FNUS75 KCYS 121948
FWSCYS

SPOT FORECAST FOR SQUIRREL CREEK...FOREST SERVICE
NATIONAL WEATHER SERVICE CHEYENNE WY
148 PM MDT THU JUL 12 2012

FORECAST IS BASED ON REQUEST TIME OF 1259 MDT ON JULY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A FEW SHOWERS AND THUNDERSTORMS OVER THE WESTERN
SLOPE OF THE SNOWY RANGE MAY REDEVELOP FURTHER EAST OVER THE BURN
SITE LATE THIS AFTERNOON...BUT WILL DIMINISH THROUGH THE EVENING.
NOT EXPECTING MUCH PRECIPITATION WITH THESE SHOWERS AS HUMIDITIES
WILL REMAIN IN THE MID TEENS. WESTERLY WINDS AT THE BURN SITE WILL
SHIFT TO THE NORTHEAST THIS AFTERNOON...ALTHOUGH DOWNDRAFT WINDS
FROM ANY THUNDERSTORMS THAT MOVE OVER THE SITE WILL BE ERRATIC
GUSTING 25 TO 30 MPH. MOSTLY CLEAR SKIES WILL OCCUR TONIGHT WITH
DOWNSLOPE/DOWNVALLEY WINDS PREVAILING. WINDS WILL BECOME SOUTHEAST
THROUGH THE MORNING WITH SLIGHTLY HIGHER HUMIDITIES AS LOW LEVEL
MOISTURE SHOULD INCREASE IN THIS FLOW PATTERN. A CHANCE FOR
SHOWERS AND THUNDERSTORMS RETURNS FOR THE BURN SITE LATE TOMORROW
AFTERNOON.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS THROUGH 1800.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 6 TO 8 MPH WITH GUSTS TO
                    14 MPH...BECOMING NORTHEAST BY 1500. ERRATIC WINDS
                    IN THE VICINITY OF THUNDERSTORMS THROUGH 1800.
CWR.................20 PERCENT.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......12900 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 12 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (103000-167300 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 8 MPH UNTIL 2100
                    BECOMING DOWNSLOPE/DOWNVALLEY 3-5 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 400 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 6 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1300-39800 KNOT-FT).

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...BECOMING MOSTLY
                    CLOUDY (60-70 PERCENT) WITH A SLIGHT CHANCE
                    OF SHOWERS AND THUNDERSTORMS AFTER 1300.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY...BECOMING SOUTHEAST 5 TO 9 MPH
                    WITH GUSTS TO 15 MPH BY 1300.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1...BECOMING 2 AFTER 1300.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4800 FT AGL BY 1000...INCREASING TO 11600 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 9 TO 11 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (9600-81400 KNOT-FT).

$$
FORECASTER...MAZUR
REQUESTED BY...BONES BONENBERGER
TYPE OF REQUEST...WILDFIRE
.TAG 20120712.SQUIR.01/CYS