FNUS75 KGJT 291755
FWSGJT

SPOT FORECAST FOR SUMMIT PARK...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1155 AM MDT SAT AUG 29 2009

FORECAST IS BASED ON REQUEST TIME OF 1128 MDT ON AUGUST 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN INCREASE IN MID LEVEL MOISTURE TODAY WILL ALLOW ISOLATED
THUNDERSTORMS TO FORM THIS AFTERNOON AND LINGER INTO THIS EVENING.
HIGH PRESSURE WILL GET FLATTENED SUNDAY AS A PACIFIC STORM SYSTEM
MOVES INTO THE GREAT BASIN ACCOMPANIED BY A MODEST INCREASE IN
MOISTURE...WHICH WILL BRING A SLIGHTLY BETTER CHANCE OF CONVECTION
SUNDAY AFTERNOON. AFTERNOON WINDS ALOFT WILL ALSO FAVOR A MORE WEST-
SOUTHWESTERLY DIRECTION.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....75-80 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......WEST 7-12 MPH WITH A FEW AFTERNOON GUSTS
                    TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT.
HAINES INDEX........5 MODERATE.
LAL.................2.
MIXING HEIGHT.......18500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST-NORTHWEST 15 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....41-46 F.
MAX HUMIDITY........58-63%.
20-FOOT WINDS.......NORTHWEST WINDS 5 MPH SHIFTING TO THE SOUTH
                    AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE EVENING.
SMOKE DISPERSAL.....POOR.
HAINES INDEX........4 LOW.
LAL.................2.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 1000 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTH 15 MPH SHIFTING TO THE SOUTH 5 MPH AFTER
                    MIDNIGHT.

.SUNDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY
                    CLOUDY (70-80%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....70-75 F.
MIN HUMIDITY........20-25%.
20-FOOT WINDS.......SOUTHWEST WINDS 7-12 MPH. GUSTS UP TO 20 MPH IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD.
HAINES INDEX........4 LOW.
LAL.................3.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 10100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 10 MPH.

$$
FORECASTER...MIKE CHAMBERLAIN
REQUESTED BY...INCIDENT COMMANDER
TYPE OF REQUEST...WILDFIRE
.TAG 20090829.SUMMI.01/GJT