FNUS75 KGJT 300515
FWSGJT

SPOT FORECAST FOR POWDERHORN...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1115 PM MDT MON MAR 29 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MARCH 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A STRONG PACIFIC STORM WILL AFFECT THE AREA TODAY AND WEDNESDAY.
SLOPE AND VALLEY BREEZES THIS MORNING WILL SHIFT TO THE SOUTHWEST
SHORTLY AFTER SUNRISE AND INCREASE THROUGH THE DAY. THE STRONGEST
WINDS ARE EXPECTED AFTER 1400. SOUTHWEST WINDS WILL REMAIN FAIRLY
STRONG IN THE EARLY EVENING AND SLOWLY DECREASE AFTER ABOUT 2100.
A COLD FRONT WILL BE OVER EASTERN UTAH WEDNESDAY AFTERNOON. WINDY
CONDITIONS WILL CONTINUE THOUGH THE SOUTHWESTERLIES WILL BE A BIT
WEAKER THAN ON TUESDAY. THE FRONT WILL PASS THROUGH THE SITE AROUND
MIDNIGHT WEDNESDAY EVENING.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MAX TEMPERATURE.....47-52 F.
MIN HUMIDITY........24-29%.
WIND (20 FT)........AFTER 0800, SOUTHWEST 8-12 MPH. AFTER 1100
                    INCREASING TO 15 MPH WITH GUSTS TO 25 MPH.
                    AFTER 1400...20 MPH WITH GUSTS TO 35 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN BECOMING VERY GOOD
                    BY NOON.
MIXING HEIGHT.......500-1000 FT AGL UNTIL 0900, THEN INCREASING TO
                    4500 FT AGL ABOUT 1400.
TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 0900, THEN INCREASING
                    SOUTHWEST 30 MPH BY NOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%).
MIN TEMPERATURE.....28-33 F.
MAX HUMIDITY........45-55%.
WIND (20 FT)........SOUTHWEST WINDS 20 MPH WITH GUSTS TO AROUND 35
                    MPH DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN FAIR.
MIXING HEIGHT.......LOWERING TO 1000-2000 FT AGL ABOUT MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 25 MPH UNTIL MIDNIGHT THEN SOUTHWEST
                    15 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....44-49 F.
MIN HUMIDITY........26-31%.
WIND (20 FT)........SOUTHWEST WINDS 10-15 MPH GUSTING TO 25 MPH.

$$
FORECASTER...CHRIS CUOCO
REQUESTED BY...BRIAN STEVENS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100330.POWDE.01/GJT