FNUS73 KUNR 202257
FWSUNR

SPOT FORECAST FOR SUNDANCE RX UNIT 18...USFS BLRD
NATIONAL WEATHER SERVICE RAPID CITY SD
457 PM MDT MON SEP 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1715 MDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
HIGH PRESSURE WILL BUILD ACROSS THE AREA TONIGHT WITH WINDS BECOMING
LIGHT AND VARIABLE. AS THE HIGH MOVES EAST ON TUESDAY...WINDS
WILL BECOME SOUTHEASTERLY. WITH A NORTH ASPECT ON THE BURN AREA...
WINDS WILL BE PREDOMINATELY UPSLOPE.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........AROUND 70 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH BECOMING LIGHT
                    AND VARIABLE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 9 MPH.
SMOKE DISPERSAL.....POOR.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........AROUND 33 PERCENT.
WIND (20 FT)........RIDGETOP WINDS SOUTH AT 6 TO 12 MPH INCREASING
                    TO AROUND 15 MPH. NORTH ASPECT IN BURN AREA WILL
                    BE PREDOMINATELY UPSLOPE 5 TO 9 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7100 TO 8100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....EXCELLENT.

$$
FORECASTER...NWS
REQUESTED BY...BKF CREW 1
TYPE OF REQUEST...PRESCRIBED
.TAG 20100920.SUNDA.02/UNR