Session 3B | 
|   | Mesoscale Convective Systems: The 8 May 2009 Derecho | 
|   | Chair: Stanley B. Trier, NCAR, Boulder, CO 
 | 
 | 1:30 PM | 3B.1 | The 08 May 2009 Missouri Derecho: Radar Analysis and Warning Implications over Parts of Southwest Missouri    
				 Recorded presentation 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    
				 Recorded presentation Stephen F. Corfidi, NOAA/NSSL/SPC, Norman, OK; and M. C. Coniglio and J. S. Kain | 
 | 2:00 PM | 3B.3 | Observations and quantification of counter-rotating mesovortex couplets within the 8 May 2009 southern Missouri derecho    
				 Recorded presentation Angela Lese, NOAA/NWSFO, Louisville, KY; and S. M. Martinaitis | 
 | 2:15 PM | 3B.4 | The 8 May 2009 "Super Derecho": Analysis of a 3 km WRF-ARW realtime forecast   
				 Recorded presentation 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   
				 Recorded presentation Clark Evans, NCAR, Boulder, CO; and M. Weisman and L. Bosart | 
 | 2:45 PM | 3B.6 | An Examination of a Tornado Producing Supercell Behind the Leading Edge of the May 8th, 2009 Historic Wind Storm in Southern Missouri    
				 Recorded presentation Mark F. Britt, NOAA/NWSFO, St. Charles, MO; and R. W. Przybylinski |