FNUS75 KRIW 280243
FWSRIW

SPOT FORECAST FOR NORTH BUFFALO FIRE...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
843 PM MDT THU SEP 27 2012

FORECAST IS BASED ON REQUEST TIME OF 1931 MDT ON SEPTEMBER 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A NORTHWEST FLOW WILL BRING A DRIER AIRMASS INTO THE
AREA ON FRIDAY. ISOLATED THUNDERSTORMS WILL DEVELOP ALONG
MOUNTAIN/VALLEY WIND FLOW BOUNDARIES PRIMARILY TO THE EAST OF THE
FIRE. AN UPPER LEVEL DISTURBANCE WILL SLIDE SOUTHEAST ACROSS THE
DIVIDE ON SATURDAY. A MORE ORGANIZED AREA OF SHOWERS AND WIDELY
SCATTERED THUNDERSTORMS WILL DEVELOP AHEAD OF THIS SYSTEM
SATURDAY MORNING...AND CONTINUE INTO THE AFTERNOON. CLEARING WILL
OCCUR BEHIND THIS SYSTEM SATURDAY EVENING WITH DRY AND WARMER
WEATHER EXPECTED SUNDAY.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...MEUNIER

.FRIDAY...
SKY/WEATHER.........MOSTLY CLEAR IN THE MORNING...BECOMING PARTLY CLOUDY
                    (40-50 PERCENT) WITH ISOLATED RAIN SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....59-65 FROM 7500 TO 8500 FEET...54 TO 59 ABOVE 8500 FEET.
MIN HUMIDITY........29-33 PERCENT PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH LATE MORNING...BECOMING
                    WEST 5 TO 10 MPH WITH GUSTS TO 15 MPH IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS NEAR ANY THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH WITH GUSTS TO 15 MPH IN THE AFTERNOON.

LAL.................1 UNTIL 1400...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......4400-5400 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (39600-70200 KNOT-FT).

.FRIDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........65-68 PERCENT.

20 FOOT WINDS.......WEST 5 TO 10 MPH...BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH
                    AFTER SUNSET.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.

LAL.................1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......4400-5400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (24800-53400 KNOT-FT).

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED SHOWERS
                    AND ISOLATED THUNDERSTORMS THROUGH THE DAY.
MAX TEMPERATURE.....58-64 FROM 7500 TO 8500 FEET...53 TO 58 ABOVE 8500 FEET.
MIN HUMIDITY........28-31 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH LATE MORNING...BECOMING
                    NORTHWEST 5 TO 10 MPH WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.  GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH BECOMING NORTHWEST IN THE AFTERNOON.

LAL.................2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......4700-5700 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH BECOMING NORTHWEST IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....GOOD (60000-70200 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...BECOMING MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.SUNDAY...MOSTLY CLEAR. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...JAMIE TYSON
REASON FOR REQUEST...WILDFIRE
.TAG 20120927.NORTH.01/RIW