FNUS75 KGJT 290617
FWSGJT

SPOT FORECAST FOR COLUMBINE...FS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1216 AM MDT TUE SEP 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TODAY FOR ELEVATIONS
BELOW 9000 FEET...

.DISCUSSION...SOUTHWEST WINDS WILL INCREASE DURING THE DAY AS
MIXING TAKES PLACE AND THE NEXT STORM SYSTEM MOVES INTO THE GREAT
BASIN. RED FLAG CONDITIONS OF STRONG WINDS AND LOW HUMIDITY WILL
DEVELOP IN THE AFTERNOON. WINDS WILL WEAKEN BUT PERSIST THROUGH
THE NIGHT AS MIXING HEIGHTS LOWER AFTER SUNSET. A COLD FRONT WILL
MOVE ACROSS THE BURN AREA ON WEDNESDAY. IT WILL BE COOLER
WEDNESDAY...BUT WINDS WEDNESDAY COULD BE EVEN STRONGER THAN TODAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25%) UNTIL 1200...THEN BECOMING PARTLY CLOUDY (40-50%).
MAX TEMPERATURE.....73-77 F.
MIN HUMIDITY........14-19%.
20-FOOT WINDS.......SOUTH 6 MPH UNTIL 1000...THEN BECOMING SOUTHWEST 12-18 MPH BY 1300. GUSTS UP TO
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR INCREASING TO EXCELLENT BY 1300.
MIXING HEIGHT.......1300 FT AGL INCREASING TO 12000 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTH 8 MPH UNTIL 1000...THEN BECOMING SOUTHWEST 33 MPH BY 1400.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%). ISOLATED SHOWERS AND
                    THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....41-46 F.
MAX HUMIDITY........49-54%.
20-FOOT WINDS.......SOUTHWEST WINDS 12-18 MPH. GUSTS UP TO 40 MPH
                    UNTIL 2100. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR BY MIDNIGHT.
MIXING HEIGHT.......7800 FT AGL DECREASING TO 1200 FT AGL BY MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 35 MPH UNTIL 2100 THEN DECREASING TO 30 MPH BY MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........CLOUDY (80-90%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN NUMEROUS
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....51-55 F.
MIN HUMIDITY........31-36%.
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 15-20 MPH WITH GUSTS TO
                    AROUND 45 MPH. WINDS SHIFTING TO THE WEST AFTER 1500. GUSTY AND ERRATIC WINDS E
                    NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....FAIR INCREASING TO EXCELLENT BY THE AFTERNOON.
MIXING HEIGHT.......1200 FT AGL INCREASING TO 8000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 40 MPH BECOMING WEST AFTER 1500.

$$
FORECASTER...JIM DANIELS
REQUESTED BY...DAN HUISJEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090929.COLUM.01/GJT