FNUS75 KCYS 261722
FWSCYS

SPOT FORECAST FOR SANDSTONE CREEK...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
1122 AM MDT SUN AUG 26 2012

FORECAST IS BASED ON REQUEST TIME OF 1052 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE IN THE UPPER ATMOSPHERE WILL REMAIN OVER THE ROCKIES
THROUGH TUESDAY. MID AND UPPER LEVEL MOISTURE WILL FLOW AROUND THAT
FEATURE DURING THAT TIME. AT THE SURFACE...A TROUGH WILL BE EAST OF
THE FIRE SITE AND SURFACE HIGH PRESSURE WILL BE OVER WESTERN
COLORADO. THE RESULT AT THE FIRE SITE WILL BE WARM DAYTIME
TEMPERATURES WITH GUSTY SHOWERS AND THUNDERSTORMS IN THE AFTERNOON
AND EVENING HOURS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). A SCATTERED
                    COVERAGE OF SHOWERS AND THUNDERSTORMS. SOME OF
                    THE STORMS WILL PRODUCE BRIEF WIND GUSTS BETWEEN
                    40 AND 50 MPH.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........13 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 6-11 MPH. GUSTS UP TO 19 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
                    AFTERNOON.
LAL.................3.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 12400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....BECOMING EXCELLENT (133600 KNOT-FT) IN THE
                    AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) WITH A WIDELY
                    SCATTERED COVERAGE OF SHOWERS AND THUNDERSTORMS
                    UNTIL 7 PM. SOME STORMS WILL PRODUCE BRIEF
                    WIND GUSTS BETWEEN 40 AND 50 MPH.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........45 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 8 MPH EARLY IN THE
                    EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH.
                    GUSTS UP TO 15 MPH IN THE EARLY EVENING.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6400 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH IN THE EVENING...THEN
                    DOWNSLOPE OR DOWNVALLEY 5 TO 8 MPH BY LATE
                    EVENING.
SMOKE DISPERSAL.....BECOMING POOR (2800 KNOT-FT) BY MIDNIGHT.

.MONDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) WITH A SCATTERED
                    COVERAGE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON. SOME STORMS WILL PRODUCE BRIEF WIND
                    GUSTS BETWEEN 40 AND 50 MPH.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 6-11 MPH. GUSTS UP TO 18 MPH.
CWR.................20 PERCENT IN THE AFTERNOON.
LAL.................3.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 11900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 12 MPH.
SMOKE DISPERSAL.....BECOMING EXCELLENT (128000 KNOT-FT) IN THE
                    AFTERNOON.

$$
FORECASTER...WEILAND
REQUESTED BY...COLE LAMBERT
TYPE OF REQUEST...WILDFIRE
.TAG 20120826.SANDS.01/CYS