FNUS75 KCYS 010007
FWSCYS

SPOT FORECAST FOR HORSE CREEK WY...LARAMIE COUNTY EM
NATIONAL WEATHER SERVICE CHEYENNE WY
607 PM MDT WED AUG 31 2011

FORECAST IS BASED ON REQUEST TIME OF 1758 MDT ON AUGUST 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY...

.DISCUSSION...
AN ISOLATED SHOWER OR THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE
THROUGH SUNSET. UNTIL THEN...GUSTY WINDS ERRATIC WINDS UP TO 40
MPH WILL PERSIST ALONG WITH SOME LIGHTNING STRIKES WHICH MAY START
MORE FIRES. AFTER SUNSET...THE WIND WILL GENERALLY BE OUT OF THE
SOUTHWEST AT 10 TO 20 MPH WITH CLEARING SKIES. THE WIND SHOULD
SLACKEN EVEN MORE TOWARDS DAYBREAK. THE SOUTHWEST WIND WILL
INCREASE TO SPEEDS OF 20 TO 30 MPH BY MID MORNING WITH SOME GUSTS
TO 40 MPH POSSIBLE. A COLD FRONT IS EXPECTED TO MOVE THROUGH THE
AREA AFTER 9 PM TOMORROW EVENING AND CAUSE THE WIND TO SHIFT TO
THE NORTH. ONE CANNOT RULE OUT AN ISOLATED THUNDERSTORM ALONG AND
BEHIND THE FRONT TOMORROW EVENING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    MOSTLY CLEAR (25-35 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 13 TO 17 MPH AND GUSTY.
CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6200 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (2700-135800 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 15 TO 17 MPH WITH HIGHER GUSTS.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5400 FT AGL INCREASING TO 10500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 22 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (80300-231200 KNOT-FT).

$$
FORECASTER...COX
REQUESTED BY...LARAMIE COUNTY EM
TYPE OF REQUEST...WILDFIRE
.TAG 20110831.HORSE.01/CYS