FNUS73 KUNR 222148
FWSUNR

SPOT FORECAST FOR NEEDLES CLEARCUT RX...SD-BKF
NATIONAL WEATHER SERVICE RAPID CITY SD
348 PM MDT WED SEP 22 2010

FORECAST IS BASED ON IGNITION TIME OF 1600 MDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL BE DEVELOPING THE
REST OF THIS AFTERNOON AND EVENING...WITH PRECIPITATION BECOMING
WIDESPREAD TOWARD MIDNIGHT. THE BULK OF THE THUNDERSTORM ACTIVITY
WILL REMAIN SOUTH OF THE BURN AREA...AND THE STORM NEAR CHADRON
WILL NOT AFFECT THE BURN AREA. THE CHANCE OF WETTING RAIN WILL
INCREASE TO NEAR 100 PERCENT AFTER MIDNIGHT THROUGH TOMORROW
MORNING. RAINFALL AMOUNTS OF 0.35 TO 0.85 INCHES ARE POSSIBLE. THE
SHOWERS WILL TAPER OFF TOMORROW AFTERNOON...WITH CLEARING SKIES
THURSDAY NIGHT.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY IN THE
                    EVENING...THEN RAIN SHOWERS AFTER MIDNIGHT.
TEMPERATURE.........MIN 43.
RH..................MAX 100 PERCENT.
WIND (20 FT)........NORTH WINDS 8 TO 14 MPH.
CWR.................100 PERCENT.
LAL.................4 UNTIL 2400...THEN 1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 TO 2100 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 18 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. RAIN
                    SHOWERS IN THE MORNING...THEN CHANCE OF RAIN
                    SHOWERS IN THE AFTERNOON.
TEMPERATURE.........MAX 50.
RH..................MIN 68 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 17 MPH.
CWR.................93 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 TO 3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 23 MPH.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...MB
REQUESTED BY...USFS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100922.NEEDL.02/UNR