FNUS73 KUNR 281343
FWSUNR

SPOT FORECAST FOR OLD GROWTH PILES...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
743 AM MDT WED OCT 28 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 MDT ON OCTOBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

...WINTER STORM WARNING THIS AFTERNOON THROUGH THURSDAY EVENING...

.DISCUSSION...AN APPROACHING STORM SYSTEM WILL BRING SNOW TO
THE BURN SITE TODAY. THE SNOW WILL BE HEAVY AT TIMES TODAY...AND
CONTINUE THROUGH TONIGHT INTO THURSDAY. ONE TO THREE INCHES OF
SNOW ARE EXPECTED TODAY...3 TO 6 INCHES EXPECTED TONIGHT...AND
ANOTHER 3 TO 5 INCHES EXPECTED THURSDAY. BY THE TIME THE STORM
ENDS...A TOTAL OF 7 TO 14 INCHES OF SNOW ARE EXPECTED. GUSTY NORTH
WINDS WILL PRODUCE BLOWING SNOW. THE STORM WILL EXIT EARLY
FRIDAY...WITH ONLY A FEW RAIN AND SNOW SHOWERS REMAINING. WARMER
TEMPERATURES WILL RETURN FOR THE BEGINNING OF NEXT WEEK...ALONG
WITH DRY CONDITIONS.

.TODAY...

SKY/WEATHER.........CLOUDY. SNOW.
TEMPERATURE.........31 AT IGNITION...MAX 32.
RH..................78 PERCENT AT IGNITION...MIN 78 PERCENT.
WIND (20 FT)........WINDS NORTH AT 10 TO 15 MPH AT
                    IGNITION...OTHERWISE NORTH WINDS 16 TO 21 MPH.
CWR.................100 PERCENT.
MIXING HEIGHT.......2000 TO 3000 FT AGL.
TRANSPORT WINDS.....NORTH 25 TO 31 MPH.
SMOKE DISPERSAL.....GOOD.

.TONIGHT...

SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW.
TEMPERATURE.........MIN 23.
RH..................MAX 100 PERCENT.
WIND (20 FT)........NORTH WINDS 20 TO 23 MPH.
CWR.................100 PERCENT.
MIXING HEIGHT.......1100 TO 1600 FT AGL.
TRANSPORT WINDS.....NORTH 31 TO 38 MPH.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW.
TEMPERATURE.........MAX 27.
RH..................MIN 74 PERCENT.
WIND (20 FT)........NORTH WINDS 20 TO 24 MPH.
CWR.................100 PERCENT.
MIXING HEIGHT.......1900 TO 2900 FT AGL.
TRANSPORT WINDS.....NORTH 39 TO 46 MPH.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD EARLY IN THE
                    AFTERNOON.

$$
FORECASTER...CALDERON
REQUESTED BY...ERIC ALLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20091028.OLDGR.01/UNR