FNUS73 KUNR 011437
FWSUNR

SPOT FORECAST FOR SUNDANCE UNIT 21...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
837 AM MDT FRI OCT 1 2010

FORECAST IS BASED ON IGNITION TIME OF 0845 MDT ON OCTOBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A COLD FRONT MOVING ACROSS THE AREA THIS MORNING WILL
RESULT IN NORTHERLY WINDS AT RIDGETOP LEVELS. WITH THE SOUTHWEST
ASPECT...WINDS IN SHELTERED AREAS WILL BECOME UPSLOPE THIS AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 62-64.
RH..................MIN AROUND 35 PERCENT.
WIND (20 FT)........RIDGETOP WINDS NORTH 6 TO 10 MPH...SHELTERED AREAS
                    WITH SOUTHWEST ASPECT BECOMING UPSLOPE THIS AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100 TO 4600 FT AGL.
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.
SMOKE DISPERSAL.....GOOD.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 40-42.
RH..................MAX AROUND 75 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTH 5 TO 10 MPH
                    AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 MPH BECOMING SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 63-65.
RH..................MIN AROUND 40 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 13 MPH INCREASING TO 13 TO 18
                    MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 TO 3000 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...NWS
REQUESTED BY...BK411
TYPE OF REQUEST...PRESCRIBED
.TAG 20101001.SUNDA.01/UNR