Suppression Forecast
Issued by NWS Rapid City, SD

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4
000
FNUS73 KUNR 202224
FWSUNR

SPOT FORECAST FOR PLEASANT VALLEY...SD ILDLAND FIRE
NATIONAL WEATHER SERVICE RAPID CITY SD
424 PM MDT SUN APR 20 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
PARTLY CLOUDY SKIES AND DRY WEATHER WILL BE FOUND ACROSS THE
AREA THROUGH MONDAY NIGHT. HIGH PRESSURE TONIGHT WILL RESULT IN
WINDS BECOMING LIGHT AND VARIABLE. THE HIGH WILL MOVE EAST
ON MONDAY WITH LIGHT SOUTHERLY WINDS DEVELOPING DURING THE DAY.
THE WINDS WILL CONTINUE TO INCREASE MONDAY NIGHT...WITH RIDGETOP
LEVEL WINDS OF 20 TO 30 MPH. THE GUSTY SOUTH WINDS WILL CONTINUE
INTO TUESDAY AS AN AREA OF LOW PRESSURE DEVELOPS IN SOUTHEAST
MONTANA. ISOLATE THUNDERSTORMS ARE POSSIBLE TUESDAY AFTERNOON
AND EVENING WITH ERRATIC AND GUSTY WINDS. A COLD FRONT WILL THEN
MOVE THROUGH THE BLACK HILLS EARLY WEDNESDAY...WITH STRONG
WESTERLY WINDS.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 35-37.
RH..................MAX 55-60 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 12 MPH BECOMING
                    LIGHT AND VARIABLE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 400 FT AGL.
TRANSPORT WINDS.....NORTH 20 MPH DECREASING TO 10 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 63-65.
RH..................MIN AROUND 25 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WIND BECOMING SOUTH
                    6 TO 10 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6500 TO 7000 FT AGL.
TRANSPORT WINDS.....WEST 10 MPH.
SMOKE DISPERSAL.....FAIR.

.MONDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 40-42.
RH..................MAX AROUND 65 PERCENT.
WIND (20 FT)........SOUTH 15 TO 20 MPH. RIDGETOP LEVEL WINDS
                    GUSTING TO 30 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 30 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR EARLY IN THE EVENING.


$$
FORECASTER...NWS
REQUESTED BY...JAY WICKHAM
TYPE OF REQUEST...PRESCRIBED
.TAG 20140421.PLEAS.01/UNR






USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.