FNUS73 KLSX 051521
FWSLSX

SPOT FORECAST FOR PRAIRIE FORK CA...MISSOURI DEPARTMENT OF CONSERVATION
NATIONAL WEATHER SERVICE ST LOUIS MO
1021 AM CDT TUE APR 5 2011

FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
WINDS WILL REMAIN SOUTHWESTERLY AROUND 15 MPH WITH GUSTS TO AROUND
20 MPH. AS TEMPERATURES WARM INTO THE MIDDLE 60S...RELATIVE HUMIDITY
VALUES WILL DROP INTO THE LOWER 20 PERCENT RANGE THIS AFTERNOON.
THESE SOUTHWESTERLY WINDS WILL BRING WARMER AIR TO THE REGION ON
WEDNESDAY WITH ABOVE NORMAL HIGHS EXPECTED.  THE NEXT CHANCE FOR
PRECIPITATION IS NOT EXPECTED UNTIL THURSDAY AND THURSDAY NIGHT.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........61 AT IGNITION...MAX 63.
RH..................29 PERCENT AT IGNITION...MIN 23 PERCENT.
WIND...EYE LEVEL....SOUTHWEST AT 6 MPH USING 0.4 ADJUSTMENT FACTOR.
WIND...20 FT........WINDS SOUTHWEST AT 14 MPH AT
                    IGNITION...OTHERWISE SOUTHWEST WIND 10 TO 14
                    MPH.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5100 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHWEST AROUND 23 MPH.
VENTILATION RATE....VERY GOOD (15900 M 2/S) AT MAX HEATING.

.TONIGHT...

RH..................MAX 70 PERCENT.
WIND...20 FT........SOUTH WIND 9 TO 12 MPH.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.WEDNESDAY...

WIND...20 FT........SOUTHWEST WIND 8 TO 13 MPH.
MIXING HEIGHT.......3200 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHWEST AROUND 22 MPH.

$$

FORECASTER...TILLY
REQUESTED BY...LANDRY JONES
TYPE OF REQUEST...PRESCRIBED
.TAG 20110405.PRAIR.01/LSX