FNUS75 KGJT 220308
FWSGJT

SPOT FORECAST FOR POWELL COMPOLEX...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
908 PM MDT SAT JUL 21 2012

FORECAST IS BASED ON REQUEST TIME OF 2020 MDT ON JULY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DEEP MONSOONAL MOISTURE WILL REMAIN OVER THE REGION.
THEREFORE ANOTHER ROUND OF DIURNALLY FAVORED SHOWERS AND
THUNDERSTORMS WILL DEVELOP ON SUNDAY STARTING AROUND MIDDAY. THESE
STORMS MAY PRODUCE HEAVY RAIN...WITH MINOR FLOODING POSSIBLE.
STORMS WILL CONTINUE THROUGH SUNDAY EVENING...DIMINISHING LATE
SUNDAY NIGHT. SHOWERS AND THUNDERSTORMS WILL AGAIN DEVELOP MONDAY
AFTERNOON...HOWEVER A SLIGHT DOWNTURN IN COVERAGE IS EXPECTED AS
THE AIR MASS SLOWLY BEGINS TO DRY LATE MONDAY. LOOK FOR
TEMPERATURES TO BE JUST A TAD COOLER ON SUNDAY AS COMPARED TO
SATURDAY DUE TO CLOUDS DEVELOPING EARLIER.

.SUNDAY (UNTIL SUNSET)...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%). SCATTERED SHOWERS AND
                    THUNDERSTORMS...MOST NUMEROUS IN THE AFTERNOON.
MAX TEMPERATURE.....84-89 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 1000...THEN
                    LIGHT AND VARIABLE. BECOMING SOUTHWEST 3-6 MPH
                    AFTER 1300. GUSTY AND ERRATIC WINDS EXPECTED
                    FROM SHOWERS THUNDERSTORMS.
SMOKE DISPERSAL.....INCREASING TO GOOD IN THE AFTERNOON.
HAINES INDEX........4 LOW.
LAL.................4.
MIXING HEIGHT.......INCREASING TO 13000 FT AGL.
TRANSPORT WINDS.....SOUTH 5 MPH.

.SUNDAY NIGHT (AFTER SUNSET)...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%)...DECREASING CLOUDS
                    LATE (50-60% CLOUD COVER BY SUNRISE).
                    SCATTERED SHOWERS AND THUNDERSTORMS...MOST
                    NUMEROUS BEFORE MIDNIGHT.
MIN TEMPERATURE.....53-58 F.
MAX HUMIDITY........70-75%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED FROM SHOWERS AND THUNDERSTORMS.
SMOKE DISPERSAL.....GENERALLY POOR...BUT BETTER MIXING NEAR STORMS.
HAINES INDEX........3 VERY LOW.
LAL.................4.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 6 MPH.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%) THEN BECOMING MOSTLY
                    CLOUDY (60-70%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....85-90 F.
MIN HUMIDITY........18-23%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 6 MPH UNTIL 1000...THEN
                    LIGHT AND VARIABLE. BECOMING SOUTHWEST 4-8
                    MPH AFTER 1300 WITH AROUND 20 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED FROM SHOWERS AND
                    THUNDERSTORMS.
SMOKE DISPERSAL.....INCREASING TO GOOD IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
LAL.................4.
MIXING HEIGHT.......INCREASING TO 12200 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...SID HALL FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20120721.POWEL.02/GJT