FNUS73 KLSX 031231
FWSLSX

SPOT FORECAST FOR ICC...ST. CHARLES COUNTY PARKS
NATIONAL WEATHER SERVICE ST LOUIS MO
631 AM CST WED MAR 3 2010

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

.DISCUSSION...
HIGH PRESSURE WILL CONTINUE TO BUILD EAST ACROSS THE AREA
TODAY WITH A LIGHT NORTH-NORTHWEST WIND. A MOSTLY SUNNY SKY
WILL ALLOW TEMPERATURES TO WARM INTO THE LOWER 40S THIS
AFTERNOON WITH RELATIVE HUMIDITY VALUES DROPPING TO NEAR 35
PERCENT. THE MIXING HEIGHT WILL STEADILY INCREASE THIS
MORNING FROM NEAR 2700 FT AGL AT PROPOSED TIME OF IGNITION
TO 4200 FT AGL THIS AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
                    TEMPERATURE.........38 AT IGNITION...MAX 43.
                    MIN HUMIDITY........56 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND...EYE LEVEL....NORTHWEST AT 5 TO 10 MPH.
WIND...20 FT........NORTHWEST AT 5 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2700 FT AGL AT IGNITION...
                    4200 FT AGL AT MAX HEATING.
TRANSPORT WINDS.....NORTH AROUND 15 MPH.
VENTILATION RATE....FAIR (9206 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....21.
MAX HUMIDITY........97 PERCENT.
WIND...EYE LEVEL....NORTHWEST WIND AROUND 5 MPH.
WIND...20 FT........NORTHWEST WIND AROUND 5 MPH.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WINDS.....N/A.
VENTILATION RATE....N/A.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....45.
MIN HUMIDITY........35 PERCENT.
WIND...EYE LEVEL....NORTH WIND AROUND 5 MPH.
WIND...20 FT........NORTH WIND AROUND 5 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL AT NOON...
                    3800 FT AGL AT MAX HEATING.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
VENTILATION RATE....POOR (4792 M 2/S) AT MAX HEATING.

$$

FORECASTER...CVKING
REQUESTED BY...FORESTRY SUPERVISOR
TYPE OF REQUEST...PRESCRIBED
.TAG 20100303.ICC__.01/LSX