FNUS75 KGJT 030541
FWSGJT

SPOT FORECAST FOR PINEY PILES...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1041 PM MST TUE FEB 2 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON FEBRUARY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A TROUGH OF LOW PRESSURE WILL BE MOVING ACROSS THE GREAT BASIN AND
INTO WESTERN COLORADO WEDNESDAY NIGHT AND THURSDAY. AS THIS SYSTEM
APPROACHES...SOUTHWEST FLOW ALOFT WILL STRENGTHEN OVER THE BURN
SITE...WITH VALLEY INVERSION HOLDING THROUGH THE DAY. BY THURSDAY...
THE WINDS ALOFT WILL BECOME MORE WESTERLY...WITH VALLEY INVERSIONS
BREAKING AS AREAS OF SNOW DEVELOP OVER THE HIGHER TERRAIN.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (70-80%).
MAX TEMPERATURE.....32-36 F.
WIND (20 FT)........SOUTHWEST WINDS 3-6 MPH.
SMOKE DISPERSAL.....POOR (LESS THAN 20000 KNOT-FT).
MIXING HEIGHT.......INCREASING TO 3100 FT AGL BY 1300.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS.
MIN TEMPERATURE.....12-17 F.
WIND (20 FT)........SOUTHEAST WINDS 3-6 MPH.
SMOKE DISPERSAL.....POOR (LOWERING TO LESS THAN 8000 KNOT-FT).
MIXING HEIGHT.......LOWERING TO 1000 FT AGL BY 1800.
TRANSPORT WINDS.....SOUTH 10 MPH.

.THURSDAY...

SKY/WEATHER.........CLOUDY (90-100%). SCATTERED SHOWERS IN THE
                    MORNING...THEN NUMEROUS SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....27-32 F.
WIND (20 FT)........SOUTH WINDS 3-6 MPH SHIFTING TO THE WEST BY 1300.
SMOKE DISPERSAL.....POOR (INCREASING TO 20000 KNOT-FT)...EXCEPT
                    EXCELLENT NEAR SHOWERS.
MIXING HEIGHT.......RISING TO NEAR 3000 FT AGL BY 1300.
TRANSPORT WINDS.....SOUTHEAST 5 MPH SHIFTING TO THE WEST 10 MPH BY 1300.

$$
FORECASTER...JEFF COLTON
REQUESTED BY...ROB MACDONALD
TYPE OF REQUEST...PRESCRIBED
.TAG 20100203.PINEY.01/GJT