FNUS73 KLSX 022250
FWSLSX

SPOT FORECAST FOR GRASSLAND EAST...MISSOURI DEPARTMENT OF NATURAL RESOURCES
NATIONAL WEATHER SERVICE ST LOUIS MO
450 PM CST THU DEC 2 2010

FORECAST IS BASED ON IGNITION TIME OF 1130 CST ON DECEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
LIGHT NORTHEAST WINDS WILL GRADUALLY BECOME EASTERLY...THEN SOUTHEAST AT
AROUND 8 MPH BY IGNITION TIME. REQUESTED SPOT IS EXPECTED TO BE ON THE
SOUTHERN EDGE OF CLOUD COVER ON FRIDAY. IF CLOUDS MOVE FURTHER NORTH SOONER
THAN ANTICIPATED...TEMPERATURES MAY BECOME WARMER AND ALLOW DEEPER MIXING
DURING THE AFTERNOON.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........36 AT IGNITION...MAX 42.
RH..................66 PERCENT AT IGNITION...MIN 50 PERCENT.
WIND...EYE LEVEL....SOUTHEAST AT 3 MPH USING ADJUSTMENT FACTOR
                    OF 0.4.
WIND...20 FT........WINDS SOUTHEAST AT 8 MPH AT
                    IGNITION...OTHERWISE LIGHT WIND EARLY IN THE
                    MORNING BECOMING SOUTHEAST 5 TO 7 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1000 FT AGL AT IGNITION...1400 FT AGL AT MAX HEATING.
TRANSPORT WIND......EAST AROUND 5 MPH.
VENTILATION RATE....POOR (832 M 2/S) AT MAX HEATING.

$$

FORECASTER...TILLY
REQUESTED BY...ROXIE CAMPBELL
TYPE OF REQUEST...PRESCRIBED
.TAG 20101203.GRASS.01/LSX