FNUS75 KGJT 270612
FWSGJT

SPOT FORECAST FOR AUGUSI...ASF/USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1212 AM MDT FRI AUG 27 2010

FORECAST IS BASED ON REQUEST TIME OF 2145 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SOUTHWESTERLY WINDS ALOFT WILL INCREASE A BIT ON FRIDAY AFTERNOON.
AT THE SAME TIME MOISTURE AND INSTABILITY WILL ALLOW FOR AN INCREASE
AFTERNOON AND EVENING CONVECTIVE ACTIVITY. LINGERING CLOUD COVER
FRIDAY NIGHT WILL INHIBIT THE DEVELOPMENT OF NORMAL DRAINAGE WINDS.
AN APPROACHING WEATHER SYSTEM SATURDAY WILL COMBINE WITH PLENTIFUL
MOISTURE TO PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....80-85 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......SOUTHWEST WINDS 7-12 MPH DEVELOPING AFTER 1100
                    WITH AFTERNOON GUSTS TO AROUND 25 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
CLEARING INDEX......150 INCREASING TO 1000 IN THE AFTERNOON.
HAINES INDEX........5 MODERATE.
LAL.................2.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 7000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 18 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....50-55 F.
MAX HUMIDITY........40-50%.
20-FOOT WINDS.......SOUTHWEST WINDS 7-12 MPH...DECREASING TO 5 MPH
                    AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
CLEARING INDEX......950 DECREASING TO 200.
HAINES INDEX........5 MODERATE.
LAL.................5.
MIXING HEIGHT.......4800 FT AGL DECREASING TO 1000 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST 17 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SHOWERS AND
                    THUNDERSTORMS LIKELY.
MAX TEMPERATURE.....72-77 F.
MIN HUMIDITY........37-42%.
20-FOOT WINDS.......SOUTHWEST WINDS 10-15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
CLEARING INDEX......200 DECREASING TO 150 LATE IN THE
                    MORNING...THEN INCREASING TO 1050 IN THE
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.
LAL.................4.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 8400 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 23 MPH.

$$
FORECASTER...MIKE CHAMBERLAIN
REQUESTED BY...MIKE BERTAGNOLLI
TYPE OF REQUEST...WILDFIRE
.TAG 20100826.AUGUS.01/GJT