FNUS73 KUNR 251353
FWSUNR

SPOT FORECAST FOR MT. RUSHMORE PILES RX
NATIONAL WEATHER SERVICE RAPID CITY SD
653 AM MST FRI FEB 25 2011

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

...CONITNUED COLD TODAY...

DISCUSSION...SKIES WILL BE CLOUDY WITH A CHANCE OF LIGHT
SNOW...ESPECIALLY IN THE AFTERNOON. HUMIDITIES WILL REMAIN HIGH
THROUGH THE DAY. WINDS WILL BE LIGHT WITH POOR SMOKE DISPERSAL.
ANOTHER UPPER LEVEL DISTURBANCE WILL CROSS THE AREA TONIGHT...
BRINGING SNOW. 2 TO 3 INCHES OF ACCUMULATION IS EXPECTED. THIS SYSTEM
WILL EXIT THE AREA SATURDAY MORNING. A WARMING TREND WILL BEGIN ON
SATURDAY.

FOR PLANNED IGNITION TIME OF 655 MST 2/25/11
   SKY / WEATHER.......CLOUDY WITH A CHANCE OF SNOW.
   TEMPERATURE.........-6 TO -8...MAX 6 TO 8
   RH..................75 TO 80%...MIN 55 TO 60%
   20 FOOT WIND........VARIABLE 2 TO 5 MPH
   CWR.................0%
   HAINES INDEX........2
   MIXING HEIGHT.......LESS THAN 500 FT EARLY...INCREASING TO AROUND
                       1000 FT EARLY IN THE AFTERNOON.
   MIXING WINDS........SOUTH-SOUTHEAST AROUND 5 MPH
   SMOKE DISPERSAL.....POOR

FOR TONIGHT
   SKY / WEATHER.......CLOUDY WITH SNOW.
   TEMPERATURE.........MIN -4 TO -6
   RH..................MAX 95 TO 100%
   20 FOOT WIND........VARIABLE 2 TO 4 MPH
   CWR.................30%
   HAINES INDEX........2
   MIXING HEIGHT.......LESS THAN 500 FT
   MIXING WINDS........VARIABLE AROUND 5 MPH
   SMOKE DISPERSAL.....POOR

OUTLOOK FOR TOMORROW
   SKY / WEATHER.......MOSTLY CLOUDY WITH A CHANCE OF SNOW...MAINLY
                       IN THE MORNING.
   TEMPERATURE.........MAX 18 TO 21
   RH..................MIN 55 TO 60%
   20 FOOT WIND........VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST 4 TO
                       8 MPH IN THE AFTERNOON.
   CWR.................0%
   HAINES INDEX........2
   MIXING HEIGHT.......LESS THAN 500 FT EARLY...INCREASING TO AROUND
                       1000 FT EARLY IN THE AFTERNOON.
   MIXING WINDS........WEST-SOUTHWEST AROUND 10 MPH.
   CLEARING INDEX......POOR

FORECASTER...ST

$$

REQUESTED BY...AAREN NELLEN
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U