. Smith, G. N. Johnson, D. V. Kliche, and T. A. Warner 5:30 PM 11B.5 The impact of tropical rainfall rates on flash flood detection   Robert S. Davis, NOAA/NWS, Pittsburgh, PA 5:45 PM 11B.6 Comparing Analysis on 3-D Kinematic Structure of Rainfall on Mei-yu Front by Dual- and Triple-Doppler Radar   Haiguang Zhou Sr., Chinese Academy of Meteorological Sciences, Beijing, China
	6:00 PM, Wednesday sessions end for the day
	7:30 PM-9:30 PM, Wednesday Banquet - Hyline Dinner Cruise
Thursday, 7 October 2004
	7:00 AM, Thursday 1 Thur 7 October
	8:00 AM-10:00 AM, Thursday Session 12 Studies of the May 2003 tornado outbreaks
Organizers: Mike Magsig, CIMMS/Univ. of Oklahoma/NWS, Norman, OK; Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK
8:00 AM 12.1 Tornado Outbreak Day Sequences: historic events and climatology (1875-2003)   Russell Schneider, NOAA/NCEP/SPC, Norman, OK; and H. E. Brooks and J. T. Schaefer 8:15 AM 12.2 On the motion and interaction between left- and right-moving supercells on 4 May 2003   Daniel T. Lindsey, CIRA/Colorado State Univ., Fort Collins, CO; and M. J. Bunkers 8:30 AM 12.3 Signatures in Lightning Activity during Tennessee Valley Severe Storms of 5-6 May 2003   Patrick N Gatlin, GHCC, Huntsville, AL; and S. J. Goodman 8:45 AM 12.4 High resolution analyses of the 8 May 2003 Oklahoma City storm, part 1: Storm structure and evolution from radar data   Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK 9:00 AM 12.5 High resolution analyses of the 8 May 2003 Oklahoma City storm. Part II: EnKF data assimilation and forecast experiments   David C. Dowell, CIMMS/Univ. of Oklahoma, Norman, OK; and L. J. Wicker and D. J. Stensrud 9:15 AM 12.6 High-resolution analyses of the 8 May 2003 Oklahoma City storm. Part III: An ultra-high resolution forecast experiment   Louis J. Wicker, NSSL, Norman, OK; and D. C. Dowell 9:30 AM 12.7 A Mesoscale Re-analysis of Anticipated Severe Weather Threats in the Ozarks During the Week of May 4th-10th 2003   Evan M. Bookbinder, NOAA/NWSFO, Springfield, MO; and W. D. Browning 9:45 AM 12.8 The Anatomy of the Big Event That Never Happened—The Grand Finale of the May 2003 Tornado Outbreak   Neil A. Stuart, NOAA/NWS, Wakefield, VA
	10:00 AM, Thursday 1 Coffee Break
	10:30 AM-12:00 PM, Thursday Session 13 Supercells and Tornadic Storms
Organizers: Christopher C. Weiss, University of Oklahoma, Norman, OK; Joshua Wurman, Center for Severe Weather Research, Boulder, CO
10:30 AM 13.1 Surface observations in the forward-flank downdraft of a tornadic and nontornadic supercell   Chris Shabbott, Pennsylvania State University, University Park, PA; and P. Markowski 10:44 AM Paper 13.2 moved to Session 14. New paper number 14.4a.   10:45 AM 13.2a The 'Owl Horn' radar signature in developing Southern Plains supercells (formerly poster P10.1)   Matthew R. Kramar, NOAA/NWS, Amarillo, TX; and H. B. Bluestein, A. L. Pazmany, and J. D. Tuttle 11:00 AM 13.3 High-resolution dual-Doppler analysis of a cyclic supercell   Jeffrey Beck, Texas Tech University, Lubbock, TX; and J. L. Schroeder, J. Wurman, and C. Alexander 11:15 AM 13.4 Comparison between DOW observed tornadoes and parent mesocyclones observed by WSR-88Ds   Curtis R. Alexander, University of Oklahoma, Norman, OK; and J. Wurman 11:30 AM 13.5 Doppler radar analysis of the 28 April 2002 La Plata, MD tornadic supercell   David R. Manning, NOAA/NWSFO, Sterling, VA; and S. M. Zubrick 11:45 AM 13.6 Growth of Circulation around Supercell Updrafts   Robert Davies-Jones, NOAA/NSSL, Norman, OK
	12:00 PM, Thursday 1 Lunch Break
	1:30 PM-3:00 PM, Thursday Session 14 Tornadogenesis
Organizers: Howie Bluestein, University of Oklahoma, Norman, OK; Ming Xue, University of Oklahoma, Norman, OK
1:30 PM 14.1 Vortex sheets, vortex rings, and a mesocyclone   David S. Nolan, University of Miami, Miami, FL 1:45 PM 14.2 Precipitation, the Rear Flank Downdraft, and Tornadoes   Mark Askelson, University of North Dakota, Grand Forks, ND; and J. M. Straka and E. N. Rasmussen 2:00 PM 14.3 Evolution of the hook echo and low-level rotation in the 17 May 2000 Brady, NE supercell   Michael A. Magsig, CIMMS/Univ. of Oklahoma, Norman, OK; and D. C. Dowell 2:15 PM Paper 14.4 moved to poster session 10. New paper number P10.8   2:16 PM 14.4a Infrared thermal imagery of cloud base in tornadic supercells (formerly paper 13.2)   Robin L. Tanamachi, University of Oklahoma, Norman, OK; and H. B. Bluestein, S. Moore, R. Madding, and C. R. Alexander 2:30 PM 14.5 Terrain-Influenced tornadogenesis in the Northeastern United States: An examination of the 29 May 1995 Great Barrington, Massachusetts, tornado   Lance F. Bosart, SUNY, Albany, NY; and K. D. LaPenta, A. Seimon, and M. J. Dickinson 2:45 PM 14.6 Tornadogenesis and the role of a lake breeze boundary on 14 June 2003 in northwest Illinois   Ray A. Wolf, NOAA/NWS, Davenport, IA
	3:00 PM, Thursday 1 Formal Poster viewing with Coffee Break
	3:00 PM-4:30 PM, Thursday Poster Session 10 Supercells and Tornadic Storms I
Poster P10.1 has been moved to Session 13. New paper number 13.2a.     P10.2 Subtle Radar Signatures in the West Brookfield, MA Tornado of 23 July 2002   Glenn A. Field, NOAA/NWS, Taunton, MA; and D. R. Vallee   P10.3 Mobile, dual-Doppler analysis of tornadogenesis: The 15 May 2003 supercell in Shamrock, Texas   Michael M. French, University of Oklahoma, Norman, OK; and H. B. Bluestein, D. C. Dowell, L. J. Wicker, M. R. Kramar, and A. L. Pazmany   P10.4 Examination of Tornadic and Non-tornadic Supercells in Southwest Virginia on 28 April 2002   Stephen J. Keighton, NOAA/NWS, Blacksburg, VA; and K. Kostura and C. Liscinsky   P10.5 An Analysis of the June 23rd, 2002, Brown County, South Dakota Tornadic Cyclical Supercell   Scott Landolt, NCAR, Boulder, CO; and D. Porter and J. P. Monteverdi   P10.6 The May 11, 2003 severe weather null case across the Northeastern and Mid-Atlantic States   Michael L. Jurewicz Sr., NOAA/NWS, Johnson City, NY; and M. Evans, M. Cempa, and S. Rogowski   P10.7 Presumable cause of tornado evolution   Alex Guskov, Institute of Solid State Physics of Russian Academy of Science, Chernogolovka, Russia P10.8 An Analysis of the Oklahoma City Storm on 9 May 2003 (formerly paper 14.4)   A. P. Silveira, CIMMS/Univ. of Oklahoma, Norman, OK; and J. M. Straka and E. N. Rasmussen
	3:00 PM-4:30 PM, Thursday Poster Session 11 Supercells and Tornadic Storms II
P11.1 Thermodynamic characterization of supercell rear flank downdrafts in Project ANSWERS 2003   Matthew L. Grzych, WindLogics Inc., Grand Rapids, MN; and B. D. Lee, C. A. Finley, and J. L. Schroeder   P11.2 Thermodynamic and kinematic analysis of multiple RFD surges for the 24 June 2003 Manchester, SD cyclic tornadic supercell during Project ANSWERS 2003   Bruce D. Lee, WindLogics Inc., Grand Rapids, MN; and C. A. Finley and P. Skinner   P11.3 High resolution mobile mesonet observations of RFD surges in the June 9 Basset, Nebraska supercell during Project ANSWERS 2003   Catherine A. Finley, WindLogics Inc., Grand Rapids, MN; and B. D. Lee   P11.4 A historical perspective of In-Situ observations within Tornado Cores   Tim M. Samaras, Applied Research Associates, Inc., Littleton, CO   P11.5 The structure of a tornado: Ground-based velocity track display (GBVTD) analysis of mobile, W-band, Doppler radar data on 15 May 1999 near Stockton, Kansas   Robin L. Tanamachi, University of Oklahoma, Norman, OK; and H. B. Bluestein, C. C. Weiss, M. Bell, W. C. Lee, and A. Pazmany   P11.6 Scales of motion in tornadoes, what radars cannot see, what scale circulation is a tornado   Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and C. Alexander   P11.7 Dual-polarization, mobile, X-band, Doppler radar observations of hook echoes in supercells   Francesc Junyent Lopez, University of Massachusetts, Amherst, MA; and A. Pazmany, H. B. Bluestein, M. R. Kramar, M. French, C. Weiss, and S. Frasier
	3:00 PM-4:30 PM, Thursday Poster Session 12 Supercells and Tornadic Storms III
P12.1 Supercell evolution in environments with unusual hodographs   David O. Blanchard, NOAA/NWS, Flagstaff, AZ; and B. A. Klimowski   P12.2 Environmental analysis and photographic documentation of an intense, left-moving supercell on the Colorado plains   Roger Edwards, SPC/NWS/NOAA, Norman, OK; and S. J. Hodanish   P12.3 An observational study of the interaction between a supercell and a mesoscale boundary   Mark R. Conder, Texas Tech University, Lubbock, TX; and S. Cobb, G. D. Skwira, and J. L. Schroeder   P12.4 Analysis of the 28 April 2002 La Plata, Maryland tornado mesoscale environment   Stephen J. Rogowski, NOAA/NWS, Sterling, VA; and S. M. Zubrick   P12.5 Overview and synoptic assessment of the 28 April 2002 La Plata, MD tornado   Christopher A. Strong, NOAA/NWS, Sterling, VA; and S. Zubrick   P12.6 The 10 May 2004 Limon, Colorado tornadic event: An examination of a cyclic tornadic supercell in a weak upper level flow environment   Stephen J. Hodanish, NOAA/NWSFO, Pueblo, CO   P12.7 The role of a surface boundary and multiple-cell mergers in the development of the 21 April 2003 tornado in Upstate South Carolina   Bryan P. McAvoy, NOAA/NWS, Greer, SC
	3:00 PM-4:30 PM, Thursday Poster Session 13 Results from the International H2O Project (IHOP)
P13.1 Multiple-Doppler radar observations of vertical wind profile heterogeneity in convective boundary layers   Paul Markowski, Penn State University, University Park, PA; and Y. P. Richardson   P13.2 Multiple-Doppler radar observations of the structure and evolution of vortices in a convective boundary layer   Paul Markowski, Penn State University, University Park, PA; and C. Hannon   P13.3 Performance of real-time and post-IHOP mesoscale models in determining storm type and evolution for the IHOP-2002 experimental period   Edward J. Szoke, NOAA/ERL/FSL, Boulder, CO; and B. L. Shaw and J. M. Brown
	3:00 PM-4:30 PM, Thursday Poster Session 14 Lightning
P14.1 Overview of the 2003 and 2004 field program phases of the Thunderstorm Electrification and Lightning Experiment (TELEX)   Dave Rust, NOAA/NSSL, Norman, OK; and D. MacGorman, T. Schuur, E. Bruning, J. Straka, B. Rison, T. Hamlin, P. Krehbiel, C. Ziegler, T. Mansel, M. Biggerstaff, K. Eack, and B. Beasley   P14.2 Lightning and radar observations of two storms observed during STEPS   Sarah A. Tessendorf, Colorado State University, Fort Collins, CO; and K. C. Wiens and S. A. Rutledge   P14.3 The use of Lightning Mapping Array data in WDSS-II   V. Lakshmanan, CIMMS/Univ. of Oklahoma/NOAA/NSSL, Norman, OK; and K. D. Hondl, D. MacGorman, and G. J. Stumpf   P14.4 Three-dimensional lightning location relative to storm structure in a Mesoscale Convective System   Lawrence D. Carey, Texas A&M University, College Station, TX; and M. J. Murphy, T. McCormick, and N. W. S. Demetriades   P14.5 Lightning signatures in convective storms on the High Plains   Maribel Martinez, Texas Tech University, Lubbock, TX; and J. Schroeder   P14.6 Correlation of Lightning Flash Rates with a Microburst Event   Karen M. Altino, University of Alabama, Huntsville, AL; and K. R. Knupp and S. J. Goodman
	3:00 PM-4:30 PM, Thursday Poster Session 15 Use of Mesoscale Numerical Modeling in Severe Local Storms Forecasting
P15.1 The 4 June 1999 derecho event: the ultimate challenge for numerical weather prediction?   William A. Gallus Jr., Iowa State University, Ames, IA; and J. Correia and I. Jankov   Poster P15.2 has been moved to P9.9     P15.3 An Evaluation of Mesoscale Model Simulations of An Oscillating Dryline   Mark Conder, Texas Tech University, Lubbock, TX; and R. E. Peterson   P15.4 How to Use Low-Resolution Ensemble in Predicting Severe Local Storm?   Jun Du, SAIC at EMC/NCEP, Boston, MA   P15.5 Evaluation of short-range ensemble forcasts during the 2003 SPC/NSSL Spring Program   David R. Bright, NOAA/NWS/NCEP/SPC, Norman, OK; and M. S. Wandishin, S. J. Weiss, J. J. Levit, J. S. Kain, and D. J. Stensrud
	4:30 PM-6:00 PM, Thursday Session 15 Tornadoes
Organizers: David C. Dowell, CIMMS/Univ. of Oklahoma, Norman, OK; Paul Markowski, Penn State University, University Park, PA
4:30 PM 15.1 A translating tornado simulator for engineering tests: comparison of radar, numerical model, and simulator winds   William A. Gallus Jr., Iowa State University, Ames, IA; and P. Sarkar, F. L. Haan, K. Le, R. Kardell, and J. Wurman 4:45 PM 15.2 The vertical structure of a tornado: High-resolution, W-band, Doppler-radar observations near Happy, Texas on 5 May 2002   Howard B. Bluestein, University of Oklahoma, Norman, OK; and C. C. Weiss and A. Pazmany 5:00 PM 15.3 Pressure measurements at the ground in an F-4 tornado   Julian J. Lee, Applied Research Associates, Inc., Littleton, CO; and T. Samaras and C. Young 5:15 PM 15.4 Comparison of in-situ pressure and DOW Doppler winds in a tornado and RHI vertical slices through 4 tornadoes during 1996-2004   Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and T. Samaras 5:30 PM 15.5 Effects of debris on near-surface tornado dynamics   David C. Lewellen, West Virginia University, Morgantown, WV; and B. Gong and W. S. Lewellen 5:45 PM 15.6 The formation and intensification of supercritical tornado-like vortices - a laboratory study   Christopher R. Church, Miami University, Oxford, OH; and K. A. Kosiba, D. Cleland, and C. P. Beer
	5:30 PM, Thursday Conference Ends
	8:00 PM-10:00 PM, Thursday Video Session
Friday, 8 October 2004
	8:00 AM-10:00 AM, Friday Session 16B Lightning
Organizer: Walter A Lyons, FMA Research Inc., Fort Collins, MN
8:00 AM 16B.1 An overview of severe storm signatures in three-dimensional lightning mapping observations   Don MacGorman, NOAA/NSSL, Norman, OK; and C. Ziegler, T. Mansell, J. Straka, P. Krehbiel, B. Rison, and T. Hamlin 8:15 AM 16B.2 Three-dimensional data analysis of storm electrification datasets   E. Bruning, Univ. Oklahoma, Norman, OK; and W. D. Rust, D. MacGorman, T. Schuur, S. Weiss, P. Krehbiel, and W. Rison 8:30 AM 16B.3 Environmental control of cloud-to-ground lightning polarity in severe storms during IHOP   Lawrence D. Carey, Texas A&M University, College Station, TX; and K. M. Buffalo 8:45 AM 16B.4 The role of elevated cloud base height in the inverted electrical polarity of severe storms   Earle Williams, MIT, Cambridge, MA 9:00 AM 16B.5 Lightning, supercells and sprites   Walter A. Lyons, FMA Research, Inc., Fort Collins, CO; and S. A. Cummer 9:15 AM 16B.6 Lightning, electric field, and radar observations of the STEPS 25 June 2000 storm   Stephanie A. Weiss, CIMMS/Univ. of Oklahoma, Norman, OK; and W. D. Rust, D. MacGorman, E. Bruning, T. Schuur, P. Krehbiel, B. Rison, and T. Hamlin 9:30 AM 16B.7 Electrification and lightning in an idealized boundary-crossing supercell simulation of 2 June 1995   Alexandre Fierro, Univ. of Oklahoma, Norman, OK; and M. S. Gilmore, L. Wicker, E. R. Mansell, J. M. Straka, and E. N. Rasmussen 9:45 AM 16B.8 The severe weather outbreak of 10 November 2002: Lightning and radar analysis of storms in the deep South   Dennis E. Buechler, University of Alabama, Huntsville, AL; and E. W. McCaul, S. J. Goodman, R. J. Blakeslee, J. C. Bailey, and P. N. Gatlin
	8:15 AM-10:15 AM, Friday Session 16A Results from the International H2O Project (IHOP)
Organizer: N. Andrew Crook, NCAR, Boulder, CO
16A.1 Along-frontal kinematic and moisture variability and the impact on convection initiation   Tammy M. Weckwerth, NCAR, Boulder, CO; and C. R. Pettet 8:15 AM 16A.2 A glance at the mesoscale structure of moisture: highlights of refractivity observations during IHOP_2002   Frederic Fabry, McGill University, Montreal, QC, Canada 8:30 AM 16A.3 (To be presented at 9:00 am) High resolution observations of a cold front on 10 June 2002   Nettie R. Arnott, Penn State University, University Park, PA; and Y. P. Richardson and J. Wurman 8:45 AM 16A.4 Analysis of convection initiation along a dryline on 19 June 2002   Yvette P. Richardson, Penn State University, University Park, PA; and J. Marquis, E. N. Rasmussen, J. M. Wurman, and N. R. Arnott 9:00 AM 16A.5 (To be Presented at 8:30 am) Observations of misocyclones along boundaries during IHOP   James Marquis, Penn State University, University Park, PA; and Y. P. Richardson and J. Wurman 9:15 AM 16A.6 Fine-scale observations of a dryline during the International H2O Project   Christopher C. Weiss, Texas Tech University, Lubbock, TX; and H. B. Bluestein and A. Pazmany 9:30 AM 16A.7 Evolution of boundary layer wind and moisture fields along a front during IHOP   John Stonitsch, Penn State University, University Park, PA; and P. Markowski 9:45 AM 16A.8 Scale sensitivities in model precipitation skill scores during IHOP   Stephen S. Weygandt, NOAA/FSL, Boulder, CO; and A. Loughe, S. Benjamin, and J. Mahoney
	10:00 AM-10:30 AM, Friday Coffee Break
	10:30 AM-12:30 PM, Friday Session 17 Use of Mesoscale Numerical Modeling in Severe Local Storms Forecasting
Organizer: Stanley Benjamin, NOAA/FSL, Boulder, CO
10:30 AM 17.1 Examination of several different versions of the WRF model for the prediction of severe convective weather: The SPC/NSSL Spring Program 2004   Steven J. Weiss, SPC, Norman, OK; and J. S. Kain, J. J. Levit, M. E. Baldwin, and D. R. Bright 10:45 AM 17.2 The Promise and Challenge of Explicit Convective Forecasting with the WRF Model   Morris L. Weisman, NCAR, Boulder, CO; and C. Davis and J. Done 11:00 AM 17.3 Improved moisture and PBL initialization in the RUC using METAR data   Stanley G. Benjamin, NOAA/FSL, Boulder, CO; and S. S. Weygandt, D. Dévényi, J. M. Brown, G. A. Manikin, T. L. Smith, and T. G. Smirnova 11:15 AM 17.4 Changes to the NCEP SREF system and their impact on convective forecasting   Geoffrey S. Manikin, NOAA/NWS/NCEP/EMC, Camp Springs, MD; and J. T. McQueen, J. Du, and B. S. Ferrier 11:30 AM 17.5 GPS-IPW observations and their assimilation into the 20-km RUC during severe weather season   Tracy Lorraine Smith, NOAA/FSL/CIRA, Boulder, CO; and S. S. Weygandt, S. G. Benjamin, S. I. Gutman, and S. Sahm 11:45 AM 17.6 Severe weather forecasts from an ensemble of human-perturbed simulations using an adjoint model   Victor Homar, NOAA/NSSL, Norman, OK; and D. J. Stensrud and J. J. Levit 12:00 PM 17.7 Predicting propagating convective systems using operational forecast models   Melissa S. Bukovsky, Univ. of Oklahoma, Norman, OK; and J. S. Kain 12:15 PM 17.8 Convective contamination and the poor forecasts that follow   James Correia Jr., Iowa State University, Ames, IA; and R. W. Arritt, W. Gallus, and I. Jankov

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