FNUS75 KRIW 091037
FWSRIW

SPOT FORECAST FOR NORTH BUFFALO...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
437 AM MDT SUN SEP 9 2012

FORECAST IS BASED ON REQUEST TIME OF 1908 MDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT
MONDAY...

.DISCUSSION...A RED FLAG WARNING IS IN EFFECT THIS AFTERNOON AND
EVENING FOR VERY DRY AND GUSTY CONDITIONS FOR ZONE 415.
HOWEVER...WINDS AND RELATIVE HUMIDITY ARE EXPECTED TO REMAIN BELOW
WARNING THRESHOLDS ACROSS THE FIRE TODAY. A WARMER AND DRIER
SOUTHWEST FLOW WILL PREVAIL TODAY WITH WEST SOUTHWEST WIND MIXING
DOWN THROUGH THE AFTERNOON. CLOUDS WILL INCREASE TONIGHT AHEAD OF
AN APPROACHING SLOW-MOVING COLD FRONT WITH AN ISOLATED SHOWER
POSSIBLE. RIDGE TOP SOUTHWEST WIND WILL INTENSIFY OVERNIGHT. THE
BEST MOISTURE AND INSTABILITY WILL RESIDE WELL SOUTH OF THE FIRE
ON MONDAY AHEAD OF THE FRONT ALONG WITH THE POTENTIAL FOR
THUNDERSTORMS. MAINLY BREEZY TO WINDY AND DRY CONDITIONS WILL
PREVAIL ACROSS THE FIRE...THOUGH A DISSIPATING SHOWER OR
THUNDERSTORM MAY STRAY INTO THE VICINITY WITH ERRATIC WIND GUSTS.
THE COLD FRONT WILL PUSH ACROSS MONDAY EVENING USHERING IN A DRIER
AND COOLER AIRMASS WITH RIDGE TOP WINDS REMAINING GUSTY OUT OF THE
WEST.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....71-74 AT 7400 FEET...60-63 AT 10000 FEET.
MIN HUMIDITY........16-19 PERCENT AT 7400 FEET...22-25 PERCENT AT 10000 FEET.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    10 TO 15 MPH WITH GUSTS 20 TO 25 MPH IN
                    THE EARLY AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE
                    GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY (55-65 PERCENT).  AN ISOLATED
                    SHOWER POSSIBLE AFTER MIDNIGHT.
MIN TEMPERATURE.....45-48.
MAX HUMIDITY........60-63 PERCENT.
20 FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH UNTIL
                    2000...THEN DECREASING TO 5 TO 10 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH.

.MONDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). AN ISOLATED SHOWER
                    OR AFTERNOON THUNDERSTORM POSSIBLE.
MAX TEMPERATURE.....67-70 AT 7400 FEET...56-59 AT 10000 FEET.
MIN HUMIDITY........25-28 PERCENT AT 7400 FEET...35-38 PERCENT AT 10000 FEET.
20 FOOT WINDS.......SOUTHWEST 5 TO 10 MPH BECOMING WEST SOUTHWEST AROUND
                    15 MPH WITH GUSTS 25 TO 30 MPH AROUND NOON.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
LAL.................2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...CLEARING.  LOWS IN THE UPPER 30S.
WEST WIND 10 TO 15 MPH WITH GUSTS 25 TO 30 MPH IN THE EVENING...BECOMING
SOUTHWEST 5 TO 10 MPH OVERNIGHT.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 50S. WEST SOUTHWEST WIND 10 TO 15 MPH WITH GUSTS TO 20 TO 25 MPH
IN THE AFTERNOON.

.WEDNESDAY...CLEAR. LOWS IN THE UPPER 20S. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.

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

$$

FORECASTER...MEUNIER
REQUESTED BY...ROD DYKEHOUSE
REASON FOR REQUEST...WILDFIRE
.TAG 20120908.NORTH.01/RIW