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862
FNUS73 KLSX 151645
FWSLSX

SPOT FORECAST FOR MARK TWAIN STATE PARK...DNR
NATIONAL WEATHER SERVICE ST LOUIS MO
1145 AM CDT TUE APR 15 2014

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE
NATIONAL WEATHER SERVICE.

.DISCUSSION...
NORTHWEST WINDS COULD BE GUSTY OVER THE NEXT FEW HOURS...TO AROUND
15 MPH...PRIOR TO BECOMING LIGHT BY MID-AFTERNOON. MINIMUM RH VALUES
ARE EXPECTED TO BE AROUND 30 PERCENT AND 10 HOUR FUEL MOISTURE VALUES
AROUND THE AREA ARE 15 TO 20 PERCENT...THOUGH COULD DROP TO AROUND
10 TO 11 PERCENT. SIMILARLY DRY RELATIVE HUMIDITY VALUES ARE EXPECTED
TOMORROW AFTERNOON ALONG WITH MUCH STRONGER WINDS AND WARMER
TEMPERATURES.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........42 AT IGNITION...MAX 50.
RH..................43 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND...20 FT........WINDS NORTHWEST AT 7 MPH AT
                    IGNITION...OTHERWISE WEST WIND 6 TO 7 MPH WITH
                    GUSTS TO AROUND 15 MPH IN THE LATE MORNING AND
                    AFTERNOON BECOMING LIGHT LATE IN THE AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 FT AT IGNITION...7500 FT AGL AT MAX HEATING.
TRANSPORT WIND......NORTHWEST AROUND 15 MPH.
VENTILATION RATE....GOOD (15240 M^2/S) AT MAX HEATING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 33.
RH..................MAX 75 PERCENT.
WIND...20 FT........LIGHT WIND EARLY IN THE EVENING BECOMING SOUTH
                    5 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT.
HAINES INDEX........N/A.
MIXING HEIGHT.......N/A.
TRANSPORT WIND......N/A.
VENTILATION RATE....N/A.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 63.
RH..................MIN 30 PERCENT.
WIND...20 FT........BREEZY. SOUTH WIND 11 TO 16 MPH WITH GUSTS TO
                    AROUND 23 MPH EARLY IN THE MORNING INCREASING
                    TO 16 TO 21 MPH WITH GUSTS TO AROUND 33 MPH IN
                    THE LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL AT MAX HEATING.
TRANSPORT WIND......SOUTH AROUND 37 MPH.
VENTILATION RATE....VERY GOOD (23017 M^2/S) AT MAX HEATING.

$$

FORECASTER...JP
REQUESTED BY...CHRIS CRABTREE
TYPE OF REQUEST...PRESCRIBED
.TAG 20140415.MARKT.01/LSX







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