FNUS73 KLSX 221345
FWSLSX

SPOT FORECAST FOR HARMON SPRING...USFS
NATIONAL WEATHER SERVICE ST LOUIS MO
845 AM CDT TUE MAR 22 2011

FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MARCH 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
A SOUTH WIND WILL PREVAIL THIS MORNING...WITH A SLIGHT TURN
TO THE SOUTH-SOUTHWEST.  LIGHT SHOWERS WILL BE IN THE AREA THIS
MORNING. THE WIND WILL SHIFT TO THE WEST ON WEDNESDAY AS A COLD
FRONT MOVES THROUGH THE AREA. THERE IS AN INCREASED FIRE DANGER
TOMORROW DUE TO GUSTY WESTERLY WINDS AND AFTERNOON RELATIVE HUMIDITY
VALUES FALLING TO BETWEEN 20 AND 30 PERCENT. AFTERNOON 10 HOUR FUEL
MOISTURE VALUES HAVE FALLEN TO 7 TO 8 PERCENT AREA WIDE DUE TO THE
WARM AND DRY WEATHER OVER THE PAST FEW DAYS.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........71 AT IGNITION...MAX 79.
RH..................63 PERCENT AT IGNITION...MIN 35 PERCENT.
WIND...EYE LEVEL....4 TO 7 MPH WITH GUSTS TO 12 MPH (NOTE...EYE
                    LEVEL WINDS ARE CALCULATED FOR FULL SHELTERING
                    IF THIS IS NOT THE CASE...PLEASE CONTACT THE
                    NATIONAL WEATHER SERVICE IN ST LOUIS FOR AN
                    UPDATED FORECAST).
WIND...20 FT........WINDS SOUTH AT 12 MPH AT IGNITION...OTHERWISE
                    SOUTH WIND 11 TO 15 MPH. GUSTS UP TO 25 MPH
                    EARLY IN THE AFTERNOON.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500FT AT IGNITION...2500 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTHWEST AROUND 32 MPH.
VENTILATION RATE....FAIR (8798 M 2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    CHANCE OF SHOWERS AND THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................9-15 STRIKES.
TEMPERATURE.........MIN 56.
RH..................MAX 80 PERCENT.
WIND...EYE LEVEL....4 TO 7 MPH.
WIND...20 FT........SOUTHWEST WIND 11 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................10 PERCENT.
LAL.................NO TSTMS.
TEMPERATURE.........MAX 74.
RH..................MIN 23 PERCENT.
WIND...EYE LEVEL....5 TO 9 MPH 17 MPH.
WIND...20 FT........BREEZY. WEST WIND 11 TO 17 MPH WITH GUSTS TO
                    AROUND 29 MPH UNTIL EARLY AFTERNOON INCREASING
                    TO 14 TO 18 MPH WITH GUSTS TO AROUND 30 MPH
                    DURING MID AND LATE AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 FT AGL AT MAX HEATING.
TRANSPORT WIND......WEST AROUND 28 MPH.
VENTILATION RATE....EXCELLENT (26316 M 2/S) AT MAX HEATING.

$$

FORECASTER...CARNEY
REQUESTED BY...CHRIS WOODS  DFMO
TYPE OF REQUEST...PRESCRIBED
.TAG 20110322.HARMO.01/LSX