FNUS73 KLSX 121538
FWSLSX

SPOT FORECAST FOR WELDON SPRING TRAINING AREA...US ARMY RESERVE
NATIONAL WEATHER SERVICE ST LOUIS MO
938 AM CST FRI NOV 12 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON NOVEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
WINDS WILL REMAIN SOUTHEASTERLY TODAY AS A FRONT REMAINS
TO THE NORTH AND LOW PRESSURE DEEPENS TO THE WEST. TEMPERATURES
WILL REMAIN WELL ABOVE NORMAL WITH MINIMUM AFTERNOON RELATIVE
HUMIDITY FALLING TO AT OR BELOW 25 PERCENT. RAIN IS EXPECTED TO HOLD
OFF UNTIL TONIGHT.  BIG CHANGES BEGIN LATE TONIGHT AND SATURDAY
MORNING WHEN A COLD FRONT MOVES THROUGH THE AREA.  SHOWERS AND
POSSIBLY A THUNDERSTORM WILL ACCOMPANY THE FRONT AND MEASURABLE
RAINFALL IS EXPECTED.  THIS FRONT WILL ALSO USHER IN MUCH COOLER
AIR AND HIGHER RELATIVE HUMIDITY THAT WILL LAST INTO EARLY NEXT
WEEK.


.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................10 PERCENT.
TEMPERATURE.........70 AT IGNITION...MAX 77.
RH..................33 PERCENT AT IGNITION...MIN 23 PERCENT.
WIND...EYE LEVEL....WINDS SOUTHEAST AT 3 TO 4 MPH USING A 0.3
                    ADJUSTMENT FACTOR.
WIND...20 FT........WINDS SOUTHEAST AT 6 TO 9 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL AT IGNITION...4100 FT AGL AT
                    MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 17 MPH.
VENTILATION RATE....GOOD (9584 M 2/S) AT MAX HEATING.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF MAINLY MORNING
                    SHOWERS.
CWR.................50 PERCENT.
TEMPERATURE.........MAX 53.
RH..................MIN 61 PERCENT.
WIND...EYE LEVEL....WEST WIND 4 MPH USING A 0.3 ADJUSTMENT FACTOR.
WIND...20 FT........WEST WIND 8 TO 12 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 FT AGL AT MAX HEATING.
TRANSPORT WIND......WEST AROUND 22 MPH.
VENTILATION RATE....FAIR (7478 M 2/S) AT MAX HEATING.

$$

FORECASTER...TES
REQUESTED BY...JERED WISDOM
TYPE OF REQUEST...PRESCRIBED
.TAG 20101112.WELDO.01/LSX