FNUS75 KGJT 130258
FWSGJT

SPOT FORECAST FOR FRANK S BENCH...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
858 PM MDT SAT SEP 12 2009

FORECAST IS BASED ON REQUEST TIME OF 2033 MDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL BEGIN TO REBUILD AND THE FLOW ALOFT WILL BACK TO
THE SOUTHWEST TODAY. ENOUGH MOISTURE WILL REMAIN OVER THE REGION FOR
DAYTIME HEATING TO TRIGGER THUNDERSTORMS DURING THE AFTERNOON. SHOWER
AND THUNDERSTORM ACTIVITY WILL CONTINUE INTO THE OVERNIGHT HOURS
SUNDAY NIGHT AS MOISTURE INCREASES FROM THE SOUTH.

.TODAY (SUNDAY)...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....70-75 F.
MIN HUMIDITY........18-23%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-5 THROUGH THE MORNING.
                    THEN BECOMING WEST-SOUTHWEST 5-10 MPH WITH
                    GUSTS TO 15 MPH IN THE AFTERNOON. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT AFTER 1300.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......INCREASING TO 11700 FT AGL AFTER 1300.
TRANSPORT WINDS.....SOUTHWEST 18 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....49-54 F.
MAX HUMIDITY........50-55%.
20-FOOT WINDS.......SOUTHWEST 4-7 MPH GUSTING TO 12 MPH UNTIL 2000,
                    THEN DOWNSLOPE/DOWNVALLEY 5-10 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
SMOKE DISPERSAL.....BECOMING POOR AFTER 2000 (1200-12400 KNOT-FT).
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.


$$
FORECASTER...MIKE CHAMBERLAIN
REQUESTED BY...AMY CARMICHAEL
TYPE OF REQUEST...WILDFIRE
.TAG 20090912.FRANK.01/GJT