Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 211340
FWSUNR

SPOT FORECAST FOR COLD BROOK...NPS
NATIONAL WEATHER SERVICE RAPID CITY SD
740 AM MDT TUE APR 21 2015

FORECAST IS BASED ON REQUEST TIME OF 0652 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...A BACK DOOR COLD FRONT WILL SLIDE SOUTHWEST TODAY
INTO THE FIRE AREA AND THEN PUSH BACK NORTHEAST WEDNESDAY. THE
RESULT WILL BE MULTIPLE WIND SHIFTS. LITTLE WEATHER WILL OCCUR
WITH THE FRONTAL MOVEMENT...HOWEVER.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 15 MPH WITH GUSTS TO 20 MPH
                    SHIFTING TO THE NORTH 10 TO 16 MPH WITH GUSTS
                    TO 24 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7000 TO 7500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.
SMOKE DISPERSAL.....EXCELLENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 11 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........VARIABLE WINDS 5 TO 10 MPH BECOMING SOUTHEAST
                    10 TO 15 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6000 TO 6500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...EH
REQUESTED BY...KENN PERREAULT
TYPE OF REQUEST...WILDFIRE
.TAG 20150421.COLDB.01/UNR



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