FNUS73 KUNR 051612
FWSUNR

SPOT FORECAST FOR PORCUPINE RX...PINE RIDGE AGENCY
NATIONAL WEATHER SERVICE RAPID CITY SD
912 AM MST THU JAN 5 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON JANUARY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
VERY MILD TEMPERATURES ARE EXPECTED TODAY. WINDS MAY BECOME GUSTY
THIS AFTERNOON FROM THE WEST AT 10 TO 20 MPH. MINIMUM RELATIVE
HUMIDITY VALUES WILL BE AROUND 25 PERCENT. A COLD FRONT WILL PASS
THROUGH THE BURN AREA THIS EVENING...SHIFTING THE WINDS TO THE
NORTHWEST. COOLER AIR WILL BE IN PLACE OVER THE WEEKEND BUT
READINGS STILL ABOVE SEASONAL AVERAGES.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 60 TO 65.
RH..................MIN AROUND 25 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 12 MPH SHIFTING TO THE
                    WEST AROUND 1300. GUSTS OF 12 TO 20 MPH ARE
                    POSSIBLE AFTER 1300.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 1300 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 25 MPH SHIFTING TO THE NORTHWEST 10
                    TO 15 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN AROUND 25.
RH..................MAX 85 TO 90 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 4 TO 8 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX AROUND 42.
RH..................MIN AROUND 35 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 13 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500 TO 6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 18 MPH INCREASING TO 20 TO 30
                    MPH LATE IN THE MORNING...THEN SHIFTING TO THE
                    WEST LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.

$$
FORECASTER...MS/JB
REQUESTED BY...MICHAEL TWISS  SR
TYPE OF REQUEST...PRESCRIBED
.TAG 20120105.PORCU.01/UNR