FNUS75 KGJT 281621
FWSGJT

SPOT FORECAST FOR COLUMBINE...FS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1021 AM MDT MON SEP 28 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING BELOW 9000 FEET FOR GUSTY WINDS AND LOW RELATIVE
HUMIDITY...

.DISCUSSION...
STRONG WINDS AND LOW HUMIDITIES EXPECTED TUESDAY AFTERNOON AND
EVENING.

WINDS ALOFT WILL SHIFT FROM SOUTH TO SOUTHWEST AS THE RIDGE
AXIS SHIFTS FARTHER EAST OF THE FIRE AREA THIS AFTERNOON. WARM
TEMPERATURES AGAIN TODAY. WINDS WILL INCREASE TUESDAY AHEAD
OF AN UPPER LEVEL TROUGH AND ASSOCIATED COLD FRONT. CLOUDS WILL
START TO INCREASE TUESDAY AFTERNOON AT MID AND UPPER LEVELS. THE
TROUGH AND FRONT WILL MOVE OVERHEAD WEDNESDAY DROPPING TEMPERATURES
DRASTICALLY AND INCREASING CHANCES FOR PRECIPITATION AND CONTINUED
STRONG WINDS.

.TODAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....71-76 F.
MIN HUMIDITY........10-15%.
20-FOOT WINDS.......TERRAIN DRIVEN WINDS 2-5 MPH SHIFTING TO THE
                    SOUTHWEST 6-12 WITH GUSTS TO 17 MPH IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD BY 1200. BECOMING
                    EXCELLENT BETWEEN 1500 AND 1900 THEN BACK TO
                    VERY GOOD.
MIXING HEIGHT.......1200 FT AGL INCREASING TO 10500 FT AGL.
TRANSPORT WINDS.....SOUTH 10 MPH INCREASING TO SOUTHWEST 21 MPH IN
                    THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30%).
MIN TEMPERATURE.....42-47 F.
MAX HUMIDITY........30-35%.
20-FOOT WINDS.......SOUTHWEST WINDS 6-12 MPH GUSTS TO 17 MPH
                    BECOMING 3-7 MPH AFTER 2100.
SMOKE DISPERSAL.....VERY GOOD  DECREASING TO POOR AFTER 2100.
MIXING HEIGHT.......7800 FT AGL DECREASING TO 1000-1400 FT AGL IN
                    THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 22 MPH.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY
                    CLOUDY (70-80%).
MAX TEMPERATURE.....6-68 F.
MIN HUMIDITY........12-17%.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 6-12 MPH BECOMING
                    15-20 MPH WITH GUSTS UP TO 40 MPH IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT IN THE AFTERNOON.
MIXING HEIGHT.......1300-1500 FT AGL INCREASING TO 7700 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 24 MPH.

$$
FORECASTER...AS
REQUESTED BY...ERIC BRANTINGHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 20090928.COLUM.02/GJT