FNUS75 KGJT 282049
FWSGJT

SPOT FORECAST FOR CHIMNEY ROCK RX...USFS
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
249 PM MDT THU APR 28 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 9 PM MDT FRIDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY...FOR ELEVATIONS BELOW 7500
FEET...

.DISCUSSION...
SOUTHWEST WINDS WILL DEVELOP BY LATE FRIDAY MORNING AND STRENGTHEN
THROUGH THE AFTERNOON AS THE GRADIENT TIGHTENS AHEAD OF AN
APPROACHING COLD FRONT. THESE STRONG WINDS COMBINED WITH LOW
RELATIVE HUMIDITY WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS
FRIDAY AFTERNOON THROUGH THE EARLY EVENING.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MAX TEMPERATURE.....60-65 F.
MIN HUMIDITY........8-13%.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH UNTIL 1000...THEN
                    BECOMING SOUTHWEST. INCREASING TO 8-12 MPH BY
                    NOON...THEN INCREASING TO SOUTHWEST 15-20 MPH
                    IN THE AFTERNOON WITH GUSTS 25 TO 35 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN IMPROVING TO
                    EXCELLENT IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL UNTIL 0900...THEN INCREASING TO
                    8000 FT AGL IN AFTERNOON.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 6 MPH UNTIL 1000...THEN
                    BECOMING SOUTHWEST AND INCREASING TO 35 MPH
                    DURING THE AFTERNOON.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...FRED ELLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110429.CHIMN.01/GJT