FNUS73 KUNR 191449
FWSUNR

SPOT FORECAST FOR SUNDANCE RX 32...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
849 AM MDT TUE OCT 19 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING SUNNY SKIES AND MILD
TEMPERATURES TO THE REGION FOR THE NEXT SEVERAL DAYS. HIGHS
TODAY WILL BE IN THE UPPER 50S WITH MINIMUM RELATIVE HUMIDITIES
OF 25 TO 30 PERCENT. NORTHWEST WINDS WILL INCREASE TO AROUND 15
MPH. MIXING HEIGHTS WILL BE AROUND 4300 FT AGL THIS AFTERNOON WITH
GOOD SMOKE DISPERAL. TONIGHT WILL BE CLEAR AND COOL WITH EXCELLENT
RELATIVE HUMIDITY RECOVERY.

WEDNESDAY WILL SEE SLIGHTLY WARMER TEMPERATURES. WINDS WILL BE
NORTHERLY AT 6 TO 10 MPH. MINIMUM RELATIVE HUMIDITIES WILL BE 25
TO 30 PERCENT. MIXING HEIGHTS WILL INCREASE TO AROUND 4700 FT AGL
WITH GOOD SMOKE DISPERSAL IN THE AFTERNOON.


.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........43 AT IGNITION...MAX 58.
RH..................55 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS WEST AT 16 MPH AT IGNITION...OTHERWISE
                    NORTHWEST WINDS 12 TO 16 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900 TO 4900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 23 MPH INCREASING TO 16 TO 25
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON...THEN
                    DECREASING TO POOR LATE IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 31.
RH..................MAX 81 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 62.
RH..................MIN 28 PERCENT.
WIND (20 FT)........NORTH WINDS 7 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4200 TO 5200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD EARLY IN THE
                    AFTERNOON...THEN DECREASING TO POOR LATE IN THE
                    AFTERNOON.

$$
FORECASTER...LC
REQUESTED BY...USFS
TYPE OF REQUEST...PRESCRIBED
.TAG 20101019.SUNDA.02/UNR