FNUS73 KLSX 131202 FWSLSX SPOT FORECAST FOR MARK TWAIN LAKE...CORPS OF ENGINEERS NATIONAL WEATHER SERVICE ST LOUIS MO 702 AM CDT WED APR 13 2011 FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SOUTH TO SOUTHWEST WINDS WILL CONTINUE TODAY...BECOMING SOUTHWESTERLY AT AROUND 15 MPH ON THURSDAY. DRY WEATHER WILL CONTINUE THROUGH LATE THURSDAY AFTERNOON. SHOWERS AND THUNDERSTORMS ARE EXPECTED TO SPREAD ACROSS THE REGION THURSDAY NIGHT AND FRIDAY. .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY. CWR.................0 PERCENT. LAL.................NO TSTMS. TEMPERATURE.........58 AT IGNITION...MAX 72. RH..................64 PERCENT AT IGNITION...MIN 35 PERCENT. WIND...EYE LEVEL....SOUTH WIND AT 3 MPH...USING A 0.4 ADJUSTMENT. WIND...20 FT........WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE SOUTHEAST WIND 5 TO 6 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......900 FT AGL AT IGNITION... 5700 FT AGL AT MAX HEATING. TRANSPORT WIND......SOUTH AROUND 9 MPH. VENTILATION RATE....FAIR (7164 M 2/S) AT MAX HEATING. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY SUNNY THEN BECOMING MOSTLY CLOUDY. CWR.................20 PERCENT. LAL.................NO TSTMS. TEMPERATURE.........MAX 73. RH..................MIN 44 PERCENT. WIND...EYE LEVEL....SOUTHEAST WIND 4 TO 7 MPH UNTIL EARLY AFTERNOON INCREASING TO AROUND 7 DURING MID AND LATE AFTERNOON. WIND...20 FT........SOUTHEAST WIND 9 TO 15 MPH UNTIL EARLY AFTERNOON INCREASING TO AROUND 16 MPH DURING MID AND LATE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......5000 FT AGL AT MAX HEATING. TRANSPORT WIND......SOUTHEAST AROUND 23 MPH. VENTILATION RATE....GOOD (15648 M 2/S) AT MAX HEATING. $$ FORECASTER...TES REQUESTED BY...ALLEN MEHRER TYPE OF REQUEST...PRESCRIBED .TAG 20110413.MARKT.01/LSX