FNUS73 KUNR 291151
FWSUNR

SPOT FORECAST FOR BITTER RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
551 AM MDT FRI OCT 29 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BRING MOSTLY
SUNNY SKIES AND WARM TEMPERATURES. THE HIGH TEMPERATURE WILL BE
IN THE UPPER 60S WITH MINIMUM RELATIVE HUMIDITY AROUND 15 PERCENT.
THE MAXIMUM MIXING HEIGHT WILL BE 1500-1800 FEET. HOWEVER
WITH TRANSPORT WINDS AROUND 10 MPH THE SMOKE DISPERSAL WILL BE
POOR.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........60 AT IGNITION...MAX 67-69.
RH..................20-22 PERCENT AT IGNITION...MIN AROUND 15 PERCENT.
WIND (20 FT)........WINDS WEST AT 4 TO 9 MPH AT IGNITION...BECOMING UPSLOPE
                    5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1500-1800 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 12 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 36-38.
RH..................MAX 50-55 PERCENT.
WIND (20 FT)........VARIABLE WINDS 3 TO 7 MPH BECOMING DOWNSLOPE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200 TO 700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........INCREASING CLOUDS.
TEMPERATURE.........MAX 59-61.
RH..................MIN 25-30 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING
                    BECOMING SOUTHEAST 6 TO 9 MPH LATE IN THE MORNING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1300 TO 2300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 13 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...NWS
REQUESTED BY...CHRIS STOVER
TYPE OF REQUEST...PRESCRIBED
.TAG 20101029.BITTE.02/UNR