FNUS73 KUNR 031513
FWSUNR

SPOT FORECAST FOR PINE RIDGE WEST...BIA
NATIONAL WEATHER SERVICE RAPID CITY SD
913 AM MDT SUN MAY 3 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRING
DRY CONDITIONS TO THE BURN SITE THIS AFTERNOON. AN APPROACHING
TROUGH WILL BRING A CHANCE FOR SHOWERS OR THUNDERSTORMS LATE
TONIGHT INTO MONDAY. ON MONDAY...SOUTHWESTERLY WINDS WILL BE BREEZY
BEFORE TAPERING OFF AND SHIFTING TO THE NORTHWEST LATE IN THE
AFTERNOON/EARLY IN THE EVENING AS A WEAK FRONTAL BOUNDARY SLIDES
THROUGH.

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........52 AT IGNITION...MAX 63.
RH..................50 PERCENT AT IGNITION...MIN 34 PERCENT.
WIND (20 FT)........SOUTH AT 5 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 TO 6000 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 16 MPH INCREASING TO 18 TO 25 MPH
                    IN THE AFTERNOON.
CLEARING INDEX......BECOMING VERY GOOD IN THE EARLY AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS
                    AFTER MIDNIGHT.
TEMPERATURE.........MIN 44.
RH..................MAX 82 PERCENT.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....SOUTH 21 TO 29 MPH.
CLEARING INDEX......POOR

.MONDAY...
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
TEMPERATURE.........MAX 68.
RH..................MIN 35 PERCENT.
MIXING HEIGHT.......7000 TO 8000 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 30 MPH.
CLEARING INDEX......EXCELLENT.

$$
FORECASTER...JS
REQUESTED BY...PINE RIDGE AGENCY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090503.PINER.01/UNR