FNUS73 KUNR 110249
FWSUNR

SPOT FORECAST FOR BELLE FOURCHE...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
849 PM MDT FRI MAY 10 2013

FORECAST IS BASED ON REQUEST TIME OF 2031 MDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
A COLD FRONT HAS MOVED THROUGH THE AREA AND WILL BRING COOLER AIR
FOR THE REST OF TONIGHT AND INTO SATURDAY. NORTH WINDS OF 10 TO 20
MPH THIS EVENING WILL QUICKLY DIMINISH TO 5 TO 10 MPH BY MIDNIGHT
AND THEN BE LIGHT AND VARIABLE BY SATURDAY MORNING. AS HIGH
PRESSURE MOVES OVER THE EASTERN DAKOTAS ON SATURDAY THE SURFACE
WINDS WILL TURN BACK TO THE SOUTHEAST. HIGH PRESSURE ALOFT WILL
BUILD OVER THE AREA SATURDAY NIGHT AND SUNDAY...ALLOWING FOR WARM
AIR TO RETURN ONCE AGAIN. AN ISOLATED SHOWER OR THUNDERSTORM MAY
FORM IN THE AFTERNOON ON BOTH SATURDAY AND SUNDAY...BUT RAINFALL
CHANCES WILL BE RATHER SMALL.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 66.
RH..................MIN 26 PERCENT.
WIND (20 FT)........VARIABLE/UPSLOPE 3-6 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5300 TO 5800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 9 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 34.
RH..................MAX 96 PERCENT.
WIND (20 FT)........VARIABLE/DRAINAGE 3-6 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 7 MPH.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 81.
RH..................MIN 23 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 8 TO 12 MPH.
CWR.................0 PERCENT.
LAL.................1
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8500 TO 9000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5-10 MPH BECOMING NORTHWEST
                    10-15 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...MB
REQUESTED BY...AL STOVER
TYPE OF REQUEST...WILDFIRE
.TAG 20130510.BELLE.01/UNR