FNUS73 KUNR 031438
FWSUNR

SPOT FORECAST FOR SUNDANCE RX UNIT 34...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
838 AM MDT THU SEP 3 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SUNNY SKIES EXPECTED TODAY WITH HIGH TEMPERATURES
CLIMBING INTO THE UPPER 70S. THE AFTERNOON MINIMUM RELATIVE
HUMIDITY SHOULD FALL TO AROUND 30 PERCENT. WINDS WILL BE LIGHT OUT
OF THE WEST THIS MORNING...THEN BECOME LIGHT EAST OR UPSLOPE BY
EARLY AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........WEST WINDS 3 TO 5 MPH SHIFTING TO THE EAST
                    OR UPSLOPE 4 TO 6 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5300 TO 6300 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH.
SMOKE DISPERSAL.....FAIR...BECOMING GOOD THIS AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........65 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7200 TO 8200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 12 MPH.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...SR
REQUESTED BY...MELODY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090903.SUNDA.02/UNR