FNUS75 KGJT 221442
FWSGJT

SPOT FORECAST FOR SEGAR MT...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
842 AM MDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 0930 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE OVER THE GREAT BASIN WEAKENS TODAY. A
WEAK DISTURBANCE WILL PASS THIS AFTERNOON BRINGING SLIGHTLY
INCREASED INSTABILITY. MUCH ABOVE NORMAL TEMPERATURES WILL CONTINUE
TODAY AND THURSDAY...ADDING TO THE POTENTIAL FOR AN ISOLATED
AFTERNOON BUILDUP OVER THE HIGHER TERRAIN. GUSTY OUTFLOW WINDS ARE A
THREAT BOTH AFTERNOONS. GRADIENT SOUTHWEST WINDS INCREASE ON THURSDAY
AS A TROUGH OF LOW PRESSURE STRENGTHENS OVER THE PACIFIC NORTHWEST.


.TODAY (UNTIL SUNSET)...

SKY/WEATHER.........MOSTLY SUNNY (20-30%) THEN BECOMING PARTLY
                    CLOUDY (50-60%). ISOLATED VIRGA POSSIBLE IN
                    THE LATE AFTERNOON.
MAX TEMPERATURE.....68-72 F.
MIN HUMIDITY........14-17%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 1000...THEN
                    BECOMING WEST AND INCREASING TO 8-12 MPH
                    IN THE AFTERNOON WITH ISOLATED GUSTS TO 20 MPH.
                    STRONGER GUSTS POSSIBLE NEAR ANY VIRGA.
SMOKE DISPERSAL.....BECOMING EXCELLENT IN THE AFTERNOON.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......12900 FT AGL.
TRANSPORT WINDS.....WEST 16 MPH.

.TONIGHT (AFTER SUNSET)...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MIN TEMPERATURE.....40-45 F.
MAX HUMIDITY........45-50%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH.
SMOKE DISPERSAL.....POOR (BELOW 10000 KNOT-FT).
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWN/VALLEY 6 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MAX TEMPERATURE.....70-75 F.
MIN HUMIDITY........12-17%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 1000...THEN
                    BECOMING SOUTHWEST AND INCREASING TO 10-15
                    MPH WITH GUSTS TO AROUND 35 MPH IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....BECOMING EXCELLENT IN THE AFTERNOON.
HAINES INDEX........6 HIGH.
MIXING HEIGHT.......16100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 23 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...DAVE TOELLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.SEGAR.01/GJT