FNUS73 KUNR 191810
FWSUNR

SPOT FORECAST FOR FOSSIL RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1210 PM MDT TUE OCT 19 2010

FORECAST IS BASED ON IGNITION TIME OF 1220 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
THIS AFTERNOON WILL BE IN THE LOWER 60S WITH MINIMUM RELATIVE
HUMIDITIES NEAR 25 PERCENT. NORTHWEST WINDS OF 5 TO 10 MPH
SHOULD CONTINUE THROUGH THE AFTERNOON WITH GOOD SMOKE DISPERAL
EXPECTED. TONIGHT WILL BE CLEAR AND COOL WITH GOOD RELATIVE
HUMIDITY RECOVERY. LIGHT WINDS CAN BE EXPECTED EARLY...BECOMING
LIGHT WESTERLY LATE.

WEDNESDAY WILL SEE SLIGHTLY WARMER TEMPERATURES. WINDS WILL
BECOME NORTH TO NORTHEAST AT 6 TO 10 MPH. MINIMUM RELATIVE
HUMIDITIES WILL BE AROUND 20 PERCENT. MIXING HEIGHTS WILL BE
AROUND 4600 FT AGL WITH GOOD SMOKE DISPERSAL EXPECTED IN THE
AFTERNOON.


.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 32.
RH..................MAX 69 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING WEST 5 TO 7 MPH
                    AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 13 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 68.
RH..................MIN 22 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 7 TO 9 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.....NORTH 9 TO 16 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD EARLY IN THE
                    AFTERNOON...THEN DECREASING TO POOR LATE IN THE
                    AFTERNOON.

$$
FORECASTER...LC
REQUESTED BY...FOSSIL RX
TYPE OF REQUEST...PRESCRIBED
.TAG 20101019.FOSSI.02/UNR