FNUS73 KUNR 281338
FWSUNR

SPOT FORECAST FOR CORSON CO RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
738 AM MDT THU APR 28 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
AN UPPER LEVEL RIDGE WILL BRING WARM TEMPERATURES AND LOW HUMIDITY
TO THE AREA TODAY. WESTERLY WINDS THIS MORNING WILL SHIFT MORE TO
THE SOUTH THIS AFTERNOON. A COLD FRONT WILL APPROACH THE AREA
LATE TONIGHT. BREEZY SOUTHEAST WINDS ARE EXPECTED AHEAD OF THE FRONT.
THE COLD FRONT WILL MOVE THROUGH THE BURN AREA FRIDAY MORNING. GUSTY
NORTHWEST WINDS WILL OCCUR BEHIND THE COLD FRONT. SCATTERED SHOWERS
WILL MOVE INTO THE AREA AFTER MIDNIGHT AND CONTINUE THROUGH FRIDAY.

.TODAY...

SKY/WEATHER.........INCREASING CLOUDS.
MAX TEMPERATURE.....65 TO 67.
MIN HUMIDITY........25 TO 28 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH BECOMING SOUTH
                    THIS AFTERNOON.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500 TO 6300 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSION....VERY GOOD

.TONIGHT...

SKY/WEATHER.........BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 40 TO 42.
MAX HUMIDITY........70 TO 75 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 18 MPH.
CWR.................5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSION....POOR

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....AROUND 51 TO 53.
MIN HUMIDITY........AROUND 55 PERCENT.
WIND (20 FT)........WINDS BECOMING NORTHWEST 14 TO 24 MPH
                    WITH GUSTS TO AROUND 35 MPH IN THE MORNING.
CWR.................25 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000 TO 4000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 25 TO 30 MPH.
SMOKE DISPERSION....VERY GOOD.

$$
FORECASTER...NWS
REQUESTED BY...ZAC THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110428.CORSO.01/UNR