FNUS75 KGJT 091558
FWSGJT

SPOT FORECAST FOR MUSTANG RIDGE PILES...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
858 AM MST WED DEC 9 2009

FORECAST IS BASED ON IGNITION TIME OF 1015 MST ON DECEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK UPPER LEVEL DISTURBANCE WILL SWEEP OVER NORTHEAST UTAH THIS
AFTERNOON. THIS WILL BRING A LITTLE INSTABILITY ALLOWING BETTER
MIXING AT THE BURN SITE FOR A PERIOD DURING THE AFTERNOON. THEN ON
THURSDAY...WARMING ALOFT WILL RESULT IN A CAP THAT WILL KEEP SMOKE
DISPERSAL POOR THROUGHOUT THE DAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY...THEN INCREASING CLOUDS BY
                    LATE MORNING (60-70% BY THE AFTERNOON).
                    ISOLATED SHOWERS DEVELOPING.
MAX TEMPERATURE.....5-10 F.
MIN HUMIDITY........50-55%.
CLEARING INDEX......100 INCREASING TO 510 IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 3000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST-NORTHWEST 20 MPH.

.TONIGHT...

MIN TEMPERATURE.....20 BELOW-15 BELOW F.
CLEARING INDEX......DECREASING TO LESS THAN 100 SOON AFTER
                    SUNSET.
MIXING HEIGHT.......LOWERING TO AROUND 500 FT AGL SOON
                    AFTER SUNSET.
TRANSPORT WINDS.....NORTHWEST 10 MPH.

.THURSDAY...

MAX TEMPERATURE.....9-14 F.
CLEARING INDEX......200.
MIXING HEIGHT.......INCREASING TO AROUND 1500 IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...CORDELL TAYLOR
TYPE OF REQUEST...PRESCRIBED
.TAG 20091209.MUSTA.01/GJT