FNUS73 KUNR 051820
FWSUNR

SPOT FORECAST FOR RIFLEPIT RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
1220 PM MDT TUE OCT 5 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON OCTOBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...WINDS WILL BECOME NORTHERLY BEHIND A COLD FRONT
THIS AFTERNOON. HIGH PRESSURE WILL SETTLE INTO THE REGION TONIGHT
WITH WEAK SOUTHERLY RETURN FLOW FOR WEDNESDAY. SMOKE DISPERSAL
WITH BE POOR WEDNESDAY. RETURN FLOW WILL BE HIGHER ON
THURSDAY...RESULTING IN GOOD SMOKE DISPERSAL.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 74.
RH..................MIN 30 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS LESS THAN 8 MPH BECOMING NORTHWEST
                    8 TO 14 MPH LATE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 43.
RH..................MAX 79 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 12 MPH IN THE EVENING BECOMING
                    LIGHT AND VARIABLE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........46 AT IGNITION...MAX 65.
RH..................76 PERCENT AT IGNITION...MIN 46 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS AT IGNITION...WINDS
                    THEN BECOMING SOUTH 5 TO 10 MPH BY LATE MORNING
                    THROUGH THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....SOUTH 10 MPH.
SMOKE DISPERSAL.....POOR.

.BROAD OUTLOOK FOR THURSDAY...PARTLY CLOUDY. MAX AROUND 70. MINIMUM RH
28-36 PERCENT. SOUTHEAST WINDS 10 TO 16 MPH. CWR 0. LAL 1. HAINES 3.
MIXING HEIGHT RISING TO 4000-6000 FT AGL. TRANSPORT WIND SOUTH 15 MPH.
SMOKE DISPERSAL BECOMING GOOD.

$$
FORECASTER...EH
REQUESTED BY...NZCRW8
TYPE OF REQUEST...PRESCRIBED
.TAG 20101006.RIFLE.01/UNR