FNUS75 KGJT 122141
FWSGJT

SPOT FORECAST FOR DUCK LAKE...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
341 PM MDT WED AUG 12 2009

FORECAST IS BASED ON REQUEST TIME OF 1459 MDT ON AUGUST 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL CONTINUE TO DOMINATE TONIGHT WITH MOISTURE AND
A WEAK DISTURBANCE ROTATING AROUND THE RIDGE AND OVER SOUTHEASTERN
UTAH PRODUCING INCREASED CLOUD COVER AND ISOLATED SHOWERS AND
THUNDERSTORMS TONIGHT. MOISTURE WILL INCREASE THURSDAY AND BRING
AN INCREASE TO SHOWERS AND THUNDERSTORMS COVERAGE THURSDAY
AFTERNOON AND EVENING. LIGHTNING WILL BECOME MORE WIDE SPREAD
THURSDAY ALTHOUGH STORMS WILL ALSO TRANSITION TO MORE EFFICIENT
RAIN PRODUCERS.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (70-80%).
MAX TEMPERATURE.....70-75 F.
MIN HUMIDITY........12-17%.
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH OCCASIONAL GUSTS TO 17 MPH.
CLEARING INDEX......950.
HAINES INDEX........6 HIGH.
LAL.................1.
MIXING HEIGHT.......11800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%) THEN BECOMING PARTLY
                    CLOUDY (50-60%). ISOLATED SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....50-55 F.
MAX HUMIDITY........34-39%.
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH  OCCASIONAL GUSTS TO 17 MPH
                    DECREASING TO TERRAIN DRIVEN AT 5 MPH AFTER 2100.
                    GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
CLEARING INDEX......250 DECREASING TO 50 IN THE LATE EVENING AND
                    OVERNIGHT.
HAINES INDEX........5 MODERATE.
LAL.................2.
MIXING HEIGHT.......3600 FT AGL DECREASING TO 1000 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 10 MPH.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%) THEN BECOMING MOSTLY
                    CLOUDY (70-80%). SCATTERED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....65-70 F.
MIN HUMIDITY........23-28%.
20-FOOT WINDS.......TERRAIN DRIVEN WINDS 3-5 MPH INCREASING TO
                    6-12 MPH WITH GUSTS TO 18 MPH IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
CLEARING INDEX......100 INCREASING TO 1050.
HAINES INDEX........5 MODERATE.
LAL.................4.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 14 MPH.

$$
FORECASTER...AS
REQUESTED BY...JOHN SHAFFER
TYPE OF REQUEST...WILDFIRE
.TAG 20090812.DUCKL.01/GJT