FNUS75 KGJT 222023
FWSGJT

SPOT FORECAST FOR FLOWING...GRAND JUNCTION DISPATCH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
223 PM MDT SAT AUG 22 2009

FORECAST IS BASED ON REQUEST TIME OF 1357 MDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SOUTH TO SOUTHWEST FLOW WILL TAKE OVER TONIGHT AND
SUNDAY AS A MONSOONAL SURGE OF MOISTURE OVERTAKES WESTERN COLORADO.
ISOLATED THUNDERSTORMS LATE TODAY AND THIS EVENING WILL BE MOSTLY
DRY. A MIX OF WET AND DRY THUNDERSTORMS ALONG WITH COOLER
TEMPERATURES ARE EXPECTED SUNDAY.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-15%) BECOMING PARTLY CLOUDY (40-50%) BY 1600. ISOLATED DRY THU
MAX TEMPERATURE.....71 F.
MIN HUMIDITY........21%.
20-FOOT WINDS.......SOUTHWEST 5-7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....GOOD.
HAINES INDEX........6 HIGH.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%)...BECOMING MOSTLY CLOUDY (70-80%) AFTER MIDNIGHT. ISOLAT
MIN TEMPERATURE.....41-46 F.
MAX HUMIDITY........53-61%.
20-FOOT WINDS.......SOUTHWEST 5-7 MPH SHIFTING TO THE EAST AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS
SMOKE DISPERSAL.....FAIR UNTIL 2100...THEN DECREASING TO POOR.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......7000 FT AGL DECREASING TO 800-1500 FT AGL IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 MPH SHIFTING TO THE SOUTHEAST 5 AFTER MIDNIGHT.

.SUNDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 1200...THEN SC
MAX TEMPERATURE.....60-65 F.
MIN HUMIDITY........48-53%.
20-FOOT WINDS.......SOUTHEAST 5 MPH SHIFTING TO THE SOUTH 8-12 MPH AFTER 1300. GUSTY AND ERRATIC WI
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN INCREASING TO EXCELLENT BY 1400.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......600-1600 FT AGL INCREASING TO 9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 MPH INCREASING TO 20 MPH AFTER 1300.

$$
FORECASTER...JIM DANIELS
REQUESTED BY...LINDSEY GREEN  IC  T
TYPE OF REQUEST...WILDFIRE
.TAG 20090822.FLOWI.01/GJT