FNUS73 KUNR 111456
FWSUNR

SPOT FORECAST FOR OLD GROWTH PILES...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
756 AM MST FRI DEC 11 2009

FORECAST IS BASED ON IGNITION TIME OF 0740 MST ON DECEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
WARMER AIR WILL CONTINUE TO PUSH INTO THE REGION FROM THE
WEST...WITH MIXING HEIGHTS REMAINING QUITE LOW. ANOTHER ARCTIC
COLD FRONT WILL MOVE THROUGH THE AREA LATE SUNDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 28.
RH..................30 PERCENT.
WIND (20 FT)........WEST 12 TO 16 MPH. GUSTS TO 25 MPH AT RIDGETOP.
CWR.................0.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 14.
RH..................MAX 70 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 12 MPH.
CWR.................0.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MAX 36.
RH..................MIN 35 PERCENT.
WIND (20 FT)........WEST WINDS 12 TO 16 MPH. GUSTS TO 25 MPH AT RIDGETOP.
CWR.................0.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....WEST 18 T0 30 MPH.

$$
FORECASTER...JJ
REQUESTED BY...ANDY THORSTENSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20091211.OLDGR.01/UNR