FNUS73 KUNR 162343
FWSUNR

SPOT FORECAST FOR SUNDANCE RX UNIT 18...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
543 PM MDT THU SEP 16 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A COLD FRONT WILL MOVE ACROSS THE REGION EARLY
TONIGHT WITH WINDS SHIFTING TO THE NORTHWEST AT 8 TO 15 MPH.
ON FRIDAY NORTH WINDS DURING THE MORNING HOURS WILL SHIFT TO THE
NORTHEAST AT 5 TO 10 MPH BY NOONTIME. SKIES WILL BE MOSTLY CLOUDY
WITH COOLER TEMPERATURES AND MINIMUM RELATIVE HUMIDITIES AROUND 55
PERCENT FRIDAY AFTERNOON. MIXINGS HEIGHT WILL BE 3000-4000 FT.

FRIDAY NIGHT WILL BE COOL WITH LOWS NEAR 40 AND EXCELLENT RELATIVE
HUMIDITY RECOVERY. COOL AND MOIST WEATHER WILL CONTINUE ON SATURDAY.


.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
TEMPERATURE.........MIN 44.
RH..................MAX 86 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 14 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000 TO 1500 FT AGL.
TRANSPORT WINDS.....NORTH 16 TO 21 MPH.
SMOKE DISPERSAL.....VERY GOOD DECREASING TO POOR.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........55 AT IGNITION...MAX 60.
RH..................64 PERCENT AT IGNITION...MIN 55 PERCENT.
WIND (20 FT)........WINDS NORTHEAST AT 7 MPH AT
                    IGNITION...OTHERWISE EAST WINDS 7 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3200 TO 4200 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...LC
REQUESTED BY...HUHNERKOCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100917.SUNDA.01/UNR