FNUS75 KGJT 070911
FWSGJT

SPOT FORECAST FOR POWDERHORN...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
311 AM MDT TUE APR 7 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE OVER UTAH BRINGS CLEAR SKIES
AND ABOVE NORMAL AFTERNOON TEMPERATURES THIS AFTERNOON. EXPECT
GRADIENT WEST WINDS TO BEGIN TO MIX DOWN AT IGNITION TIME THAT WILL
END WITH SUNSET. THE NIGHTTIME SURFACE INVERSION WILL BE WEAKER
TONIGHT AS SOUTHWEST GRADIENT WINDS INCREASE. IT IS POSSIBLE TO GET
SHORT PERIODS OF GUSTY WIND AND MIXING OVERNIGHT...ESPECIALLY TOWARDS
MORNING. EXPECT GUSTS OF 40-50MPH WEDNESDAY AFTERNOON...AND 3-8 INCHES
OF NEW SNOW WEDNESDAY EVENING THROUGH THURSDAY EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....53-57 F.
MIN HUMIDITY........15-18%.
20-FOOT WINDS.......SOUTHWEST WINDS 2-5 MPH UNTIL 0900 THEN LIGHT
                    AND VARIABLE. AFTER 1100 WEST 5-10 MPH WITH
                    AFTERNOON GUSTS TO 17 MPH.
SMOKE DISPERSAL.....GOOD BECOMING EXCELLENT BY 1400.
MIXING HEIGHT.......RISING TO 7000 FT AGL BY 1400.
TRANSPORT WINDS.....WEST 22 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH INCREASING HIGH CLOUD.
MIN TEMPERATURE.....24-28 F.
MAX HUMIDITY........59-64%.
SMOKE DISPERSAL.....POOR EXCEPT FOR PERIODS OF GOOD MIXING POSSIBLE
                    TOWARDS MORNING.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...BRIAN STEVENS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090407.POWDE.01/GJT