FNUS73 KUNR 181640
FWSUNR

SPOT FORECAST FOR MORU PILE BURNING
NATIONAL WEATHER SERVICE RAPID CITY SD
940 AM MST FRI JAN 18 2013

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

...MILD WITH LOW HUMIDITIES TODAY...

DISCUSSION...SKIES WILL BE MOSTLY SUNNY TODAY. HUMIDITIES WILL DROP
TO NEAR 15 PERCENT THIS AFTERNOON AS DRY WESTERLY WINDS DEVELOP.
MIXING HEIGHTS WILL BE LOW AND RESULT IN POOR SMOKE DISPERSAL. A COLD
FRONT WILL MOVE THROUGH DURING THE LATE MORNING HOURS
SATURDAY...BRINGING MUCH COLDER AIR FOR THE REST OF THE WEEKEND.

FOR PLANNED IGNITION TIME OF 830 MST 1/18/13
   SKY / WEATHER.......MOSTLY SUNNY.
   TEMPERATURE.........MAX AROUND 55.
   RH..................MIN 15-18%
   20 FOOT WIND........VARIABLE 5 TO 10 MPH...BECOMING WEST-
                       NORTHWEST 8 TO 15 MPH AROUND NOON. GUSTS TO
                       25 MPH POSSIBLE IN THE AFTERNOON.
   CWR.................0%
   LAL.................1
   HAINES INDEX........3
   MIXING HEIGHT.......INCREASING TO 500 TO 1000 FT BY NOON.
   MIXING WINDS........WEST-NORTHWEST INCREASING TO 25 TO 35 MPH BY
                       EARLY AFTERNOON.
   SMOKE DISPERSAL.....POOR.

FOR TONIGHT
   SKY / WEATHER.......MOSTLY CLEAR.
   TEMPERATURE.........MIN AROUND 30.
   RH..................MAX AROUND 50%
   20 FOOT WIND........WEST-NORTHWEST 6 TO 12 MPH. SOME GUSTS TO 20
                       MPH POSSIBLE.
   CWR.................0%
   LAL.................1
   HAINES INDEX........4
   MIXING HEIGHT.......LESS THAN 500 FT
   MIXING WINDS........WEST-NORTHWEST 10 TO 20 MPH.
   SMOKE DISPERSAL.....POOR

OUTLOOK FOR TOMORROW
   SKY / WEATHER.......MOSTLY SUNNY IN THE MORNING...INCREASING
                       CLOUDS IN THE AFTERNOON.
   TEMPERATURE.........MAX 35-38.
   RH..................MIN 35-40%
   20 FOOT WIND........NORTHWEST 8 TO 15 MPH.
   CWR.................0%
   LAL.................1
   HAINES INDEX........4
   MIXING HEIGHT.......LESS THAN 500 FT EARLY...INCREASING TO AROUND
                       1500 FT BY NOON.
   MIXING WINDS........NORTHWEST INCREASING TO 15 TO 25 MPH
   SMOKE DISPERSAL.....POOR.

FORECASTER...ST

$$

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