FNUS75 KGJT 200448
FWSGJT

SPOT FORECAST FOR HIGHWAY 90...BLM
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1048 PM MDT MON APR 19 2010

FORECAST IS BASED ON IGNITION TIME OF 0930 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE UPPER LEVEL RIDGE OVER WESTERN COLORADO TUESDAY
WILL SHIFT THE WINDS ALOFT TO SOUTHWEST. IN ADDITION...AFTERNOON
TEMPERATURES WILL BE ABOUT 12 DEGREES ABOVE NORMAL...FOR SOME
INSTABILITY. THE NEXT PACIFIC STORM SYSTEM COMES ONSHORE WEDNESDAY.
SOUTHWEST WINDS WILL STRENGTHEN WEDNESDAY AHEAD OF IT. VALLEY
INVERSIONS TUESDAY NIGHT COULD BE RATHER SHALLOW...WITH GRADIENT
WINDS OVER THE UPPER SLOPES AND RIDGETOPS. 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%) THEN BECOMING PARTLY
                    CLOUDY (50-60%).
MAX TEMPERATURE.....64-69 F.
MIN HUMIDITY........16-21%.
WIND (20 FT)........SOUTHEAST WINDS 3-7 MPH UNTIL 1100. THEN SOUTHWEST
                    4-8 MPH WITH AFTERNOON GUSTS TO 15 MPH. HIGHER
                    GUSTS NEAR VIRGA.
SMOKE DISPERSAL.....POOR UNTIL 10000...INCREASING TO GOOD BY 1300.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 12200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%).
MIN TEMPERATURE.....45-50 F.
MAX HUMIDITY........45-50%.
WIND (20 FT)........SOUTH WINDS INCREASING TO 10-15 MPH. GUSTS UP
                    TO 30 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR TO EXCELLENT IN GUSTS.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......2000 TO 8000 FT AGL IN GUSTS.
TRANSPORT WINDS.....SOUTHWEST 13 MPH INCREASING TO 23 MPH AFTER
                    MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........CLOUDY (80-90%). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....58-63 F.
MIN HUMIDITY........30-35%.
WIND (20 FT)........SOUTH WINDS 14 MPH WITH GUSTS TO AROUND 30 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......INCREASING TO 11000 FT AGL.
TRANSPORT WINDS.....SOUTH 25 MPH.

$$
FORECASTER...JOE RAMEY
REQUESTED BY...STEVE MUELLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.HIGHW.02/GJT