FNUS75 KGJT 010416
FWSGJT

SPOT FORECAST FOR DEWEY PARK RX...USFS-WHITE RIVER NF
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1016 PM MDT THU APR 30 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MAY 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK LOW PRESSURE SYSTEM WILL SWEEP SOUTHEASTWARD ACROSS THE
NORTHERN ROCKIES TODAY. THIS WILL CREATE DEEP AFTERNOON MIXING IN A
DRY WESTERLY FLOW OVER THE FIRE SITE. HIGH CLOUDS WILL INVADE AND
THICKEN LOWERING AFTERNOON TEMPERATURES AND WINDS SLIGHTLY. EXPECT
RAIN AND COOLER TEMPERATURES ON SATURDAY AND SUNDAY AS THE NEXT
PACIFIC LOW PRESSURE SYSTEM PUSHES ACROSS THE REGION.

.FRIDAY (THROUGH SUNSET)...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). VIRGA OR LIGHT SHOWERS
    NORTHEAST OF THE FIRE SITE AFTER 1200.
MAX TEMPERATURE.....60-65 F.
MIN HUMIDITY........20-25%.
20-FOOT WINDS.......DOWNSLOPE 3 TO 5 MPH INCREASING TO WEST 15 TO 20
    MPH WITH GUSTS TO AROUND 35 MPH AFTER 1200.
SMOKE DISPERSAL.....VERY GOOD BY 1100.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......RISING TO 7000 FT AGL BY 1300.
TRANSPORT WINDS.....DOWNSLOPE 5 MPH THROUGH 0900...THEN WEST 23 MPH
    BY 1100.

.FRIDAY NIGHT (AFTER SUNSET)...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS IN THE
                    EVENING...THEN SCATTERED SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....30-35 F.
MAX HUMIDITY........65-70%.
20-FOOT WINDS.......WEST WINDS 13 TO 18 MPH WITH GUSTS TO AROUND 30
            MPH DECREASING AND BECOMING DOWNSLOPE 3 TO 5 MPH
    AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR(12800-39000 KNOT-FT).
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....WEST 16 MPH...THEN DOWNSLOPE 5 MPH AFTER MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........CLOUDY (90-100%). SHOWERS.
MAX TEMPERATURE.....45-50 F.
MIN HUMIDITY........50-55%.
20-FOOT WINDS.......DOWNSLOPE 3 TO 5 MPH...SHIFTING TO THE SOUTHWEST
    8 TO 13 MPH WITH GUSTS TO 20 MPH BY 1300.
SMOKE DISPERSAL.....BECOMING FAIR BY 1300.
HAINES INDEX........2 VERY LOW.
MIXING HEIGHT.......RISING TO 4000 FT AGL BY 1400.
TRANSPORT WINDS.....DOWNSLOPE 5 MPH THROUGH 1000...THEN BECOMING
    SOUTHWEST 15 MPH BY 1200.

$$

FORECASTER...NORV LARSON
REQUESTED BY...ROSS WILMORE
TYPE OF REQUEST...PRESCRIBED
.TAG 20090501.DEWEY.01/GJT