FNUS73 KUNR 182044
FWSUNR

SPOT FORECAST FOR SUNDANCE RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
244 PM MDT MON OCT 18 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. TONIGHT
WILL BE CLEAR AND COOL WITH EXCELLENT RELATIVE HUMIDITY RECOVERY.
LOW TEMPERATURES WILL BE IN THE UPPER 20S WITH LIGHT WINDS
BECOMING WEST LATE.

TUESDAY WILL SEE HIGHS AROUND 55 WITH WEST WINDS BECOMING NORTHWEST
AND INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. MINIMUM RELATIVE
HUMIDITIES WILL AROUND 30 PERCENT WITH MIXING HEIGHTS INCREASING
TO AROUND 4800 FT AGL. SMOKE DISPERSAL WILL BE GOOD BY TUESDAY
AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 29.
RH..................MAX 100 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 9 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 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.TUESDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........43 AT IGNITION...MAX 58.
RH..................57 PERCENT AT IGNITION...MIN 29 PERCENT.
WIND (20 FT)........WINDS WEST AT 12 MPH AT IGNITION...OTHERWISE
                    NORTHWEST WINDS 6 TO 14 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4300 TO 5300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 15 MPH INCREASING TO 17 TO 21
                    MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD LATE IN THE
                    MORNING...THEN DECREASING TO POOR LATE IN THE
                    AFTERNOON.

$$
FORECASTER...LC
REQUESTED BY...USFS
TYPE OF REQUEST...PRESCRIBED
.TAG 20101019.SUNDA.01/UNR