FNUS75 KCYS 262232
FWSCYS

SPOT FORECAST FOR DEERHORN...BLM
NATIONAL WEATHER SERVICE CHEYENNE WY
432 PM MDT THU JUL 26 2012

FORECAST IS BASED ON REQUEST TIME OF 1618 MDT ON JULY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE IN THE UPPER ATMOSPHERE WILL BE OVER THE CENTRAL
ROCKIES AND THE FIRE SITE THROUGH THE WEEKEND. A SURFACE TROUGH
WILL DEVELOP OVER EASTERN WYOMING ON FRIDAY AND CONTINUE THROUGH
SATURDAY. MID AND UPPER LEVEL MOISTURE WILL MOVE OVER THE REGION
FRIDAY AND SATURDAY AND WILL PRODUCE SOME HIGH BASED SHOWERS AND
THUNDERSTORMS OVER AND NEAR THE FIRE SITE.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........74 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 8 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........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5300 FT AGL DECREASING TO 400 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....BECOMING POOR AFTER MIDNIGHT (4900 KNOT-FT).

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT). SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    10 TO 16 MPH IN THE LATE AFTERNOON WITH GUSTS
                    TO 24 MPH.
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE
                    AFTERNOON.
LAL.................3.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5400 FT AGL INCREASING TO 10500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....BECOMING EXCELLENT BY MIDDAY. (180100 KNOT-FT).

$$
FORECASTER...WEILAND
REQUESTED BY...JAKE HILER
TYPE OF REQUEST...WILDFIRE
.TAG 20120726.DEERH.01/CYS