FNUS73 KLSX 051510 FWSLSX SPOT FORECAST FOR HAWN PARK ROAD WEST...MISSOURI DEPARTMENT OF NATURAL RESOURCES NATIONAL WEATHER SERVICE ST LOUIS MO 910 AM CST FRI MAR 5 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON MARCH 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL CONTINUE TO DRIFT EASTWARD ACROSS THE AREA TODAY. ALTHOUGH MIXING HEIGHTS EXTEND UP TO 4000 FT AGL...WINDS WILL BE RATHER LIGHT AND BECOMING SOUTHEASTERLY RESULTING IN POOR VENTILATION RATES. IN ADDITION IT IS ALSO WORTH NOTING THE LACK OF MOISTURE OVER THE PAST WEEK HAS ALLOWED TEN HOUR FUEL MOISTURE OBSERVATIONS THIS MORNING TO RANGE IN THE 5-6% LEVELS...AND HUMIDITY LEVELS TODAY WILL DIP TO AROUND 25 PERCENT IN SOME SPOTS IN SOUTHEAST MISSOURI. WINDS WILL INCREASE ON SATURDAY...WITH A CHANCE OF RAIN DEVELOPING NORTH OF INTERSTATE 70 SATURDAY AFTERNOON AND SATURDAY NIGHT. .REST OF TODAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........43 AT IGNITION...MAX 52. MIN HUMIDITY........43 PERCENT AT IGNITION...MIN 28 PERCENT. WIND...20 FT........WINDS WILL BE CALM AT IGNITION ...OTHERWISE LIGHT WIND BECOMING EAST AROUND 5 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......AROUND 2000 FT AGT AT IGNITION ...AROUND 4000 FT AGL AT MAX HEATING. TRANSPORT WINDS.....EAST AROUND 5 MPH. VENTILATION RATE....POOR (1885 M 2/S) AT MAX HEATING. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....28. MAX HUMIDITY........83 PERCENT. WIND...20 FT........EAST WIND AROUND 5 MPH. MIXING HEIGHT.......N/A. TRANSPORT WINDS.....N/A. .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY. MIN HUMIDITY........25 PERCENT. WIND...20 FT........SOUTHEAST WIND AROUND 5 MPH. MIXING HEIGHT.......AROUND 3500 FT AGL AT MAX HEATING. $$ FORECASTER...SIPPRELL REQUESTED BY...JAMIE HUBERT TYPE OF REQUEST...PRESCRIBED .TAG 20100305.HAWNP.01/LSX