FNUS75 KGJT 240142
FWSGJT

SPOT FORECAST FOR WEST HORSECORN...UT-UOA
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
742 PM MDT TUE AUG 23 2011

FORECAST IS BASED ON REQUEST TIME OF 1913 MDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER HIGH PRESSURE CENTERED NEAR THE 4 CORNERS AREA WILL REMAIN IN
CONTROL OVER EAST-CENTRAL UTAH OVER THE NEXT FEW DAYS. WITH LIGHT
WINDS AT THE SURFACE AND ALOFT UNDER THIS HIGH PRESSURE CELL...THE
USUAL TERRAIN DRIVEN WIND SHIFTS CAN BE EXPECTED. WINDS SPEEDS
WILL GENERALLY BE 10 MPH OR LESS WITH A FEW AFTERNOON GUSTS IN
THE 15 MPH RANGE. A FEW ISOLATED SHOWERS THROUGH LATE THIS EVENING
MAY PRODUCE VARIABLE AND GUSTY OUTFLOW WINDS. SOME ADDITIONAL
MOISTURE ALOFT WILL BE PUSHING NORTHWARD ON WEDNESDAY...BUT
AFTERNOON THUNDERSTORM COVERAGE IS EXPECTED TO REMAIN ISOLATED.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS THROUGH LATE EVENING...THEN
                    MOSTLY CLEAR.
MIN TEMPERATURE.....54 TO 59 F.
MAX HUMIDITY........58 TO 62%.
20-FOOT WINDS.......DOWNSLOPE WINDS AT 3 TO 7 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE EVENING.
SMOKE DISPERSAL.....GOOD THROUGH LATE EVENING THEN DECREASING TO
                    POOR OVERNIGHT.
CLEARING INDEX......600  THROUGH LATE EVENING THEN DECREASING TO
                    LESS THAN 100 OVERNIGHT.
HAINES INDEX........4 LOW.
LAL.................2.
MIXING HEIGHT.......AROUND 9000 FT AGL THROUGH LATE EVENING THEN
                    DECREASING TO LESS THAN 700 FT AGL OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 5 MPH SHIFTING TO THE SOUTHEAST AFTER
                    MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING THEN BECOMING
                    PARTLY CLOUDY BY EARLY AFTERNOON. ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....NEAR 85 F.
MIN HUMIDITY........18 TO 23%.
20-FOOT WINDS.......DOWNSLOPE WINDS 3 TO 5 MPH BECOMING UPSLOPE AT 5 TO
                    8 MPH IN THE AFTERNOON WITH A FEW GUSTS UP TO 15 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR THROUGH MID MORNING INCREASING TO FAIR
                    BY EARLY AFTERNOON.
CLEARING INDEX......LESS THAN 100 THROUGH MID MORNING THEN INCREASING TO
                    550 BY EARLY AFTERNOON.
HAINES INDEX........4 LOW.
LAL.................2.
MIXING HEIGHT.......NEAR 2000 FT AGL THROUGH MID MORNING THEN INCREASING
                    TO 14300 FT AGL BY MID AFTERNOON.
TRANSPORT WINDS.....EAST 5 MPH SHIFTING TO THE SOUTH IN THE
                    AFTERNOON.

$$
FORECASTER...DENNIS PHILLIPS
REQUESTED BY...MATT YAZZI
TYPE OF REQUEST...WILDFIRE
.TAG 20110823.WESTH.01/GJT