FNUS73 KUNR 151855
FWSUNR

SPOT FORECAST FOR RED BEDS RX...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
1255 PM MDT WED SEP 15 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON SEPTEMBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...QUIET WEATHER IS EXPECTED AT THE BURN SITE TONIGHT
AND THURSDAY. WINDS WILL WEAKEN THIS EVENING AND GRADUALLY TURN TO
THE NORTHEAST. LATE THIS EVENING WINDS WILL SWITCH TO THE SOUTH
AND INCREASE THROUGH THE NIGHT. TEMPERATURES THURSDAY WILL REACH
NEAR 80 DEGREES. MIXING HEIGHTS ABOVE TEN THOUSAND FEET AND STRONG
TRANSPORT WINDS WILL RESULT IN EXCELLENT SMOKE DISPERSAL.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 41.
RH..................MAX 100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 10 MPH EARLY IN THE
                    EVENING BECOMING LIGHT...THEN BECOMING SOUTH 5
                    TO 12 MPH LATE IN THE EVENING INCREASING TO
                    AROUND 17 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 15 MPH INCREASING TO 18 TO 21 MPH
                    LATE IN THE NIGHT.
SMOKE DISPERSAL.....POOR.

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........55 AT IGNITION...MAX 79.
RH..................64 PERCENT AT IGNITION...MIN 25 PERCENT.
WIND (20 FT)........WINDS SOUTH TO SOUTHWEST AT 15 MPH AT
                    IGNITION...OTHERWISE
                    NORTHWEST WINDS 15 TO 20 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......10000 TO 11000 FT AGL.
TRANSPORT WINDS.....WEST 25 TO 35 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO EXCELLENT.

$$
FORECASTER...CALDERON
REQUESTED BY...AL STOVER
TYPE OF REQUEST...PRESCRIBED
.TAG 20100916.REDBE.01/UNR