25th Conference on Severe Local Storms

Program Chairs: Adam L. Houston , University of Nebraska ; Christopher C. Weiss , Texas Tech University

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- Indicates paper is an Award Winner

Monday, 11 October 2010

6:00 AM-11:55 PM: Monday, 11 October 2010


Mon. 11 October

9:00 AM-10:20 AM: Monday, 11 October 2010

Recording files available
Session 1
Severe Weather Climatology I
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Lance Bosart, SUNY
  9:00 AM
Welcoming Remarks

  9:05 AM
1.1
  9:35 AM
1.3
Nocturnal tornado climatology
Amanda K. Kis, University of Oklahoma, Norman, OK; and J. Straka
  10:05 AM
1.5

10:20 AM-10:45 AM: Monday, 11 October 2010


Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

10:45 AM-12:00 PM: Monday, 11 October 2010

Recording files available
Session 2
Mesoscale Convective Systems: Initiation and Structure
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Matthew D. Parker, North Carolina State University
  10:45 AM
2.1
Potential vorticity disturbances as a source of severe weather in the Southwest
Lance Bosart, University at Albany, Albany, NY; and T. J. Melino, S. R. Sukup, S. J. Weiss, J. Racy, R. S. Schneider, E. S. Pytlak, J. E. Matusiak, and D. Bright
  11:00 AM
2.2
  11:15 AM
2.3
Mechanisms contributing to MCS development over the southern Plains during BAMEX
Thomas J. Galarneau Jr., CIRES/Univ. of Colorado, Boulder, CO; and L. Bosart

12:00 PM-1:30 PM: Monday, 11 October 2010


Break for Lunch

1:30 PM-3:00 PM: Monday, 11 October 2010

Recording files available
Session 3A
Deep Convection: Initiation and Mesoscale Influences
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Christopher C. Weiss, Texas Tech University
  1:45 PM
3A.2
A convection initiation case study during COPS: 6 August 2007
Lindsay J. Bennett, University of Leeds, Leeds, United Kingdom; and T. M. Weckwerth, J. Van Baelen, A. M. Blyth, R. R. Burton, and A. M. Gadian
  2:00 PM
3A.3
  2:15 PM
3A.4
  2:45 PM
3A.6
Impact of initial environmental velocity profiles on numerical-model-based storm-scale analyses of the 4 May 2007 Greensburg, Kansas cyclic tornadic thunderstorm
Robin L. Tanamachi, Univ. of Oklahoma, Norman, OK ; and D. C. Dowell, L. J. Wicker, H. B. Bluestein, S. J. Frasier, and K. Hardwick
Recording files available
Session 3B
Mesoscale Convective Systems: The 8 May 2009 Derecho
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Stanley B. Trier, NCAR
  1:30 PM
3B.1
The 08 May 2009 Missouri Derecho: Radar Analysis and Warning Implications over Parts of Southwest Missouri
Ron W. Przybylinski, NOAA/NWSFO, Saint Charles, MO; and J. S. Schaumann, D. T. Cramer, and N. Atkins
  1:45 PM
3B.2
Environment and early evolution of the 8 May 2009 derecho-producing convective system
Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK; and M. C. Coniglio and J. S. Kain
  2:15 PM
3B.4
The 8 May 2009 "Super Derecho": Analysis of a 3 km WRF-ARW realtime forecast
Morris L. Weisman, NCAR, Boulder, CO ; and C. Evans and L. Bosart
  2:30 PM
3B.5
Vortex development mechanisms associated with the 8 May 2009 Central United States derecho event
Clark Evans, University of Wisconsin-Milwaukee, Milwaukee, WI; and M. Weisman and L. Bosart

3:00 PM-4:30 PM: Monday, 11 October 2010


Poster Session 1
Mesoscale Convective Systems Posters
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P1.1
Radar and in situ observations in a winter bow echo and associated mesovortices over the Japan Sea area
Kenichi Kusunoki, MRI, Tsukuba, Japan; and H. Inoue, K. Bessho, M. Nakazato, W. Mashiko, S. Hayashi, S. Hoshino, H. Yamauchi, T. Imai, K. Araki, T. Fukuhara, T. Shibata, Y. Hono, W. Kato, K. Adachi, and T. Takemi

 
P1.2
September 7, 2009 Souther South America Severe Storms Outbrake: High Resolution Simulation of Mesoscale Convective Systems
Vagner Anabor, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Su, Brazil; and E. de Lima Nascimento and E. Dal Piva

 
P1.3
Analysis of the 15 May 1998 Iowa/Minnesota derecho
Wesley D. Terwey, University of South Alabama, Mobile, AL; and R. A. Wade

 
P1.5
Examination of An Intense Wake Low Event as a Severe Local Storm
Timothy A. Coleman, Univ. of Alabama, Huntsville, AL; and K. R. Knupp

 
P1.6
A case study of a large-amplitude inertia-gravity wave over the Southeast
James H. Ruppert Jr., Colorado State University, Fort Collins, CO; and L. Bosart


Poster Session 2
Severe Weather Climatology Posters
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P2.1
Ranking and classifying severe weather outbreaks using multivariate indices
Chad M. Shafer, University of Oklahoma, Norman, OK ; and C. A. Doswell III

 
P2.2
On the use of kernel density estimation to identify severe weather events
Chad M. Shafer, University of Oklahoma, Norman, OK ; and C. A. Doswell III

 
P2.3
Trends in convection over the central United States
Victor A. Gensini, Northern Illinois University, DeKalb, IL; and J. M. Laflin

 
P2.4
Climatology of potentially severe convective environments from reanalysis
Victor A. Gensini, Northern Illinois University, DeKalb, IL; and W. S. Ashley

 
P2.5
Severe storm assessment using satellite data: Case studies from Iowa in 2009
Kevin Gallo, NOAA/NESDIS, Sioux Falls, SD; and K. Jungbluth and P. N. Schumacher

 
P2.6
Synoptic composites of tornadic and non-tornadic severe weather outbreaks
Andrew Edward Mercer, Mississippi State University, Mississippi State, MS; and C. M. Shafer, C. A. Doswell III, M. B. Richman, and L. M. Leslie

 
P2.7
Convective modes associated with significant severe thunderstorms in the contiguous United States
Bryan T. Smith, NOAA/NWS/NCEP/SPC, Norman, OK; and R. L. Thompson, J. S. Grams, and C. Broyles

Poster PDF (2.7 MB)

 
P2.8
Climatologies of convective flight environments for use in the development of a storm penetrating aircraft
Shawn B. Honomichl, South Dakota School of Mines and Technology, Rapid City, SD

 
P2.9
Do cities encourage warm-season thunderstorm formation and intensification?
Walker S. Ashley, Northern Illinois Univ., DeKalb, IL; and M. Bentley and T. Stallins

Poster PDF (1.1 MB)

 
P2.10
Environmental conditions associated with nocturnal severe weather across the northern Plains
Joshua M. Boustead, NOAA/NWS, Valley, NE; and P. N. Schumacher

Poster PDF (162.7 kB)

 
P2.11
Verification of thunderstorm occurrence using the National Lightning Detection Network

 
P2.12
Severe wind-driven hail events: dependence on convective morphology and larger-scale environment
William A. Gallus Jr., Iowa State University, Ames, IA; and N. D. Carletta, M. A. Fowle, and D. J. Miller

Poster PDF (2.2 MB)

 
P2.13
The characteristics of gusty winds in winter season in Shonai Plane, Japan
Kazuhiro Taniwaki, Meteorological Engineering Center, Inc., Osaka, Japan; and K. Sassa, T. Hayashi, Y. Hono, and K. Adachi

 
P2.14
Comparing Storm Data reports to National Weather Service severe storm watches and warnings
Kiel L. Ortega, Univ. of Oklahoma/CIMMS and NOAA/NSSL, Norman, OK ; and T. C. Meyer

 
P2.15
 
P2.16
An analysis of spatial tornado density: does Dixie Alley really exist?
P. Grady Dixon, Mississippi State University, Mississippi State, MS; and A. E. Mercer, J. Choi, and J. S. Allen

 
P2.17
Spatial Analysis of Tornado Vulnerability Trends in Oklahoma and Northern Texas
Eric M. Hout, National Weather Center Research Experiences for Undergraduates Program, Norman, OK; and M. Yuan, J. McIntosh, and C. Weaver

Poster PDF (1.2 MB)

 
P2.19
An Analysis of Clustered Tornado Events
Andrew R. Dean, NOAA/NWS/NCEP/SPC, Norman, OK

Poster PDF (906.3 kB)

 
P2.20
Climate Change Impacts on Severe Thunderstorms in Finland


Poster Session 3
Tropical Severe Weather Posters
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P3.2
Objective environmental analyses and convective modes for U. S. tropical cyclone tornadoes from 2003–2008
Roger Edwards, SPC/NWS/NOAA, Norman, OK; and A. R. Dean, R. L. Thompson, and B. T. Smith

Poster PDF (359.9 kB)

 
P3.3
A numerical investigation of supercells in landfalling tropical cyclones
Matthew J. Morin, High Performance Technologies Group, Princeton, NJ; and M. D. Parker, K. A. Hill, and G. M. Lackmann

Poster PDF (946.0 kB)

 
P3.4
Miniature supercells in Hurricanes Gustav (2008) and Ivan (2004): Environments and cell structure
Matthew D. Eastin, University of North Carolina, Charlotte, NC

 
P3.5
Fine-scale radar observations of boundary layer structures in landfalling hurricanes
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman

 
P3.6
The role of convective organization and the low level jet in the overland reintensification of Tropical Storm Erin (2007)
Clark Evans, University of Wisconsin-Milwaukee, Milwaukee, WI; and R. S. Schumacher and T. J. Galarneau Jr.


Formal Poster Viewing with Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

4:30 PM-5:45 PM: Monday, 11 October 2010

Recording files available
Session 4A
Supercell and Tornadoes: Tornado Structure, Dynamics, and Damage I
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Curtis R. Alexander, NOAA/ESRL/GSD and CIRES/Univ. of Colorado
  4:30 PM
4A.1
The Enhanced Fujita Scale: Past, present and future
Roger Edwards, SPC/NWS/NOAA, Norman, OK; and J. G. LaDue, J. T. Ferree, K. A. Scharfenberg, C. Maier, and W. L. Coulbourne
  4:45 PM
4A.2
Damage survey of the Picher, OK Tornado
Timothy P. Marshall, Haag Engineering Co., Irving, TX
  5:00 PM
4A.3
  5:15 PM
4A.4
Estimation of Low-Level Wind Structures in a Tornado-like Vortex
Sean Crowell, CIMMS/Univ. of Oklahoma, Norman, Oklahoma; and L. J. Wicker and L. W. White
  5:30 PM
4A.5
The detection of low-level misovortices embedded within a quasi-linear thunderstorm complex on 2 April 2010 by CASA radar
Vivek N. Mahale, Advanced Radar Research Center, Norman, OK; and J. Brotzge and H. B. Bluestein

4:30 PM-6:00 PM: Monday, 11 October 2010

Recording files available
Session 4B
Forecasting Techniques and Warning Decision Making: Short-Range Forecasting I
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Steven J. Weiss, NOAA/NWS/NCEP/SPC
  4:30 PM
4B.1
Preliminary investigation into lightning hazard prediction from high resolution model output
Stuart D. Miller Jr., CIMMS/Univ. of Oklahoma, Norman, OK; and G. W. Carbin, J. S. Kain, E. W. McCaul Jr., C. J. Melick, and A. R. Dean
  4:45 PM
4B.2
A new parameter for forecasting tornadoes in landfalling tropical cyclones
Matthew Onderlinde, Florida State University, Tallahassee, FL; and H. E. Fuelberg, S. J. Weiss, and A. I. Watson
  5:15 PM
4B.4
Using areal coverage of parameters favorable for severe weather to identify major convective outbreaks
Chad M. Shafer, University of Oklahoma, Norman, OK ; and L. M. Leslie, M. B. Richman, and C. A. Doswell III
  5:30 PM
4B.5
Forecasts, observations, and warning response for flash floods
Matthew Kelsch, UCAR/COMET, Boulder, CO; and A. Stevermer
  5:45 PM
4B.6
Severe weather outlooks and their use for damage prevention and civil protection in Finland
Ari-Juhani Punkka, Finnish Meteorological Institute, Helsinki, Finland; and J. Rauhala

6:00 PM-7:30 PM: Monday, 11 October 2010


Break for Dinner

7:30 PM-9:15 PM: Monday, 11 October 2010

Recording files available
Session 5
Supercells and Tornadoes: Overview of VORTEX-2
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: David Dowell, NCAR
  7:30 PM
5.1
An overview of the VORTEX2 field campaign
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and L. J. Wicker, Y. P. Richardson, E. N. Rasmussen, P. M. Markowski, D. Dowell, D. W. Burgess, and H. B. Bluestein
  7:45 PM
5.2
Tornado and tornadogenesis events seen by the NOXP x-band, dual-polarization radar during VORTEX2 2010
Donald W. Burgess, CIMMS/Univ. of Oklahoma, Norman, OK; and E. R. Mansell, C. M. Schwarz, and B. J. Allen
  8:00 PM
5.3
Rapid-Scan DOW radar observations of tornadoes during VORTEX2
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and K. A. Kosiba and P. Robinson

  8:15 PM
5.4
A summary of data collected during VORTEX-2 by MWR-05XP/TWOLF, UMass X-Pol, and the UMass W-band radar
Howard B. Bluestein, Univ. of Oklahoma, Norman, OK; and M. M. French, J. B. Houser, J. C. Snyder, R. L. Tanamachi, I. PopStefanija, C. Baldi, G. D. Emmitt, V. Venkatesh, K. Orzel, R. Bluth, and S. J. Frasier
  8:30 PM
5.5
  8:45 PM
5.6
Mobile soundings during VORTEX2: Survey and preliminary results
Matthew D. Parker, North Carolina State Univ., Raleigh, NC; and G. H. Bryan
  9:00 PM
5.7
Unmanned aircraft in VORTEX-2
Adam L. Houston, University of Nebraska, Lincoln, NE; and B. Argrow and E. W. Frew

9:30 PM-9:35 PM: Monday, 11 October 2010


Sessions Adjourn for the Day

9:30 PM-11:00 PM: Monday, 11 October 2010


Welcome Reception
Location: Centennial (Hyatt Regency Tech Center)

Tuesday, 12 October 2010

6:00 AM-11:55 PM: Tuesday, 12 October 2010


Tue. 12 October

8:00 AM-10:00 AM: Tuesday, 12 October 2010

Recording files available
Session 6
Supercells and Tornadoes: 5 June 2009 Goshen, County Supercell
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Robert J. Trapp, Purdue University
  8:00 AM
6.1
Invited Speaker—History of tornado research
Howard Bluestein, Univ. of Oklahoma, Norman, OK
  8:45 AM
6.3
  9:00 AM
6.4
The Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2: Tornadogenesis phase
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman, Y. P. Richardson, P. Markowski, D. C. Dowell, P. Robinson, and J. Marquis

  9:15 AM
6.5
The Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2: Tornado intensification phase
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and J. Wurman, P. M. Markowski, Y. P. Richardson, D. Dowell, P. Robinson, and J. Marquis

  9:30 AM
6.6
The Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2: Tornado dissipation phase
Yvette P. Richardson, The Pennsylvania State University, University Park, PA; and P. M. Markowski, J. Wurman, K. Kosiba, P. Robinson, and J. Marquis
  9:45 AM
6.7
Preliminary analysis of the Goshen County tornadic supercell on 5 June 2009 during VORTEX2 using EnKF assimilation of mobile radar and mesonet data
James N. Marquis, Pennsylvania State Univ., University Park, PA; and Y. Richardson, P. Markowski, D. Dowell, J. M. Wurman, K. Kosiba, and P. Robinson

10:00 AM-10:30 AM: Tuesday, 12 October 2010


Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

10:30 AM-12:00 PM: Tuesday, 12 October 2010

Recording files available
Session 7A
Supercells and Tornadoes: Supercell Structure and Dynamics I
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Adam L. Houston, University of Nebraska
  10:30 AM
7A.1
  10:45 AM
7A.2
Storm structure and decay process of the 9 June, 2009 Greensburg, KS supercell during VORTEX2
Conrad L. Ziegler, NOAA/NSSL, Norman, OK ; and M. I. Biggerstaff, L. J. Wicker, D. W. Burgess, E. R. Mansell, C. M. Schwarz, P. Markowski, Y. P. Richardson, and C. C. Weiss
  11:00 AM
7A.3
Observational analysis of cyclic mesocyclogenesis during VORTEX2
Daniel P. Betten, CIMMS/Univ. of Oklahoma, Norman, OK; and M. I. Biggerstaff, C. Ziegler, K. M. Kuhlman, D. R. MacGorman, and L. J. Wicker
  11:15 AM
7A.4
Single- and dual-Doppler analyses of a tornadic supercell sampled by NWRT PAR and WSR-88D
Pamela L. Heinselman, NOAA/NSSL, Norman, OK; and C. L. Ziegler and L. R. Lemon
  11:30 AM
7A.5
Storm mergers. Part 1: Preliminary numerical investigations of merger events
Ryan M. Hastings, Pennsylvania State University, State College, PA; and Y. P. Richardson
  11:45 AM
7A.6
Numerical simulations of interactions between squall lines and supercells
Adam J. French, South Dakota School of Mines and Technology, Rapid City, SD; and M. D. Parker
Recording files available
Session 7B
Forecasting Techniques and Warning Decision Making: The Hazardous Weather Testbed
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Kevin Scharfenberg, NOAA/NWS
  10:30 AM
7B.1
An overview of the 2010 NOAA Hazardous Weather Testbed spring forecasting experiment
Steven J. Weiss, NOAA/NWS/NCEP/SPC, Norman, OK; and A. J. Clark, I. L. Jirak, C. J. Melick, C. W. Siewert, R. Sobash, P. T. Marsh, A. R. Dean, M. Xue, F. Kong, K. W. Thomas, J. Du, D. R. Novak, F. E. Barthold, M. J. Bodner, J. J. Levit, C. B. Entwistle, T. Jensen, J. S. Kain, M. C. Coniglio, and R. S. Schneider
  10:45 AM
7B.2
Real-time severe convective weather warning exercises at the Experimental Warning Program 2010 (EWP2010)
Gregory J. Stumpf, CIMMS/Univ. of Oklahoma and NOAA/NWS/MDL, Norman, OK; and B. C. Baranowski, D. M. Kingfield, K. M. Kuhlman, K. L. Manross, C. W. Siewert, T. M. Smith, and S. Stough
  11:00 AM
7B.3
CAPS Realtime Storm Scale Ensemble and High Resolution Forecasts for the NOAA Hazardous Weather Testbed 2010 Spring Experiment
Ming Xue, CAPS/Univ. of Oklahoma, Norman, OK ; and F. Kong, K. W. Thomas, Y. Wang, K. Brewster, J. Gao, X. Wang, S. J. Weiss, A. J. Clark, J. S. Kain, M. C. Coniglio, J. Du, T. L. Jensen, and Y. H. Kuo
  11:15 AM
7B.4
Real-time, Low-level Wind Analysis including CASA and WSR-88D Radar Data using the ARPS 3DVAR
Jidong Gao, CAPS/Univ. of Oklahoma, Norman, OK; and K. Brewster, M. Xue, J. Brotzge, K. Thomas, and Y. Wang
  11:45 AM
7B.6
Warning related satellite products to be demonstrated in the GOES-R proving ground
James J. Gurka, GSFC, Greenbelt, MD; and S. J. Goodman, T. J. Schmit, C. W. Siewert, M. DeMaria, and G. T. Stano

12:00 PM-1:30 PM: Tuesday, 12 October 2010


Break for Lunch

1:30 PM-3:00 PM: Tuesday, 12 October 2010

Recording files available
Session 8A
Supercells and Tornadoes: Downdrafts and Cold Pool
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Matthew S. Gilmore, University of North Dakota
  1:30 PM
8A.1
Rear-flank downdraft dynamics in tornadic and non-tornadic supercell thunderstorms
Michael I. Biggerstaff, Univ. of Oklahoma, Norman, OK; and D. P. Betten, C. L. Ziegler, D. R. MacGorman, L. J. Wicker, D. W. Burgess, and E. R. Mansell
  1:45 PM
8A.2
Mobile mesonet observations of the rear-flank downdraft evolution associated with a violent tornado near Bowdle, SD on 22 May 2010
Catherine A. Finley, WindLogics Inc., Grand Rapids, MN; and B. D. Lee, M. Grzych, C. D. Karstens, and T. M. Samaras
  2:15 PM
8A.4
A preliminary survey of DSD measurements collected during VORTEX2
Daniel T. Dawson II, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and G. Romine
  2:30 PM
8A.5
Verification of Supercell Cold Pools in High-Resolution WRF Simulations using StickNet In Situ Data
Anthony E. Reinhart, Texas Tech University, Lubbock, TX; and C. C. Weiss and D. C. Dowell
  2:45 PM
8A.6
Mesocyclone and RFD evolution in simulated supercell storms with varying wind profiles
Matthew S. Van Den Broeke, University of Oklahoma, Norman, OK; and J. M. Straka
Recording files available
Session 8B
Forecasting Techniques and Warning Decision Making: Nowcasting, Warning, and Verification
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Roger Edwards, SPC/NWS/NOAA
  1:30 PM
8B.1
A realtime weather-adaptive 3DVAR analysis system with automatic storm positioning and on-demand capability
David J. Stensrud, NOAA/NSSL, Norman, OK; and J. Gao, T. M. Smith, K. Manross, J. Brogden, and V. Lakshmanan
  1:45 PM
8B.2
iCAST: A severe storm nowcasting prototype focused on optimization of the human-machine mix
David Sills, EC, Toronto, ON, Canada; and N. Driedger, B. Greaves, E. Hung, and R. Paterson
  2:00 PM
8B.3
Storm-based convective warning best practices
Kevin A. Scharfenberg, NOAA/NWS, Norman, OK ; and J. T. Ferree
  2:45 PM
8B.6
A detailed analysis of SPC “High Risk” outlooks, 2003–2009
Jason M. Davis, Valparaiso University, Valparaiso, IN; and A. R. Dean and J. L. Guyer

3:00 PM-4:30 PM: Tuesday, 12 October 2010


Poster Session 4
Forecasting Techniques and Warning Decision Making Posters I
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P4.1
Using artificial intelligence to predict Mississippi lightning
Andrew Edward Mercer, Mississippi State University, Mississippi State, MS; and M. E. Brown and C. Babineaux

 
P4.2
Use and Evaluation of Lightning Data within 2010 Experimental Warning Program and GOES-R Proving Ground
Kristin M. Kuhlman, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and D. M. Kingfield, G. T. Stano, E. C. Bruning, B. C. Baranowski, and C. W. Siewert

Poster PDF (1.7 MB)

 
P4.3
Application of WRF-based forecasts of total lightning threat to the CONUS
Eugene W. McCaul Jr., USRA, Huntsville, AL ; and J. L. Case and S. J. Goodman

Poster PDF (274.0 kB)

 
P4.4
A multi-tiered verification of SPC tornado watches
Aaron Christenberry, University of Oklahoma, Norman, OK; and A. L. Lamers, B. A. Mejia, A. R. Dean, and S. J. Weiss

Poster PDF (234.3 kB)

 
P4.5
Tornado warning services for misoscale circulations in quasilinear convective systems
Kevin A. Scharfenberg, NOAA/NWS, Norman, OK ; and D. L. Andra Jr., P. Marsh, K. L. Ortega, and J. Brotzge

Poster PDF (304.0 kB)

 
P4.6
Numerical modeling of maximum hail in deep convection
Gerhard W. Reuter, University of Alberta, Edmonton, AB, Canada; and F. Jia

 
P4.7
A statistical hail prediction product
Daniel T. Lindsey, NOAA/NESDIS, Fort Collins, CO

 
P4.8
WSR-88D Signatures associated with One Inch Hail in the Southern Plains
Dennis E. Cavanaugh, NOAA/NWS, Fort Worth, TX; and J. A. Schultz

Poster PDF (392.1 kB)

 
P4.9
Severe hail impacts and preparedness
Jari-Petteri Tuovinen, Finnish Meteorological Institute, Helsinki, Finland; and J. Rauhala

Poster PDF (495.9 kB)

 
P4.10
 
P4.11
Using Doppler radar to more accurately predict the occurrence of severe hail in the Arkansas-Louisiana-Texas region

 
P4.12
Examining radar 'side-lobe spikes' for severe hail identification
Kevin L. Manross, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and K. L. Ortega and A. E. Pietrycha

Poster PDF (1017.7 kB)

 
P4.13
Evaluating the use of reflectivity heights for hail detection with high-resolution hail reports
Kiel L. Ortega, Univ. of Oklahoma/CIMMS and NOAA/NSSL, Norman, OK

 
P4.16
Observations of haboobs associated with mesoscale convective vortices
Joseph W. Jurecka, NOAA/NWSFO, Lubbock, TX; and T. T. Lindley

Poster PDF (594.4 kB)

 
P4.17
Severe Thunderstorm Wind Damage Societal Impacts and Preparedness
Jenni Rauhala, Finnish Meteorological Institute, Helsinki, Finland

Poster PDF (652.2 kB)

 
P4.18
Evaluation of CAPS multi-model storm-scale ensemble forecast for the NOAA HWT 2010 Spring Experiment
Fanyou Kong, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue, K. W. Thomas, Y. Wang, K. Brewster, X. Wang, J. Gao, S. J. Weiss, A. Clark, J. S. Kain, M. C. Coniglio, and J. Du

 
P4.19
GEM LAM Convective Forecasts: How Can they be used in an Operational Forecast Environment?
Heather Rombough, EC, Edmonton, AB, Canada; and H. Greene, B. Niska-Aro, B. Power, D. Schmidt, O. Stachowiak, C. Wielki, and A. Yun

Poster PDF (1.9 MB)


Poster Session 5
Novel Instrumentation and Data Processing Techniques Posters
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P5.1
Intercomparison between Mobile and Stationary Surface Observing Platforms in VORTEX2
Patrick S. Skinner, Texas Tech University, Lubbock, TX; and C. C. Weiss, P. M. Markowski, and Y. P. Richardson

Poster PDF (875.9 kB)

 
P5.2
 
P5.3
Potential pitfalls in mobile dual-Doppler analyses of complex severe storm wind fields
Yvette Richardson, Pennsylvania State University, University Park, PA; and J. Marquis, J. Wurman, and P. M. Markowski

 
P5.4
Effects of radar range and azimuthal resolution on tornadic shear signatures: applications to a tornado detection algorithm
Jennifer F. Newman, University of Oklahoma, Norman, OK; and V. Lakshmanan, P. L. Heinselman, and T. M. Smith

Poster PDF (1.1 MB)

 
P5.6
A technique for automated selection of multiple Z-R relationships within a single domain
George Limpert, University of Nebraska, Lincoln, NE; and A. L. Houston

Poster PDF (187.3 kB)

 
P5.7
A survey of real-time 3DVAR analyses conducted during the 2010 Experimental Warning Program spring experiment
Travis M. Smith, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and K. M. Kuhlman, K. L. Ortega, K. L. Manross, D. W. Burgess, J. Gao, and D. J. Stensrud

Poster PDF (2.3 MB)

 
P5.8
A new tornado simulator reproducing flow fields under supercell
Koji Sassa, Kochi University, Kochi, Japan; and S. Takemura and A. Yamasaki

Poster PDF (2.6 MB)

 
P5.9
Wind measurements within a tornado core
Tim M. Samaras, National Technical Systems, Littleton, CO; and C. D. Karstens, B. D. Lee, and C. A. Finley

 
P5.10
An overview of the Shonai Area Railroad Weather Project—Toward an automatic hazardous wind alert system for railroad
Kenichi Kusunoki, MRI, Tsukuba, Japan; and K. Bessho, M. Nakazato, W. Mashiko, S. Hayashi, S. Hoshino, H. Inoue, H. Yamauchi, I. Toshiaki, K. Araki, T. Fukuhara, T. Shibata, H. Yoshihiro, W. Kato, K. Adachi, and T. Takemi


Poster Session 6
Supercells and Tornadoes Posters I
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P6.2
Highlights of the storm-scale radar data from VORTEX2—2010
Therese E. Thompson, Univ. of Oklahoma, Norman, OK; and M. I. Biggerstaff, L. J. Wicker, D. P. Betten, C. L. Ziegler, and M. R. Kumjian

Poster PDF (1.1 MB)

 
P6.3
GPS-Based Stereo Photogrammetry in VORTEX2
Michael A. Magsig, NOAA/NWS/Warning Decision Training Branch, Norman, OK; and J. G. LaDue, E. N. Rasmussen, and J. M. Straka

Poster PDF (525.5 kB)

 
P6.4
Mobile mesonet observations during VORTEX2
Yvette P. Richardson, Pennsylvania State University, University Park, PA; and P. M. Markowski, S. Waugh, and S. E. Fredrickson

Poster PDF (1.3 MB)

 
P6.5
VORTEX 2 operations center: Bridging the gap between research and operations
Patrick T. Marsh, NOAA/NSSL & OU/CIMMS/SoM, Norman, OK; and K. Scharfenberg, K. Kelleher, M. C. Coniglio, L. J. Wicker, J. Purpura, M. J. Hudson, and S. R. Cobb

 
P6.6
One-minute GOES observations during VORTEX II

 
P6.6
The Goshen County, Wyoming, supercell of 5 June 2009 intercepted by VORTEX2: Pretornadic phase
Paul M. Markowski, Penn State University, University Park, PA; and Y. Richardson, J. Wurman, K. A. Kosiba, and P. Robinson

Poster PDF (1.9 MB)

 
P6.8
 
P6.9
Synoptic, meso, and storm-scale conditions associated with strong-to-violent nocturnal tornadoes
L. J. Reames, University of Oklahoma, Norman, OK; and J. M. Straka


Formal Poster Viewing with Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

4:30 PM-6:15 PM: Tuesday, 12 October 2010

Recording files available
Session 9
Numerical Weather Prediction: Overview of Modeling/Assimilation Systems
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: George H. Bryan, NCAR
  5:00 PM
9.2
High resolution rapid refresh (HRRR): Recent enhancements and evaluation during the 2010 convective season
Curtis R. Alexander, NOAA/ESRL/GSD and CIRES / Univ. of Colorado, Boulder, CO; and S. S. Weygandt, T. G. Smirnova, S. Benjamin, P. Hofmann, E. P. James, and D. A. Koch
  5:15 PM
9.3
Storm forecasts in a convective-scale ensemble system at the Met Office
Giovanni Leoncini, Met Office, Reading, Berks., United Kingdom; and N. Roberts
  5:30 PM
9.4
A Nowcasting System Using Full Physics Numerical Weather Prediction Initialized with CASA and NEXRAD Radar Data
Keith A. Brewster, CAPS/Univ. of Oklahoma, Norman, OK; and K. W. Thomas, J. Gao, J. Brotzge, M. Xue, and Y. Wang
  5:45 PM
9.5
  6:00 PM
9.6

6:30 PM-6:35 PM: Tuesday, 12 October 2010


Sessions Adjourn for the Day

8:00 PM-10:00 PM: Tuesday, 12 October 2010


Storm Video Night I
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)

Wednesday, 13 October 2010

6:00 AM-11:55 PM: Wednesday, 13 October 2010


Wed. 13 October

8:15 AM-10:00 AM: Wednesday, 13 October 2010

Recording files available
Session 10
Mesoscale Convective Systems: Interaction with Land Surface and Environment
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Michael I. Biggerstaff, Univ. of Oklahoma
  8:15 AM
10.1
Invited Speaker - History of MCS research
Richard Johnson, Colorado State University, Fort Collins, CO
  8:45 AM
10.2
  9:00 AM
10.3
The effects of Lake Michigan on mature mesoscale convective systems
Nicholas D. Metz, Univ. at Albany/SUNY, Albany, NY; and L. Bosart
  9:15 AM
10.4
  9:30 AM
10.5
An Investigation into a Squall Line over Complex Terrain
Rodger Wu, EC, Vancouver, BC, Canada; and B. Snyder and J. Goosen
  9:45 AM
10.6
Simulated squall lines with and without cloud shading effects
Andrew Oberthaler, Pennsylvania State University, University Park, PA; and P. M. Markowski

10:00 AM-10:30 AM: Wednesday, 13 October 2010


Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

10:30 AM-12:00 PM: Wednesday, 13 October 2010

Recording files available
Session 11
Forecasting Techniques and Warning Decision Making: Advances in the Use of Radar, Satellite, and Lightning Data
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Kristin M. Kuhlman, CIMMS/Univ. of Oklahoma and NOAA/NSSL
  10:30 AM
11.1
Detecting boundary layer moisture convergence with GOES-R ABI bands
Lewis Grasso, CIRA/Colorado State Univ., Fort Collins, CO; and D. T. Lindsey and W. M. MacKenzie Jr.

  10:45 AM
11.2
Polarimetric radar characteristics of large hail
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and J. C. Picca, S. Ganson, A. V. Ryzhkov, J. Krause, and A. P. Khain
  11:00 AM
11.3
ZDR columns as a predictive tool for hail growth and storm evolution
Joseph C. Picca, CIMMS/Univ. of Oklahoma, Norman, OK; and A. V. Ryzhkov
  11:15 AM
11.4
An operational assessment of the predictability of giant hail events
Scott F. Blair, NOAA/NWS, Topeka, KS; and D. R. Deroche, J. M. Boustead, J. W. Leighton, B. L. Barjenbruch, and W. P. Gargan
  11:30 AM
11.5
Total lightning trend analysis of low-topped supercells across the Tennessee Valley
Christopher J. Schultz, Univ. of Alabama, Huntsville, AL; and W. A. Petersen and L. Carey

12:00 PM-1:30 PM: Wednesday, 13 October 2010


Break for Lunch

1:30 PM-3:15 PM: Wednesday, 13 October 2010

Recording files available
Session 12A
Severe Weather Climatology II
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Clark Evans, University of Wisconsin-Milwaukee
  2:00 PM
12A.2
Synoptic Climatology of Tornado Environments in Finland
Jenni Rauhala, Finnish Meteorological Institute, Helsinki, Finland; and D. M. Schultz
  2:15 PM
12A.3
Enlarging the severe-hail database in Finland by using a radar-based hail-detection algorithm and e-mail surveys
Jari-Petteri Tuovinen, Finnish Meteorological Institute, Helsinki, Finland; and D. M. Schultz
  2:30 PM
12A.4
Severe storm environments on different continents
Daniel J. Cecil, University of Alabama, Huntsville, AL; and M. O. Felix and C. B. Blankenship
  2:45 PM
12A.5
A 12-year climatology of severe weather parameters and associated synoptic patterns for subtropical South America
Ernani L. Nascimento, Universidade Federal de Santa Maria, Santa Maria, Brazil; and M. Foss

2:00 PM-3:30 PM: Wednesday, 13 October 2010

Recording files available
Session 12B
Numerical Weather Prediction: Data assimilation, Ensemble Initialization, and Microphysics
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Glen Romine, NCAR
  2:15 PM
Development of a Hybrid Ensemble and Variational method for Storm Scale
Jidong Gao, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue and D. J. Stensrud
 
12B.2
Improving hail prediction with a new triple-moment hail microphysics scheme

  2:45 PM
12B.4
Probabilistic precipitation forecast skill as a function of ensemble size and spatial scale in a convection-allowing ensemble
Adam J. Clark, NOAA/NSSL/CIMMS, Norman, OK; and M. Xue, F. Kong, K. Thomas, Y. Wang, K. Brewster, J. Gao, K. K. Droegemeier, J. S. Kain, S. J. Weiss, D. Bright, M. C. Coniglio, and J. Du
 
12B.3
Comparison of severe weather guidance derived from single and double moment configurations of a microphysical parameterization in daily forecasts with the WRF model

  3:15 PM
12B.5
High-resolution storm-scale numerical weather prediction using EnKF for the 8 May 2003 Moore Oklahoma tornadic supercell
Louis J. Wicker, NOAA/NSSL, Norman, OK ; and E. R. Mansell, D. C. Dowell, and D. T. Dawson II
  3:30 PM
12B.6
EnKF analyses of two tornadic supercells using rapid-scan phased array radar data
Therese E. Thompson, Univ. of Oklahoma, Norman, OK; and L. J. Wicker, P. L. Heinselman, and C. L. Ziegler

3:15 PM-5:00 PM: Wednesday, 13 October 2010


Poster Session 7
Numerical Weather Prediction Posters
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P7.1
 
P7.2
Three-dimensional Analyses of Several Thunderstorm Cases Observed using Hunan's Regional Radar Network
Chenghao Fu, Human Meteorological Observatory, Changsha, Hunan, China; and J. Gao, Z. Li, C. Ye, L. Xu, and M. Xue

Poster PDF (317.6 kB)

 
P7.3
Impact of Assimilating Radar Observations on Storm-scale EnKF System within Realistic Mesoscale Environment
Nusrat Yussouf, CIMMS/Univ. of Oklahoma, Norman, OK; and D. Wheatley and D. Stensrud

 
P7.4
The Development of a Hybrid 3DVAR-EnKF Algorithm for Storm-scale Data Assimilation
Jidong Gao, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue and D. J. Stensrud

Poster PDF (614.6 kB)

 
P7.5
Simulating GOES-R satellite imagery from WRF output
Daniel T. Lindsey, NOAA/NESDIS, Fort Collins, CO; and L. Grasso, J. Sieglaff, J. A. Otkin, R. M. Rabin, and J. S. Kain

 
P7.6
A comparison of the structural evolution and microphysical state of a forecasted MCS using a single and two-moment microphysics scheme
Bryan J. Putnam, CAPS/Univ. of Oklahoma, Norman, OK; and M. Xue, G. Zhang, Y. Jung, N. Snook, and A. D. Schenkman

Poster PDF (1.8 MB)

 
P7.7
 
P7.8
A proposed methodology for model-based feature-specific prediction designed for high impact weather
Jacob R. Carley, Purdue University, West Lafayette, IN; and B. R. J. Schwedler, M. E. Baldwin, R. J. Trapp, J. Kwiatkowski, J. Logsdon, and S. J. Weiss

 
P7.9
Spatial verification of convective systems during the Hazardous Weather Testbed 2010 Spring Experiment
Michelle Harrold, NCAR, Boulder, CO; and T. L. Jensen, B. G. Brown, S. J. Weiss, P. T. Marsh, M. Xue, F. Kong, A. Clark, K. W. Thomas, J. S. Kain, M. C. Coniglio, and R. Schneider

 
P7.10
Verification of probablistic forecasts for severe weather parameters in the 2010 Storm-Scale Ensemble Forecast System and the operational SREF system
Adam J. Clark, NOAA/NSSL/CIMMS, Norman, OK; and M. Xue, F. Kong, K. W. Thomas, Y. Wang, K. Brewster, X. Wang, S. J. Weiss, I. L. Jirak, C. J. Melick, P. T. Marsh, J. S. Kain, M. C. Coniglio, and J. Du

 
P7.11
A New Lightning Parameterization and its Implementation in a Weather Prediction Model
Johannes Dahl, North Carolina State University, 27695-8208, NC; and H. Hoeller and U. Schumann

Poster PDF (2.0 MB)


Poster Session 8
Supercells and Tornadoes Posters II
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P8.2
Preliminary analysis of a winter tornadic storm observed with radar and in situ instrumentation
Kenichi Kusunoki, MRI, Tsukuba, Japan; and H. Inoue, K. Bessho, M. Nakazato, W. Mashiko, S. Hayashi, S. Hoshino, H. Yamauchi, T. Imai, K. Araki, T. Fukuhara, T. Shibata, Y. Hono, W. Kato, K. Adachi, and T. Takemi

 
P8.3
The Vertical Structures within a winter tornadic storm during landfall over the Japan Sea area
Kenichi Kusunoki, MRI, Tsukuba, Japan; and H. Inoue, K. Bessho, M. Nakazato, W. Mashiko, S. Hayashi, S. Hoshino, H. Yamauchi, T. Imai, K. Araki, T. Fukuhara, T. Shibata, Y. Hono, W. Kato, K. Adachi, and T. Takemi

 
P8.4
High-resolution OU-PRIME radar observations of a prolific tornado-producing supercell on 10 May 2010
David Bodine, University of Oklahoma, Norman, OK; and R. D. Palmer, M. R. Kumjian, and A. V. Ryzhkov

Poster PDF (1.7 MB)

 
P8.5
Microphysical characteristics in supercell thunderstorms using mobile dual-polarization radars and mobile disdrometers
Katja Friedrich, University of Colorado, Boulder, CO; and F. Masters, J. Wurman, and D. W. Burgess

 
P8.6
A multiple-wavelength polarimetric analysis of the 16 May 2010 Oklahoma City hailstorm
Joseph C. Picca, CIMMS/Univ. of Oklahoma, Norman, OK; and A. V. Ryzhkov

Poster PDF (1.3 MB)

 
P8.7
Polarimetric radar characteristics of a supercell hailstorm on 10 May 2010 in central Oklahoma
Clark D. Payne, CIMMS/Univ. of Oklahoma, Norman, OK; and C. A. Van Den Broeke, L. R. Lemon, and P. T. Schlatter

Poster PDF (952.9 kB)

 
P8.9
Supercell Dissipation Observed by VORTEX2 on 9 June 2009 and its Impact on the Understanding of Storm Demise
Casey E. Letkewicz, North Carolina State University, Raleigh, NC; and M. D. Parker

Poster PDF (2.3 MB)

 
P8.11
Mesoscale environments and radar characteristics of three late evening Appalachian tornadic supercells in early May 2009

 
P8.12
The Effects of Topography and Friction on Mesocyclones and Tornadoes
Timothy A. Coleman, Univ. of Alabama, Huntsville, AL

 
P8.13
The 17 June 2010 Minnesota Tornado Outbreak: A Brief Event Overview and Historical Perspective
Thomas R. Hultquist, NOAA/NWS, Chanhassen, MN; and D. J. Miller, B. Bramer, M. Friedlein, T. Krause, A. Graning, A. Lamers, G. Gust, and D. Kellenbenz

 
P8.15
Simulations of the supercell outbreak of 18 March 1925
Melissa E. Becker, University of North Dakota, Grand Forks, ND ; and M. S. Gilmore, J. Naylor, J. K. Weber, R. A. Maddox, G. P. Compo, J. S. Whitaker, and T. M. Hamill

Poster PDF (1.2 MB)

 
P8.16
Storm mergers. Part 2: Observations of merger events from VORTEX2
Ryan M. Hastings, Pennsylvania State University, State College, PA; and Y. P. Richardson, P. M. Markowski, and J. Wurman

Poster PDF (196.2 kB)

 
P8.17
Impacts of Cell Interaction on Storm Intensification: A Dynamical and Microphysical Perspective
Ann Syrowski, University of Illinois, Urbana, IL; and B. F. Jewett and R. B. Wilhelmson

 
P8.18
Evolution of the 4 May 2007 Greensburg, Kansas tornadic supercell storm as inferred from mobile, X-band Doppler radar observations
Robin L. Tanamachi, Univ. of Oklahoma, Norman, OK ; and H. B. Bluestein, S. J. Frasier, and K. Hardwick

 
P8.19
Low-level mesocyclogenesis in the presence of increasing low-level atmospheric stability
Kent H. Knopfmeier, CIMMS/Univ. of Oklahoma/NSSL, Norman, OK; and D. J. Stensrud

 
P8.20
Super Tuesday storm variability
Todd A. Murphy, University of Alabama, Huntsville, AL; and K. Knupp

 
P8.21
Dual-Doppler Wind Analysis of Low-level Mesocyclones Verified against StickNet Wind Observations

 
P8.22
The role of boundary interaction and augmented low level shear in the formation of a supercell in an otherwise “hostile” deep layer shear environment: Denver Interntional Airport Supercell of 24 May 2009

 
P8.22
Initiation and modulation of severe storms along warm fronts
Brian F. Jewett, Univ. of Illinois, Urbana, IL; and R. B. Wilhelmson

 
P8.23
Characteristics of supercells simulated with tornadic and non-tornadic RUC-2 proximity soundings. Part I: Sensitivity to convective initiation mechanisms
Lawrence Burkett, University of North Dakota, Grand Forks, ND; and M. S. Gilmore, R. L. Thompson, R. Edwards, J. M. Straka, and R. B. Wilhelmson

 
P8.25
Precipitation characteristics of supercell hook echoes
Matthew R. Kumjian, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK ; and A. V. Ryzhkov

Poster PDF (2.7 MB)

 
P8.26
Two record breaking Australian hailstorms: storm environments, damage characteristics and rarity
Bruce William Buckley, Insurance Australia Group, Sydney, New South Wales, Australia; and W. Sullivan, P. Chan, and M. Leplastrier

Poster PDF (2.2 MB)

 
P8.27
Surface observations of the rear-flank downdraft evolution associated with the Aurora, NE tornado of 17 June 2009
Bruce D. Lee, WindLogics Inc., Grand Rapids, MN; and C. A. Finley, C. D. Karstens, and T. M. Samaras

Poster PDF (1.6 MB)

 
P8.28
(Formerly P10.1) Possible impacts of the Enhanced Fujita Scale on United States tornado data
Roger Edwards, SPC/NWS/NOAA, Norman, OK; and H. E. Brooks

Poster PDF (144.8 kB)


Formal Poster Viewing with Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

5:00 PM-5:05 PM: Wednesday, 13 October 2010


Sessions Adjourn for the Day

5:30 PM-10:00 PM: Wednesday, 13 October 2010


Depart for Off-Site Dinner Event

Thursday, 14 October 2010

6:00 AM-11:55 PM: Thursday, 14 October 2010


Thu. 14 October

8:00 AM-10:00 AM: Thursday, 14 October 2010

Recording files available
Session 13A
Supercells and Tornadoes: Supercell Structure and Dynamics II
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Cochairs: Karen A. Kosiba, Center for Severe Weather Research; Therese E. Thompson, Univ. of Oklahoma
  8:00 AM
13A.1
  8:30 AM
13A.2
Numerical Simulation of Infrasound Generated by Severe Storms
David A. Schecter, NorthWest Research Associates, Redmond, WA; and M. E. Nicholls
  8:45 AM
13A.3
Simulating supercell thunderstorms in a horizontally heterogeneous convective boundary layer
Christopher J. Nowotarski, Pennsylvania State University, University Park, PA; and P. M. Markowski, Y. P. Richardson, and G. H. Bryan
  9:00 AM
13A.4
Doppler lidar observations of the boundary layer near tornadic and non-tornadic supercells
Jana B. Houser, Univ. of Oklahoma, Norman, OK; and H. Bluestein, G. D. Emmitt, and R. Bluth
 
13A.5
Examination of the low level polarimetric radar parameters associated with the August 20 2009 southern Ontario tornadic supercells

  9:30 AM
13A.6
Intercomparison between the observed and modeled 21 January 2010 low topped tornado producing thunderstorm in Huntsville, AL
Elise V. Schultz, Univ. of Alabama, Huntsville, AL; and C. Kirkpatrick, U. S. Nair, C. J. Schultz, K. Knupp, W. A. Petersen, and L. D. Carey
  9:45 AM
13A.7
Electrification and Lightning in Simulations of the 29 May 2004 Geary, OK Storm Using EnKF Data Assimilation
Kristin M. Kuhlman, CIMMS/Univ. of Oklahoma and NOAA/NSSL, Norman, OK; and E. R. Mansell, D. R. MacGorman, and M. I. Biggerstaff

8:30 AM-10:00 AM: Thursday, 14 October 2010

Recording files available
Session 13B
Numerical Weather Prediction: Model Verification
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Louis J. Wicker, NOAA/NSSL
  8:30 AM
13B.1
An Overview of the Objective Evaluation Performed During the Hazardous Weather Testbed (HWT) 2010 Spring Experimen
Tara L. Jensen, NCAR/RAL, Boulder, CO; and M. Harrold, B. G. Brown, S. J. Weiss, P. T. Marsh, M. Xue, F. Kong, A. J. Clark, K. W. Thomas, J. S. Kain, R. S. Schneider, D. R. Novak, F. E. Barthold, J. J. Levit, and M. C. Coniglio
  8:45 AM
13B.2
A Report and Feature-based Verification Study of the CAPS 2008 Storm-Scale Ensemble Forecasts for Severe Convective Weather
Amy R. Harless, NOAA/NWS, Norman, OK; and S. J. Weiss, R. S. Schneider, M. Xue, and F. Kong
  9:00 AM
13B.3
Evaluation of the performance and distribution of hourly maximum fields from storm-scale ensemble forecasts
Israel L. Jirak, NOAA/NWS/NCEP/SPC, Norman, OK; and S. J. Weiss, C. J. Melick, P. T. Marsh, J. S. Kain, A. J. Clark, M. Xue, F. Kong, and K. W. Thomas
  9:30 AM
13B.5
An environmental climatology of the CAPS Storm-Scale Ensemble Forecast system during the 2010 HWT Spring Experiment
Christopher J. Melick, NOAA/NWS/NCEP/SPC, Norman, OK; and I. L. Jirak, S. J. Weiss, A. J. Clark, P. T. Marsh, J. S. Kain, M. Xue, F. Kong, and K. W. Thomas
  9:45 AM
13B.6

10:00 AM-10:30 AM: Thursday, 14 October 2010


Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

10:30 AM-12:00 PM: Thursday, 14 October 2010

Recording files available
Session 14
Forecasting Techniques and Warning Decision Making: Short-Range Forecasting II
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Michael C. Coniglio, NOAA/NSSL
  10:30 AM
14.1
  11:00 AM
14.2
Assessing the utility of several analysis schemes for diagnosing precursor signals for convective initiation and non-supercell tornadogenesis along boundaries
Edward J. Szoke, CIRA/Colorado State Univ. and NOAA, Boulder, CO; and S. Albers, Y. Xie, L. S. Wharton, R. Glancy, E. Thaler, D. Barjenbruch, B. Meier, and Z. Toth
  11:15 AM
14.3
Using convection-allowing models to produce forecast guidance for severe thunderstorm hazards via a “surrogate severe” approach
Ryan Sobash, University of Oklahoma, Norman, OK; and J. S. Kain, M. C. Coniglio, A. R. Dean, D. R. Bright, and S. J. Weiss
  11:30 AM
14.4
Investigating a fundamental component of a Warn-on-Forecast system in a collaborative real-time experiment
Patrick T. Marsh, NOAA/NSSL & OU/CIMMS/SoM, Norman, OK; and J. S. Kain, S. J. Weiss, I. L. Jirak, R. Sobash, F. Kong, K. W. Thomas, and M. Xue
  11:45 AM
14.5
Forecasting Supercell Storms: Application of Operational Tools and Cutting-Edge Numerical Model Guidance in VORTEX2
Keith A. Brewster, CAPS/Univ. of Oklahoma, Norman, OK; and J. G. LaDue, M. C. Coniglio, M. P. Foster, T. P. Marshall, and G. S. Garfield

12:00 PM-1:30 PM: Thursday, 14 October 2010


Break for Lunch

1:30 PM-3:00 PM: Thursday, 14 October 2010

Recording files available
Session 15
Supercells and Tornadoes: Tornadogenesis
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Yvette P. Richardson, Pennsylvania State University
  1:30 PM
15.1
  1:45 PM
15.2
  2:00 PM
15.3
TTUKa Mobile Doppler Radar Observations of Near-Surface Circulations in VORTEX2
Patrick S. Skinner, Texas Tech University, Lubbock, TX; and C. C. Weiss, A. E. Reinhart, W. S. Gunter, J. L. Schroeder, and J. Guynes
  2:15 PM
15.4
High-resolution radar analysis during tornadogenesis from OU-PRIME on 10 May 2010
David Bodine, University of Oklahoma, Norman, OK; and R. D. Palmer, C. Ziegler, and P. L. Heinselman
  2:30 PM
15.5
Precipitation properties of a cool-season tornadic storm inferred from C-band dual-polarimetric radar and 2D-video disdrometer observations
Lawrence D. Carey, University of Alabama in Huntsville, Huntsville, AL; and W. A. Petersen, M. Thurai, M. E. Anderson, E. V. Schultz, C. J. Schultz, and K. Knupp
  2:45 PM
15.6

3:00 PM-4:30 PM: Thursday, 14 October 2010


Poster Session 9
Forecasting Techniques and Warning Decision Making Posters II
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P9.1
A study of convective initiation failure on 22 October 2004
Jennifer M. Laflin, NOAA/NWS, Pleasant Hill, MO; and P. N. Schumacher

Poster PDF (876.1 kB)

 
P9.2
Comparing techniques and reanalysis datasets when diagnosing the relative severity of convective outbreaks
Chad M. Shafer, University of Oklahoma, Norman, OK ; and A. E. Mercer, M. B. Richman, L. M. Leslie, and C. A. Doswell III

 
P9.4
Composite analysis of environmental conditions favorable for significant tornadoes across eastern Kansas
Joshua M. Boustead, NOAA/NWS, Valley, NE; and B. Mayes Boustead, W. Gargan, G. Phillips, and J. Leighton

Poster PDF (1.9 MB)

 
P9.5
An application of a cutoff low forecaster pattern recognition model to the 30 June–2 July 2009 significant event for the Northeast
Thomas A. Wasula, NOAA/NWS, Albany, NY; and N. A. Stuart, M. Scalora, L. Bosart, and D. Keyser

Poster PDF (1.9 MB)

 
P9.7
ZDR column characteristics and trends during the 10 May 2010 severe weather outbreak
Cynthia A. Van Den Broeke, CIMMS/Univ. of Oklahoma, Norman, OK; and C. D. Payne, L. R. Lemon, and P. T. Schlatter

Poster PDF (932.4 kB)

 
P9.8
The impact of WSR-88D Super-Resolution data in low-level mesocyclone evaluation
James G. LaDue, NOAA/NWS, Norman, OK; and C. S. Spannagle, V. L. Holtz, and S. M. Torres

 
P9.9
The Texas Flash Flood Coalition: Finding Key Solutions in the United States' Deadliest "Flash Flood Alley"


Poster Session 10
Supercells and Tornadoes Posters III
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
 
P10.1 moved. New paper number P8.29

 
P10.1
Using new technologies for damage surveys
John T. Ferree, NOAA/NWS, Norman, OK; and R. Smith and J. Robinson

 
P10.2
Forest damage associated with tornadoes in northern Arizona
David O. Blanchard, NOAA/NWS, Flagstaff, AZ

Poster PDF (2.6 MB)

 
P10.4
Taxonomy and analysis of tornado surface marks
M. I. Zimmerman, West Virginia Univ., Morgantown, WV; and D. C. Lewellen

Poster PDF (2.8 MB)

 
P10.5
On the performance of brick and concrete masonry in windstorms
Timothy P. Marshall, Haag Engineering Co., Irving, TX

Poster PDF (466.9 kB)

 
P10.6
In Situ and radar observations of low-level winds in tornadoes
Joshua Wurman, Center for Severe Weather Research, Boulder, CO; and K. A. Kosiba and P. Robinson

 
P10.7
A comparison of radar observations to real data simulations of axisymmetric tornadoes
Karen A. Kosiba, Center for Severe Weather Research, Boulder, CO; and R. J. Trapp

 
P10.8
Investigations of Cai's Power Law for Strong Tornados
Douglas P. Dokken, University of St. Thomas, St. Paul, MN; and K. Scholz and M. Shvartsman

Poster PDF (518.7 kB)

 
P10.9
Statistical Mechanics of Tornado Intensity Distributions
Masahisa Nakazato, MRI, Tsukuba, Ibaraki, Japan; and O. Suzuki, K. Kusunoki, H. Yamauchi, and H. Y. Inoue

 
P10.10
An anticyclonic tornado observed 10 May 2010 with CASA radar
J. Brotzge, CAPS/Univ. of Oklahoma, Norman, OK; and L. R. Lemon

 
P10.11
Analysis of near-surface wind flow in close proximity to tornadoes
Christopher D. Karstens, Iowa State University, Ames, IA; and T. M. Samaras, W. A. Gallus Jr., C. A. Finley, and B. D. Lee

Poster PDF (2.4 MB)

 
P10.12
A new parametric model of vortex tangential wind-profile: Testing and verification
Vincent T. Wood, NOAA/NSSL, Norman, OK; and L. W. White

Poster PDF (467.4 kB)

 
P10.13
Exploring Doppler radar estimates of tornado intensity
Mallie Toth, Purdue University, West Lafayette, IN; and R. J. Trapp, J. Wurman, and K. A. Kosiba

 
P10.15
Numerical simulation of low-level misocyclones associated with winter convective cells: a case study from the Shonai area railroad weather project
Ken-ichi Shimose, MRI, Tsukuba, Japan; and S. Hayashi, W. Mashiko, K. Kusunoki, K. Bessho, S. Hoshino, K. Araki, H. Y. Inoue, M. Nakazato, Y. Hono, T. Imai, K. Adachi, H. Yamauchi, and T. Takemi

Poster PDF (500.2 kB)

 
P10.17
Impact of lapse rates upon low-level rotation in idealized storms
Matthew D. Parker, North Carolina State Univ., Raleigh, NC

 
P10.18
Origins of the Granite Falls, MN Tornado, July 25, 2000 Revisited
Douglas P. Dokken, University of St. Thomas, St. Paul, MN; and L. Edholm, J. Nelson, K. Scholz, P. Shanahan, K. Weise, R. Naistat, and W. E. Togstad

Poster PDF (1.6 MB)

 
P10.19
Characteristics of supercells simulated with tornadic and non-tornadic RUC-2 proximity soundings. Part III: Comparisons at tornado-resolving gridspacing
Jason Naylor, University of North Dakota, Grand Forks, ND ; and M. S. Gilmore, R. Edwards, and R. L. Thompson

Poster PDF (1.1 MB)


Formal Poster Viewing with Coffee Break
Location: Grand Mesa Ballroom ABC (Hyatt Regency Tech Center)

4:30 PM-6:00 PM: Thursday, 14 October 2010

Recording files available
Session 16A
Supercells and Tornadoes: Tornado Structure, Dynamics, and Damage II
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: Paul M. Markowski, Pennsylvania State University
  4:30 PM
16A.1
A diagnostic study of a numerically generated supercell tornado vortex
Gregory J. Tripoli, University of Wisconsin, Madison, WI; and M. L. Büker
  4:45 PM
16A.2
  5:00 PM
16A.3
  5:15 PM
16A.4
Oklahoma tornadoes of 10 May 2010
Leslie R. Lemon, CIMMS/Univ. of Oklahoma, Norman, OK; and C. D. Payne, C. A. Van Den Broeke, and P. T. Schlatter
  5:30 PM
16A.5
Rapid-scan analyses of supercells during tornadogenesis using a mobile, phased-array, X-band, Doppler radar
Michael M. French, Univ. of Oklahoma, Norman, OK; and H. B. Bluestein, I. PopStefanija, C. Baldi, and R. Bluth
  5:45 PM
16A.6

4:30 PM-6:30 PM: Thursday, 14 October 2010

Recording files available
Session 16B
Severe Weather Climatology III
Location: Grand Mesa Ballroom D (Hyatt Regency Tech Center)
Host: 25th Conference on Severe Local Storms
Chair: William A. Gallus Jr., Iowa State Univ.
  4:30 PM
16B.1
A technique for developing a US climatology of thunderstorms: The ThOR algorithm
Jamie Lahowetz, University of Nebraska, Lincoln, NE; and A. Houston, G. Limpert, A. Gibbs, and B. L. Barjenbruch

  4:45 PM
16B.2
Tracking of mesoscale weather systems in a high-resolution convection-permitting simulation of current climate
Benjamin R. J. Schwedler, Purdue University, West Lafayette, IN; and M. E. Baldwin and R. J. Trapp
  5:00 PM
16B.3
Measured severe convective wind gust climatology of thunderstorms for the contiguous United States, 2003–2009
Bryan T. Smith, NOAA/NWS/NCEP/SPC, Norman, OK; and A. C. Winters, C. M. Mead, A. R. Dean, and T. E. Castellanos
  5:15 PM
16B.4
Regional trends of severe convective weather from high-resolution WRF simulations
Eric D. Robinson, Purdue University, West Lafayette, IN; and R. J. Trapp, M. Baldwin, N. S. Diffenbaugh, and A. Gluhovsky
  5:45 PM
16B.6
Climatology of near-storm environments with convective modes for significant severe thunderstorms in the contiguous United States
Richard L. Thompson, SPC/NWS/NOAA, Norman, OK; and B. T. Smith, J. S. Grams, A. R. Dean, and C. Broyles
  6:00 PM
16B.7
  6:15 PM
Awards & Concluding Remarks

6:30 PM-6:35 PM: Thursday, 14 October 2010


25th Conference on Severe Local Storms Adjourns

8:30 PM-10:30 PM: Thursday, 14 October 2010


Storm Video Night II
Location: Grand Mesa Ballroom F (Hyatt Regency Tech Center)