FNUS75 KGJT 281459
FWSGJT

SPOT FORECAST FOR BLACKRIDGE PILES...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
759 AM MST WED JAN 28 2009

FORECAST IS BASED ON IGNITION TIME OF 0715 MST ON JANUARY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER LEVEL DISTURBANCE WILL BRING AN INCREASE IN CLOUDS AND A
CHANCE OF SHOWERS BEGINNING IN THE AFTERNOON. COOLER AIR ALOFT WILL
RESULT IN A DECREASE IN STABILITY. HOWEVER THE BEST LARGE SCALE
INSTABILITY WILL BE IN THE EVENING...BUT DIURNAL COOLING WILL WORK
AGAINST THIS INSTABILITY.  THERE WILL BE SHORT WINDOW WHEN SMOKE
DISPERSAL WILL CLIMB OUT OF THE POOR CATEGORY THIS AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS
                    POSSIBLE BY AROUND MIDDAY...THEN SCATTERED
                    SHOWERS DEVELOPING LATE IN THE AFTERNOON.
MAX TEMPERATURE.....30-35 F.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-3 MPH UNTIL AROUND 1000...
                    THEN LIGHT AND VARIABLE. BECOMING WEST 4-7 MPH
                    AFTER 1300.
SMOKE DISPERSAL.....POOR UNTIL 1500...THEN FAIR 1500-1700.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....WEST 12 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...JOHN NORTON-JENSEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090128.BLACK.01/GJT