FNUS73 KUNR 261455
FWSUNR

SPOT FORECAST FOR SLASH PILES...BUREAU OF INDIAN AFFAIRS
NATIONAL WEATHER SERVICE RAPID CITY SD
755 AM MST THU JAN 26 2012

FORECAST IS BASED ON IGNITION TIME OF 0930 CST ON JANUARY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
RIDGING WILL KEEP SOUTHWESTERLY WINDS LIGHT TODAY...WITH MOSTLY
SUNNY SKIES IN THE MORNING ACROSS SOUTH CENTRAL SOUTH DAKOTA.
TEMPERATURES WILL CLIMB INTO THE MID-40S BY THIS AFTERNOON. CLOUDS
WILL INCREASE TODAY AHEAD OF THE NEXT SYSTEM. LIGHT SNOW IS
EXPECTED TO MOVE INTO SOUTH DAKOTA TONIGHT AND LINGER INTO FRIDAY
MORNING...AND WINDS WILL BECOME GUSTY FROM THE NORTHWEST.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........34 AT IGNITION...MAX 42.
RH..................63 PERCENT AT IGNITION...MIN 46 PERCENT.
WIND (20 FT)........WINDS WEST AT 13 MPH AT IGNITION...OTHERWISE
                    SOUTHWEST WINDS 9 TO 14 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2600 TO 3600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 24 TO 31 MPH BECOMING WEST 13 TO 20
                    MPH EARLY IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD LATE IN THE MORNING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
                    EVENING...THEN CHANCE OF SNOW AFTER MIDNIGHT.
TEMPERATURE.........MIN 30.
RH..................MAX 72 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 18 MPH.
CWR.................12 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 20 MPH INCREASING TO NORTHWEST
                    AROUND 35 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 33.
RH..................MIN 46 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS 21 TO 29 MPH. GUSTS UP
                    TO 40 MPH IN THE LATE MORNING AND AFTERNOON.
CWR.................6 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6800 TO 7800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 40 TO 48 MPH.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT.

$$
FORECASTER...KE
REQUESTED BY...JOSHUA ANTMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120126.SLASH.01/UNR