FNUS75 KGJT 020646
FWSGJT

SPOT FORECAST FOR COLUMBINE...FS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1246 AM MDT FRI OCT 2 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK RIDGE OF HIGH PRESSURE BUILDS IN FROM THE
WEST TODAY SHIFTING THE WINDS ALOFT TO WEST AND BRINGING A WARMING
TREND. THE AIRMASS WILL REMAIN VERY DRY. AS THE RIDGE SHIFTS EAST
SATURDAY...CLOUDS WILL BEGIN TO INVADE AND SOUTHWEST GRADIENT
WINDS WILL INCREASE. GUSTY WINDS AND SHOWERS ARE LIKELY ON SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....56-59 F.
MIN HUMIDITY........13-16%.
20-FOOT WINDS.......LIGHT AND VARIABLE UNTIL 1100...THEN WEST 3-8 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR.
MIXING HEIGHT.......LESS THAN 2000 FT AGL UNTIL 1000...INCREASING TO
                    4300 FT AGL BY 1300.
TRANSPORT WINDS.....WEST 11 MPH.

.TONIGHT AFTER SUNSET...

SKY/WEATHER.........MOSTLY CLEAR (10-20%).
MIN TEMPERATURE.....26-31 F.
MAX HUMIDITY........37-42%.
20-FOOT WINDS.......DOWNSLOPE 1-4 MPH.
SMOKE DISPERSAL.....POOR (MINIMUM OF 5000 KNOT-FT).
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE 5 MPH.

.SATURDAY...

SKY/WEATHER.........INCREASING HIGH CLOUDS (30-40%).
MAX TEMPERATURE.....61-66 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......DOWNSLOPE 1-4 MPH UNTIL 1000...THEN BECOMING
                    SOUTHWEST 5-10 WITH AFTERNOON GUSTS TO 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000...INCREASING TO EXCELLENT BY
                    1200.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 8900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 MPH INCREASING TO 29 MPH BY 1200.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...ERIC BRANTINGHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 20091002.COLUM.01/GJT