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Sunday, 5 November 2006

5:00 PM-7:00 PM: Sunday, 5 November 2006


Conference Registration

Monday, 6 November 2006

7:30 AM-7:30 AM: Monday, 6 November 2006


Registration continues through Friday, 10 November

9:00 AM-10:00 AM: Monday, 6 November 2006


Session 1A
Conference Introduction and Opening Remarks
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
9:00 AM
1A.1A
Welcoming Remarks
Roger Edwards, NOAA/NWS/NCEP/SPC, Norman, OK
9:05 AM
1A.1
Tribute to James T. Moore
Charles E. Graves, Saint Louis Univ., St. Louis, MO

10:00 AM-10:30 AM: Monday, 6 November 2006


Coffee Break

10:30 AM-12:00 PM: Monday, 6 November 2006


Session 1
Regional Climatologies
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Matthew J. Bunkers, NOAA/NWSFO
11:00 AM
1.3
Characteristics of cool season severe environments in the Ohio Valley (1995-2006)
Bryan T. Smith, NOAA/NWS/NCEP/SPC, Norman, OK OK; and C. Omitt and J. L. Guyer
11:15 AM
1.4
A GIS-based analysis of supercell and squall line occurrence across Oklahoma
James E. Hocker, SCIPP/Univ. of Oklahoma, Norman, OK; and J. B. Basara
11:30 AM
1.5

12:00 PM-1:30 PM: Monday, 6 November 2006


Lunch Break

1:30 PM-3:00 PM: Monday, 6 November 2006


Session 2
Severe Storm Environments I
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Richard L. Thompson, SPC
1:30 PM
2.1
1:45 PM
2.2
2:00 PM
2.3
Forecasting the maintenance of mesoscale convective systems
Michael C. Coniglio, NOAA/NSSL, Norman, OK; and M. Bardon, K. Virts, and S. J. Weiss
2:15 PM
2.4
Discrimination of mesoscale convective system environments using sounding observations
Ariel E. Cohen, Univ. of Oklahoma, Norman, OK; and M. C. Coniglio, S. F. Corfidi, and S. J. Corfidi
2:30 PM
2.5
2:45 PM
2.6

3:00 PM-4:30 PM: Monday, 6 November 2006


Poster Session 1
Severe Storm Environments
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P1.1
P1.2
Tornadoes associated with cold-core, closed 500mb lows: The 20 March 2006, northwestern Oklahoma tornadoes
Jeffrey C. Snyder, Univ. of Oklahoma, Norman, OK; and D. T. Dawson II and H. B. Bluestein

P1.4
West Texas Mesonet observations of wake lows and heat bursts across northwest Texas
Mark R. Conder, NOAA/NWSFO, Lubbock, TX; and S. R. Cobb and G. Skwira

Handout (498.6 kB)

P1.5
Toward a better understanding of elevated convection
S.F. Corfidi, NOAA/NWS, Norman, OK; and S. J. Corfidi and D. M. Schultz

Handout (450.3 kB)

P1.6
A mechanism for convective initiation in advance of squall lines
Seung-hee Kim, Univ. of California, Los Angeles, CA; and R. G. Fovell and G. L. Mullendore

Handout (458.1 kB)

P1.7
A Comparison of Bulk Shear and Cumulative Shear as a Predictor for Convective Mode
Jennifer M. Laflin, University of Nebraska-Lincoln, Lincoln, NE; and P. N. Schumacher

Handout (42.3 kB)

P1.8
Virtualization
Peter R. Bannon, Pennsylvania State Univ., University Park, PA

P1.9
The Texas mesolow of 12 June 2003
Lance F. Bosart, Univ. at Albany/SUNY, Albany, NY; and T. J. Galarneau Jr.

P1.11
The relationship of the Great Plains low level jet to nocturnal MCS development
Matthew R. Kumjian, The Pennsylvania State University, University Park, PA; and J. S. Evans and J. L. Guyer

Handout (289.9 kB)


Poster Session 2
Climatologies and Verification
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P2.1
A closer look at verification statistics for two tornado outbreaks in 2006
John T. Ferree, NOAA/NWS, Norman, OK; and D. McCarthy and H. E. Brooks

P2.2
A Look at the Tornado Report and Watch Climatology for the Continental United States from 1986-2005
Andrew R. Dean, Univ. of Oklahoma/CIMMS/SPC, Norman, OK; and D. A. Imy

Handout (314.3 kB)

P2.3
Development of a comprehensive severe weather forecast verification system at the Storm Prediction Center
Andrew R. Dean, Univ. of Oklahoma/CIMMS & NOAA/NWS/NCEP/SPC, Norman, OK; and R. S. Schneider and J. T. Schaefer

Handout (190.4 kB)

P2.4
An analysis of thunderstorm hail fall patterns in the Severe Hail Verification Experiment
Kiel L. Ortega, Univ. of Oklahoma/CIMMS and NOAA/NSSL, Norman, OK; and T. M. Smith and K. A. Scharfenberg

Handout (1.8 MB)

P2.7
A techinque for developing the ratio of supercell to non-supercell thunderstorms
Brian L. Barjenbruch, Univ. of Nebraska, Lincoln, NE; and A. L. Houston

Handout (117.4 kB)

P2.8
Severe weather reports as a function of convective system morphology
William A. Gallus Jr., Iowa State Univ., Ames, IA; and N. Snook and E. V. Johnson

Handout (1.4 MB)


Formal Poster Viewing with Coffee Break

4:30 PM-6:00 PM: Monday, 6 November 2006


Session 3
Severe Storm Environments II
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: James LaDue, NOAA/NWS
5:00 PM
3.3
Analysis of WRF and MM5 mesoscale model forecasts to distinguish tornado outbreaks from primarily nontornadic severe weather outbreaks
Chad M. Shafer, Univ. of South Alabama, Mobile, AL; and A. E. Mercer, M. B. Richman, L. M. Leslie, and C. A. Doswell III
5:15 PM
3.4
5:30 PM
3.5
Analysis of estimated environments for 2004 and 2005 severe convective storm reports
Russell S. Schneider, NOAA/NWS Storm Prediction Center, Norman, OK; and A. R. Dean, S. J. Weiss, and P. D. Bothwell

6:00 PM-6:00 PM: Monday, 6 November 2006


Sessions End for the Day

Tuesday, 7 November 2006

8:30 AM-10:00 AM: Tuesday, 7 November 2006


Session 4
Cool Season Severe Storms
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: John P. Monteverdi, San Francisco State Univ.
8:30 AM
4.1
The Relation of El Nino Southern Oscillation (ENSO) to Winter Tornado Outbreaks
Ashton Robinson Cook, NOAA/NWS SPC, Norman, OK; and J. T. Schaefer
8:45 AM
4.2
9:15 AM
4.4
Analysis of a cold-season bow echo: kinematic and precipitation structure during the late mature phase
Calvin Elkins, Univ. of Alabama - Huntsville, Huntsville, AL AL; and K. Knupp, B. J. Barbre', and C. Hain

10:00 AM-10:30 AM: Tuesday, 7 November 2006


Coffee Break

10:30 AM-12:00 PM: Tuesday, 7 November 2006


Session 5
Climatology and Verification
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Brian A. Klimowski, NOAA/NWS
10:30 AM
5.1
Analysis of Tornado Outbreaks Using Principal Components
Andrew E. Mercer, Cooperative Institude of Mesoscale Meteorological Studies, Norman, OK; and C. M. Shafer, C. A. Doswell III, M. B. Richman, and L. M. Leslie

10:45 AM
5.2
Telescoping model approaches to evaluate severe convective storms under future climates
Robert J. Trapp, Purdue Univ., West Lafayette, IN IN; and B. A. Halvorson and N. S. Diffenbaugh
11:00 AM
5.3
The Severe Hail Verification Experiment
Travis M. Smith, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and K. L. Ortega, K. A. Scharfenberg, K. L. Manross, and A. Witt
11:15 AM
5.4
PDS watches: how dangerous are these "particularly dangerous situations?"
Andrew R. Dean, Univ. of Oklahoma/CIMMS & NOAA/NWS/NCEP/SPC, Norman, OK; and J. T. Schaefer
11:30 AM
5.5
Implementing the new Enhanced Fujita scale within the NWS
James LaDue, NOAA/NWS, Norman, OK; and E. A. Mahoney
11:45 AM
5.6
What Are We Doing with (or to) the F-Scale?
Daniel McCarthy, NOAA/NWS/NCEP/SPC, Norman, OK; and J. T. Schaefer and R. Edwards

12:00 PM-1:30 PM: Tuesday, 7 November 2006


Lunch Break

1:30 PM-3:00 PM: Tuesday, 7 November 2006


Session 6
James T. moore Memorial Session on Bow Echo and Derecho Producing Storms
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Ron W. Przybilinski, NOAA/NWS
1:45 PM
6.2
Real-data and idealized simulations of the 4 July 2004 bow echo event
Kent H. Knopfmeier, The Pennsylvania State University, University Park, PA; and R. J. Trapp and D. M. Wheatley
2:00 PM
6.3
2:15 PM
6.4
The Influence of Low-Level Stable Layers on Damaging Surface Winds within Bow Echoes
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and J. J. Cunningham
2:30 PM
6.5
2:45 PM
6.6
The June 8, 2005 tornadic bow echo in South Dakota
Ken Harding, NOAA/NWSFO Topeka Kansas, Topeka, KS; and C. Behnke, T. Kleffman, and R. Knutsvig

3:00 PM-4:30 PM: Tuesday, 7 November 2006


Poster Session 3
Cool Season Severe Storms
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P3.1
The relationship of cool season significant tornado events and buoy data in the western Gulf of Mexico
Jeffry S. Evans, NOAA/NWS/WFO Tallahassee, FL, Tallahassee, FL; and J. L. Guyer

Handout (264.1 kB)

P3.3
Analysis of several modern thundersnow proximity soundings
Patrick S. Market, Univ. of Missouri, Columbia, MO; and G. Darkow, N. A. Stuart, S. Rochette, and A. R. Lupo

P3.4
A cool season severe weather episode in northern Arizona
David O. Blanchard, NOAA/NWS, Flagstaff, AZ

Handout (2.7 MB)

P3.5
A cold season bow echo in a high shear, low CAPE environment: synoptic-scale environment and mesoscale evolution
Christopher R. Hain, Univ. of Alabama, Huntsville, AL; and K. Knupp, R. E. Barbre, C. Elkins, T. A. Coleman, and T. A. Martin

P3.6
Single Doppler radar observations of an intense bowing phase of a cold season bow echo in a high shear, low CAPE environment
Robert E. Barbre Jr., Univ. of Alabama, Huntsville, AL; and C. R. Hain, T. A. Martin, T. A. Coleman, C. Elkins, and K. R. Knupp


Poster Session 5
Forecast Tools
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P5.1
Alternative approaches to current nowcasting schemes
Steven A. Lack, Univ. of Missouri, Columbia, MO; and G. L. Limpert and N. I. Fox

Handout (1.6 MB)

P5.2
Overview of the 2005 and Spring 2006 WDSS-II Demonstration at WFO St. Louis
Douglas E. Tilly, Saint Louis Univ., Saint Louis, MO; and R. W. Przybylinski and T. M. Smith

Handout (1.0 MB)

P5.4
P5.5
WSR-88D Manifestations of the "Owl Horn" Signature
Matthew R. Kramar, NOAA/NWSFO, Sterling, VA

Handout (523.4 kB)


Formal Poster Viewing with Coffee Break

4:30 PM-6:00 PM: Tuesday, 7 November 2006


Session 7
BAMEX Events and Results
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Jeffry S. Evans, NOAA/NWS
4:30 PM
7.1
4:45 PM
7.2
The role of gravity waves in producing strong winds in bow echoes
Kevin R. Knupp, Univ. of Alabama, Huntsville, AL; and D. Phillips
5:00 PM
7.3
Composite bow echo observed during BAMEX
David A. Ahijevych, NCAR, Boulder, CO; and G. H. Bryan, M. Weisman, S. Trier, C. Davis, and D. Dowell
5:15 PM
7.4
Two derecho events and MCS interactions during BAMEX
Nicholas D. Metz, Hobart and William Smith Colleges, Geneva, NY; and L. F. Bosart

6:00 PM-6:00 PM: Tuesday, 7 November 2006


Sessions End for the Day

8:00 PM-8:00 PM: Tuesday, 7 November 2006


Storm Video and Slide Show Night I
Organizers: Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NWS; James LaDue, NOAA/NWS; David O. Blanchard, NOAA/NWS

Wednesday, 8 November 2006

8:30 AM-10:00 AM: Wednesday, 8 November 2006


Session 8
Forecast Tools
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: David O. Blanchard, NOAA/NWS
8:30 AM
8.1
An evaluation of TAMDAR soundings in severe storm forecasting
Edward J. Szoke, NOAA/GSD and CIRA, Boulder, CO; and R. S. Collander, B. D. Jamison, T. L. Smith, T. W. Schlatter, S. G. Benjamin, and W. R. Moninger
8:45 AM
8.2
9:00 AM
8.3
Status on the integration of the NSSL Four-dimensional Stormcell Investigator (FSI) into AWIPS
Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NWS, Norman, OK; and M. T. Filiaggi, M. A. Magsig, K. D. Hondl, S. B. Smith, R. Toomey, and C. Kerr
9:30 AM
8.5
Complementary Use of Short-Range Ensemble and 4.5 km WRF-NMM Model Guidance for Severe Weather Forecasting at the Storm Prediction Center
Steven J. Weiss, NOAA/NCEP/SPC, Norman, OK; and D. R. Bright, J. S. Kain, J. J. Levit, M. Pyle, Z. Janjic, B. S. Ferrier, and J. Du

10:00 AM-10:30 AM: Wednesday, 8 November 2006


Coffee Break

10:30 AM-12:00 PM: Wednesday, 8 November 2006


Session 9
Severe Local Storms Outside the United States I
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Leslie R. Lemon, Basic Commerce & Industries, Inc.
10:30 AM
9.1
The Birmingham, U.K. Tornado: 28 July 2005
Timothy P. Marshall, Haag Engineering Co., Dallas, TX; and S. Robinson
10:45 AM
9.2
Proximity soundings from reanalysis data for Europe
Harold Brooks, NOAA/NSSL, Norman, OK; and K. Snider, N. Dotzek, and P. Groenemeijer
11:00 AM
9.3
A climatology of tornadoes in Finland
Jenni Teittinen, Finnish Meteorological Institute, Helsinki, Finland; and H. E. Brooks
11:15 AM
9.4
Mesocyclones in Romania – characteristics and environments
Aurora Stan-Sion, National Meteorological Administration, Bucharest, Romania; and B. Antonescu
11:30 AM
9.5
The 24 May 2005 multiple-vortex tornado in southeastern Brazil
Ernani L. Nascimento, Universidade Federal de Santa Maria, Santa Maria, Brazil; and I. P. V. O. Marcelino

12:00 PM-1:30 PM: Wednesday, 8 November 2006


Lunch Break

1:30 PM-3:00 PM: Wednesday, 8 November 2006


Session 10
Severe Local Storms Outside the United States II
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Harold E. Brooks, NOAA/NSSL
1:30 PM
10.1
The severe thunderstorm forecast and warning process in Australia
Harald Richter, Bureau of Meteorology Training Centre, Melbourne, Victoria, Australia
1:45 PM
10.2
Tornadic Mini-Supercells in Northern Canada
Patrick J. McCarthy, MSC, Winnipeg, MB, Canada; and S. Massey and D. Patrick
2:00 PM
10.3
Forecasting tornado potential in Alberta using environmental sounding data
Max Dupilka, Univ. of Alberta, Edmonton, AB, Canada; and G. W. Reuter
2:15 PM
10.4
Numerical simulation and diagnostic analysis of a severe convective storm process with tornado
Shaowen Shou, Nanjing Univ. of Information Science and Technology, Nanjing, China; and L. Zhang and Y. Shou
2:30 PM
10.5
A synthetic analysis of mesoscale precipitation system In northeastern China based on sattellite and radar data
Yixuan Shou, Nanjing Univ. of Information Science and Technology, Nanjing, Jiangsu Province, China; and J. Xu and S. Shou

3:00 PM-4:30 PM: Wednesday, 8 November 2006


Poster Session 6
Severe Local Storms Outside the United States
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P6.1
Analysis of a tornadic mini-supercell in Finland by using Doppler radar
Jenni Teittinen, Finnish Meteorological Institute, Helsinki, Finland; and J. G. LaDue, H. Hohti, and R. A. Brown

Handout (362.9 kB)

P6.2
Supercells of the Serranías del Burro (Mexico)
Roger Edwards, SPC/NWS/NOAA, Norman, OK

Handout (290.2 kB)

P6.3
A climatology of large hail in Finland
Jari-Petteri Tuovinen, Finnish Meteorological Institute, Helsinki, Finland; and J. Teittinen, A. J. Punkka, and H. Hohti

Handout (119.1 kB)

P6.4
Severe thunderstorm forecasting program in Finland
Ari-Juhani Punkka, Finnish Meteorological Institute, Helsinki, Finland; and J. Teittinen


Poster Session 7
Preparedness and Sociological Issues
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Donald W. Burgess, CIMMS/Univ. of Oklahoma
P7.1
Spatial and temporal analysis of tornado fatalities in the U.S
Walker S. Ashley, Northern Illinois Univ., DeKalb, IL


Poster Session 8
Tropical and Nonmesocyclone Tornadoes, Lightning, Pulse and Multicell Storms
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P8.1
P8.1 moved. New paper number 12.6A.

P8.2
Archetypes for surface baroclinic boundaries influencing tropical cyclone tornado occurrence
Roger Edwards, SPC/NWS/NOAA, Norman, OK; and A. E. Pietrycha

Handout (399.6 kB)

P8.3
P8.4
Misocyclone Detection and Observations using the WSR-88D: Operational Implications for the Warning Meteorologist
Albert E. Pietrycha, NWS, Pleasant Hill, MO; and K. L. Manross and E. Nelson

Handout (2.4 MB)

P8.5
Lightning climatology for the State of Colorado
Stephen J. Hodanish, NOAA/NWS, Pueblo, CO; and P. Wolyn

Handout (1.1 MB)

P8.6
Cloud-to-ground lightning characteristics of derecho-producing convective systems in the central and southern Great Plains
Christopher M. Fuhrmann, Univ. of North Carolina, Chapel Hill, NC; and W. S. Ashley

Handout (232.7 kB)

P8.7
The Denver Cyclone and tornadoes 25 years later: the continued challenge of predicting non-supercell tornadoes
Edward J. Szoke, NOAA/ESRL/GSD and CIRA, Boulder, CO; and D. Barjenbruch, R. Glancy, and R. Kleyla

Handout (1.1 MB)


Poster Session 9
Finescale Observations & Radar
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P9.1
Tornado identification using a neuro-fuzzy approach to integrate shear and spectral signatures
Yadong Wang, Univ. of Oklahoma, Norman, OK; and T. Y. Yu, M. Yeary, A. M. Shapiro, S. Nemati, M. Foster, and D. L. Andra Jr.

Handout (168.8 kB)

P9.3
Progress toward improved Ground-Based Velocity Track Display (GBVTD) analysis of high-resolution radar data collected in tornadoes
Robin L. Tanamachi, Univ. of Oklahoma, Norman, OK OK; and H. B. Bluestein, M. Bell, and W. C. Lee

Handout (646.9 kB)

P9.4
Observations of tornadogenesis from high-resolution reflectivity data using a W-band mobile radar: The Cordell storm of 5 May 2001
Jana B. Houser, Univ. of Oklahoma, Norman, OK; and H. B. Bluestein, C. C. Weiss, M. R. Kramar, J. D. Tuttle, and A. Pazmany

P9.5
Multiple-Doppler observations of a nontornadic supercell on 23 May 2002 using ground-based mobile radars
Jeffrey Frame, Pennsylvania State Univ., University Park, PA; and P. Markowski, Y. P. Richardson, and J. Wurman

Handout (797.8 kB)

P9.6
Reconstruction of wind profiles in dust devils: analyses of W-band mobile radar data using the Ground-Based Velocity Track Display (GBVTD) technique
Jeffrey C. Snyder, Univ. of Oklahoma, Norman, OK; and R. L. Tanamachi, H. B. Bluestein, W. C. Lee, M. M. Bell, and A. L. Pazmany

P9.7
In-situ Photogrammetric Analysis of the June 11, 2004 Tornado near Storm Lake, Iowa
Timothy M. Samaras, Applied Research Associates, Inc., Littleton, CO; and C. Young

P9.9
On-line archive of storm penetrating data
Matthew Beals, South Dakota School of Mines and Technology, Rapid City, SD; and D. Kliche, A. Detwiler, and S. Williams

Handout (200.2 kB)

P9.10
P9.11
Mobile radar based climatology of tornado structure and ROTATE operations
Curtis R. Alexander, Center for Severe Weather Research, Boulder, CO; and J. Wurman

P9.12
Roger Jensen (1933-2001): Storm Photographer
Timothy P. Marshall, Haag Engineering Co., Dallas, TX; and D. Hoadley

Handout (362.5 kB)

P9.13

Formal Poster Viewing with Coffee Break

4:30 PM-6:00 PM: Wednesday, 8 November 2006


Session 11
Preparedness and Sociological Issues
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Donald W. Burgess, CIMMS/Univ. of Oklahoma
4:30 PM
11.1
The Designated Weather Watcher – The Key to Public Preparedness
Aimee Devaris, NOAA/NWS, Silver Spring, MD; and D. McCarthy
5:00 PM
11.3
5:15 PM
11.4
Major land-falling hurricanes as mesoscale convective systems: A paradigm shift for WFO operations
David W. Sharp, NOAA/NWSFO, Melbourne, FL; and S. M. Spratt, B. C. Hagemeyer, and D. L. Jacobs
5:30 PM
11.5
Lead time and time under tornado warnings: 1986 - 2004
Somer A. Erickson, Univ. of Oklahoma, Norman, OK; and H. Brooks
5:45 PM
11.6
NOAA/National Weather Services' storm-based warnings
John T. Ferree, NOAA/NWS, Norman, OK; and J. M. Looney and K. R. Waters

6:00 PM-6:00 PM: Wednesday, 8 November 2006


Sessions End for the Day

7:30 PM-7:30 PM: Wednesday, 8 November 2006


Banquet Event at Top of the Met (included in full-week registration)

Thursday, 9 November 2006

8:30 AM-10:15 AM: Thursday, 9 November 2006


Session 12
Tropical and Nonmesocyclone Tornadoes, Lightning, Pulse and Multicell
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Stephen J. Hodanish, NOAA/NWSFO
9:00 AM
12.3
Kinematics, microphysics, and lightning during STEPS: A summary of results
Sarah A. Tessendorf, Colorado State Univ., Fort Collins, CO; and S. A. Rutledge
9:15 AM
12.4
Anomolous lightning behaviour in Northern Plains tornadic supercells
Michael McDonald, MSC, Winnipeg, MB, Canada; and P. J. McCarthy and D. Patrick
9:30 AM
12.5
Use of high-resolution WRF simulations to forecast lightning threat
Eugene W. McCaul Jr., USRA, Huntsville, AL AL; and K. M. LaCasse, S. J. Goodman, and D. Cecil

10:00 AM-10:30 AM: Thursday, 9 November 2006


Coffee Break

10:30 AM-12:00 PM: Thursday, 9 November 2006


Session 13
Tornado Vortex Dynamics and Genesis
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Paul M. Markowski, Penn State University
10:30 AM
13.1
Using a low-order model to detect and characterize tornadoes in multiple-Doppler radar data
Corey K. Potvin, Univ. of Oklahoma, Norman, OK; and A. M. Shapiro, T. Y. Yu, and M. Xue
10:45 AM
13.2
The Role of Hook Echo Microbursts in Simulated Tornadic Supercells. Part I Association with counter-rotating vortices and tornadogenesis
Leigh Orf, Central Michigan Univ., Mount Pleasant, MI; and M. S. Gilmore, R. B. Wilhelmson, J. M. Straka, and E. N. Rasmussen
11:00 AM
13.3
The Role of Hook Echo Microbursts in Simulated Tornadic Supercells. Part II: Sensitivity to Microphysics Parameterization
Matthew S. Gilmore, Univ. of Illinois, Urbana, IL; and L. Orf, R. B. Wilhelmson, J. M. Straka, and E. N. Rasmussen
11:15 AM
13.4
Precipitation-independent supercell tornadogenesis
Adam L. Houston, Univ. of Nebraska, Lincoln, NE; and M. D. Parker
11:30 AM
13.5
On the limits to near-surface intensification of tornado vortices
D. C. Lewellen, West Virginia Univ., Morgantown, WV; and W. S. Lewellen
11:45 AM
13.6
A conceptual dual-polarization framework for the 8 May 2003 Oklahoma City tornadic supercell
Glen S. Romine, Univ. of Illinois, Urbana, IL; and D. W. Burgess and R. B. Wilhelmson

12:00 PM-1:30 PM: Thursday, 9 November 2006


Lunch Break

1:30 PM-3:00 PM: Thursday, 9 November 2006


Session 14
Finescale Observations I: Multiplatform
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Albert E. Pietrycha, NWS
1:30 PM
14.1
Comparison of storm evolution characteristics: The NWRT and WSR-88D
Pamela L. Heinselman, NOAA/NSSL, Norman, OK; and D. L. Priegnitz, K. L. Manross, and R. Adams
1:45 PM
14.2
Visual Characteristics of Severe Storms
Michael A. Magsig, NOAA/NWS/WDTB, Norman, OK; and J. LaDue and M. Yuan
2:00 PM
14.3
Dynamic Measurements of the Lowest 10 meters of Tornadoes
Timothy M. Samaras, Applied Research Associates, Inc., Littleton, CO
2:30 PM
14.5
Surface analysis of the rear-flank downdraft in two tornadic supercells
Brian D. Hirth, Texas Tech Univ., Lubbock, TX; and J. L. Schroeder and C. C. Weiss
2:45 PM
14.6
14.6 Moved. New Paper Number P11.6.

2:46 PM
14.6A
The 15 May 2003 Shamrock, Texas, supercell: A dual-Doppler analysis and EnKF data-assimilation experiment (Formerly Paper 15.8)
Michael M. French, Univ. of Oklahoma, Norman, OK; and H. B. Bluestein, D. C. Dowell, L. J. Wicker, M. R. Kramar, and A. L. Pazmany

3:00 PM-4:30 PM: Thursday, 9 November 2006


Poster Session 10
Tornado Votex Dynamics and Genesis
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P10.1
An Analytical Model of One- and Two-Celled Vortices: Preliminary Testing
Vincent T. Wood, NOAA/NSSL, Norman, OK; and L. W. White, C. R. Alexander, and R. L. Tanamachi

Handout (319.2 kB)

P10.2
P10.3
Effects of fine-scale debris on different tornado corner flows
Baiyun Gong, West Virginia Univ., Morgantown, WV; and D. C. Lewellen and W. S. Lewellen

Handout (984.9 kB)

P10.4
The Existence of Descending Reflectivity Cores in Rear-Flank Appendages of Supercells
Aaron D. Kennedy, School of Meteorology, Univ. of Oklahoma, Norman, OK; and J. M. Straka and E. N. Rasmussen

Handout (402.8 kB)


Poster Session 11
Numerical Simulations
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P11.2
Numerical simulation of a severe squall event in Hong Kong
K.C. Szeto, City Univ. of Hong Kong, Hong Kong, China; and P. W. Chan

Handout (1.3 MB)

P11.3
Numerical Simulation of the 24 April, 2002 storm merger between a left moving storm and supercell
Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. W. Przybylinski and R. B. Wilhelmson

Handout (1.6 MB)

P11.4
Numerical modeling of cell interaction
Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. B. Wilhelmson and B. D. Lee

P11.5
Hail embryo differences between simulated High Plains and Oklahoma storms
Lee M. Cronce, Univ. of Illinois, Urbana, IL; and M. S. Gilmore, R. B. Wilhelmson, and J. M. Straka


Poster Session 12
Case Studies
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P12.2
An analysis of the 7 July 2004 Rockwell Pass, CA tornado: Highest elevation tornado documented in the US
John P. Monteverdi, San Francisco State Univ., San Francisco, CA; and R. Edwards, G. J. Stumpf, and D. Gudgel

Handout (1.6 MB)

P12.3
An Analysis of the 22 May 2004 Furnas County, Nebraska Tornadic Supercell
John P. Monteverdi, San Francisco State Univ., San Francisco, CA; and K. Saussy, A. Cross, C. Meherin, C. Medjber, and S. Lau

Handout (1.2 MB)

P12.4
Early cell evolution and resultant isolation of two long-lived supercells during the 12 March 2006 Tornado Outbreak
Bruce D. Lee, High Impact Weather Research & Consulting, LLC, Grand Rapids, MN; and C. A. Finley

Handout (1.5 MB)

P12.5
Tornadic outbreak of April 20th 2004 with low CAPE
Aaron Naeger, Univ. of Missouri, Columbia, MO; and N. I. Fox and P. S. Market

P12.6
Multiple modes of convection in moderate-to-high shear environments
Adam J. French, South Dakota School of Mines and Technology, Rapid City, SD; and M. D. Parker

Handout (1.2 MB)

P12.9
The Thanksgiving 2004 Severe Weather Event across Upstate New York and New England
Thomas A. Wasula, NOAA/NWS, Albany, NY; and K. D. LaPenta

Handout (934.9 kB)


Formal Poster Viewing with Coffee Break

4:30 PM-6:30 PM: Thursday, 9 November 2006


Session 15
Finescale Observations II: Mobile Radars
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Pamela L. Heinselman, CIMMS/Univ. of Oklahoma
4:30 PM
15.0
Paper 15.8 moved. New paper number 14.6A

4:45 PM
15.1
The maintenance of tornadoes observed with high-resolution mobile radars
James N. Marquis, Pennsylvania State Univ., University Park, PA; and Y. P. Richardson, P. M. Markowski, J. M. Wurman, and D. C. Dowell
5:00 PM
15.2
A dual-Doppler analysis of a nontornadic supercell observed on 12 June 2004 using ground-based doppler radars
Mario Majcen, Pennsylvania State Univ., University Park, PA; and P. Markowski, Y. P. Richardson, and J. Wurman
5:15 PM
15.3
High-resolution structure of tornadoes in south-central Kansas on 12 May 2004: Analysis of mobile Doppler radar data
Howard B. Bluestein, Univ. of Oklahoma, Norman, OK; and C. C. Weiss, M. M. French, E. M. Holthaus, R. L. Tanamachi, S. Frasier, and A. L. Pazmany
5:30 PM
15.4
Rapid-Scan 3D observations of a tornado
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and P. Robinson
5:45 PM
15.5
Mobile radar based climatology of tornado structure and dynamics
Curtis R. Alexander, Center for Severe Weather Research, Boulder, CO; and J. Wurman
6:00 PM
15.6
Quantifying near-surface winds in tornadoes: A combined DOW-LES approach
Karen A. Kosiba, Purdue Univ., West Lafayette, IN; and R. J. Trapp
6:15 PM
15.7
Radar reflectivity "blobs" observed by the Doppler on Wheels
Zachary M. Byko, Pennsylvania State Univ., University Park, PA; and P. Markowski, Y. P. Richardson, and J. Wurman

6:30 PM-6:30 PM: Thursday, 9 November 2006


Sessions End for the Day

8:00 PM-8:00 PM: Thursday, 9 November 2006


Storm Video and Slide Show Night II
Organizers: Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NWS; James LaDue, NOAA/NWS; David O. Blanchard, NOAA/NWS

Friday, 10 November 2006

8:30 AM-10:00 AM: Friday, 10 November 2006


Session 16
Numerical Simulations I: Supercells and Tornadoes
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Sarah A. Tessendorf, Colorado State Univ.
8:45 AM
16.2
Numerical Study of a Tornado-Like Vortex in a Supercell Storm
Jorge Ruben Santos, McGill Univ., Montreal, QC, Canada; and M. K. Yau
9:00 AM
16.3
The influence of eight basic environmental parameters on the low-level rotation characteristics of simulated convective storms
Cody Kirkpatrick, University of Alabama in Huntsville, Huntsville, AL AL; and E. W. McCaul Jr. and C. Cohen
9:30 AM
16.5
Numerical simulation of tornadogenesis in a supercell storm
Ken-ichi Shimose, Kyushu Univ., Fukuoka, Japan; and T. Kawano
9:45 AM
16.6
Simulations of a supercell thunderstorm with radiative transfer, surface physics, and a soil model
Jeffrey Frame, University of Illinois at Urbana-Champaign, Urbana, IL; and P. Markowski

10:00 AM-10:30 AM: Friday, 10 November 2006


Coffee Break

10:30 AM-12:00 PM: Friday, 10 November 2006


Session 17
Numerical Simulations II: Multicells and MCSs
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: George H. Bryan, NCAR
10:30 AM
17.1
The sensitivity of numerically simulated multicell convection to grid spacing and computational mixing coefficients
Benjamin C. Baranowski, North Carolina State University, Rleigh, NC; and C. A. Doswell III, D. B. Weber, and A. M. Loftus
10:45 AM
17.2
Parameterized mesoscale forcing mechanisms for initiating numerically-simulated isolated multicellular convection
Adrian M. Loftus, Colorado State Univ., Fort Collins, CO; and C. A. Doswell III, D. B. Weber, and B. C. Baranowski
11:00 AM
17.3
Sensitivity of MCS development to the initial convective arrangement
Israel L. Jirak, Embry-Riddle Aeronautical University, Prescott, AZ; and W. R. Cotton
11:15 AM
17.4
Numerical simulation of quasi-linear convective systems in heterogeneous mesoscale environments
Dustan M. Wheatley, CIMMS/Univ. of Oklahoma, NOAA/NSSL, Norman, OK; and R. J. Trapp
11:30 AM
17.5
11:45 AM
17.6
A Statistical Approach to the Kain-Fritsch Convective parameterization
Yong Song, Univ. of Missouri, Columbia, MO; and C. K. Wikle and C. J. Anderson

12:00 PM-1:30 PM: Friday, 10 November 2006


Lunch Break

1:30 PM-3:00 PM: Friday, 10 November 2006


Session 18
Case Studies I
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Josh Korotky, NOAA/NWS
1:30 PM
18.1
The Tri-State Tornado of 18 March 1925, Part I: Re-examination of the damage path
Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK; and R. H. Johns, C. A. Doswell III, J. Hart, M. S. Gilmore, and S. F. Piltz
1:45 PM
18.2
The Tri-State Tornado of 18 March 1925. Part II: Re-examination of the weather conditions supporting the parent storm
Robert A. Maddox, Consultant, Tucson, AZ; and M. S. Gilmore, C. Crisp, J. A. Hart, C. A. Doswell III, and D. W. Burgess

2:15 PM
18.4
An elevated supercell with damaging wind reports from the morning of 12 March 2006
Stephen M. Goss, SPC, Norman, OK; and R. L. Thompson and E. M. Bookbinder
2:30 PM
18.5
A case study of a long-lived supercell in the 12 March 2006 severe weather outbreak
George L. Limpert, Univ. of Missouri, Columbia, MO; and C. J. Schultz, E. R. Sutton, C. C. Heck, and N. I. Fox

3:00 PM-3:30 PM: Friday, 10 November 2006


Coffee Break

3:30 PM-5:00 PM: Friday, 10 November 2006


Session 19
Case Studies II
Location: St. Louis AB (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
Chair: Matthew S. Gilmore, Univ. of Illinois
4:00 PM
19.3
4:15 PM
19.4

5:00 PM-5:00 PM: Friday, 10 November 2006


23rd Conference on Severe Local Storms Concludes