FNUS75 KGJT 181512
FWSGJT

SPOT FORECAST FOR YELLOW PINE RX...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
912 AM MDT FRI SEP 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A LOW PRESSURE SYSTEM OVER NEW MEXICO WILL CONTINUE TO SLOWLY
WEAKEN AND SHIFT EAST THROUGH SATURDAY. A LIGHT EASTERLY FLOW
ALOFT WILL BECOME NORTHWEST BY EARLY SATURDAY...THEN INCREASE BY
THE AFTERNOON. MOISTURE WILL LINGER OVER THE AREA IN THE LIGHT
FLOW. BY SATURDAY AFTERNOON THE INCREASED NORTHWEST FLOW WILL
RESULT IN DRYING...BUT ENOUGH MOISTURE WILL REMAIN THROUGH THE
DAYLIGHT HOURS FOR ANOTHER ROUND OF DIURNALLY DRIVEN SHOWERS AND
THUNDERSTORMS.

.TODAY (UNTIL SUNSET)...

SKY/WEATHER.........MOSTLY SUNNY THROUGH MID-MORNING...THEN
                    INCREASING CLOUDS (40-50% COVERAGE BY NOON).
                    BECOMING MOSTLY CLOUDY (60-80%) LATE IN THE
                    AFTERNOON. ISOLATED SHOWERS AND THUNDERSTORMS
                    DEVELOPING IN THE EARLY AFTERNOON AND THEN
                    INCREASING TO SCATTERED LATE IN THE AFTERNOON.
MAX TEMPERATURE.....63-67 F.
MIN HUMIDITY........27-32%.
20-FOOT WINDS.......LIGHT (0-3 MPH) EAST WINDS UNTIL 1200...THEN
                    WINDS INCREASING TO 4-8 MPH AND BECOMING
                    SOUTHEAST WITH A FEW GUSTS TO 12 MPH. VARIABLE
                    AND GUSTY OUTFLOWS EXPECTED NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN IMPROVING TO GOOD DURING
                    THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 8500 FT AGL DURING THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 5 MPH.

.TONIGHT (AFTER SUNSET)...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
                    THUNDERSTORMS UNTIL MIDNIGHT.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT).
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 5 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). INCREASING CLOUDS IN
                    THE AFTERNOON WITH WIDELY SCATTERED SHOWERS
                    AND THUNDERSTORMS DEVELOPING.
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN INCREASING TO VERY GOOD
                    IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 9000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 5 MPH...INCREASING TO 15 MPH BY
                    LATE IN THE AFTERNOON.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...JEREMY SPETTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090918.YELLO.01/GJT