FNUS75 KGJT 281928
FWSGJT

SPOT FORECAST FOR DEVILS CANYON...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
128 PM MDT FRI AUG 28 2009

FORECAST IS BASED ON REQUEST TIME OF 1305 MDT ON AUGUST 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...POSSIBLE CRITICAL FIRE WEATHER CONDITIONS MONDAY AFTERNOON WITH
LOW HUMIDITIES...GUSTY WINDS...AND HIGH HAINES INDEX...

.DISCUSSION...HIGH PRESSURE IS ANCHORED IN SOUTHWEST UTAH. THIS IS
PRODUCING A DRY LIGHT NORTHEAST FLOW OVER THE REGION. THERE IS A
STRONG SUBSIDENCE INVERSION AT AROUND 11000 FEET ABOVE THE BURN SITE
THAT WILL LIMIT MIXING. GRADIENT WINDS WILL BEGIN TO INCREASE SUNDAY
AND MONDAY AS A DISTURBANCE WORKS INTO WYOMING. CHANCES OF
THUNDERSTORMS INCREASES WEDNESDAY THROUGH FRIDAY.

.TONIGHT AFTER SUNSET...

SKY/WEATHER.........MOSTLY CLEAR (20-30%).
MIN TEMPERATURE.....49-54 F.
MAX HUMIDITY........55-60%.
20-FOOT WINDS.......NORTHEAST AT 1-5 MPH.
CLEARING INDEX......200 DECREASING TO 50 BY 2200.
HAINES INDEX........5 MODERATE.
LAL.................1.
MIXING HEIGHT.......3000 FT AGL DECREASING TO 1000 FT AGL BY 2200.
TRANSPORT WINDS.....NORTHEAST 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20%) THEN BECOMING PARTLY
                    CLOUDY (30-40%).
MAX TEMPERATURE.....86-90 F.
MIN HUMIDITY........14-16%.
20-FOOT WINDS.......EAST WINDS 1-5 MPH UNTIL 1000...THEN LIGHT AND
                    VARIABLE. BY 1200...SOUTHWEST 2-6 MPH.
CLEARING INDEX......LESS THAN 500 UNTIL 1200...THEN RISING TO 750.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......LESS THAN 3000 FT AGL UNTIL 1000...THEN
                    INCREASING TO 10000 FT AGL BY 1500.
TRANSPORT WINDS.....NORTH 3 MPH UNTIL 0900...THE TRANSITIONING TO
                    SOUTHWEST 8 MPH.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...INCIDENT COMMANDER
TYPE OF REQUEST...WILDFIRE
.TAG 20090828.DEVIL.02/GJT