23rd Conference on Severe Local Storms

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Sunday, 5 November 2006

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


Conference Registration

Monday, 6 November 2006

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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
Recorded presentation

9:05 AM
1A.1
Tribute to James T. Moore
Charles E. Graves, Saint Louis Univ., St. Louis, MO
Recorded presentation

9:35 AM
1A.2
Keynote Talk: Severe thunderstorms in Europe: An overview of known climatology, warning and forecasting issues
Jenni Teittinen, Finnish Meteorological Institute, Helsinki, Finland
Recorded presentation

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
10:30 AM
1.1
Tornado and severe weather climatology and predictability by ENSO phase in the North Central U.S.: A compositing study
Barbara Mayes Boustead, NOAA/NWS, Valley, NE; and C. Cogil, G. Lussky, J. Boyne, and R. Ryrholm
Recorded presentation

Presentation PDF (279.1 kB)

10:45 AM
1.2
Synoptic evolution of significant tornado days over Nebraska and Iowa from the spring through mid-summer
Joshua M. Boustead, NOAA/NWS, Valley, NE; and P. N. Schumacher
Recorded presentation

Presentation PDF (2.8 MB)

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
Recorded presentation

Presentation PDF (1.6 MB)

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
Recorded presentation

Presentation PDF (299.2 kB)

11:30 AM
1.5
Statistical analysis of variables associated with convective initiation along the southern Plains dryline
Michael P. Griesinger, Texas Tech Univ., Lubbock, TX; and C. C. Weiss
Recorded presentation

Presentation PDF (360.3 kB)

11:45 AM
1.6
Filling the gap: Using severe storm climatologies to investigate the predictability and dynamics of precipitation episodes in the warm season
Michael J. Garay, Univ. of California, Los Angeles, CA; and R. Fovell and D. W. McCarthy
Recorded presentation

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
The Utility of Aircraft Soundings in Assessing the Near Storm Environment
Eugene S. Brusky, NOAA/NWS, Green Bay, WI; and R. D. Mamrosh
Recorded presentation

Presentation PDF (1.9 MB)

1:45 PM
2.2
Applications of Aircraft Sounding Data in Short-Term Convective Forecasting
Phil Kurimski, NOAA/NWS, Green Bay, WI; and E. S. Brusky
Recorded presentation

Presentation PDF (1.7 MB)

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
Recorded presentation

Presentation PDF (1.0 MB)

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
Recorded presentation

Presentation PDF (600.6 kB)

2:30 PM
2.5
Determining the Likelihood of Severe Weather Based on Model Output
Stephen Jaye, Univ. of Wisconsin, Madison, WI
Recorded presentation

Presentation PDF (142.0 kB)

2:45 PM
2.6
Synoptic and mesoscale influences on west Texas dryline development and associated convection
Christopher C. Weiss, Texas Tech Univ., Lubbock, TX; and D. M. Schultz
Recorded presentation

Presentation PDF (1.1 MB)

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
Environment characteristics associated with tornado events near closed cold core 500 mb lows
Jared L. Guyer, NOAA/NWS, Norman, OK; and J. M. Davies

Handout (199.7 kB)

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

P1.3
Total Cape, low-level CAPE, and LFC in significant tornado events with relatively high LCL heights
Jonathan M. Davies, Private Meteorologist, Wichita, KS

Handout (2.2 MB)

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.

P1.10
Coherent tropopause disturbances on the periphery of continental anticyclones as triggers for mesoscale convective systems
Thomas J. Galarneau Jr., NCAR, Boulder, CO; and L. Bosart

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)

P1.12
Severe Weather Threat Discrimination in Southeast Oregon and Southwest Idaho using Pre-storm Environmental Data
Melissa Hurlbut, NOAA/NWS, Boise, ID; and S. S. Parker

Handout (280.4 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)

P2.5
Severe weather during the North American Monsoon

P2.6
SVRGIS: Geographic Information System (GIS) Graphical Database of Tornado, Large Hail, and Damaging Wind Reports in the United States (1950-2005)
Bryan T. Smith, Ball State Univ., Muncie, IN

Handout (564.2 kB)

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
4:30 PM
3.1
Observations of Low Level Thermodynamic and Wind Shear Profiles on Significant Tornado Days
Daniel J. Miller, NOAA/NWS, Duluth, MN
Recorded presentation

Presentation PDF (376.3 kB)

4:45 PM
3.2
Tornado failure modes in central and southern Great Plains severe thunderstorm episodes
Richard L. Thompson, SPC, Norman, OK; and C. M. Mead
Recorded presentation

Presentation PDF (192.7 kB)

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
Recorded presentation

5:15 PM
3.4
The interaction of gravity waves with tornadoes and mesocyclones: theories and observations
Timothy A. Coleman, Univ. of Alabama, Huntsville, AL; and K. Knupp
Recorded presentation

Presentation PDF (845.0 kB)

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
Recorded presentation

Presentation PDF (520.8 kB)

5:45 PM
3.6
A potentially valuable WSR-88D severe storm pre-cursor signature in highly dynamic, low CAPE, high shear environments
Llyle J. Barker III, NOAA/NWS, Lincoln, IL
Recorded presentation

Presentation PDF (987.3 kB)

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


Sessions End for the Day

Tuesday, 7 November 2006

Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | top

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
Recorded presentation

Presentation PDF (171.7 kB)

8:45 AM
4.2
Cool season significant (F2-F5) tornadoes in the Gulf Coast states
Jared L. Guyer, NOAA/NWS, Norman, OK; and A. K. Kis, K. N. Venable, and D. A. Imy
Recorded presentation

Presentation PDF (656.1 kB)

9:00 AM
4.3
RUC Soundings with Cool Season Tornadoes in "Small" CAPE Settings and the 6 November 2005 Evansville, Indiana Tornado
Jonathan M. Davies, Private Meteorologist, Wichita, KS
Recorded presentation

Presentation PDF (2.3 MB)

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
Recorded presentation

9:30 AM
4.5
Observations of a non-supercell tornadic thunderstorm from a Terminal Doppler Weather Radar
Justin D. Lane, NOAA/NWSFO, Greer, SC; and P. D. Moore
Recorded presentation

Presentation PDF (1.8 MB)

9:45 AM
4.6
A case example of the role of warm-sector convection in the development of mesoscale banded snowfall: 2003 November 22-24
Martin A. Baxter, Central Michigan Univ., Mount Pleasant, MI; and C. E. Graves
Recorded presentation

Presentation PDF (1.9 MB)

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
Recorded presentation

Presentation PDF (634.1 kB)

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
Recorded presentation

Presentation PDF (721.4 kB)

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
Recorded presentation

Presentation PDF (123.2 kB)

11:30 AM
5.5
Implementing the new Enhanced Fujita scale within the NWS
James LaDue, NOAA/NWS, Norman, OK; and E. A. Mahoney
Recorded presentation

Presentation PDF (929.7 kB)

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
Recorded presentation

Presentation PDF (170.5 kB)

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
1:30 PM
6.1
Observations and quantification of low-level mesovortex evolution within the 4 July 2004 southwest Missouri high wind event
Angela Lese, NOAA/NWSFO, Louisville, KY
Recorded presentation

Presentation PDF (747.6 kB)

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
Recorded presentation

Presentation PDF (1.1 MB)

2:00 PM
6.3
Investigation of derecho storms in Oklahoma and the causes of highest surface wind speeds
Elizabeth M. Stoppkotte, Univ. of Oklahoma, Norman, OK; and M. D. Long
Recorded presentation

Presentation PDF (390.5 kB)

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
Recorded presentation

Presentation PDF (2.3 MB)

2:30 PM
6.5
Idealized simulations of nocturnal severe wind-producing convective systems
Matthew D. Parker, North Carolina State Univ., Raleigh, NC
Recorded presentation

Presentation PDF (2.6 MB)

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
Recorded presentation

Presentation PDF (970.2 kB)

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)

P3.2
Environmental and Synoptic Conditions Associated with Cool Season Strong and Violent Tornadoes in the North Central United States
Mark F. Britt, NOAA/NWSFO, St. Charles, MO; and F. H. Glass

Handout (850.1 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 4
Bow Echoes and Derecho Producing Systems, BAMEX
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P4.1
Severe Weather during the Lifetimes of MCSs that Affect a Limited Area of the Great Plains during the Morning Hours
Therese E. Thompson, Univ. of Oklahoma, Norman, OK; and C. E. Hane, D. L. Andra Jr., and F. H. Carr

Handout (52.0 kB)

P4.2
Observed radar and environmental properties of United States warm season bow echo convective modes

P4.3
Evolution and maintenance of the 22-23 June 2003 nocturnal convection during BAMEX
Jerilyn M. Billings, North Carolina State Univ., Raleigh, NC; and M. D. Parker

Handout (1.9 MB)

P4.4
On the Genesis and Strength of Mesovortices Formed within Bow Echoes
Nolan T. Atkins, Lyndon State College, Lyndonville, VT

Handout (726.9 kB)

P4.5
The relative importance of lower-level and upper-level shear on the intensity of squall lines
George H. Bryan, NCAR, Boulder, CO; and M. L. Weisman

P4.6
The relative importance of lower-level and upper-level shear on the lifting of environmental air by gravity currents
George H. Bryan, NCAR, Boulder, CO

P4.7
A Preliminary Assessment of the Environmental and Radar Characteristics of Tornadic and Non-tornadic Mesovortices Associated with QLCSs
Ray A. Wolf, NOAA/NWS, Davenport, IA

Handout (19.7 kB)


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)

P5.3
The utility of three-dimensional radar displays in severe weather warning operations
Daniel Nietfeld, NOAA, Valley, NE

Handout (3.0 MB)

P5.4
Application of Climate Statistics and Ensemble Forecasts in the Prediction of Severe Weather Episodes
David Bright, NOAA/NWS/NCEP/SPC, Norman, OK; and R. H. Grumm

Handout (358.4 kB)

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
Dropsonde derived structure of Mesoscale Convective Systems observed during BAMEX
Jimmy Correia, Iowa State Univ., Ames, IA; and R. Arritt
Recorded presentation

Presentation PDF (955.1 kB)

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
Recorded presentation

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
Recorded presentation

Presentation PDF (1.3 MB)

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
Recorded presentation

5:30 PM
7.5
Mechanisms for the production of severe surface winds in a simulation of an elevated convective system
George H. Bryan, NCAR, Boulder, CO; and M. L. Weisman
Recorded presentation

Presentation PDF (424.5 kB)

5:45 PM
7.6
Influence of BAMEX mesoscale convective vortices on secondary deep convection
S. B. Trier, NCAR, Boulder, CO; and C. A. Davis
Recorded presentation

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

Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | top

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
Recorded presentation

Presentation PDF (964.4 kB)

8:45 AM
8.2
Evaluating the benefits of TAMDAR data in convective forecasting
Cyrena-Marie Druse, AirDat LLC., Evergreen, CO
Recorded presentation

Presentation PDF (196.4 kB)

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
Recorded presentation

Presentation PDF (489.4 kB)

9:15 AM
8.4
Using ensemble probability forecasts and high resolution models to identify severe weather threats
Josh Korotky, NOAA/NWS, Pittsburgh, PA; and R. H. Grumm
Recorded presentation

Presentation PDF (1.7 MB)

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
Recorded presentation

Presentation PDF (443.9 kB)

9:45 AM
8.6
An Observational Assessment of Off-Hodograph Deviations for use in Operational Supercell Motion Forecasting Methods
Matthew J. Bunkers, NWS, Rapid City, SD
Recorded presentation

Presentation PDF (100.8 kB)

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
Recorded presentation

Presentation PDF (1.7 MB)

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
Recorded presentation

11:00 AM
9.3
A climatology of tornadoes in Finland
Jenni Teittinen, Finnish Meteorological Institute, Helsinki, Finland; and H. E. Brooks
Recorded presentation

Presentation PDF (93.2 kB)

11:15 AM
9.4
Mesocyclones in Romania – characteristics and environments
Aurora Stan-Sion, National Meteorological Administration, Bucharest, Romania; and B. Antonescu
Recorded presentation

Presentation PDF (742.9 kB)

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
Recorded presentation

9.6
Study on Characteristics of Severe Convection and Potential Prediction in China

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
Recorded presentation

Presentation PDF (1.4 MB)

1:45 PM
10.2
Tornadic Mini-Supercells in Northern Canada
Patrick J. McCarthy, MSC, Winnipeg, MB, Canada; and S. Massey and D. Patrick
Recorded presentation

Presentation PDF (1.3 MB)

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
Recorded presentation

Presentation PDF (387.8 kB)

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

Presentation PDF (862.5 kB)

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
Recorded presentation

Presentation PDF (994.2 kB)

10.6
An Analysis for a Thunderstorm Weather Event on 28 April 2006 in Shandong Province

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

P7.2
Fatalities associated with non-convective high wind events in the United States
Alan W. Black, University of Georgia, Athens, GA; and W. S. Ashley


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
Electrical behavior of downburst-producing convective storms over the High Plains
Kenneth L. Pryor, NOAA/NESDIS, Camp Springs, MD

Handout (39.0 kB)

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)

P9.2
Hail spike impacts on Doppler radial velocity data during several recent Lower Ohio Valley convective events
Chris Smallcomb, NOAA/NWSFO, Reno, NV

Handout (2.3 MB)

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

P9.8
Fine-scale Mobile Mesonet and Stick-net observations of a non-tornadic HP supercell near Scottsbluff, NE
Jaret W. Rogers, NOAA/NWS, Norman, OK; and C. C. Weiss

Handout (103.6 kB)

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
Interpretation of simulated WSR-88D Doppler velocity signatures of tornadoes associated with nonuniform reflectivities
Rodger A. Brown, NOAA/NSSL, Norman, OK; and V. T. Wood and D. Dowell

Handout (621.9 kB)

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
A detailed radar analysis of an extremely long-tracked supercell on 12 March 2006
Jason T. Martinelli, Creighton Univ., Omaha, NE


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
Recorded presentation

Presentation PDF (45.3 kB)

4:45 PM
11.2
A cyclone at the Cyclone game on Nov. 12 2005 -- a near-miss worst case scenario
William A. Gallus Jr., Iowa State Univ., Ames, IA
Recorded presentation

Presentation PDF (443.3 kB)

5:00 PM
11.3
Non-meteorological constraints that affect convective weather forecasting
Sarah J. Corfidi, NOAA/NWS, Norman, OK; and S. F. Corfidi
Recorded presentation

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
Recorded presentation

Presentation PDF (2.1 MB)

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
Recorded presentation

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
Recorded presentation

Presentation PDF (73.8 kB)

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

Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | top

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
8:30 AM
12.1
Preliminary evaluation of a parameter to forecast environments conducive to non-mesocyclone tornadogenesis
Dan A. Baumgardt, NOAA/NWS, La Crosse, WI; and K. R. Cook
Recorded presentation

Presentation PDF (684.7 kB)

8:45 AM
12.2
A Mesoscale and Storm-Scale Analysis of the Rapid Mini-Supercell Formation and Tornadogenesis Associated With A Remnant Tropical System
Mark Bacon, NOAA/NWS, Wilmington, NC; and S. Pfaff
Recorded presentation

Presentation PDF (540.9 kB)

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
Recorded presentation

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
Recorded presentation

Presentation PDF (649.2 kB)

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
Recorded presentation

Presentation PDF (293.3 kB)

12.6
Case Studies of Elevated, Nocturnal Severe Storms

10:00 AM
12.6A
Hurricane and tropical cyclone tornado environments from RUC proximity soundings (Formerly P8.1)
Jonathan M. Davies, Private Meteorologist, Wichita, KS
Recorded presentation

Presentation PDF (1.9 MB)

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
Recorded presentation

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
Recorded presentation

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
Recorded presentation

11:15 AM
13.4
Precipitation-independent supercell tornadogenesis
Adam L. Houston, Univ. of Nebraska, Lincoln, NE; and M. D. Parker
Recorded presentation

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
Recorded presentation

Presentation PDF (350.8 kB)

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
Recorded presentation

Presentation PDF (1.7 MB)

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
Recorded presentation

Presentation PDF (943.7 kB)

1:45 PM
14.2
Visual Characteristics of Severe Storms
Michael A. Magsig, NOAA/NWS/WDTB, Norman, OK; and J. LaDue and M. Yuan
Recorded presentation

Presentation PDF (57.5 kB)

2:00 PM
14.3
Dynamic Measurements of the Lowest 10 meters of Tornadoes
Timothy M. Samaras, Applied Research Associates, Inc., Littleton, CO
Recorded presentation

2:15 PM
14.4
Some potentially interesting differences in the midlevel kinematic characteristics of a nontornadic and tornadic supercell observed by ELDORA during VORTEX
Paul Markowski, Pennsylvania State Univ., University Park, PA
Recorded presentation

Presentation PDF (2.0 MB)

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
Recorded presentation

Presentation PDF (674.0 kB)

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
Recorded presentation

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
Global properties of a simple axisymmetric simulation of tornadogenesis
Robert Davies-Jones, NOAA/NSSL, Norman, OK

Handout (2.3 MB)

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
P11.1
The sensitivity of convective initiation to the lapse rate of the active cloud-bearing layer
Adam L. Houston, Univ. of Nebraska, Lincoln, NE; and D. Niyogi

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

P11.6
The role of environmental and computational parameters in the development and impact of the forward-flank gust front in supercell thunderstorms
Jeffrey Beck, Texas Tech Univ., Lubbock, TX; and C. C. Weiss

Handout (127.6 kB)


Poster Session 12
Case Studies
Location: Pre-Convene Space (Adam's Mark Hotel)
Host: 23rd Conference on Severe Local Storms
P12.1
Observations of a mesoscale convective vortex, downbursts, and small-scale vortices associated with a heatburst event
Kevin R. Knupp, Univ. of Alabama, Huntsville, AL; and D. Phillips

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)

P12.7
Mesocyclone and RFD induced damaging winds observed in the 27 May 2004 southwest Ohio supercell
John T. DiStefano, NOAA/NWSFO, Wilmington, OH

Handout (715.2 kB)

P12.8
Low-topped supercell evolution in association with a mesoscale convective vortex across northern Illinois, August 24th, 2004
Nathan Marsili, NOAA/NWS, Romeoville, IL; and W. H. Wilson

Handout (1.9 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
Recorded presentation

Presentation PDF (2.4 MB)

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
Recorded presentation

Presentation PDF (2.9 MB)

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
Recorded presentation

5:30 PM
15.4
Rapid-Scan 3D observations of a tornado
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and P. Robinson
Recorded presentation

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
Recorded presentation

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
Recorded presentation

Presentation PDF (360.2 kB)

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
Recorded presentation

Presentation PDF (2.4 MB)

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

Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | top

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.
8:30 AM
16.1
High resolution simulations of the 3 May 1999 Oklahoma tornado outbreak: impact of microphysics on cold pool intensity and storm morphology
Daniel T. Dawson II, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue and G. Zhang
Recorded presentation

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
Recorded presentation

Presentation PDF (776.4 kB)

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
Recorded presentation

Presentation PDF (400.7 kB)

9:15 AM
16.4
Sensitivity of tornadogenesis in very-high-resolution numerical simulations to variations in model microphysical parameters
Nathan Snook, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue
Recorded presentation

Presentation PDF (545.9 kB)

9:30 AM
16.5
Numerical simulation of tornadogenesis in a supercell storm
Ken-ichi Shimose, Kyushu Univ., Fukuoka, Japan; and T. Kawano
Recorded presentation

Presentation PDF (1.7 MB)

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
Recorded presentation

Presentation PDF (683.3 kB)

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
Recorded presentation

Presentation PDF (462.2 kB)

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
Recorded presentation

Presentation PDF (465.7 kB)

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
Recorded presentation

Presentation PDF (761.6 kB)

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
Recorded presentation

Presentation PDF (1.4 MB)

11:30 AM
17.5
High Resolution Numerical Simulations of Midwestern Quasi-Linear Mesoscale Convective Systems
Robert W. Pasken, Saint Louis Univ., Saint Louis, MO; and J. T. Martinelli
Recorded presentation

Presentation PDF (2.9 MB)

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
Recorded presentation

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
Recorded presentation

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

2:00 PM
18.3
Evolution of the mesoscale environment prior to the 12 March 2006 Missouri Ozarks tornado outbreak
Gino Izzi, NOAA/NWSFO, Springfield, MO; and J. P. Gagan
Recorded presentation

Presentation PDF (434.1 kB)

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
Recorded presentation

Presentation PDF (447.0 kB)

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
Recorded presentation

Presentation PDF (488.7 kB)

2:45 PM
18.6
The Role of a Squall-line and Boundary Interaction in the Development of the Long-lived 21-22 July 2003 Tornadic Supercell across Eastern New York and Western New England
Thomas A. Wasula, NOAA/NWS, Albany, NY; and K. D. LaPenta
Recorded presentation

Presentation PDF (1.3 MB)

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
3:30 PM
19.1
Analysis of the 2 April 2006 Quasi-Linear Convective System (QLCS) over the Mid-Mississippi Valley Region: Storm Structure and Evolution from WSR-88D data
Ron W. Przybylinski, NOAA/NWSFO, Saint Charles, MO; and J. E. Sieveking Jr., G. K. Schmocker, and N. T. Atkins
Recorded presentation

Presentation PDF (873.3 kB)

3:45 PM
19.2
Storm mode evolution from a quasi-linear convective system to a discrete tornadic supercell during the historic Wisconsin tornado outbreak of 18 August 2005: a radar perspective
Seth Binau, NOAA/NWS, La Crosse, WI; and D. A. Baumgardt
Recorded presentation

Presentation PDF (1.0 MB)

4:00 PM
19.3
An Overview of the May 10, 2003 Tornado Outbreak
Fred H. Glass, NOAA/NWSFO, St. Charles, MO
Recorded presentation

Presentation PDF (1.8 MB)

4:15 PM
19.4
Sampling Issues Associated with the Evansville Tornado and other nearby Supercells on the Early Morning of 6 November 2005: Challenges to Operational Forecasters
Patrick J. Spoden, NOAA/NWSFO, West Paducah, KY; and R. Przybylinski, C. Wielgos, and R. Shanklin

Presentation PDF (474.1 kB)

4:30 PM
19.5
The Wrentham Tornado of 2004: Evolution of a Tornadic HP Supercell from a Pronounced Splitting Bow Echo in the WFO Taunton, MA County Warning Area
David R. Vallee, NOAA/NWS, Taunton, MA; and F. M. Nocera
Recorded presentation

Presentation PDF (2.3 MB)

4:45 PM
19.6
An Examination of the Mesoscale Environment of the James Island Memorial Day Tornado
Steven B. Taylor, NOAA/NWS, Charleston, SC
Recorded presentation

Presentation PDF (422.2 kB)

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


23rd Conference on Severe Local Storms Concludes
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