FNUS73 KUNR 010043
FWSUNR

SPOT FORECAST FOR WHITE TAIL FIRE...CAMPBELL COUNTY FIRE
NATIONAL WEATHER SERVICE RAPID CITY SD
643 PM MDT SUN SEP 30 2012

FORECAST IS BASED ON REQUEST TIME OF 1812 MDT ON SEPTEMBER 30.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...THE WIND AND CLOUDS WILL DECREASE THIS EVENING AS HIGH PRESSURE
BUILDS INTO THE AREA FROM THE NORTHWEST. MONDAY WILL BE SUNNY WITH LIGHT
WIND AND A MINIMUM RELATIVE HUMIDITY AROUND 24 PERCENT.

ON TUESDAY...AN APPROACHING LOW PRESSURE SYSTEM WILL PRODUCE VERY WARM
AND DRY CONDITIONS WITH GUSTY WINDS. MAJOR CHANGES ARE IN STORE FOR THE
NORTHERN HIGH PLAINS FOLLOWING THE PASSAGE OF A COLD FRONT TUESDAY
NIGHT. COLDER UNSETTLE CONDITIONS WILL DOMINATE THROUGH THE END OF
THE COMING WEEK. WIDESPREAD PRECIPITATION IS EXPECTED WEDNESDAY
AND EARLY THURSDAY.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY EARLY IN THE EVENING...THEN BECOMING PARTLY
                    CLOUDY.
TEMPERATURE.........MIN 45.
RH..................MAX 75 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 20 MPH...DECREASING TO 10 TO 15 MPH
                    EARLY IN THE EVENING...THEN DECREASING TO AROUND 5 MPH
                    AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......FALLING DURING THE EARLY EVENING TO 200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 25 MPH...DECREASING TO 10 TO 15 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR EARLY IN THE EVENING.

.MONDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 70.
RH..................MIN 24 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH BECOMING VARIABLE AROUND 5
                    MPH BY LATE MORNING AND CONTINUING THROUGH THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5300 TO 6300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH BECOMING SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...GR
REQUESTED BY...RON SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 20120930.WHITE.01/UNR