FNUS73 KUNR 291435
FWSUNR

SPOT FORECAST FOR OLD GROWTH PILES...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
835 AM MDT THU OCT 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 MDT ON OCTOBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...WE HAVE RECEIVED A PUBLIC REPORT OF 4 INCHES OF SNOW IN
KEYSTONE LAST NIGHT. LIGHT SNOW IS EXPECTED TO CONTINUE THROUGH MUCH OF THE
DAY TODAY AND SKIES WILL REMAIN CLOUDY. SKIES WILL REMAIN CLOUDY OVERNIGHT
WITH THE BEST CHANCE OF ACCUMULATING SNOW BEFORE MIDNIGHT.

.REST OF TODAY...

SKY/WEATHER.........CLOUDY. SNOW.
TEMPERATURE.........MAX 28.
RH..................MIN 78 PERCENT.
WIND (20 FT)........WINDS NORTHWEST 5 TO 11 MPH INCREASING
                    TO 11 TO 16 MPH IN THE LATE MORNING AND AFTERNOON.
CWR.................95 PERCENT.
MIXING HEIGHT.......500 TO 1500 FT AGL.
TRANSPORT WINDS.....NORTH 18 TO 26 MPH.
SMOKE DISPERSAL.....FAIR.
ADDITIONAL SNOW.....2 TO 3 INCHES.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SNOW IN THE EVENING...THEN CHANCE OF SNOW AFTER
                    MIDNIGHT.
TEMPERATURE.........MIN 24.
RH..................MAX 88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 11 TO 16 MPH.
CWR.................65 PERCENT.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 22 MPH.
SMOKE DISPERSAL.....POOR.
ADDITIONAL SNOW.....UP TO 1 INCH.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MAX 42.
RH..................MIN 59 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 11 TO 16 MPH.
CWR.................9 PERCENT.
MIXING HEIGHT.......2400 TO 3400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 16 TO 22 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD LATE IN THE MORNING.
ADDITIONAL SNOW.....TRACE.

$$
FORECASTER...GR
REQUESTED BY...ERIC ALLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20091029.OLDGR.01/UNR