FNUS73 KUNR 261439
FWSUNR

SPOT FORECAST FOR OLD GROWTH PILE BURN
NATIONAL WEATHER SERVICE RAPID CITY SD
739 AM MST TUE JAN 26 2010

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

DISCUSSION...QUIET WEATHER IS EXPECTED OVER THE AREA TODAY BEFORE A
WEAK DISTURBANCE PUSHES INTO THE AREA TONIGHT INTO
WEDNESDAY...BRINGING A SLIGHT CHANCE OF LIGHT SNOW TO THE BURN SITE.
MIXING HIGHTS WILL BE LOW...WHICH COMBINED WITH THE LIGHT MIXING
WINDS WILL BRING POOR SMOKE DISPERSAL.

FOR PLANNED IGNITION TIME OF 800 MST 1/26/10
   SKY / WEATHER.......PARTLY SUNNY
                                                      TEMPERATURE..................31
   RH..................35%
WIND (20 FT).........WEST 5 TO 8 MPH
CWR....................0%
   HAINES INDEX........2
MIXING HEIGHT....... .800 FT AGL
MIXING WINDS.........WEST AT 10 MPH BECOMING VARIABLE
   CLEARING INDEX......POOR

FOR TONIGHT
   SKY / WEATHER.......MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW
                                                      TEMPERATURE..................10
   RH..................MAX 92%
WIND (20 FT).........LIGHT AND VARIABLE AROUND 5 MPH
CWR....................10%
   HAINES INDEX........2
MIXING HEIGHT....... .LESS THAN 500 FT AGL
MIXING WINDS.........LIGHT AND VARIABLE AROUND 5 MPH
   CLEARING INDEX......POOR

OUTLOOK FOR TOMORROW
   SKY / WEATHER.......MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW
                                                      TEMPERATURE..................26
   RH..................MIN 48%
WIND (20 FT).........WEST 5 TO 9 MPH
CWR....................10%
   HAINES INDEX........2
MIXING HEIGHT....... .1000 FT AGL
MIXING WINDS.........WEST AT 7 TO 11 MPH
   CLEARING INDEX......POOR

FORECASTER...JS

$$

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