FNUS75 KCYS 261427
FWSCYS

SPOT FORECAST FOR DEER CORN SPRINGS...WYO STATE
NATIONAL WEATHER SERVICE CHEYENNE WY
827 AM MDT THU AUG 26 2010

FORECAST IS BASED ON REQUEST TIME OF 1710 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SOUTHWEST WINDS BECOMING VERY GUSTY TONIGHT INTO FRIDAY...

.DISCUSSION...

HIGH PRESSURE WILL REMAIN OVER THE FIRE SITE THROUGH THIS AFTERNOON.
THE SURFACE HIGH IS FORECAST TO MOVE INTO NORTHERN COLORADO THIS MORNING
ALLOWING SOUTHWEST WINDS TO RETURN TO CARBON COUNTY THIS AFTERNOON.
AFTERNOON HUMIDITIES WILL BE QUITE LOW WITH TEMPERATURES IN THE MID TO
UPPER 80S TODAY. A SURFACE LOW PRESSURE SYSTEM IS FORECAST TO MOVE INTO
EASTERN IDAHO THIS EVENING WHICH WILL INCREASE THE SOUTHWEST WINDS
TONIGHT AND ESPECIALLY FRIDAY. SOUTHWEST WINDS WILL INCREASE THIS
AFTERNOON AND REMAIN GUSTY OVERNIGHT. STRONGEST WINDS WILL OCCUR FRIDAY
WITH SUSTAINED WINDS OF 15 TO 20 MPH WITH GUSTS TO 30 TO 35 MPH FRIDAY
AFTERNOON.


.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........20 PERCENT AT BURN TIME...DECREASING TO
                    8 TO 10 PERCENT THIS AFTERNOON.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 10
                    TO 12 MPH WITH HIGHER GUSTS TO 24 MPH IN THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2400 FT AGL INCREASING TO 10500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (16700-156900 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........36 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH WITH GUSTS TO 25 MPH
                    EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH...THEN BECOMING
                    SOUTHEAST AROUND 8 MPH
                    AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5100 FT AGL DECREASING TO 700 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (5200-76900 KNOT-FT).

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........7 TO 10 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 10 TO 17
                    MPH...INCREASING TO 20 MPH WITH GUSTS TO 35 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2800 FT AGL INCREASING TO 11400 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (11300-228900 KNOT-FT).

$$
FORECASTER...CLAYCOMB
REQUESTED BY...MARK STREETS
TYPE OF REQUEST...WILDFIRE
.TAG 20100825.DEERC.01/CYS