Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 291637
FWSUNR

SPOT FORECAST FOR PIONEER RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1037 AM MDT SUN MAR 29 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MARCH 30.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
COOLER BUT STILL ABOVE AVERAGE TEMPERATURES ARE EXPECTED TODAY...WITH HIGHS
IN THE LOWER 60S AND MINIMUM RELATIVE HUMIDITY NEAR 20 PERCENT. NORTHWEST
WINDS WILL CONTINUE TO DECREASE TODAY...BECOMING LIGHT AND SOUTHWESTERLY
OVERNIGHT. MONDAY WILL BE MILD AND DRY WITH MOSTLY SUNNY SKIES. HIGHS WILL
BE IN THE MID 70S WITH MIN RH NEAR 15 PERCENT. WINDS WILL BECOME NORTHWEST
5 TO 15 MPH WITH GUSTS NEAR 20 MPH...AND SMOKE DISPERSAL WILL BE EXCELLENT
IN THE AFTERNOON. THE RANGELAND FIRE DANGER INDEX IS IN THE VERY HIGH
CATEGORY TODAY AND WILL BE IN THE EXTREME CATEGORY ON MONDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 63.
RH..................MIN 20 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35
                    MPH UNTIL LATE AFTERNOON...THEN WEST WINDS 10 TO
                    15 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 TO 7500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 25 TO 35 MPH DECREASING TO 15 TO 20
                    MPH.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD LATE IN THE
                    MORNING.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 35.
RH..................MAX 65 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH SHIFTING TO THE
                    SOUTHWEST 5 TO 10 MPH EARLY IN THE EVENING.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....WEST TO SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.

.MONDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........56 AT IGNITION...MAX 74.
RH..................35 PERCENT AT IGNITION...MIN 15 PERCENT.
WIND (20 FT)........WINDS WEST AT 10 MPH AT IGNITION...BECOMING
                    NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS NEAR
                    20 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......8700 TO 9200 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 20 MPH SHIFTING TO THE NORTHWEST 20
                    TO 30 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT.

$$
FORECASTER...KP
REQUESTED BY...AAREN NELLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150330.PIONE.01/UNR





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