FNUS73 KUNR 221654
FWSUNR

SPOT FORECAST FOR SHEEP CREEK...CAMPBELL COUNTY FIRE
NATIONAL WEATHER SERVICE RAPID CITY SD
1054 AM MDT FRI JUL 22 2011

FORECAST IS BASED ON REQUEST TIME OF 1009 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...LOW PRESSURE ACROSS THE REGION WILL BRING A SLIGHT
CHANCE FOR THUNDERSTORMS TO THE AREA THIS AFTERNOON AND TONIGHT.
SOME STORMS MAY BECOME SEVERE. WINDS WILL BE VARIABLE AND GUSTY
NEAR ANY STORMS. WINDS WILL SHIFT TO THE SOUTHWEST IN THE
AFTERNOON BRINGING DRIER AIR. A COLD FRONT WILL CROSS THE SITE
EARLY THIS EVENING BRINGING ANOTHER WIND SHIFT TO THE
NORTHWEST...ALONG WITH STRONGER GUSTS. COOLER AIR IS EXPECTED
SATURDAY BEHIND THE FRONT ALONG WITH HIGHER MINIMUM RELATIVE
HUMIDITIES AND NO CHANCES FOR PRECIPITATION EXPECTED.

.REST OF TODAY...

SKY/WEATHER.........SUNNY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
TEMPERATURE.........MAX 90.
RH..................MIN 19 PERCENT.
WIND (20 FT)........SOUTH WINDS 4 TO 8 MPH...BECOMING SOUTHWEST 7 TO
                    13 MPH IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 11 PERCENT IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......13000 TO 15000 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 10 MPH SHIFTING TO THE EAST AROUND 7
                    MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MIN 61.
RH..................MAX 78 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 13 MPH SHIFTING TO THE
                    NORTHWEST 16 TO 22 MPH EARLY IN THE
                    EVENING...THEN DECREASING TO 6 TO 12 MPH AFTER
                    MIDNIGHT.
CWR.................15 PERCENT.
LAL.................2.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 14 MPH SHIFTING TO THE NORTHWEST
                    16 TO 23 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 80.
RH..................MIN 30 PERCENT.
WIND (20 FT)........NORTH WINDS 9 TO 12 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6600 TO 7600 FT AGL.
TRANSPORT WINDS.....NORTH 18 TO 25 MPH BECOMING NORTHWEST 9 TO 14
                    MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...CALDERON
REQUESTED BY...DALE IZATT
TYPE OF REQUEST...WILDFIRE
.TAG 20110722.SHEEP.01/UNR