Suppression Forecast
Issued by NWS Rapid City, SD

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000
FNUS73 KUNR 010022
FWSUNR

SPOT FORECAST FOR WHALEY...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
622 PM MDT FRI OCT 31 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON NOVEMBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
WINDS WILL SLOWLY DECREASE TONIGHT. MUCH WARMER AIR IS EXPECTED
SATURDAY FOR THE BURN AREA...BUT THIS WARMER AIR WILL CREATE LOW
MIXING HEIGHTS AND POOR SMOKE DISPERSAL DUE TO AN INVERSION. LOW
PRESSURE WILL MOVE ACROSS EASTERN MONTANA SATURDAY NIGHT BRINGING
GUSTY WINDS.

.TONIGHT...

SKY/WEATHER.........BECOMING MOSTLY CLEAR.
TEMPERATURE.........MIN 35.
RH..................MAX 80 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 16 MPH
                    DECREASING TO 5 TO 10 MPH AFTER MIDNIGHT.
                    GUSTS TO 24 MPH EARLY THIS EVENING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 23 TO 31 MPH DECREASING
                    TO 16 TO 21 MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........57 AT IGNITION...MAX 67.
RH..................43 PERCENT AT IGNITION...MIN 31 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST 6 TO 12 MPH...INCLUDING IGNITION TIME.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......700 TO 1200 FT AGL.
TRANSPORT WINDS.....SOUTH 16 TO 23 MPH.
SMOKE DISPERSAL.....POOR.

.OUTLOOK FOR SATURDAY NIGHT...
LOW LEVEL JET DEVELOPS WITH POTENTIAL FOR GUSTY WINDS IN EXPOSED
AREAS. SOUTHWEST WIND 10 TO 15 MPH WITH GUSTS TO 20 MPH BECOMING
WEST AFTER MIDNIGHT 10 TO 20 MPH WITH GUSTS TO 30 MPH. RELATIVE
HUMIDITIES SHOULD RECOVER INTO THE 60S AS TEMPERATURES DROP TO THE
UPPER 30S.

$$
FORECASTER...EH
REQUESTED BY...STOVER  CHRIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20141101.WHALE.02/UNR




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