FNUS73 KUNR 131839
FWSUNR

SPOT FORECAST FOR FOSSIL...GREAT PLAINS DISPATCH
NATIONAL WEATHER SERVICE RAPID CITY SD
1239 PM MDT THU AUG 13 2009

FORECAST IS BASED ON REQUEST TIME OF 1214 MDT ON AUGUST 13.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
HOT TEMPERATURES AND LOW HUMIDITIES WILL PREVAIL AGAIN TODAY WITH
ONLY FAIR RECOVERY TONIGHT. THERE IS A SMALL CHANCE FOR
THUNDERSTORMS MAINLY THIS AFTERNOON AND EVENING. FRIDAY WILL BE A
FEW DEGREES COOLER WITH A SLIGHTLY BETTER CHANCE FOR
THUNDERSTORMS.

MUCH COOLER TEMPERATURES ARE EXPECTED OVER THE WEEKEND BEHIND A
COLD FRONT...ALONG WITH BETTER CHANCES FOR PRECIPITATION.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS IN
                    THE AFTERNOON.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........14 PERCENT.
WIND (20 FT)........EAST WINDS 4 TO 8 MPH BECOMING SOUTH 7
                    TO 11 MPH IN THE AFTERNOON.
CWR.................5 PERCENT.
LAL.................2.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....VERY GOOD.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 65.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH BECOMING WEST AFTER
                    MIDNIGHT.
CWR.................5 PERCENT.
LAL.................2.
HAINES INDEX........6 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300 TO 700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF AFTERNOON
                    THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.
CWR.................10 PERCENT.
LAL.................2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...JJ
REQUESTED BY...MEGAN
TYPE OF REQUEST...WILDFIRE
.TAG 20090813.FOSSI.01/UNR