FNUS73 KUNR 071128
FWSUNR

SPOT FORECAST FOR RIFLEPIT RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
528 AM MDT THU OCT 7 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON OCTOBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...MOSTLY SUNNY SKIES ARE EXPECTED TODAY AS AN UPPER
LEVEL RIDGE REMAINS ACROSS THE AREA. HIGHS WILL REACH THE LOWER
70S AT THE BURN SITE. MINIMUM RELATIVE HUMIDITY OF AROUND 25
PERCENT. WINDS WILL INCREASE FROM THE SOUTH/SOUTHWEST THIS
MORNING INTO THE AFTERNOON. A STORM SYSTEM WILL APPROACH THE AREA
TONIGHT AND FRIDAY. THERE IS A SLIGHT CHANCE FOR
SHOWERS AND THUNDERSTORMS TONIGHT AND A CHANCE ON FRIDAY. A COLD
FRONT WILL CROSS THE AREA FRIDAY BRINGING COOLER TEMPERATURES AND
HIGHER HUMIDITY LEVELS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........54 AT IGNITION...MAX 74.
RH..................57 PERCENT AT IGNITION...MIN 25 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 8 TO 12 MPH AT
                    IGNITION...OTHERWISE SOUTHWEST WINDS 10 TO 16
                    MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6400 TO 7400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 17 TO 23 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
                    SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE
                    NIGHT.
TEMPERATURE.........MIN 44.
RH..................MAX 86 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 15 MPH.
CWR.................11 PERCENT.
LAL.................2 UNTIL 2400...THEN 1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 21 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR AFTER MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS THROUGH
                    THE DAY.
TEMPERATURE.........MAX 64.
RH..................MIN 36 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH...BECOMING WEST BY
                    MID DAY.
CWR.................17 PERCENT.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 TO 4500 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 14 MPH.
SMOKE DISPERSAL.....FAIR.

$$
FORECASTER...CALDERON
REQUESTED BY...BEN DEMPSEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20101007.RIFLE.01/UNR