FNUS73 KUNR 161754
FWSUNR

SPOT FORECAST FOR NEEDLES CLEARCUT RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1154 AM MDT SAT OCT 16 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON OCTOBER 16.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...THE WEATHER TODAY WILL BE MOSTLY SUNNY AND COOLER WITH A
HIGH TEMPERATURE AROUND 59 AND MINIMUM RELATIVE HUMIDITY AROUND 22 PERCENT.
THE MIXING HEIGHT WILL REACH 2700 TO 3700 FT AGL THIS AFTERNOON. HOWEVER...
SINCE THE WINDS IN THE MIXED LAYER WILL REMAIN RELATIVELY LIGHT...THE
SMOKE DISPERSAL CALCULATION WILL REMAIN IN THE POOR CATEGORY THROUGH THE
AFTERNOON.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 59.
RH..................MIN 22 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 4 TO 9 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2700 TO 3700 FT AGL.
TRANSPORT WINDS.....SOUTHERLY 6 TO 12 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MIN 31.
RH..................MAX 69 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST
                    AROUND 10 MPH TOWARD SUNRISE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......FALLING TO 100 TO 600 FT AGL QUICKLY AFTER
                    SUNSET.
TRANSPORT WINDS.....EAST 5 TO 8 MPH..SHIFTING TO THE SOUTHWEST
                    AROUND 10 MPH LATE TONIGHT.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 54.
RH..................MIN 40 PERCENT.
WIND (20 FT)........NORTH WINDS 4 TO 8 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2700 TO 3700 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 9 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...GR
REQUESTED BY...CREW 8
TYPE OF REQUEST...PRESCRIBED
.TAG 20101016.NEEDL.01/UNR