| Session 13 | 
|  | Tornadic Storms | 
|  | Organizers: Lou Wicker, NOAA/NSSL, Norman, OK; David Dowell, NCAR, Boulder, CO 
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|  | 10:30 AM | 13.1 | Characteristics of Circulations associated with the 11 February 1999 Tornadic Event over the Mid-Mississippi Valley Region Ron W. Przybylinski, NOAA/NWSFO, St. Charles, MO; and G. K. Schmocker
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|  | 10:45 AM | 13.2 | The Structure of a tornadic bow echo in Idaho   James G. LaDue, NOAA/NWS, Norman, OK
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|  | 11:00 AM | 13.3 | Tornadogenesis within quasi-linear convective systems. Part I: Radar and storm damage analysis of the 29 June 1998 derecho   Justin M. Arnott, Lyndon State College, Lyndonville, VT; and N. T. Atkins
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|  | 11:15 AM | 13.4 | Tornadogenesis within Quasi-Linear Convective Systems. Part II: Preliminary WRF Simulation Results of the 29 June 1998 Derecho   Nolan T. Atkins, Lyndon State College, Lyndonville, VT; and J. M. Arnott
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|  | 11:30 AM | 13.5 | The 29 June 1998 Derecho Across Central Illinois: Issues Associated with Non-Descending Tornadic and Non-Tornadic Vortex Evolution Bradley D. Ketcham, NOAA/NWS, Lincoln, IL; and R. W. Przybylinski
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|  | 11:45 AM | 13.6 | Doppler radar observations of squall line tornadogenesis near the KDVN WSR-88D   Ray Wolf, NOAA/NWS, Davenport, IA
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