FNUS75 KCYS 312326
FWSCYS

SPOT FORECAST FOR CHRISTNICK...RAWLINS DISPATCH
NATIONAL WEATHER SERVICE CHEYENNE WY
526 PM MDT WED AUG 31 2011

FORECAST IS BASED ON REQUEST TIME OF 1658 MDT ON AUGUST 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...
SCATTERED SHOWERS AND THUNDERSTORMS WILL GRADUALLY DISSIPATE AFTER
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 BETWEEN 6 AND 9 PM AND CAUSE THE WIND TO SHIFT TO THE NORTH
TOMORROW EVENING. ONE CANNOT RULE OUT AN ISOLATED THUNDERSTORM
ALONG AND BEHIND THE FRONT TOMORROW EVENING.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........51 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 13 TO 18 MPH WITH GUSTS TO
                    AROUND 35 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    EVENING...THEN DECREASING TO 0 PERCENT AFTER
                    MIDNIGHT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......13300 FT AGL DECREASING TO 200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 21 TO 24 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (2700-333600 KNOT-FT).

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........14 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 17 MPH WITH HIGHER GUSTS.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6300 FT AGL INCREASING TO 12300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (87700-271300 KNOT-FT).

$$
FORECASTER...COX
REQUESTED BY...IC WIDMER
TYPE OF REQUEST...WILDFIRE
.TAG 20110831.CHRIS.02/CYS