FNUS73 KUNR 222020
FWSUNR

SPOT FORECAST FOR SUNDANCE RX  21...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
220 PM MDT FRI OCT 22 2010

FORECAST IS BASED ON IGNITION TIME OF 1415 MDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH CLOUDS WILL INCREASE THIS AFTERNOON AND EVENING AS
A WEATHER SYSTEM MOVES IN FROM THE SOUTH. SMOKE DISPERSAL WILL BE POOR
OVERNIGHT AND TOMORROW DUE TO LIGHT TRANSPORT WINDS. SURFACE WINDS
DURING THAT PERIOD WILL BE LIGHT OUT OF THE EAST AROUND 5 MPH. SCATTERED
RAIN SHOWERS WILL DEVELOP OVERNIGHT AND PERSIST THROUGH TOMORROW.

.THIS AFTERNOON...

SKY/WEATHER.........PARTLY SUNNY WITH INCREASING CLOUDS.
TEMPERATURE.........64 AT IGNITION...MAX 67.
RH..................35 PERCENT AT IGNITION...MIN 30 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 5 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL...DECREASING TO 500 FT AGL
                    IN THE EARLY EVENING.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS
                    AFTER MIDNIGHT.
TEMPERATURE.........MIN 40.
RH..................MAX 100 PERCENT.
WIND (20 FT)........EAST AROUND 3 MPH.
CWR.................20 PERCENT INCREASING TO 50 PERCENT AFTER
                    MIDNIGHT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......UP TO 500 FT AGL.
TRANSPORT WINDS.....EAST 4 TO 8 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS.
TEMPERATURE.........MAX 52.
RH..................MIN 50 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE MORNING...
                    BECOMING NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
CWR.................50 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL IN THE MORNING...INCREASING TO 2500
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND TO 10 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...DV
REQUESTED BY...IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20101022.SUNDA.03/UNR