FNUS75 KGJT 210531
FWSGJT

SPOT FORECAST FOR THOMPSON CREEK SAR...PITKIN COUNTY SHERIFFS OFFICE
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1131 PM MDT WED OCT 20 2010

FORECAST IS BASED ON INCIDENT TIME OF 2316 MDT ON OCTOBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...CLOUDS WILL BE ON THE INCREASE TONIGHT AS LOW PRESSURE
TO THE SOUTHWEST STARTS MOVING TOWARDS SOUTHERN COLORADO.
TEMPERATURES WILL DROP BELOW FREEZING IN THE NEXT FEW HOURS.
LIGHT WINDS ARE EXPECTED TONIGHT WITH NO PRECIPITATION.
CONDITIONS WILL DETERIORATE TOMORROW AS THE LOW GETS CLOSER AND
BANDS OF PRECIPITATION SET UP. SHOWERS AND THUNDERSTORMS ARE
POSSIBLE THROUGHOUT THE DAY. SOME SNOW SHOWERS ARE ALSO POSSIBLE
AT HIGHER ELEVATIONS.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40%).
MIN TEMPERATURE.....28-33 F.
MAX HUMIDITY........66-71%.
20-FOOT WINDS.......SOUTHEAST WINDS 5 MPH.
SMOKE DISPERSAL.....POOR (5800-8200 KNOT-FT).
CLEARING INDEX......50 INCREASING TO 100 AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.
LAL.................1.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 MPH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70%). ISOLATED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....50-55 F.
MIN HUMIDITY........34-39%.
20-FOOT WINDS.......SOUTHEAST WINDS 5 MPH SHIFTING TO THE WEST IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
SMOKE DISPERSAL.....POOR (4100-19100 KNOT-FT).
CLEARING INDEX......50 INCREASING TO 200 IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW.
LAL.................2.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 3600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 5 MPH SHIFTING TO THE NORTHEAST IN
                    THE AFTERNOON.

$$
FORECASTER...TOM RENWICK
REQUESTED BY...PITKIN DEPUTY BURCHETTA
TYPE OF REQUEST...SAR
.TAG 20101020.THOMP.01/GJT