FNUS73 KUNR 141411
FWSUNR

SPOT FORECAST FOR NEEDLES CLEARCUT RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
811 AM MDT THU OCT 14 2010

FORECAST IS BASED ON IGNITION TIME OF 0820 MDT ON OCTOBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...WARM AND DRY WEATHER CAN BE EXPECTED THROUGH FRIDAY AS
AN UPPER LEVEL RIDGE BUILDS INTO THE REGION. AFTERNOON HUMIDITIES WILL
FALL TO AROUND 21 PERCENT AT THE BURN AREA TODAY AND AROUND 18 PERCENT
ON FRIDAY. A COLD FRONT WILL CROSS THE REGION LATE FRIDAY AND FRIDAY
NIGHT...SHIFTING WINDS TO THE NORTHWEST. THE WEEKEND WEATHER WILL BE
MUCH COOLER AND MORE UNSETTLED. A CHANCE FOR SHOWERS CAN BE EXPECTED ON SUNDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 63.
RH..................35 PERCENT AT IGNITION...MIN 21 PERCENT.
WIND (20 FT)........RIDGETOP WINDS WEST-NORTHWEST 5 TO 8 MPH
                    BECOMING LIGHT AND VARIABLE DURING THE AFTERNOON.
                    LIGHT AND VARIABLE WINDS AT THE FIRE AREA.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2500 TO 3500 FT AGL.
TRANSPORT WINDS.....WEST-NORTHWEST 9 TO 16 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 40.
RH..................MAX 55 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 13 MPH
                    EARLY IN THE EVENING.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 12 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 65.
RH..................MIN 18 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 12 MPH BECOMING NORTHWEST 8 TO 15 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2700 TO 3700 FT AGL.
TRANSPORT WINDS.....WEST 13 TO 21 MPH BECOMING NORTHWEST AND INCREASING
                    TO 23 TO 26 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.

$$
FORECASTER...GR
REQUESTED BY...SPRING
TYPE OF REQUEST...PRESCRIBED
.TAG 20101014.NEEDL.02/UNR