FNUS73 KLSX 141357 FWSLSX SPOT FORECAST FOR WELDON SPRING TRAINING AREA...US ARMY RESERVE NATIONAL WEATHER SERVICE ST LOUIS MO 857 AM CDT SAT MAR 14 2009 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... STRONG INVERSION WILL BEGIN TO BREAK AROUND IGNITION TIME...WITH MIXING HEIGHTS INCREASING RAPIDLY AROUND MIDDAY AND INTO EARLY AFTERNOON. LIGHT EAST TO NORTHEAST WINDS WILL CONTINUE ACROSS EAST CENTRAL MISSOURI THROUGHOUT THE DAY. .REST OF TODAY... SKY/WEATHER.........PARTLY CLOUDY THIS MORNING...MOSTLY CLOUDY THIS AFTERNOON. TEMPERATURE.........40 AT IGNITION...MAX 51. RH..................60 PERCENT AT IGNITION...MIN 40 PERCENT. WIND...EYE LEVEL....NORTHEAST WIND AROUND 5 MPH. WIND...20 FT........WINDS NORTHEAST AT 5 MPH AT IGNITION. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-500 FT AGL AT IGNITION...MAXING AT 2600 FT AGL THIS AFTERNOON. TRANSPORT WIND......EAST AROUND 10 MPH. VENTILATION RATE....POOR (3299 M 2/S). $$ FORECASTER...TRUETT REQUESTED BY...JERED WISDOM TYPE OF REQUEST...PRESCRIBED .TAG 20090314.WELDO.01/LSX