FNUS73 KLSX 181019 FWSLSX SPOT FORECAST FOR WHETSTONE 9 18...MISSOURI CONSERVATION DEPARTMENT NATIONAL WEATHER SERVICE ST LOUIS MO 519 AM CDT FRI SEP 18 2009 FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON SEPTEMBER 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL DOMINATE THE REGION TODAY RESULTING IN DRY NORTHEAST FLOW ACROSS THE AREA...AND AFTERNOON HUMIDITY LEVELS FALLING INTO THE LOWER AND MIDDLE 30S. MOISTURE WILL BEGIN TO SLOWLY RETURN TO THE AREA ON SATURDAY...ACCELERATING ON SATURDAY NIGHT INTO SUNDAY AND BRINGING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE REGION. .TODAY... TEMPERATURE.........77 AT IGNITION...MAX 78. RH..................38 PERCENT AT IGNITION...MIN 33 PERCENT. WIND...EYE LEVEL....NORTHEAST WIND 5 TO 10 MPH. WIND...20 FT........WINDS NORTHEAST 5 TO 10 MPH. MIXING HEIGHT.......3700 FT AGL AT IGNITION...MAX 4300 FT AGL. TRANSPORT WIND......NORTHEAST AROUND 10 MPH. VENTILATION RATE....POOR (6190 M 2/S). $$ FORECASTER...GLASS REQUESTED BY...CHAD SMITH TYPE OF REQUEST...PRESCRIBED .TAG 20090918.WHETS.01/LSX