FNUS73 KUNR 020222
FWSUNR

SPOT FORECAST FOR HERSHEY...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
822 PM MDT WED SEP 1 2010

FORECAST IS BASED ON REQUEST TIME OF 2005 MDT ON SEPTEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
AT 815 PM...A STRONG THUNDERSTORM WAS LOCATED ABOUT 25 MILES WEST
OF THE BURN AREA...MOVING EAST AT 40 MPH. THIS WOULD AFFECT THE AREA
AROUND 9 PM. ERRATIC WINDS WITH GUSTS TO 50 MPH ARE POSSIBLE...ALONG
WITH LIGHTNING AND SMALL HAIL. AFTER THIS THUNDERSTORM PASSES
THROUGH...THE THREAT FOR SHOWERS AND THUNDERSTORMS WILL LINGER
THROUGH THE NIGHT. A COLD FRONT WILL MOVE THROUGH NORTHEAST WYOMING
TONIGHT...WITH GUSTY NORTHWEST WINDS DEVELOPING THURSDAY MORNING.

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........42-45.
RH..................80-85 PERCENT.
WIND (20 FT)........VARIABLE WINDS 5 TO 10 MPH BECOMING NORTHWEST
                    10 TO 20 MPH AFTER MIDNIGHT. WIND GUSTS TO 50 MPH
                    IN VICINITY OF THUNDERSTORMS.
CWR.................30 PERCENT.
LAL.................3.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 900 TO 1400 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR LATE IN THE NIGHT.

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
TEMPERATURE.........MAX 61-64.
RH..................MIN 40-45 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS 15 TO 22 MPH WITH GUSTS
                    TO AROUND 35 MPH.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400 TO 5400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 30 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD.

$$
FORECASTER...NWS
REQUESTED BY...Q
TYPE OF REQUEST...WILDFIRE
.TAG 20100901.HERSH.01/UNR