FNUS73 KUNR 201526
FWSUNR

SPOT FORECAST FOR COTTONWOOD RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
926 AM MDT MON SEP 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A COLD FRONT CROSSING SOUTH DAKOTA TODAY WILL CLEAR OUT
REMAINING LOW CLOUDS AND FOG. NORTHWEST WINDS BEHIND THE FRONT WILL
DIMINISH BY TUESDAY MORNING...AND GRADUALLY SWITCH TO THE SOUTHEAST.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........67 AT IGNITION...MAX 75.
RH..................45 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS EAST AT 6 MPH AT IGNITION...BECOMING
                    SOUTHEAST 6 TO 10 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 TO 5500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHEAST 5
                    TO 14 MPH EARLY IN THE MORNING...THEN
                    INCREASING TO 14 TO 17 MPH EARLY IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON...THEN
                    DECREASING TO POOR LATE IN THE AFTERNOON.

$$
FORECASTER...SS
REQUESTED BY...CORY RICHARDSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100921.COTTO.01/UNR