FNUS73 KUNR 152251
FWSUNR

SPOT FORECAST FOR SUNDANCE RX UNIT 18...SD-BKF BEARLODGE
NATIONAL WEATHER SERVICE RAPID CITY SD
451 PM MDT THU APR 15 2010

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

.DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BUILD
INTO THE REGION THROUGH FRIDAY...BRINGING PLENTY OF SUNSHINE. A
SURFACE HIGH WILL SHIFT EAST OF THE AREA FRIDAY...ALLOWING
SOUTHERLY WINDS TO PICK UP...ESPECIALLY IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....27.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTHWEST LESS THAN 10 MPH BECOMING TERRAIN DOMINATED
                    LESS THAN 6 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 18 TO 24 MPH BECOMING SOUTHEAST 8 TO 14
                    OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
                    TEMPERATURE.........41 AT IGNITION...MAX 54.
                    MIN HUMIDITY........60 PERCENT AT IGNITION...MIN 36 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 5 TO 10 MPH AT
                    IGNITION...INCREASING TO SOUTHEAST 12 TO 18 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.

$$
FORECASTER...EH
REQUESTED BY...PAPENFUSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100416.SUNDA.01/UNR