FNUS75 KGJT 150550
FWSGJT

SPOT FORECAST FOR DAVE WOOD RX...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1150 PM MDT THU MAY 14 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON MAY 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK DISTURBANCE IS PASSING THIS MORNING. THE MAIN
EFFECT IS A SHIFT TO A LIGHTER NORTHWEST FLOW ALOFT. WINDS ON THE
FIRE SITE WILL MOST LIKELY BE TERRAIN DRIVEN. AFTERNOON CUMULUS WILL
REMAIN FLAT WITH LITTLE THREAT OF VIRGA INDUCED WIND GUSTS. THE
SURFACE-BASED INVERSION WILL SET UP QUICKLY AROUND SUNSET.
SATURDAY...THE DRY NORTHWEST FLOW ALOFT CONTINUES WITH A FEW DEGREES
OF WARMING.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (30-50% AFTERNOON CUMULUS OR
                    STRATOCUMULUS).
MAX TEMPERATURE.....65-68 F.
MIN HUMIDITY........18-20%.
20-FOOT WINDS.......LIGHT AND VARIABLE UNTIL 1000. THEN UPVALLEY
                    (NORTH) 3 TO 8 MPH WITH ISOLATED GUSTS TO 15
                    MPH AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1000 THEN FAIR.
                    BECOMING EXCELLENT BY 1300.
MIXING HEIGHT.......LESS THAN 3000 FT AGL UNTIL 1000...RISING TO
                    8000 FT AGL BY 1300.
TRANSPORT WINDS.....NORTHWEST 17 MPH.

.TONIGHT AFTER SUNSET...

SKY/WEATHER.........MOSTLY CLEAR WITH THIN HIGH CLOUD.
MIN TEMPERATURE.....35-40 F.
MAX HUMIDITY........50-55%.
20-FOOT WINDS.......SOUTH 2-5 MPH...SHIFTING TO SOUTHEAST 3-7 MPH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....POOR (MIN 4000 KNOT-FT).
MIXING HEIGHT.......LESS THAN 2000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING...PARTLY CLOUDY
                    IN THE AFTERNOON (20-30% FLAT CUMULUS).
MAX TEMPERATURE.....67-70 F.
MIN HUMIDITY........16-19%.
20-FOOT WINDS.......SOUTHEAST WINDS 2-5 MPH UNTIL 0900. THEN BECOMING
                    UPCANYON (NORTH TO NORTHWEST) 2-5 MPH WITH ISOLATED
                    AFTERNOON GUSTS TO 12 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (6900-150800 KNOT-FT).
MIXING HEIGHT.......LESS THAN 3000 FT AGL UNTIL 1000...THEN RISING TO
                    9000 FT AGL BY 1300.
TRANSPORT WINDS.....NORTHWEST 12 MPH.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...BECKY JOSSART
TYPE OF REQUEST...PRESCRIBED
.TAG 20090515.DAVEW.01/GJT