FNUS73 KLSX 292047 FWSLSX SPOT FORECAST FOR MARK TWAIN LAKE...CORPS OF ENGINEERS NATIONAL WEATHER SERVICE ST LOUIS MO 347 PM CDT MON MAR 29 2010 FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MARCH 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE MIDWEST THIS WEEK... BRINGING DRY AND WARMER WEATHER WITH ABOVE NORMAL TEMPERATURES EXPECTED BY THE MIDDLE OF THE WEEK. LOWEST RELATIVE HUMIDITIES WILL DROP TO AROUND 30 PERCENT BY MID WEEK AND WITH AN INCREASING SOUTH TO SOUTHWEST WIND FIRE DANGERS WILL INCREASE INTO THE END OF THE WEEK. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. CWR.................0 PERCENT. .TUESDAY... SKY/WEATHER.........SUNNY. CWR.................0 PERCENT. TEMPERATURE.........43 AT IGNITION...MAX 72. MIN HUMIDITY........70 PERCENT AT IGNITION...MIN 30 PERCENT. WIND...EYE LEVEL....SOUTH WIND 8 TO 13 MPH. WIND...20 FT........WINDS SOUTH AT 7 MPH AT IGNITION...OTHERWISE SOUTH WIND 8 TO 13 MPH. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2500 FT AGL AT IGNITION...4500 FT AGL AT MAX HEATING. TRANSPORT WINDS.....SOUTH AROUND 22 MPH. VENTILATION RATE....GOOD (10652 M 2/S) AT MAX HEATING. $$ FORECASTER...JPK REQUESTED BY...ALLEN MEHRER TYPE OF REQUEST...PRESCRIBED .TAG 20100330.MARKT.01/LSX