FNUS75 KCYS 240309
FWSCYS

SPOT FORECAST FOR SQUAW CREEK...NWS
NATIONAL WEATHER SERVICE CHEYENNE WY
909 PM MDT TUE AUG 23 2011

FORECAST IS BASED ON REQUEST TIME OF 2030 MDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LIGHT AND VARIABLE WIND SPEEDS CAN BE EXPECTED THIS EVENING AND
OVERNIGHT WHILE HIGH PRESSURE BUILDS ACROSS THE NEBRASKA
PANHANDLE. RELATIVE HUMIDITIES WILL SLOWLY RECOVER THROUGH THE
NIGHT TO VALUES OF 60 PERCENT BY DAYBREAK. THE WIND IS EXPECTED TO
FLIP AROUND THE SOUTHEAST AFTER SUNRISE...BUT WIND SHOULD REMAIN
FAIRLY LIGHT ESPECIALLY NEAR SQUAW MOUNTAIN. MAY SEE SOME UPSLOPE
FLOW ALONG THE MOUNTAIN AFTER DAYBREAK. A SHORTWAVE IS EXPECTED TO
MOVE ACROSS SOUTHERN MONTANA TOMORROW AFTERNOON AND MAY CAUSE THE
WIND TO SWITCH TO THE WEST AFTER SUNSET.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF SMOKE.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........45 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 4-7 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6200 FT AGL DECREASING TO 100 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 6 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (500-49700 KNOT-FT).

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). AREAS OF SMOKE
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........19 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5200 FT AGL INCREASING TO 10300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 9 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (21000-103500 KNOT-FT).

$$
FORECASTER...COX
REQUESTED BY...DAVE LIPSON
TYPE OF REQUEST...WILDFIRE
.TAG 20110823.SQUAW.01/CYS