Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 242112
FWSUNR

SPOT FORECAST FOR SOUTH FORK RX...SD  WILDLAND FIRE/CSP
NATIONAL WEATHER SERVICE RAPID CITY SD
312 PM MDT THU APR 24 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 25.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...DRY AND MOSTLY SUNNY CONDITIONS ARE EXPECTED ON
FRIDAY...WITH INCREASING CLOUDS THROUGHOUT THE DAY. LIGHT AND
VARIABLE WINDS IN THE MORNING WILL SHIFT TO THE SOUTHEAST IN THE
AFTERNOON. TRANSPORT WINDS WILL ALSO BE LIGHT IN THE MORNING
THROUGH THE EARLY AFTERNOON...THEN INCREASE IN THE MID AFTERNOON
AS SURFACE WINDS PICK UP. THE RESULT WILL BE POOR TO FAIR SMOKE
DISPERSAL IN THE MORNING...THEN BECOMING VERY GOOD TOWARD MID
AFTERNOON. ON FRIDAY EVENING...SURFACE WINDS WILL INCREASE TO
10-20 MPH OUT OF THE SOUTHEAST WITH GUSTS TO 30 MPH...AND A
SLIGHT CHANCE OF RAIN SHOWERS.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY WITH INCREASING CLOUDS.
TEMPERATURE.........64 AT IGNITION...MAX 72.
RH..................28 PERCENT AT IGNITION...MIN 21 PERCENT.
WIND (20 FT)........WINDS VARIABLE AND TERRAIN INFLUENCED AT
                    IGNITION...VARIABLE WINDS CONTINUING THROUGH
                    EARLY AFTERNOON...THEN BECOMING SOUTHEAST 8
                    TO 12 MPH IN THE MID TO LATE 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.....SOUTHWEST 9 TO 17 MPH SHIFTING TO THE SOUTH 20
                    TO 23 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD.

$$
FORECASTER...KP/CALDERON
REQUESTED BY...BRANDI PETERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20140425.SOUTH.01/UNR






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