FNUS73 KUNR 251605
FWSUNR

SPOT FORECAST FOR SLASH PILES...BUREAU OF INDIAN AFFAIRS
NATIONAL WEATHER SERVICE RAPID CITY SD
905 AM MST WED JAN 25 2012

FORECAST IS BASED ON IGNITION TIME OF 1030 CST ON JANUARY 25.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A WEAK TROUGH WILL MOVE THROUGH THE AREA
TODAY...BRINGING BREEZY WESTERLY WINDS TO SOUTH CENTRAL SOUTH
DAKOTA THIS EVENING INTO THURSDAY MORNING. THESE WESTERLY WINDS
WILL USHER IN WARMER AIR...ALLOWING TEMPERATURES TO CLIMB INTO THE
MID-40S TODAY AND TOMORROW IN SOUTH CENTRAL SOUTH DAKOTA. SKIES
WILL BE PARTLY CLOUDY.


.TODAY...
SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........32 AT IGNITION...MAX 43.
RH..................74 PERCENT AT IGNITION...MIN 50 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 16 MPH AT IGNITION...OTHERWISE
WEST WINDS 9 TO 17 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 15 MPH INCREASING TO
NORTHWEST 18 TO 26 MPH IN THE LATE MORNING AND AFTERNOON...THEN
DECREASING TO AROUND 16 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 41.
RH..................MIN 50 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 12 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 TO 4500 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 17 MPH INCREASING TO NORTHWEST 24
TO 30 MPH LATE IN THE MORNING...THEN SHIFTING TO THE WEST 15 TO 20
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD LATE IN THE
MORNING...THEN INCREASING TO VERY GOOD EARLY IN THE AFTERNOON
DECREASING TO FAIR LATE IN THE AFTERNOON.

$$
FORECASTER...DC
REQUESTED BY...JOSHUA ANTMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120125.SLASH.01/UNR