Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 261353
FWSUNR

SPOT FORECAST FOR SLASH PILES...SD-RBA
NATIONAL WEATHER SERVICE RAPID CITY SD
753 AM MDT THU MAR 26 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 26.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
A COUPLE OF DISTURBANCES WILL MOVE THROUGH THE AREA TODAY THROUGH
FRIDAY MORNING RESULTING IN SOME RAIN OR SNOW SHOWERS AT TIMES.
LOW PRESSURE WILL SLIDE SOUTHEAST THROUGH THE AREA TODAY WITH
GUSTY NORTHERLY WINDS DEVELOPING BEHIND IT THIS AFTERNOON. A FEW
LEFTOVER RAIN OR SNOW SHOWERS ARE POSSIBLE FRIDAY MORNING. GUSTY
NORTHWEST WINDS ARE EXPECTED AGAIN FRIDAY. A SHARP WARM-UP AND
DRYING TREND IS THEN EXPECTED...ESPECIALLY SATURDAY WHEN GUSTY
WESTERLY WINDS AND VERY LOW RELATIVE HUMIDITIES MAY DEVELOP.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE
                    MORNING...THEN SCATTERED RAIN SHOWERS IN THE
                    AFTERNOON.
TEMPERATURE.........31 AT IGNITION...MAX 50.
RH..................66 PERCENT AT IGNITION...MIN 38 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH BECOMING NORTH
                    13 TO 22 MPH IN THE AFTERNOON...GUSTING TO 32 MPH
                    AT TIMES.
CWR.................20 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 TO 4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE
                    NORTHWEST 10 TO 20 MPH EARLY IN THE
                    MORNING...THEN SHIFTING TO THE NORTH 15 TO 25
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE
                    EVENING...THEN SCATTERED RAIN OR SNOW SHOWERS
                    OVERNIGHT.
TEMPERATURE.........MIN 30.
RH..................MAX 96 PERCENT.
WIND (20 FT)........NORTH 10 TO 15 MPH BECOMING SOUTH 6 TO 12 MPH.
CWR.................15 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH SHIFTING TO THE SOUTH 5
                    TO 15 MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND SNOW SHOWERS IN THE MORNING.
TEMPERATURE.........MAX 64.
RH..................MIN 36 PERCENT.
WIND (20 FT)........BREEZY. SOUTHWEST WINDS 10 TO 20 MPH SHIFTING TO THE
                    NORTHWEST 18 TO 26 MPH WITH GUSTS TO AROUND 40
                    MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1.
MIXING HEIGHT.......6000 TO 6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH BECOMING NORTHWEST
                    30 TO 40 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR...THEN INCREASING TO EXCELLENT IN THE
                    AFTERNOON.

$$
FORECASTER...EH
REQUESTED BY...RAY HART
TYPE OF REQUEST...PRESCRIBED
.TAG 20150326.SLASH.01/UNR





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