FNUS75 KGJT 011801
FWSGJT

SPOT FORECAST FOR COLUMBINE...FS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1201 PM MDT THU OCT 1 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRIER AND MORE STABLE NORTHWEST FLOW HAS DEVELOPED
OVER THE REGION BEHIND YESTERDAY'S COLD FRONT AND LOW PRESSURE
TROUGH. WEAK HIGH PRESSURE IS EXPECTED TO BUILD THROUGH FRIDAY
FOR DECREASING WINDS ALOFT. AFTER A COLD MORNING...WARMER AND
DRIER CONDITIONS ARE EXPECTED FRIDAY AFTERNOON.

.THIS AFTERNOON (UNTIL SUNSET)...

SKY/WEATHER.........MOSTLY SUNNY (10-20%) WITH SOME FLAT CUMULUS.
MAX TEMPERATURE.....43-48 F.
MIN HUMIDITY........33-38%.
20-FOOT WINDS.......WEST WINDS 4-8 MPH. AT TIMES WINDS MAY BECOME
                    NORTHWEST WITH A FEW GUSTS 12-15 MPH.
SMOKE DISPERSAL.....GOOD.
MIXING HEIGHT.......INCREASING TO 6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 MPH.

.TONIGHT (AFTER SUNSET)...

SKY/WEATHER.........MOSTLY CLEAR (10-20% SOME THIN HIGH CLOUDS).
MIN TEMPERATURE.....16-21 F.
MAX HUMIDITY........56-61%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 0-5 MPH.
SMOKE DISPERSAL.....POOR (4600 KNOT-FT).
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 5 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40% MAINLY HIGH CLOUDS).
MAX TEMPERATURE.....50-55 F.
MIN HUMIDITY........18-23%.
20-FOOT WINDS.......SOUTHEAST WINDS 5 MPH SHIFTING TO THE SOUTHWEST
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR UNTIL NOON THEN BECOMING FAIR.
MIXING HEIGHT.......INCREASING TO 5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...ERIC BRANTINGHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 20091001.COLUM.01/GJT