FNUS75 KGJT 191928
FWSGJT

SPOT FORECAST FOR WEST DIVIDE...WRNF
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
128 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...UPPER LEVEL RIDGE OVER WESTERN COLORADO ON TUESDAY
WILL SLIDE TO THE EAST TUESDAY NIGHT AND WEDNESDAY AS THE NEXT
STORM SYSTEM CROSSES THE WEST COAST. SOUTHWEST WINDS WILL
STRENGTHEN TUESDAY AND ESPECIALLY WEDNESDAY AHEAD OF IT. VALLEY
INVERSIONS TUESDAY NIGHT COULD BE RATHER SHALLOW...SO ANTICIPATE THERMAL
BELTS ON MID-SLOPES TUESDAY NIGHT...WITH GRADIENT WINDS OVER THE
UPPER SLOPES AND RIDGETOPS. ANY SHOWER OR THUNDERSTORM WILL
PRODUCE MORE WIND THAN SIGNIFICANT RAINFALL.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60%). SCATTERED SHOWERS AND
                    THUNDERSTORMS AFTER 1300.
MAX TEMPERATURE.....64-68 F.
MIN HUMIDITY........17-21%.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 2-5 MPH UNTIL 1030...THEN
                    BECOMING UPSLOPE/UPVALLEY 5 MPH BY 1200. OCCASIONAL
                    SOUTHWEST GUSTS TO 13 MPH AFTER 1400.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR SHOWERS
                    AND THUNDERSTORMS.
SMOKE DISPERSAL.....POOR UNTIL 1100...THEN FAIR INCREASING TO
                    VERY GOOD BY 1500.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6000 FT AGL AT 1200 INCREASING TO 10,500 FT AGL.
TRANSPORT WINDS.....DOWNSLOPE/DOWNVALLEY 3-5 MPH UNTIL 1030...THEN
                    BECOMING UPSLOPE/UPVALLEY 3-5 MPH. AFTER 1200...
                    SOUTHWEST 12 MPH.

.TUESDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50%). ISOLATED SHOWERS AND
                    THUNDERSTORMS UNTIL 2000.
MIN TEMPERATURE.....33-38 F.
MAX HUMIDITY........70-75%.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 5 MPH...EXCEPT SOUTH SOUTHWEST
                    5-10 MPH OVER UPPER SLOPES AND RIDGETOPS.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR SHOWERS
                    AND THUNDERSTORMS.
SMOKE DISPERSAL.....DECREASING TO POOR BY 2100.
HAINES INDEX........3 VERY LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 MPH BECOMING DOWNSLOPE/DOWNVALLEY
                    5 MPH AFTER 2100.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80%). SCATTERED SHOWERS AFTER 1200.
MAX TEMPERATURE.....57-60 F.
MIN HUMIDITY........30-35%.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 3-5 MPH UNTIL 1000...THEN BECOMING
                    SOUTHWEST 8-12 MPH BY 1200. GUSTS TO 25 MPH AFTER 1300.
SMOKE DISPERSAL.....POOR UNTIL 1000...THEN FAIR INCREASING TO EXCELLENT
                    IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 10,000 FT AGL.
TRANSPORT WINDS.....DOWNVALLEY 5 MPH UNTIL 1000...THEN BECOMING
                    SOUTH 15 MPH.

$$
FORECASTER...JIM DANIELS
REQUESTED BY...TONI TOELLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100420.WESTD.01/GJT