FNUS73 KLSX 141553 FWSLSX SPOT FORECAST FOR CLARENCE CANNON...USFWS NATIONAL WEATHER SERVICE ST LOUIS MO 1053 AM CDT WED APR 14 2010 FORECAST IS BASED ON IGNITION TIME OF 0830 CDT ON APRIL 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SOUTH-SOUTHWEST WIND IS EXPECTED ON THURSDAY WITH ABOVE NORMAL TEMPERATURES. RELATIVE HUMIDITY VALUES WILL FALL TO 20 TO 25 PERCENT THURSDAY AFTERNOON. .THURSDAY... SKY/WEATHER.........SUNNY. CWR.................0 PERCENT. LAL.................NO TSTMS. TEMPERATURE.........65 AT IGNITION...MAX 84. MIN HUMIDITY........69 PERCENT AT IGNITION...MIN 25 PERCENT. WIND...EYE LEVEL....SOUTHWEST WIND 5 TO 10 MPH. WIND...20 FT........WINDS SOUTH-SOUTHWEST AT 8 MPH AT IGNITION ...OTHERWISE SOUTHWEST WIND 8 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......MORNING INVERSION WILL PROHIBIT MUCH MIXING AT IGNITION...BUT MIIXING HEIGHT WILL INCREASE RAPIDLY BY 10 AM WITH AN AFTERNOON MIXING HEIGHT OF 9200 FT AGL AT MAX HEATING. TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH. VENTILATION RATE....EXCELLENT (30794 M 2/S) AT MAX HEATING. $$ FORECASTER...CVKING REQUESTED BY...CANDY CHAMBERS TYPE OF REQUEST...PRESCRIBED .TAG 20100415.CLARE.01/LSX