FNUS73 KUNR 081621
FWSUNR

SPOT FORECAST FOR PINE RIDGE RX...PINE RIDGE AGENCY
NATIONAL WEATHER SERVICE RAPID CITY SD
1021 AM MDT THU APR 8 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING WARMER AND DRIER CONDITIONS
TO THE AREA TODAY ON SOUTHWESTERLY WINDS. HIGH TEMPERATURES WILL REACH THE
LOWER 60S WITH THE AFTERNOON MINIMUM RELATIVE HUMIDITY FALLING TO AROUND
26 PERCENT. A COLD FRONT WILL CROSS THE AREA AROUND 600 AM FRIDAY MORNING...
FOLLOWED BY BREEZY NORTHWEST WINDS. TEMPERATURES WILL BE COOLER ON FRIDAY
BEHIND THE FRONT WITH MID 50S EXPECTED FOR HIGHS. THE NEXT CHANCE FOR
PRECIPITATION WILL COME FRIDAY NIGHT INTO SATURDAY...AS A WEATHER SYSTEM
CROSSES THE AREA.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....62.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHWEST 10 TO 15 MPH.
CWR.................0 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5400 TO 6400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 16 TO 21 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....33.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........SOUTHWEST WIND 10 TO 15 MPH BECOMING WEST AROUND 300 AM
                    ...THEN NORTHWEST 15 TO 20 MPH AROUND 600 AM.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH BECOMING NORTHWEST 20 TO 25 MPH
                    AROUND 600 AM.

$$
FORECASTER...GR
REQUESTED BY...MICHAEL TWISS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100408.PINER.01/UNR