FNUS73 KUNR 151345
FWSUNR

SPOT FORECAST FOR NEEDLES CLEARCUT RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
745 AM MDT FRI OCT 15 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL SLOWLY
SHIFT EAST AS A WEAK FRONTAL BOUNDARY CROSSES THE AREA.
AHEAD OF THE FRONTAL BOUNDARY...WARM TEMPERATURES AND LOW
RELATIVE HUMIDITY CAN BE EXPECTED TODAY. TEMPERATURES
WILL FALL QUICKLY THIS EVENING AS COOLER AIR FILTERS INTO THE
AREA. HIGH TEMPERATURES ON SATURDAY WILL ONLY BE IN THE 50S AND
60S.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 73.
RH..................MIN 12 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 12 MPH BECOMING LIGHT AND VARIABLE
                    LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......RISING TO 6100 TO 7100 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH.
SMOKE DISPERSAL.....POOR THROUGH THE MORNING INCREASING TO GOOD EARLY
                    IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 35.
RH..................MAX 45 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING NORTHEAST BY MIDNIGHT
                    AND INCREASING TO 12 TO 18 MPH. WINDS BECOMING LIGHT
                    AND VARIABLE TOWARD SUNRISE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 16 MPH INCREASING TO 18 TO 24
                    MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 42.
RH..................MIN 37 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTHEAST 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100 TO 4100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...NWS
REQUESTED BY...JAY MILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20101015.NEEDL.01/UNR