FNUS75 KRIW 101029
FWSRIW

SPOT FORECAST FOR NORTH BUFFALO...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
429 AM MDT MON SEP 10 2012

FORECAST IS BASED ON REQUEST TIME OF 1929 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING
FOR STRONG WIND AND DRY THUNDERSTORMS WITH GUSTY OUTFLOW WINDS...

.DISCUSSION...AN UPPER LEVEL DISTURBANCE MOVING EAST ALONG THE
CANADIAN BORDER WILL PUSH A COLD FRONT ACROSS THE AREA EARLY THIS
EVENING. SOME MOISTURE FLOWING UP FROM THE GREAT BASIN MAY BRING
AN ISOLATED SHOWER OR THUNDERSTORM INTO THE VICINITY AROUND MIDDAY
BEFORE DRIER AIR PUSHES IN THIS AFTERNOON. WEST SOUTHWEST WIND
SHOULD MIX DOWN LATE MORNING AND REMAIN GUSTY THROUGH FRONTAL
PASSAGE THIS EVENING...DIMINISHING AFTERWARDS. HOWEVER...CLOUD COVER MAY
HINDER MIXING DOWN OF THESE WINDS UNTIL CLEARING BEGINS AROUND
MID- AFTERNOON. A COOLER AND DRY WESTERLY FLOW WILL PREVAIL
TUESDAY WITH WEST WIND BECOMING GUSTY IN THE AFTERNOON...THOUGH
NOT AS STRONG AS TODAY.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THROUGH MID-AFTERNOON
                    THEN CLEARING. ISOLATED RAIN SHOWERS AND THUNDERSTORMS
                    POSSIBLE PRIMARILY LATE MORNING THROUGH EARLY AFTERNOON.
MAX TEMPERATURE.....67-70 AT 7400 FEET...60-63 AT 10000 FEET.
MIN HUMIDITY........19-22 PERCENT.  MINIMUM RELATIVE HUMIDITY EXPECTED
                    IN THE EVENING BEHIND THE COLD FRONT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY OR SOUTHEAST 5-9 MPH
                    BECOMING WEST SOUTHWEST AROUND 15 MPH WITH GUSTS
                    25 TO 30 MPH LATE MORNING TO EARLY AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 TO 20 MPH INCREASING TO AROUND 25
                    MPH IN THE AFTERNOON.

LAL.................2...PRIMARILY FROM 1000-1400.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR. (10-20 PERCENT).
MIN TEMPERATURE.....36-39.
MAX HUMIDITY........49-52 PERCENT.

20 FOOT WINDS.......WEST SOUTHWEST 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH
                    UNTIL SUNSET...THEN DIMINISHING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH DECREASING TO AROUND 15
                    MPH AFTER MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....62-65 AT 7400 FEET...55-58 AT 10000 FEET.
MIN HUMIDITY........14-17 PERCENT. AT 7400 FEET16-19 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 10 TO 15
                    MPH WITH GUSTS 20 TO 25 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH SHIFTING TO THE WEST
                    AROUND 25 MPH LATE IN THE AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

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

.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.

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

$$

FORECASTER...MEUNIER
REQUESTED BY...ROD DYKEHOUSE
REASON FOR REQUEST...WILDFIRE
.TAG 20120909.NORTH.01/RIW