24th Conference on Severe Local Storms (27–31 October 2008)

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Monday, 27 October 2008

9:00 AM-10:05 AM: Monday, 27 October 2008


1
Climate Change and Severe Weather
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Lance F. Bosart, SUNY

Papers:
  9:00 AM
Introductory Remarks

  9:05 AM
1.1
  9:35 AM
1.3
Transient response of severe convective storm forcing associated with global increases in greenhouse gas concentrations
Robert J. Trapp, Purdue Univ., West Lafayette, IN ; and N. S. Diffenbaugh and A. Gluhovsky

  9:50 AM
1.4

10:05 AM-10:30 AM: Monday, 27 October 2008


Coffee Break
Location: Madison Ballroom (Hilton DeSoto)

10:30 AM-12:00 PM: Monday, 27 October 2008


2
Geary, OK and Greensburg, KS storms
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: James G. LaDue, NOAA/NWS

Papers:
  10:30 AM
2.1
Structure and evolution of the 29 May 2004 Geary, OK tornadic supercell thunderstorm
Michael I. Biggerstaff, Univ. of Oklahoma, Norman, OK; and K. M. Kuhlman, D. P. Betten, D. R. MacGorman, G. D. Carrie, and C. L. Ziegler

  10:45 AM
2.2
Evolution of low-level rotation in the tornadic 29 May 2004 Geary, Oklahoma supercell storm
Conrad L. Ziegler, NOAA/NSSL, Norman, OK ; and K. M. Kuhlman, M. I. Biggerstaff, D. P. Betten, L. J. Wicker, E. R. Mansell, and D. R. MacGorman

  11:00 AM
2.3
  11:15 AM
2.4
The Greensburg, KS tornadic storm: a storm of extremes
Leslie R. Lemon, CIMMS/Univ. of Oklahoma, Norman, OK; and M. Umschied

  11:30 AM
2.5
Polarimetric-radar signatures associated with the Greensburg, Kansas tornado
Howard B. Bluestein, Univ. of Oklahoma, Norman, OK; and K. Hardwick, M. Umschied, R. L. Tanamachi, J. Houser, and S. J. Frasier

  11:45 AM
2.6
X-band, mobile Doppler radar data collected in a tornadic thunderstorm: Data assimilation experiments
Robin L. Tanamachi, Univ. of Oklahoma, Norman, OK ; and L. J. Wicker, D. C. Dowell, H. B. Bluestein, S. J. Frasier, and K. Hardwick

12:00 PM-1:30 PM: Monday, 27 October 2008


Lunch Break

1:30 PM-3:00 PM: Monday, 27 October 2008


3A
Super Tuesday Outbreak
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Ron W. Przybylinski, NOAA/NWSFO

Papers:
  1:30 PM
The 2008 Super Tuesday Tornado Outbreak: Overview of the tornadoes and their parent storms
Kevin R. Knupp, University of Alabama in Huntsville, Huntsville, AL ; and T. Coleman, W. Petersen, and L. Carey

  2:15 PM
Analysis of the elevated mixed layer during the Super Tuesday outbreak
Christina C. Crowe, University of Alabama at Huntsville, Huntsville, AL ; and J. R. Mecikalski

  2:30 PM
  2:45 PM
The 2008 Super Tuesday Severe Weather Outbreak: An Arkansas Perspective
C. C. Buonanno, NOAA/NWS, North Little Rock, AR; and J. A. Lewis III


3B
Polarimetric Radar Observations and Lightning
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Michael I. Biggerstaff, Univ. of Oklahoma

Papers:
  1:30 PM
Total lightning trend analysis of two EF-4 tornado producing supercells from February 6, 2008
Christopher J. Schultz, Univ. of Alabama, Huntsville, AL; and W. A. Petersen

  2:00 PM
Use of vertically integrated ice in WRF-based forecasts of lightning threat
Eugene W. McCaul Jr., USRA, Huntsville, AL ; and S. J. Goodman

Poster PDF (237.0 kB)
  2:30 PM
Spectral analysis of dual-polarization radar signals in a tornadic supercell storm
Yadong Wang, Univ. of Oklahoma, Norman, OK; and X. Xiao and T. Y. Yu

Poster PDF (994.6 kB)
  2:45 PM
ARMOR dual-polarimetric radar observations of tornadic debris signatures
Walter A. Petersen, NASA / MSFC, Huntsville, AL ; and L. D. Carey, K. R. Knupp, C. J. Schultz, and E. V. Johnson

3:00 PM-4:30 PM: Monday, 27 October 2008


Poster Session 1
Climate Change and Severe Weather Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
First results of climate change impacts on severe convective storms over Europe
Julia Sander, DLR Deutsches Zentrum für Luft- und Raumfahrt, Wessling, , Germany; and N. Dotzek

Poster PDF (879.2 kB)

Poster Session 2
Super Tuesday Outbreak Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
Analysis of the tornado warnings for the 123 mile long tornado track during the Super Tuesday Outbreak
Caitlin I. Ross, University of Nebraska, Lincoln, NE ; and D. Nietfeld and N. Umphlett

 
Microphysical processes in two tornadic supercells inferred from ARMOR dual-polarimetric radar observations
Lawrence D. Carey, University of Alabama in Huntsville, Huntsville, AL; and W. A. Petersen and K. R. Knupp

 
The 2008 Super Tuesday Tornado Outbreak: Synthetic dual Doppler analysis of contrasting tornadic storm types
Kevin Knupp, University of Alabama in Huntsville, Huntsville, AL ; and T. Coleman, L. Carey, W. Petersen, and C. Elkins


Poster Session 3
Supercells and Tornadoes Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
An Analysis of a Prolific Tornado-producing Cyclic Supercell Thunderstorm in Nuckolls County Nebraska, May 24, 2004
John P. Monteverdi, San Francisco State Univ., San Francisco, CA; and E. Polito, M. Gough, R. Bethke, and T. Seddon

http://tornado.sfsu.edu/Activities/SLS_Conference_2008/index.html

Poster PDF (720.5 kB)
 
The Rosita Valley, TX tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and L. Eblen

Poster PDF (1.3 MB)
 
The Parkersburg, IA tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and K. Jungbluth and A. Baca

Poster PDF (1.5 MB)
 
A skirted Rankine combined vortex model
Vincent T. Wood, NOAA/NSSL, Norman, OK; and L. W. White

Poster PDF (387.9 kB)
 
An investigation of the significant tornado outbreak in southern South Carolina and northern coastal Georgia on March 15, 2008
Frank Alsheimer, NOAA/NWSFO, North Charleston, SC; and R. Bright, J. Jelsema, W. Moen, J. Quagliariello, and D. Berry

Poster PDF (2.5 MB)
 
A Tale of Two Supercells: The Randall County storms of 16-17 October 2007
Matthew R. Kramar, NOAA/NWSFO, Sterling, VA; and J. K. Jordan

http://home.comcast.net/~matthew.kramar/Kramar%20and%20Jordan%2024SLS%20manuscript.pdf

Poster PDF (8.8 kB)
 
Structural variability of miniature supercells in tropical cyclone rainbands
Matthew D. Eastin, University of North Carolina at Charlotte, Charlotte, NC

 
Coordinated in-situ and remote sampling of supercell thunderstorms
Christopher C. Weiss, Texas Tech University, Lubbock, TX ; and J. Wurman

 
Diagnotic calculations of motions of vertical velocity and low-level vertical vorticity maxima in radar data and numerically simulated supercell thunderstorms
Robin L. Tanamachi, Univ. of Oklahoma, Norman, OK ; and R. Davies-Jones, H. B. Bluestein, D. C. Dowell, and H. Cai

 
TWISTEX 2008: In situ and mobile mesonet observations of tornadoes
Christopher D. Karstens, Iowa State University, Ames, IA; and T. M. Samaras, A. Laubach, B. D. Lee, C. A. Finley, W. A. Gallus Jr., and F. L. Haan Jr.

Poster PDF (751.7 kB)
 
Dual-Doppler analyses of the 4 May, 2007 supercell that produced the Greensburg, KS tornado
Jana Lesak Houser, Univ. of Oklahoma, Norman, OK ; and H. B. Bluestein, K. Hardwick, S. J. Frasier, and M. Umscheid

 
Thermodynamic and kinematic analysis near and within the Tipton, KS tornado on May 29 during TWISTEX 2008
Bruce D. Lee, WindLogics Inc., Grand Rapids, MN; and C. A. Finley and T. M. Samaras

Poster PDF (684.5 kB)
 
The April 28, 2008 Southeast Virginia Historic Tornado Outbreak
Bryan Jackson, NOAA/NWSFO, Sterling, VA; and J. Billet

Poster PDF (2.4 MB)
 
The development of multiple low-level mesocyclones within a supercell
Joshua M. Boustead, NOAA/NWS, Valley, NE; and P. N. Schumacher

Poster PDF (655.8 kB)
 
Evaluation of NWS Watch and Warning Performance Related to Tornadic Events
Kelly M. Keene, Texas A&M University, College Station, TX; and P. T. Schlatter, J. E. Hales, and H. Brooks

Poster PDF (130.0 kB)
 
DOW observations of multiple vortex structure in several tornadoes
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and K. A. Kosiba

Poster PDF (2.9 MB)
 
A preliminary result of statistics for meso-vortex-signatures in Japan detected by MRI-MDA
Osamu Suzuki, Meteorological Research Institute, Tsukuba, Ibaraki, Japan; and H. Yamauchi, M. Nakazato, and H. Inoue

 
Analysis of the Stuttgart Arkansas tornado
Boniface J. Mills, University of Louisiana at Monroe, Monroe, LA ; and D. Wheeler and D. Jones

 
The Association of Cell Mergers with Tornado Occurrence
Jaret W. Rogers, NOAA/NWSFO Phoenix, Phoenix, AZ; and C. C. Weiss

Poster PDF (799.4 kB)
 
Analysis of atmospheric conditions associated with the Embry-Riddle tornado of Christmas Day 2006
John M. Lanicci, Embry-Riddle Aeronautical Univ., Daytona Beach, FL

Poster PDF (1.2 MB)
 
Nocturnal tornadoes and low-level static stability
Amanda K. Kis, School of Meteorology, University of Oklahoma, Norman, OK ; and J. M. Straka and K. M. Kanak

Poster PDF (554.5 kB)

Coffee Break and Formal Poster Viewing
Location: Madison Ballroom (Hilton DeSoto)

4:30 PM-5:30 PM: Monday, 27 October 2008


4
Supercells and Tornadoes
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Curtis R. Alexander, Center for Severe Weather Research

Papers:
  4:30 PM
4.1
The structure and evolution of vortex lines in supercell thunderstorms
Paul Markowski, Penn State University, University Park, PA; and Y. P. Richardson

  4:45 PM
4.2
  5:00 PM
4.3
  5:15 PM
4.4
Multi-Scale Simulations of the 26 August 2007 Northwood, ND EF4 Tornado
Jeffrey S. Tilley, Univ. of North Dakota, Grand Forks, ND ; and C. J. Theisen and M. Askelson

5:30 PM-7:00 PM: Monday, 27 October 2008


Icebreaker Reception
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

7:00 PM-7:45 PM: Monday, 27 October 2008


4A
VORTEX 2 Town Hall Meeting
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
4A.1
Vortex 2: The Second Verification of the Origins of Rotation in Tornadoes Experiment

7:45 PM-9:00 PM: Monday, 27 October 2008


5
VORTEX2-Related Contributions
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Harold E. Brooks, NOAA/NSSL

Papers:
  7:45 PM
5.1
The 2007 and 2008 MOBILE Experiment: Development and testing of the TTU StickNet platforms
Christopher C. Weiss, Texas Tech University, Lubbock, TX ; and J. L. Schroeder

  8:00 PM
5.2
Storm-scale sampling strategies for the mobile C-band Doppler radars during VORTEX2
Michael I. Biggerstaff, Univ. of Oklahoma, Norman, OK; and D. W. Burgess, G. D. Carrie, E. R. Mansell, L. J. Wicker, and C. L. Ziegler

  8:15 PM
5.3
Severe-storm data collected in the Southern Plains by three mobile Doppler radars during the spring, 2007 and 2008
Howard B. Bluestein, Univ. of Oklahoma, Norman, OK; and I. PopStefanija, V. Venkatesh, P. S. Tsai, R. L. Tanamachi, M. M. French, J. C. Snyder, J. Houser, D. T. Dawson II, C. Baldi, B. Seeger, S. J. Frasier, J. Knorr, and R. Bluth

  8:45 PM
5.5
Comparison of polarimetric radar observations of tornadic supercells at S, C, and X bands
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and J. Snyder, A. V. Ryzhkov, D. S. Zrnic, S. Frasier, and H. B. Bluestein

Tuesday, 28 October 2008

8:30 AM-10:15 AM: Tuesday, 28 October 2008


6
Bow Echoes and Mesoscale Convective Systems
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Robert J. Trapp, Purdue Univ.

Papers:
  8:30 AM
6.1
  8:45 AM
6.2
Flash-flood-producing convective systems associated with mesoscale convective vortices
Russ S. Schumacher, Colorado State University, Fort Collins, CO ; and R. H. Johnson

  9:00 AM
6.3
  9:15 AM
6.4
The 19 July 2006 Midwest Derecho: A Meteorological Perspective and Lessons Learned
Ron W. Przybylinski, NOAA/NWSFO, Saint Charles, MO; and J. E. Sieveking, B. D. Sipprell, and J. L. Guyer

  9:30 AM
6.5
Analysis of the 21 July 2006 Greater St. Louis and Southwest Illinois Bow Echo event
James E. Sieveking, NOAA/NWSFO, St. Charles, MO ; and R. W. Przybylinski

  9:45 AM
6.6
Observations from the 23 August 2007 Chicago Derecho
Gino Izzi, NOAA/NWS, Chicago, IL; and R. W. Przybylinski, A. Lese, and R. Coomer

  10:00 AM
6.7
On The Genesis of Bow Echo Mesovortices
Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and M. St. Laurent

10:15 AM-10:45 AM: Tuesday, 28 October 2008


Coffee Break
Location: Madison Ballroom (Hilton DeSoto)

10:45 AM-12:00 PM: Tuesday, 28 October 2008


7A
Tropical Cyclones and Severe Weather
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Russ S. Schumacher, Colorado State Univ.

Papers:
  11:00 AM
Composite Distribution and Analysis of Tropical Cyclone Tornadoes: 1950-2005
Lori A. Schultz, University of Alabama - Huntsville, Huntsville, AL ; and D. J. Cecil

  11:15 AM
Reintensification of Tropical Storm Erin (2007) over Oklahoma
Thomas J. Galarneau Jr., NCAR, Boulder, CO; and L. F. Bosart and R. S. Schumacher

  11:30 AM
A high-impact predecessor rain event over the midwest associated with Tropical Storm Erin (2007)
Thomas J. Galarneau Jr., NCAR, Boulder, CO; and L. F. Bosart and R. S. Schumacher

  11:45 AM

7B
Developments in Use of Satellite and Radar Data
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Lawrence D. Carey, Univ. of Alabama

Papers:
  10:45 AM
  11:00 AM
Experimental, Satellite, Microphysically-Based, Early Alerts of Severe Convective Storms, Part 2: Evaluation of the Experimental Application
William L. Woodley, Woodley Weather Consultants, Littleton, CO ; and D. Rosenfeld, G. Kelman, and J. Golden

  11:15 AM
Comparing Detection Methods of Deep Convective Clouds in China with AMSU-B and FY-2C
Zhoujie Cheng, Institute of Aviation Meteorology, Beijing, , China; and Y. Zhu, J. Liu, J. Bai, and W. Li

  11:30 AM
Dual-Doppler wind analysis of convective storms using the vertical vorticity equation
Alan Shapiro, University of Oklahoma, Norman, OK; and C. K. Potvin and J. Gao

  11:45 AM
Identifying critical strengths and limitations of current radar systems
Jennifer F. Newman, National Weather Center REU, Norman, OK, Norman, OK ; and D. LaDue and P. L. Heinselman

12:00 PM-1:30 PM: Tuesday, 28 October 2008


Lunch Break

1:30 PM-3:00 PM: Tuesday, 28 October 2008


8A
Watches, Warnings, and Decision Making
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Roger Edwards, NOAA/NWS/NCEP/SPC

Papers:
  1:30 PM
The Experimental Warning Program 2008 Spring Experiment at the NOAA Hazardous Weather Testbed
Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NWS/MDL, Norman, OK; and T. M. Smith, K. Manross, and D. L. Andra Jr.

http://ewp.nssl.noaa.gov

  1:45 PM
Experimental probabilistic hazard information in practice: Results from the 2008 EWP Spring Program
Kristin M. Kuhlman, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and T. M. Smith, G. J. Stumpf, K. L. Ortega, and K. L. Manross

  2:00 PM
Next generation warning products and services
John T. Ferree, NOAA/NWS Office of Climate, Water, and Weather Services, Norman, OK ; and K. A. Scharfenberg

  2:15 PM
Communicating severe local storm information to support decision-making: beyond the watch and the warning
Kevin A. Scharfenberg, NOAA/NWS Office of Climate, Water, and Weather Services, Norman, OK ; and D. L. Andra Jr., S. A. Erickson, J. T. Ferree, and R. S. Schneider

  2:30 PM
Emergency Managers: Weather Communication and Training
Somer A. Erickson, NSSL/NOAA, Norman, OK ; and H. E. Brooks, J. G. LaDue, and H. D. O'Hair

 
8A.6
The response of university students to Severe Weather Watches


8B
Near-Surface Tornado Winds and Tornado Damage
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Robin L. Tanamachi, Univ. of Oklahoma

Papers:
  1:30 PM
Using simulated tornado surface marks to help decipher near-ground wind fields
D. C. Lewellen, West Virginia Univ., Morgantown, WV; and M. I. Zimmerman

  1:45 PM
Determination of tornado intensity from forest damage
Veronika Beck, Technische Universität München, Garching, Germany; and N. Dotzek

  2:00 PM
Damage survey and deduction of vortex structure of the Greensburg, KS tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX; and D. McCarthy, J. G. LaDue, J. Wurman, C. R. Alexander, P. Robinson, and K. A. Kosiba

  2:15 PM
Deployments of a 12-site in situ Wind/T/RH instrument array in tornadoes
Joshua Wurman, Center for Severe Weather Research, Boulder, CO

  2:30 PM
Derivation of physically motivated wind speed scales - the E-scale concept
Nikolai Dotzek, DLR, Wessling, Germany

http://www.essl.org/people/dotzek/pdf/Dot07a-sub-rev.pdf

  2:45 PM
Experiences in using the EF-Scale since its inception
James G. LaDue, NOAA/NWS, Norman, OK; and K. L. Ortega

3:00 PM-4:30 PM: Tuesday, 28 October 2008


Poster Session 4
Bow Echoes, MCSs, and Mesoscale Processes Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
A case study of a long-lived warm-core circulation in the southern plains during the summer of 2007
Chad M. Shafer, University of Oklahoma, Norman, OK ; and K. H. Goebbert, A. D. Schenkman, and N. Snook

 
Composite RUC analyses of weakly-forced mesoscale convective systems
Jason Hwang, NOAA/NSSL; and D. J. Stensrud and M. C. Coniglio

 
The presence of thermal wind balance in MCS environments
Benjamin C. Baranowski, North Carolina State University, Raleigh, NC; and M. D. Parker

 
Processes That Influence The Damaging Potential of Bow Echo Mesovortices
Nolan T. Atkins, Lyndon State College, Lyndonville, VT ; and M. St. Laurent

 
Documentation of the overland reintensification of Tropical Storm Erin over Oklahoma, August 18, 2007
John P. Monteverdi, San Francisco State Univ., San Francisco, CA; and R. Edwards

http://tornado.sfsu.edu/Activities/SLS_Conference_2008/index.html

Poster PDF (821.5 kB)
 
An Observational Investigation of Mesoscale Convective Systems Crossing the Appalachian Mountains
Casey E. Letkewicz, North Carolina State University, Raleigh, NC; and M. D. Parker

Poster PDF (1.7 MB)
 
 
A detailed analysis of vortex characteristics within a tornadic quasi-linear convective system
Pamela M. Murray, Creighton University, Omaha, NE ; and J. Martinelli and J. B. Eylander

 
Rapid-scan observations of a bow echo storm with a dual-polarization WSR-88D
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and A. V. Ryzhkov

Poster PDF (1.7 MB)

Poster Session 5
Data Assimilation Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
EnKF data assimilation and dual-Doppler analysis of the 29 May 2004 Geary, Oklahoma supercell
Kristin M. Kuhlman, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and E. R. Mansell, C. L. Ziegler, M. I. Biggerstaff, D. R. MacGorman, and D. C. Dowell

 
EnKF analysis and forecast predictability of a tornadic supercell Storm
Edward R. Mansell, NOAA/NSSL, Norman, OK ; and L. J. Wicker


Poster Session 6
Forecasting, Warning, and Verification Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
P6.8 moved. New paper number 8A.6A

 
P6.9 has been moved. New paper number 9A.6A

 
Operational recognition of high precipitation efficiency and low echo centroid convection
Ted M. Ryan, NOAA/NWSFO, Fort Worth, TX; and J. D. Vitale

Poster PDF (1.7 MB)
 
Evaluation of ESTOFEX forecasts: Lightning forecasts
Harold E. Brooks, NOAA/NSSL, Norman, OK; and T. E. Thompson, C. S. Schwartz, C. M. Shafer, P. Marsh, A. Kolodziej, N. Dahl, and D. Buckey

 
Evaluation of ESTOFEX forecasts: Severe thunderstorm forecasts
Harold E. Brooks, NOAA/NSSL, Norman, OK; and T. E. Thompson, C. M. Shafer, C. Schwartz, P. Marsh, A. Kolodziej, N. Dahl, and D. Buckey

 
Evaluating hail diagnosis techniques using high resolution verification
Kiel L. Ortega, Univ. of Oklahoma/CIMMS and NOAA/NSSL, Norman, OK ; and A. G. Kolodziej, J. Young, C. J. Wilson, A. Witt, and T. M. Smith

Poster PDF (580.4 kB)
 
Forecasting summertime convection in western North Dakota using RAOB
Daniel A. Brothers, North Dakota Atmospheric Resource Board, Bismarck, ND

Poster PDF (326.6 kB)

Poster Session 7
Weather Hazards, Societal Impacts, and Public Perceptions Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
A constitution for personal flood safety
Jon W. Zeitler, NOAA/NWS/Austin-San Antonio Weather Forecast Office, New Braunfels, TX

Poster PDF (74.9 kB)
 
Assessing middle school and college students' conceptions about tornadoes and other weather phenomena
Elizabeth Polito, San Francisco State Univ., San Francisco, CA ; and K. Tanner and J. P. Monteverdi

Poster PDF (152.5 kB)
 
Vulnerability due to nocturnal tornadoes
Walker S. Ashley, Northern Illinois Univ., DeKalb, IL

Poster PDF (575.4 kB)
 
Non-tornadic convective wind fatalities in the United States
Alan W. Black, Northern Illinois Univ., DeKalb, IL; and W. S. Ashley

Poster PDF (115.7 kB)

Coffee Break and Formal Poster Viewing
Location: Madison Ballroom (Hilton DeSoto)

4:30 PM-6:00 PM: Tuesday, 28 October 2008


9A
Forecasting, Warning, and/or Verification
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Patrick J. McCarthy, MSC

Papers:
  4:45 PM
Forecast challenges at the NWS Storm Prediction Center relating to the frequency of favorable severe storm environments
Andrew R. Dean, CIMMS/Univ. of Oklahoma & NOAA/NWS Storm Prediction Center, Norman, OK; and R. S. Schneider

  5:00 PM
NWS tornado warnings with zero or negative lead times
J. Brotzge, CAPS/Univ. of Oklahoma, Norman, OK; and S. A. Erickson

 
9A.4
Graphically depicting local threat assessment and potential impact information during Peninsular Florida tornado situations

  5:30 PM
  5:45 PM
 
9A.6
A Distributions-Oriented Approach to Forecast Verification of SPC

  6:15 PM
Effective storm-based warning strategies (Formerly P6.9)
Kevin A. Scharfenberg, NOAA/NWS Office of Climate, Water, and Weather Services, Norman, OK ; and K. R. Cook, J. T. Ferree, B. N. Grant, and J. LaDue


9B
Data Assimilation
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: David J. Stensrud, NOAA/NSSL

Papers:
  4:30 PM
Impact of high temporal frequency radar data assimilation on storm-scale NWP model simulations
Nusrat Yussouf, Cooperative Institute for Mesoscale Meteorological Studies, Norman, OK; and D. J. Stensrud

  4:45 PM
Importance of Environmental Variability to Storm-scale Radar Data Assimilation
Jidong Gao, CAPS/Univ. of Oklahoma, Norman, OK; and D. J. Stensrud and M. Xue

  5:00 PM
Radar Reflectivity Assimilation for the Hourly RUC and Rapid Refresh
Stephen S. Weygandt, NOAA / ESRL / GSD, Boulder, CO; and S. G. Benjamin and J. M. Brown

 
9B.4
A multi-case comparative assessment of storm-scale ensemble forecasts initialized with ensemble Kalman filter radar-data assimilation

  5:30 PM
Presentation P5.2 to elaborate during this time.

  6:00 PM
Analysis of MCV Tornadoes through Storm-scale Data Assimilation and Simulations
Alexander D. Schenkman, University of Oklahoma, Norman, OK; and M. Xue, A. Shapiro, K. Brewster, and J. Gao

Poster PDF (2.8 MB)

8:00 PM-10:00 PM: Tuesday, 28 October 2008


Video Night I
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Wednesday, 29 October 2008

8:00 AM-8:45 AM: Wednesday, 29 October 2008


10
Mesoscale Processes and Modeling
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Paul M. Markowski, Penn State University

Papers:
  8:15 AM
A numerical investigation of the effects of dry air aloft on quasi-linear convective systems
Richard James, The Pennsylvania State University, University Park, PA ; and P. Markowski

  8:30 AM
Response of nocturnal convective systems to low-level jets and morning surface heating
Adam J. French, North Carolina State Univ., Raleigh, NC; and M. D. Parker

8:45 AM-10:00 AM: Wednesday, 29 October 2008


11
Numerical Weather Prediction I
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Paul M. Markowski, Penn State University

Papers:
  8:45 AM
Convection Forecasts from the Hourly Updated, 3-km High Resolution Rapid Refresh Model
Tracy Lorraine Smith, NOAA/ESRL/GSD and CIRA, Boulder, CO ; and S. G. Benjamin, J. M. Brown, S. S. Weygandt, T. Smirnova, and B. E. Schwartz

  9:00 AM
Evaluation of WRF forecasts of tornadic and nontornadic outbreaks occurring in the spring and fall when initialized with synoptic-scale input
Chad M. Shafer, University of Oklahoma, Norman, OK ; and A. E. Mercer, C. A. Doswell III, M. B. Richman, and L. M. Leslie

  9:15 AM
Severe storm forecast guidance based on explicit identification of convective phenomena in WRF-model forecasts
Ryan Sobash, University of Oklahoma, Norman, OK; and D. R. Bright, A. R. Dean, J. S. Kain, M. Coniglio, S. J. Weiss, and J. J. Levit

  9:30 AM
Predictability of mesoscale convective systems in two- and three-dimensional models
Matthew S. Wandishin, Univ. of Arizona and NSSL, Norman, OK ; and D. J. Stensrud, L. J. Wicker, and S. L. Mullen

  9:45 AM

10:00 AM-10:30 AM: Wednesday, 29 October 2008


Coffee Break
Location: Madison Ballroom (Hilton DeSoto)

10:30 AM-12:00 PM: Wednesday, 29 October 2008


12
Numerical Weather Prediction II
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Stephen S. Weygandt, NOAA/ESRL/GSD

Papers:
  10:30 AM
(Invited Talk) Severe-weather forecast guidance from the first generation of large domain convection-allowing models: Challenges and opportunities
John S. Kain, NOAA/NSSL, Norman, OK; and S. J. Weiss, S. R. Dembek, J. J. Levit, D. R. Bright, J. L. Case, M. Coniglio, A. R. Dean, R. Sobash, and C. S. Schwartz

  11:00 AM
CAPS Realtime Storm-scale Ensemble and High-resolution Forecasts as Part of the NOAA Hazardous Weather Testbed 2008 Spring Experiment
Ming Xue, CAPS/Univ. of Oklahoma, Norman, OK ; and F. Kong, K. Thomas, J. Gao, Y. Wang, K. Brewster, K. Droegemeier, J. S. Kain, S. J. Weiss, D. Bright, M. C. Coniglio, and J. Du

http://twister.ou.edu/papers/Xue_24SLS_conf_2008SpringExperiment.pdf

  11:15 AM
Real-Time Storm-Scale Ensemble Forecast 2008 Spring Experiment
Fanyou Kong, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue, K. K. Droegemeier, K. Thomas, Y. Wang, J. S. Kain, S. J. Weiss, D. R. Bright, and J. Du

  11:30 AM
Evaluation of WRF model output for severe-weather forecasting from the 2008 NOAA Hazardous Weather Testbed Spring Experiment
Michael C. Coniglio, NOAA/NSSL, Norman, OK ; and J. S. Kain, S. J. Weiss, D. R. Bright, J. J. Levit, G. W. Carbin, K. W. Thomas, F. Kong, M. Xue, M. L. Weisman, and M. E. Pyle

  11:45 AM
Explicit forecasting of bow echoes/derechoes with the WRF-ARW model
Morris L. Weisman, NCAR, Boulder, CO ; and W. Wang and K. Manning

12:00 PM-1:30 PM: Wednesday, 29 October 2008


Lunch Break

1:30 PM-3:00 PM: Wednesday, 29 October 2008


13A
Ensemble Forecasts of Severe Weather
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Steven J. Weiss, NOAA/NWS/NCEP/SPC

Papers:
  1:45 PM
Utilizing Short Range Ensemble Point Forecast Soundings for Severe Storms Forecasting
Jason J. Levit, NOAA/NWS/NCEP/SPC, Norman, OK ; and J. Hart, R. S. Schneider, D. R. Bright, and R. L. Thompson

  2:30 PM
Ensemble forecasts of severe convective storms
David C. Dowell, ESRL, Boulder, CO; and D. J. Stensrud

  2:45 PM
Toward improved convection-allowing ensembles: Model physics sensitivities and optimizing probabilistic guidance with small ensemble membership
Craig S. Schwartz, School of Meteorology, University of Oklahoma, Norman, OK ; and J. S. Kain, D. R. Bright, S. J. Weiss, M. Xue, F. Kong, J. J. Levit, M. C. Coniglio, and M. S. Wandishin


13B
Cool Season and Non-Convective Severe Weather
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Jenni Rauhala, Finnish Meteorological Institute

Papers:
  1:30 PM
13B.1 moved. New paper number P8.7

  1:31 PM
Analysis of cross-spectrum supercells during the north Georgia tornado event of 2 January 2006
Trisha D. Palmer, NOAA/NWSFO, Peachtree City, GA; and B. A. Miller, L. P. Rothfusz, and S. E. Nelson

http://www.srh.noaa.gov/ffc/html/tor010206b.shtml

  1:45 PM
  2:00 PM
Evolution of a Wintertime Pacific Northwest Mini-Supercell and Tornado
David Elson, NOAA/NWSFO, Portland, OR; and J. Wolfe, C. Dalton, and W. R. Schneider

  2:15 PM
Non-convective high wind events: a climatology for the Great Lakes region
John A. Knox, Univ. of Georgia, Athens, GA; and M. C. Lacke, J. D. Frye, A. E. Stewart, J. D. Durkee, C. M. Fuhrmann, and S. M. Dillingham

  2:30 PM

3:00 PM-4:30 PM: Wednesday, 29 October 2008


Poster Session 8
Cool Season and Non-Convective Severe Weather Posters
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
P8.1 moved. New paper number 13B.6

 
Cool season tornadoes in the southeast U.S
Stephen B. Konarik, NOAA/NWSFO, Peachtree City, GA; and S. E. Nelson

Poster PDF (139.5 kB)
 
Mesoscale analysis of wintertime nonmesocyclone tornadogenesis in northwest Texas: 27 December 2007
Mark R. Conder, NOAA/NWSFO, Lubbock, TX; and G. Skwira and T. T. Lindley

 
P8.5
Severe Local Coastal Storms: New Perspectives on Frequency, Intensity and Impacts

 
A diagnostic study of non-convective high winds in the 12-13 November 2003 Great Lakes cyclone
Christopher M. Fuhrmann, NOAA-Southeast Regional Climate Center and Univ. of North Carolina, Chapel Hill, NC ; and J. D. Durkee, J. A. Knox, S. M. Dillingham, J. D. Frye, A. E. Stewart, and M. C. Lacke

 
2007-2008 Cool season tornado climatology (Formerly 13B.1)
Madison Lindsay Burnett, National Weather Center Research Experiences for Undergraduates Program, Norman, OK; and G. W. Carbin and J. T. Schaefer

Poster PDF (132.8 kB)

Poster Session 9
Event Case Studies Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
A Comparison of Two Lake Breeze Severe Events with a Threat Chart Application
Thomas A. Wasula, NOAA/NWS, Albany, NY; and P. Wilson, L. F. Bosart, D. Keyser, and R. L. Tracey

Poster PDF (2.5 MB)
 
WRF-enabled diagnosis of the 12 March 2006 severe weather outbreak
Anthony E. Reinhart, University of Nebraska-Lincoln, Lincoln, NE; and R. J. Trapp

Poster PDF (128.6 kB)
 
The development of tornadic storms near a surface warm front in England
Pieter Groenemeijer, Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, , Germany; and U. Corsmeier and C. Kottmeier

 
Radar observations of a tornadic severe frontal rainband
Jenni Rauhala, Finnish Meteorological Institute, Helsinki, Finland; and A. J. Punkka

Poster PDF (686.2 kB)
 
Elie, Manitoba, Canada, June 22, 2007: Canada's first F5 tornado
Patrick J. McCarthy, MSC, Winnipeg, MB, Canada; and D. Carlsen and J. Slipec

Poster PDF (592.9 kB)
 
An analysis of the 22 May 2008 Windsor, Colorado, tornado
Daniel T. Lindsey, NOAA/NESDIS, Fort Collins, CO; and S. D. Miller, J. Braun, and D. Bikos

Poster PDF (492.1 kB)
 
Tornadic convection in the New York City Metropolitan Region: The 8 August 2007 event and a composite analysis
Brian A. Colle, Stony Brook University / SUNY, Stony Brook, NY; and K. Lombardo, J. S. Tongue, W. Goodman, and N. Vaz

 
Super-resolution polarimetric observations of a cyclic tornadic supercell
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and A. V. Ryzhkov and V. Melnikov

Poster PDF (2.6 MB)
 
An examination of radar and lightning characteristics of the “Atlanta Tornado” of March 14-15, 2008
John M. Trostel, Georgia Tech Research Institute, Atlanta, GA; and J. L. Matthews, C. Coyle, and N. W. S. Demetriades

Poster PDF (3.0 MB)
 
Mesoscale Aspects of the 11 March 2006 Severe Weather Outbreak
Fred H. Glass, NOAA/NWSFO, St. Charles, MO

Poster PDF (1.2 MB)
 
P9.16
Terminal Doppler Weather Radar observation of a cyclic tornado supercell

 
A case study of the 15 March 2008 South Carolina supercell outbreak
David A. Glenn, NOAA/NWSFO Columbia, South Carolina, West Columbia, SC ; and H. Coleman, A. W. Petrolito, and M. W. Cammarata


Poster Session 10
Numerical Modeling and Weather Prediction Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
P10.1 moved. New paper number 14.5A

 
Evaluation of WRF forecasts of tornadic and nontornadic outbreaks when initialized with synoptic-scale input: The utility of “base-state” parameters
Chad M. Shafer, University of Oklahoma, Norman, OK ; and A. E. Mercer, C. A. Doswell III, M. B. Richman, and L. M. Leslie

 
Next-day convection-allowing WRF model guidance: A second look at 2- vs. 4-km grid spacing
Craig S. Schwartz, School of Meteorology, University of Oklahoma, Norman, OK ; and J. S. Kain, S. J. Weiss, D. R. Bright, M. Xue, F. Kong, K. W. Thomas, J. J. Levit, and M. C. Coniglio

Poster PDF (1.8 MB)
 
Forecasting of floods using combined nowcasting, mesoscale NWP and hydrological models
Geoffrey L. Austin, Univ. of Auckland, Auckland, New Zealand; and B. Austin, L. S. Stacey, and P. I. Shucksmith

 
The NOAA Hazardous Weather Testbed 2008 Spring Experiment: Technical and Scientific Challenges of Creating a Data Visualization Environment for Storm-Scale Deterministic and Ensemble Forecasts
Jason J. Levit, NOAA/NWS/NCEP/SPC, Norman, OK; and G. W. Carbin, D. R. Bright, J. S. Kain, S. J. Weiss, R. S. Schneider, M. C. Coniglio, M. Xue, K. W. Thomas, M. Pyle, and M. L. Weisman

Poster PDF (194.6 kB)
 
The dependence of high-precipitation supercells on preexisting airmass boundaries: a targeted modeling study
Jennifer M. Brown, Univ. of Nebraska-Lincoln, Lincoln, NE; and A. L. Houston

Poster PDF (81.6 kB)
 
The evolution of multi-scale ensemble guidance in the prediction of convective and severe convective storms at the Storm Prediction Center
David R. Bright, NOAA/NWS/NCEP/SPC, Norman, OK; and S. J. Weiss, J. J. Levit, and R. S. Schneider

Poster PDF (2.7 MB)
 
The operational High Resolution Window WRF model runs at NCEP: Advantages of multiple model runs for severe convective weather forecasting
Steven J. Weiss, NOAA/NWS/NCEP/SPC, Norman, OK ; and M. E. Pyle, Z. Janjic, D. R. Bright, J. S. Kain, and G. J. DiMego

Poster PDF (1.0 MB)
 
Persistent low level mesocyclones in simulated supercell thunderstorms
Leigh Orf, Central Michigan Univ., Mount Pleasant, MI; and G. H. Bryan, R. Rotunno, M. L. Weisman, and H. B. Bluestein

 
Impact of spatially varying inversion strength on the evolution of a simulated supercell storm
Conrad L. Ziegler, NOAA/NSSL, Norman, OK ; and E. R. Mansell, J. M. Straka, D. R. MacGorman, and D. W. Burgess

 
Cell interaction, supercell behavior and tornadogenesis
Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. B. Wilhelmson and B. D. Lee


Coffee Break and Formal Poster Viewing
Location: Madison Ballroom (Hilton DeSoto)

5:00 PM-8:00 PM: Wednesday, 29 October 2008


Riverboat Cruise and Banquet Dinner
Sponsor: 24th Conference on Severe Local Storms

Thursday, 30 October 2008

8:30 AM-10:00 AM: Thursday, 30 October 2008


14
Numerical Modeling: Tornadoes and Tornadogenesis
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: George H. Bryan, NCAR

Papers:
  8:30 AM
On the role of descending rain curtains in tornadogenesis
Amanda K. Kis, School of Meteorology, University of Oklahoma, Norman, OK ; and J. M. Straka and K. M. Kanak

  8:45 AM
Descending Reflectivity Cores in a simulated supercell
Leigh Orf, Central Michigan Univ., Mount Pleasant, MI; and M. S. Gilmore, J. M. Straka, R. B. Wilhelmson, L. J. Wicker, and E. N. Rasmussen

http://research.orf5.com

  9:00 AM
14.3 moved. New poster number P10.11

  9:01 AM
Presentation 17B.4 to elaborate during this time.

 
14.5
Understanding the balance of forces in a long-lived simulated supercell-spawned tornado

  10:00 AM
The dependence of tornado corner flow dynamics on the outer core flow ‎
Karen A. Kosiba, Purdue Univ., West Lafayette, IN ; and R. J. Trapp

10:00 AM-10:30 AM: Thursday, 30 October 2008


Coffee Break
Location: Madison Ballroom (Hilton DeSoto)

10:30 AM-12:00 PM: Thursday, 30 October 2008


15
Numerical Modeling: Storm and Environment
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Catherine A. Finley, WindLogics Inc.

Papers:
  10:45 AM
Storm-relative flow and its relationship to low-level vorticity in simulated storms
Cody Kirkpatrick, University of Alabama in Huntsville, Huntsville, AL ; and E. W. McCaul Jr.

http://space.hsv.usra.edu/COMPASS/

  11:00 AM
  11:30 AM
The effects of varying low-level, environmental stability on low-level rotation in numerical simulations of elevated supercells
Christopher J. Nowotarski, Pennsylvania State University, University Park, PA; and P. M. Markowski

  11:45 AM
Bridging the gap between observed and simulated supercell cold pool characteristics
Glen S. Romine, Univ. of Illinois, Urbana, IL; and D. C. Dowell and R. B. Wilhelmson

12:00 PM-1:30 PM: Thursday, 30 October 2008


Lunch Break

1:30 PM-3:00 PM: Thursday, 30 October 2008


16A
Severe Weather Climatology I
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Philip N. Schumacher, NOAA/NWS

Papers:
  2:00 PM
  2:15 PM
A Comprehensive 5-year Severe Storm Environment Climatology for the Continental United States
Russell S. Schneider, NOAA/NWS Storm Prediction Center, Norman, OK; and A. R. Dean

  2:30 PM
Climatology of high lapse rates over North America (1974–2007)
Jason M. Cordeira, Univ. of Albany/SUNY, Albany, NY; and T. J. Galarneau Jr. and L. F. Bosart

  2:45 PM
Climatology of storm reports relative to upper-level jet streaks
Adam J. Clark, Iowa State University, Ames, IA; and C. J. Schaffer, W. A. Gallus Jr., and K. Johnson-O'Mara


16B
New Techniques and Technologies
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Alan Shapiro, University of Oklahoma

Papers:
  1:30 PM
Evaluation of a new multiple-Doppler tornado detection and characterization technique using real radar observations
Corey K. Potvin, University of Oklahoma, Norman, OK; and A. Shapiro, T. Y. Yu, J. Gao, and M. Xue

Poster PDF (804.0 kB)
  1:45 PM
Attenuation correction techniques and hydrometeor classification of high-resolution, X-band, dual-polarized mobile radar data of severe convective storms
Jeffrey C. Snyder, Univ. of Oklahoma, Norman, OK; and H. B. Bluestein, G. Zhang, S. J. Frasier, and K. Hardwick

  2:00 PM
Improved thunderstorm detection, tracking and assessment products for Environment Canada radars
Dave Patrick, Meteorological Service of Canada, Winnipeg, MB, Canada; and P. J. McCarthy

Poster PDF (2.8 MB)
  2:15 PM
Objective global mapping of hailstorms by satellite
Daniel J. Cecil, University of Alabama in Huntsville, Huntsville, AL

  2:30 PM
Improving above-surface water vapor analyses using satellite and RUC data
Daniel T. Lindsey, NOAA/NESDIS, Fort Collins, CO

Poster PDF (664.5 kB)
  2:45 PM
Emerging technologies in the field in support of operations and research
Scott F. Blair, NOAA/NWS, Topeka, KS ; and A. E. Pietrycha, T. J. Allison, D. R. Deroche, and R. V. Fritchie

Poster PDF (962.7 kB)

3:00 PM-4:30 PM: Thursday, 30 October 2008


Poster Session 11
Convection Initiation Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
Environmental conditions favorable for the initiation of nocturnal convection over the eastern plains
Philip N. Schumacher, NOAA/NWS, Sioux Falls, SD; and J. A. Chapman, M. Dux, and R. A. Weisman

 
P11.2
Using Canadian GEM output for forecasts of convective initiation on the Canadian prairies: experimental techniques under development in the Hydrometeorology and Arctic Lab (HAL)

 
The emerging role of inertial instability in the initiation and organization of convection
Russ S. Schumacher, Colorado State University, Fort Collins, CO ; and J. A. Knox and D. M. Schultz


Poster Session 12
Severe Weather Climatology Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
P12.4 moved. New paper number 9A.4A

 
Regional variablity of CAPE and deep shear from reanalysis
Victor Gensini, National Weather Center REU Program, Dekalb, IL

 
Research Progress of Disastrous Weather and PoSCWF in China
Bing Zhou, FSL/NMC/CMA, Beijing, China

 
Characteristics of eastern Australian-western Tasman Sea enhanced-Vs and their connection to severe weather
Geoffrey Feren, Bureau of Meteorology, Melbourne, Victoria, Australia

Poster PDF (1.1 MB)
 
A radar based climatology of thunderstorms in the Great Plains: Approach and preliminary results
Alexander R. Gibbs, University of Nebraska, Lincoln, NE; and A. L. Houston and J. Lahowetz

Poster PDF (89.6 kB)
 
A synoptic climatology of high impact events in the county warning area of the National Weather Service Forecast Office in Charleston, South Carolina
Frank Alsheimer, NOAA/NWSFO, North Charleston, SC; and J. Jelsema, B. L. Lindner, J. Johnson, D. Timmons, and T. Rolfson

Poster PDF (2.4 MB)
 
Synoptic environments associated with tornadoes in northern Arizona
David O. Blanchard, NOAA/NWS, Flagstaff, AZ

Poster PDF (2.1 MB)
 
Observational study on the pre-monsoon rain over Bangladesh
Masashi Kiguchi, IIS, Univ. of Tokyo, Japan, Meguro-ku, Tokyo, Japan; and Y. Yamane, N. Eguchi, T. Hayashi, and T. Oki

Poster PDF (1.4 MB)
 
The utility of severe weather parameters in the discrimination of tornadic and nontornadic outbreaks when analyzing reanalysis data: Emphasis on support vector machines
Chad M. Shafer, University of Oklahoma, Norman, OK ; and A. E. Mercer, C. A. Doswell III, M. B. Richman, and L. M. Leslie

 
Composite analysis of severe weather outbreaks
Andrew E. Mercer, CIMMS/Univ. of Oklahoma, Norman, OK; and C. M. Shafer, C. A. Doswell III, L. M. Leslie, and M. B. Richman

 
Statistical Analysis on Severe Convective Weather combining satellite, conventional observation and NCEP data
Yaping Zhu, Institute of Aviation Meteorology, Beijing, , China; and J. Liu, Z. Cheng, and Y. Li

Poster PDF (204.7 kB)
 
Assessing the impact of proximity sounding criteria on the climatological significant tornado environment
Corey K. Potvin, University of Oklahoma, Norman, OK; and K. L. Elmore and S. J. Weiss

Poster PDF (339.2 kB)
 
Sounding-derived Parameters Associated with Thunderstorm during Summer Period over South Korea
Hyo-Sik Eom, Dept. of Atmospheric Science, Kongju Nat'l Univ., Kongju, , South Korea; and M. S. Suh

Poster PDF (3.0 MB)
 
P12.16
Toward attribution of interannual variations in tornado frequency to regional atmospheric circulations

 
Statistical characteristics of storm tracks in North Dakota
Victoria Le, Department of Geography, University of Western Ontario, London, ON , Canada; and J. Braun and C. Miller

 
Synoptic-scale flow patterns associated with high lapse rates over North America
Jason M. Cordeira, Univ. of Albany/SUNY, Albany, NY; and T. J. Galarneau Jr. and L. F. Bosart


Poster Session 13
State of the Art Instrumentation and New Analysis Techniques Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
An Automatic Tracking and Recognition Algorithm for Thunderstorm Cloud-Cluster (TRACER)
Lan Hongping, Shenzhen Meteorological Observatory, Shenzhen, China

Poster PDF (168.3 kB)
 
Spring 2008 real-time phased array radar experiment
Pamela L. Heinselman, NOAA/NSSL, Norman, OK

Poster PDF (1.1 MB)
 
Kinetmatic and thermodynamic variability in the supercell environment observed using StickNet
Joel A. Dreessen, Texas Tech University, Lubbock, TX; and C. C. Weiss

Poster PDF (696.3 kB)
 
Validation of dual-Doppler analysis methods for a "tornadic" supercell
Michael I. Biggerstaff, Univ. of Oklahoma, Norman, OK; and R. M. May, C. L. Ziegler, M. Xue, G. D. Carrie, D. P. Betten, K. M. Kuhlman, and D. R. MacGorman

 
The UMass Mobile W-Band Doppler Radar: System Overview and Sample Observations
Pei S. Tsai, University of Massachusetts, Amherst, MA ; and S. J. Frasier, R. L. Tanamachi, and H. B. Bluestein

Poster PDF (504.2 kB)
 
Rapid-Scan Mobile Radar 3D GBVTD and traditional analysis of tornadogenesis
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and P. Robinson, W. Lee, C. R. Alexander, and K. A. Kosiba

Poster PDF (2.8 MB)
 
3D GBVTD analysis of the Spencer, South Dakota (1998) Tornado
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and C. R. Alexander, Y. P. Richardson, P. Robinson, and W. Lee

 
Techniques for Automatically Geonavigating Photos
Michael A. Magsig, NOAA/NWS/WDTB, Norman, OK

 
Unmanned aircraft observations of airmass boundaries: The Collaborative Colorado-Nebraska Unmanned Aircraft System Experiment
Adam L. Houston, University of Nebraska, Lincoln, NE; and B. Argrow, J. Elston, and J. Lahowetz

Poster PDF (804.5 kB)

Poster Session 14
Theory of Deep, Moist Convection Posters
Location: Madison Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms

Papers:
 
Cooked boundaries: Preliminary results from numerical experiments
Anthony E. Reinhart, University of Nebraska-Lincoln, Lincoln, NE; and A. L. Houston

Poster PDF (195.6 kB)
 
Interpretation of the "flying eagle" radar signature in supercells
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and A. D. Schenkman

Poster PDF (2.0 MB)
 
Energetics of an air mass thunderstorm
Lindsey T. Ritchie, Penn State University, University Park, PA ; and P. R. Bannon

 
The effects of ambient wind shear and varying initial conditions on numerically simulated mammatus-like clouds
Katharine M. Kanak, School of Meteorology, University of Oklahoma, Norman, OK ; and J. M. Straka

Poster PDF (2.3 MB)
 
Gravity waves and forcing efficiency
Jeffrey M. Chagnon, University of Reading, UK, Reading, Berkshire, United Kingdom


Coffee Break and Formal Poster Viewing
Location: Madison Ballroom (Hilton DeSoto)

4:30 PM-6:00 PM: Thursday, 30 October 2008


17A
Severe Weather Climatology II
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: William A. Gallus Jr., Iowa State University

Papers:
  4:30 PM
  4:45 PM
A climatology of convective system morphology over the Northeast United States
Kelly Lombardo, Stony Brook University - SUNY, Stony Brook, NY ; and B. A. Colle

  5:00 PM
Synoptic-scale convective environment climatology by ENSO phase in the north central U.S
Barbara E. Mayes, NOAA/NWS, Valley, NE ; and J. M. Boustead, J. S. Boyne, G. R. Lussky, C. Cogil, and R. S. Ryrholm

  5:15 PM
Supercells of the Serranías del Burro
Joshua D. Weiss, University of Massachusetts Lowell, Lowell, MA; and J. W. Zeitler

  5:30 PM
Development of a radar based thunderstorm climatology for North Dakota
Faizul Mohee, University of Western Ontario, London, ON , Canada; and C. Miller

  5:45 PM
Characteristics of sub-diurnal extreme precipitation-producing systems
Nathan M. Hitchens, Purdue University, West Lafayette, IN ; and R. J. Trapp, M. E. Baldwin, and A. Gluhovsky


17B
Numerical Modeling: Microphysics, Radiation, and Environmental Variability
Location: South Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Leigh Orf, Central Michigan Univ.

Papers:
  4:30 PM
The dynamical influences of cloud shading on simulated supercell thunderstorms
Jeffrey Frame, Penn State University, University Park, PA; and P. M. Markowski and J. Petters

Poster PDF (645.3 kB)
  4:45 PM
Numerical simulations of supercells in convective boundary layers
Kent H. Knopfmeier, Pennsylvania State University, University Park, PA; and P. M. Markowski and Y. P. Richardson

Poster PDF (1.1 MB)
  5:00 PM
The Super Tuesday outbreak: forecast sensitivities to single-moment microphysics schemes
Andrew L. Molthan, University of Alabama Huntsville, Huntsville, AL; and J. L. Case, S. R. Dembek, G. J. Jedlovec, and W. M. Lapenta

Poster PDF (2.3 MB)
  5:30 PM
Worldwide microphysical thunderstorm variability in different climatic regions: a three-dimensional cloud modeling study
Robert E. Schlesinger, Univ. of Wisconsin, Madison, WI ; and S. A. Hubbard and P. K. Wang

Poster PDF (795.4 kB)
  5:45 PM
DNS on growth of a vertical vortex in convection due to external forces
Ryota Iijima, Tokyo Institute of Technology, Yokohama, , Japan; and T. Tamura

Poster PDF (856.5 kB)

Friday, 31 October 2008

8:00 AM-9:45 AM: Friday, 31 October 2008


18
Convection Initiation
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: Matthew D. Parker, North Carolina State Univ.

Papers:
  8:00 AM
A modelling study of the initiation and development of an isolated thunderstorm in CSIP IOP1
Humphrey W. Lean, Met Office, Reading, Berks., United Kingdom; and N. Roberts, P. Clark, and C. Morcrette

  8:45 AM
Numerical simulations of the dryline and surrounding boundary layer on 22 May 2002 during IHOP
Michael S. Buban, CIMMS/Univ. of Oklahoma, Norman, OK ; and C. L. Ziegler and Y. P. Richardson

  9:00 AM
Convection initiation and storm evolution forecasting using radar refractivity retrievals
David Bodine, Atmospheric Radar Research Center, School of Meteorology, University of Oklahoma, Norman, OK; and P. L. Heinselman, B. L. Cheong, R. Palmer, and D. S. Michaud

  9:15 AM
Observation of a weak, warm and dry downdraft in the vicinity of a convective storm system, inhibiting new convective initiation
Pieter Groenemeijer, Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology, Karlsruhe, , Germany; and J. Trentmann, U. Corsmeier, and C. Kottmeier

  9:30 AM
The Understanding Severe Thunderstorms and Alberta Boundary Layers Experiment (UNSTABLE): overview and preliminary results
Neil M. Taylor, EC, Edmonton, AB , Canada; and D. M. L. Sills, J. Hanesiak, J. A. Milbrandt, C. D. Smith, G. Strong, S. Skone, P. J. McCarthy, and J. C. Brimelow

9:45 AM-10:15 AM: Friday, 31 October 2008


Coffee Break
Location: Hilton DeSoto

10:15 AM-11:45 AM: Friday, 31 October 2008


19
High-resolution radar observations of supercells and tornadoes
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms
Chair: David O. Blanchard, NOAA/NWS

Papers:
  10:15 AM
High-resolution, mobile Doppler radar observations of cyclic mesocyclogenesis in a supercell
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

  10:30 AM
High-resolution observations of cyclic tornadogenesis on 12 May 2004 near Attica, KS
Yvette P. Richardson, Penn State Univ., University Park, PA; and J. M. Wurman and P. M. Markowski

  10:45 AM
Mobile radar observations of tornadic supercells with multiple rear-flank gust fronts
James N. Marquis, Pennsylvania State Univ., University Park, PA; and Y. Richardson, J. Wurman, P. Markowski, and D. C. Dowell

  11:00 AM
Updated mobile radar climatology of supercell tornado structures and dynamics
Curtis R. Alexander, Center for Severe Weather Research, Boulder, CO; and J. Wurman

  11:15 AM
19.5 has been withdrawn.

  11:30 AM
Dual-Doppler analyses of nontornadic supercells observed with mobile ground-based Doppler radars
Mario Majcen, California University of Pennsylvania, California, PA; and P. Markowski, Y. Richardson, and J. Wurman

11:45 AM-12:00 PM: Friday, 31 October 2008


Concluding Remarks and Awards
Location: North & Center Ballroom (Hilton DeSoto)
Sponsor: 24th Conference on Severe Local Storms