| Session 7A | 
|  | Supercells and Tornadoes: Supercell Structure and Dynamics I | 
|  | Chair: Adam L. Houston, University of Nebraska, Lincoln, NE 
 | 
|  | 10:30 AM | 7A.1 | Characteristics of supercells simulated with tornadic and non-tornadic RUC-2 proximity soundings. Part II: Sounding variables as predictors of simulated low-level rotation  Recorded presentation Matthew S. Gilmore, University of North Dakota, Grand Forks, ND	; and L. Burkett, R. Edwards, and R. L. Thompson
 | 
|  | 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  Recorded presentation 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  Recorded presentation 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    Recorded presentation 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    Recorded presentation Adam J. French, North Carolina State Univ., Raleigh, NC; and M. D. Parker
 |