FNUS73 KUNR 200021
FWSUNR

SPOT FORECAST FOR SAWMILL SPRING...GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
621 PM MDT TUE JUL 19 2011

FORECAST IS BASED ON IGNITION TIME OF 1353 MDT ON JULY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH
MIDNIGHT. WIND GUSTS UP TO 40 MPH CAN BE EXPECTED IN AND NEAR
ANY THUNDERSTORMS. A COLD FRONT WILL CROSS THE BURN AREA AROUND
600 AM MDT. WINDS WILL QUICKLY SWITCH TO THE NORTHWEST AND
INCREASE TO 15 TO 20 MPH WITH GUSTS TO 30 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MIN 67.
RH..................MAX 54 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH UNTIL EARLY MORNING
                    BECOMING LIGHT...THEN BECOMING WEST 5 TO 8 MPH
                    LATE IN THE NIGHT.
CWR.................13 PERCENT.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 20 MPH DECREASING TO 9 TO 10 MPH
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 80.
RH..................MIN 33 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 21 MPH DECREASING TO 10
                    TO 13 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4000 TO 5000 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 14 MPH INCREASING TO 20 TO 29 MPH
                    EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE LATE
                    MORNING AND AFTERNOON.

$$
FORECASTER...LC
REQUESTED BY...IC
TYPE OF REQUEST...PRESCRIBED
.TAG 20110719.SAWMI.01/UNR