FNUS75 KCYS 261025
FWSCYS

SPOT FORECAST FOR SEMINOE...USFSHAVENER
NATIONAL WEATHER SERVICE CHEYENNE WY
425 AM MDT THU JUL 26 2012

FORECAST IS BASED ON REQUEST TIME OF 2144 MDT ON JULY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRIER AIR WILL FILTER INTO CARBON COUNTY AND THE BURN SITE TODAY.
WINDS WILL BE WEST TO NORTHWEST UP TO 10 MPH WITH OCCASIONAL HIGHER
GUSTS DURING THE AFTERNOON. HUMIDITY RECOVERY TONIGHT WILL BE FAIR
WITH LIGHT WINDS PRODUCING POOR DISPERSAL. SUBTROPICAL MOISTURE WILL
INCREASE ON FRIDAY WITH ISOLATED THUNDERSTORMS DEVELOPING DURING THE
AFTERNOON. THE THUNDERSTORMS WILL BE HIGH-BASED WITH THE POTENTIAL
FOR GUSTY AND ERRATIC OUTFLOW WINDS BUT PRODUCE LIGHT WETTING
RAINFALL. SMOKE DISPERSAL WILL BECOME GOOD BY LATE MORNING AND
EXCELLENT DURING THE AFTERNOON TODAY AND FRIDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........WEST AROUND 4-7 MPH IN MORNING BECOMING
                    NORTHWEST AROUND 10 MPH WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8400 FT AGL INCREASING TO 12000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH WITH GUSTS TO 15 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (50300-119700 KNOT-FT).

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 58.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........NORTHEAST 5-10 MPH IN THE EVENING BECOMING
                    SOUTHEAST 4-7 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6000 FT AGL DECREASING TO 200 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (1300 KNOT-FT).

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........SOUTH 4-7 MPH IN THE MORNING BECOMING
                    SOUTHWEST AROUND 10 MPH WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
                    AFTERNOON.
LAL.................2 AFTER NOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6800 FT AGL INCREASING TO 13200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH WITH GUSTS TO 15 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (47600-145400 KNOT-FT).

$$
FORECASTER...JAMSKI
REQUESTED BY...HAVENER
TYPE OF REQUEST...WILDFIRE
.TAG 20120725.SEMIN.01/CYS