FNUS73 KUNR 231455
FWSUNR

SPOT FORECAST FOR OLD GROWTH PILE BURN...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
755 AM MST SAT JAN 23 2010

FORECAST IS BASED ON IGNITION TIME OF 0930 MST ON JANUARY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A LARGE STORM SYSTEM WILL AFFECT THE AREA THROUGH
SUNDAY. TODAY WILL BECOME CLOUDY. CHANCES FOR SNOW WILL INCREASE
TONIGHT...WITH SNOW LIKELY BY SUNDAY. WINDS WILL BE ON THE
INCREASE TONIGHT AND SUNDAY. 1 TO 2 TWO INCHES OF NEW SNOW WILL
FALL BY MONDAY MORNING.

.TODAY...

SKY/WEATHER.........BECOMING CLOUDY THIS MORNING.
                    TEMPERATURE.........28 AT IGNITION...MAX 33.
                    MIN HUMIDITY........66 PERCENT AT IGNITION...MIN 55 PERCENT.
WIND (20 FT)........WINDS WEST AT 7 MPH AT
                    IGNITION...THEN WINDS BECOMING NORTHWEST 10 TO 15
                    MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........CLOUDY WITH A CHANCE OF SNOW.
MIN TEMPERATURE.....21.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 18 MPH.
CWR.................20 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 25 TO 35 MPH.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........CLOUDY. AREAS OF BLOWING SNOW. SNOW LIKELY.
MAX TEMPERATURE.....25.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 25 MPH.
CWR.................30 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 40 TO 50 MPH.
SMOKE DISPERSAL.....BECOMING EXCELLENT BY AFTERNOON.

$$
FORECASTER...EH
REQUESTED BY...AAREN NELLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100123.OLDGR.02/UNR