FNUS75 KGJT 200459
FWSGJT

SPOT FORECAST FOR POWDERHORN...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1059 PM MDT MON APR 19 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE UPPER LEVEL RIDGE OVER WESTERN COLORADO TUESDAY
WILL KEEP THE WINDS ALOFT LIGHT FROM THE WEST. IN ADDITION...
AFTERNOON TEMPERATURES WILL BE ABOUT 12 DEGREES ABOVE NORMAL...
PRODUCING SOME INSTABILITY. THE NEXT PACIFIC STORM SYSTEM COMES
ONSHORE WEDNESDAY. SOUTHWEST WINDS WILL STRENGTHEN WEDNESDAY AHEAD
OF IT. ANY SHOWER OR THUNDERSTORM WILL PRODUCE MORE WIND THAN
SIGNIFICANT RAINFALL. THE COLD FRONT WILL PASS WEDNESDAY NIGHT FOR
A BETTER CHANCE OF SHOWERS AND A MARKED COOLDOWN ON THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....55-60 F.
MIN HUMIDITY........22-27%.
WIND (20 FT)........WEST WINDS 3-5 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR AT 1100...INCREASING TO GOOD BY 1300.
MIXING HEIGHT.......3000 FT AGL AT 1100 INCREASING TO 12000 FT AGL.
TRANSPORT WINDS.....WEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....28-33 F.
MAX HUMIDITY........62-67%.
WIND (20 FT)........WEST WINDS 5 MPH SHIFTING TO THE SOUTH AFTER
                    MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE EVENING.
SMOKE DISPERSAL.....POOR AFTER 2000.
MIXING HEIGHT.......LESS THAN 2000 FT AGL.
TRANSPORT WINDS.....WEST 10 MPH.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...BRIAN STEVENS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.POWDE.01/GJT