FNUS75 KRIW 141211
FWSRIW

SPOT FORECAST FOR NORTH BUFFALO...TETON DISPATCH
NATIONAL WEATHER SERVICE RIVERTON WY
611 AM MDT FRI SEP 14 2012

FORECAST IS BASED ON REQUEST TIME OF 2036 MDT ON SEPTEMBER 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

.DISCUSSION...DRY WEATHER WITH LOW RELATIVE HUMIDITY WILL CONTINUE
TODAY AND SATURDAY. THE WIND SPEED TODAY WILL BE SIMILAR TO
YESTERDAY. THE WIND DIRECTION ON THE RIDGE TOPS WILL BE MORE WEST
THIS AFTERNOON WHICH MEANS THE SMOKE PLUME WILL HEAD TO THE EAST.

THE WIND WILL PICK UP AT THE HIGHER RIDGE TOPS AND EXPOSED AREAS ON
SATURDAY WITH THE POTENTIAL FOR RED FLAG CONDITIONS MIDDAY SATURDAY
THROUGH SATURDAY EVENING. IN THE LOWER SECTIONS OF THE FIRE THE WIND
SPEEDS WILL BE LIGHTER. HOWEVER...DUE TO THE CRITICAL FUELS AND
RECENT FIRE BEHAVIOR THE POTENTIAL FOR ACTIVE FIRE BEHAVIOR IS
POSSIBLE SATURDAY.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........SUNNY. SOME HIGH LEVEL CLOUDS.
MAX TEMPERATURE.....65-71.
MIN HUMIDITY........12-18 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 3 TO 6 MPH UNTIL 1100.
                    THEN UPSLOPE/UPVALLEY AT 5 TO 9 MPH AFTER 1100.

RIDGE TOP WINDS.....WEST AT 5 TO 10 MPH UNTIL 1200.
                    WEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH
                    AFTER 1200.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6000-7000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1200.
                    WEST AT 15 TO 20 MPH AFTER 1200.
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1200...BECOMING VERY GOOD
                    AROUND 1400.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....39-45.
MAX HUMIDITY........35-41 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 4 TO 8 MPH UNTIL SUNSET...THEN
                    BECOMING DOWNSLOPE/DOWNVALLEY 4 TO 7 MPH AFTER SUNSET.

RIDGE TOP WINDS.....WEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH ALL NIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL MIDNIGHT.  THEN WEST
                    AROUND 10 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO FAIR BY 2200...THE BECOMING POOR
                    AFTER MIDNIGHT.

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....66-72.
MIN HUMIDITY........12-18 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 4 TO 7 MPH UNTIL 1100.
                    THEN UPSLOPE/UPVALLEY AT 5 TO 10 MPH AFTER 1100.

RIDGE TOP WINDS.....WEST AT 7 TO 12 MPH UNTIL 1200.
                    WEST AT 15 TO 20 MPH WITH GUSTS AROUND 25 MPH
                    AFTER 1200.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 7000-8000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AT 10 TO 15 MPH UNTIL 1200.
                    WEST AT 20 TO 25 MPH AFTER 1200.
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1200...INCREASING TO
                    EXCELLENT AROUND 1400.

.FORECAST DAYS 3 THROUGH 5...

.SATURDAY NIGHT...MOSTLY CLEAR. LOWS 40-45. WEST WINDS AT 10 TO
15 MPH ON RIDGE TOPS...WIND GENERALLY LESS THAN 10 MPH LOWER AREAS.

.SUNDAY...MOSTLY CLEAR.  HIGHS IN THE LOWER 60S.
WEST TO NORTHWEST WINDS AT 10 TO 15 MPH RIDGE TOPS.

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

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

$$

FORECASTER...ROSS
REQUESTED BY...LOOKOUT
REASON FOR REQUEST...WILDFIRE
.TAG 20120913.NORTH.01/RIW