FNUS75 KCYS 271044
FWSCYS

SPOT FORECAST FOR SEMINOE...USFS
NATIONAL WEATHER SERVICE CHEYENNE WY
444 AM MDT FRI JUL 27 2012

FORECAST IS BASED ON REQUEST TIME OF 2157 MDT ON JULY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
INCREASING SUBTROPICAL MOISTURE AND A PASSING UPPER LEVEL WEATHER
DISTURBANCE FROM THE SOUTHWEST WILL BRING ISOLATED SHOWERS AND
THUNDERSTORMS TO NORTHERN CARBON COUNTY THIS AFTERNOON AND EVENING.
THE ACTIVITY WILL BE HIGH-BASED WITH THE POTENTIAL FOR GUSTY AND
ERRATIC OUTFLOW WINDS TO 40 MPH. OUTSIDE THE SHOWERS AND
THUNDERSTORMS...PREVAILING WINDS WILL BE SOUTHWEST 5 TO 15 MPH WITH
GUSTS OF 15 TO 20 MPH DURING THE AFTERNOON. MINIMUM RELATIVE
HUMIDITIES TODAY AND SATURDAY WILL RANGE FROM 15 TO 20 PERCENT.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........SOUTH 5 TO 9 MPH BECOMING SOUTHWEST 10 TO 15 MPH
                    WITH GUSTS TO 20 MPH IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................1 THEN 2 AFTER NOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......9000 FT AGL INCREASING TO 13200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (60500-168000 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........60 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 10 MPH WITH GUSTS TO 15 MPH
                    EARLY IN THE EVENING DECREASING TO 4 TO 7 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
                    MIDNIGHT.
LAL.................2 UNTIL MIDNIGHT THEN 1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......9700 FT AGL DECREASING TO 1700 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (9900 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........SOUTHWEST 5 TO 10 MPH WITH GUSTS UP TO 15 MPH IN
                    THE LATE MORNING AND AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8900 FT AGL INCREASING TO 15600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (60300-182900 KNOT-FT).

$$
FORECASTER...JAMSKI
REQUESTED BY...CHRIS HAVENER
TYPE OF REQUEST...WILDFIRE
.TAG 20120726.SEMIN.01/CYS