FNUS75 KRIW 311055
FWSRIW

SPOT FORECAST FOR NOWLIN...BRIDGER TETON NATIONAL FOREST
NATIONAL WEATHER SERVICE RIVERTON WY
455 AM MDT WED AUG 31 2011

FORECAST IS BASED ON REQUEST TIME OF 2125 MDT ON AUGUST 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ISOLATED EARLY MORNING SHOWERS AND THUNDERSTORMS WILL LIFT NORTH
OF THE AREA AFTER 0800.  ISOLATED SHOWERS AND THUNDERSTORMS WILL REDEVELOP
THIS AFTERNOON AHEAD OF AN APPROACHING COLD FRONT. THIS COLD FRONT
WILL PUSH ACROSS THE AREA AROUND 1800. WIND SPEEDS WILL INCREASE
TODAY AND THIS EVENING AHEAD OF AND WITH THE FRONTAL PASSAGE. SURFACE
WINDS ARE EXPECTED FROM THE WEST SOUTHWEST TODAY BECOMING NORTHWEST
BRIEFLY BEHIND THE FRONT BEFORE DIMINISHING.  THURSDAY WILL BE
LESS WINDY AND COOLER BEHIND THE COLD FRONT. THURSDAY NIGHT AND
FRIDAY LOOK DRY WITH BREEZY CONDITIONS ON FRIDAY AFTERNOON.

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

FORECASTER...AR/AEM

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....65-72.
MIN HUMIDITY........16-22 PERCENT.

20 FOOT WINDS.......WEST TO SOUTHWEST AT 5 TO 10 MPH UNTIL 1100.
                    THEN WEST TO SOUTHWEST AT 13 TO 18 MPH WITH
                    GUSTS AROUND 25 MPH AFTER 1100.

                    GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS TO 35 MPH THROUGH 0800
                    AND AGAIN THIS AFTERNOON.

RIDGE TOP WINDS.....WEST TO SOUTHWEST AT 10 TO 15 MPH UNTIL 1100.
                    THEN SOUTHWEST AT 20 TO 25 MPH WITH GUSTS TO
                    35 MPH AFTER 1100.

LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 7000-8000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1100.
                    BECOMING SOUTHWEST AROUND 30 MPH BY 1300.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT BY 1300.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF
                    SHOWERS AND ISOLATED THUNDERSTORMS.
MIN TEMPERATURE.....42-48.
MAX HUMIDITY........43-53 PERCENT.

20 FOOT WINDS.......THEN WEST TO SOUTHWEST AT 13 TO 18 MPH WITH
                    GUSTS AROUND 25 MPH UNTIL 2100.
                    THEN WEST TO SOUTHWEST AT 8 TO 13 MPH WITH
                    GUSTS AROUND 18 MPH.

                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS TO 35 MPH.

RIDGE TOP WINDS.....THEN SOUTHWEST AT 20 TO 25 MPH WITH GUSTS AROUND
                    30 MPH UNTIL 2100.
                    THEN WEST TO SOUTHWEST AT 12 TO 17 MPH WITH
                    GUSTS AROUND 25 MPH AFTER 2100.

LAL.................2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH UNTIL 2100. THEN
                    DECREASING TO 15 TO 20 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD...DECREASING TO POOR AFTER MIDNIGHT.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....58-65.
MIN HUMIDITY........23-26 PERCENT.

20 FOOT WINDS.......WEST TO SOUTHWEST AT 6 TO 11 MPH UNTIL 1100.
                    THEN WEST TO SOUTHWEST AT 13 TO 18 MPH WITH
                    GUSTS AROUND 25 MPH.

                    GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS TO 35 MPH.

RIDGE TOP WINDS.....WEST TO SOUTHWEST AT 11 TO 16 MPH UNTIL 1100.
                    THEN SOUTHWEST AT 20 TO 25 MPH WITH GUSTS
                    AROUND 30 MPH AFTER 1100.

LAL.................2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6000-7000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1100.
                    THEN SOUTHWEST AROUND 25 MPH BY 1300.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE 30S. WEST TO SOUTHWEST
WIND 10 TO 15 MPH.

.FRIDAY...MOSTLY CLEAR. HIGHS IN THE UPPER 50S TO MID 60S.
WEST TO SOUTHWEST AT 15 TO 20 MPH.

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

.SUNDAY...MOSTLY CLEAR. LOWS 37 TO 45. HIGHS IN THE 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...ROSS/MEUNIER
REQUESTED BY...JON FILARDO IC T
REASON FOR REQUEST...WILDFIRE
.TAG 20110830.NOWLI.01/RIW