FNUS73 KUNR 251642
FWSUNR

SPOT FORECAST FOR RANGE RX...PINE RIDGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1042 AM MDT SAT SEP 25 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON SEPTEMBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING SUNNY SKIES TO THE SITE
TODAY AND TOMORROW. NORTH TO NORTHWEST WINDS WILL SHIFT TO THE
NORTHEAST BY LATE THIS AFTERNOON. GOOD SMOKE DISPERSAL IS ALSO
EXPECTED TODAY. WARMER TEMPERATURES WILL ARRIVE SUNDAY WITH HIGHS
IN THE UPPER 80S. THIS WILL DROP RELATIVE HUMIDITIES DOWN TO 20 TO
25 PERCENT. WITH MIXING HEIGHTS SOMEWHERE NEAR 4000 FEET...SMOKE
DISPERSAL WILL BE LIMITED TO FAIR.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........68 AT IGNITION...MAX 72.
RH..................38 PERCENT AT IGNITION...MIN 33 PERCENT.
WIND (20 FT)........WINDS NORTH TO NORTHWEST AT 8 TO 12 MPH AT
                    IGNITION...GRADUALLY TURNING TO THE NORTHEAST
                    7 TO 10 MPH BY LATE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100 TO 5100 FT AGL.
TRANSPORT WINDS.....NORTH 13 TO 20 MPH DECREASING TO AROUND 10 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 45.
RH..................MAX 79 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 12 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 2 TO 9 MPH INCREASING TO SOUTH 12 TO
                    20 MPH IN THE LATE EVENING AND EARLY
                    MORNING...THEN SHIFTING TO THE SOUTHWEST 22 TO
                    24 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 89.
RH..................MIN 22 PERCENT.
WIND (20 FT)........SOUTH WINDS 12 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700 TO 4700 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 24 MPH DECREASING TO 12 TO 16 MPH
                    LATE IN THE MORNING.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...CALDERON
REQUESTED BY...DOUVILLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100925.RANGE.02/UNR