140 likes | 340 Views
Houston, We Have A Problem. Houston Area Floods and Southern LA Floods Due to Tropical Storm Allison Keith Stellman And Carolyn Levert. Synoptic Situation. Meteorological Situation for June 8. Low level center northwest of HGX drifting S Daytime heating 250 E-W Jet across MEX
E N D
Houston, We Have A Problem Houston Area Floods and Southern LA Floods Due to Tropical Storm Allison Keith Stellman And Carolyn Levert
Meteorological Situation for June 8 • Low level center northwest of HGX drifting S • Daytime heating • 250 E-W Jet across MEX • Deep WCD (~5200 m) • LCH WCD (4800 m)
Role of Upper Level Jet 12Z 0609 (Sat Morn) 00Z 0609 (Fri Eve) 06Z 0609 (Midnight)
PW and Thickness 12z 0609 00z 0609 06z 0609
Houston Rainfall June 3-9 Rainfall Totals June 8-9 Rainfall Totals
Pictures I-45 looking north I-10
Pictures Amite/Comite Rivers near Baton Rouge, LA
Deaths in Southeast Texas • 22 deaths from June 8-9 flooding: • 10 in vehicles • 9 on foot • 3 electrocutions
Conclusions • Sea breeze front initiated convection • Gravity wave • Outflow from thunderstorms in Louisiana • Upper level dynamics • Surface low • High PWs • Thickness values decreasing