FNUS75 KRIW 311924
FWSRIW

SPOT FORECAST FOR NORTON POINT...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
124 PM MDT WED AUG 31 2011

FORECAST IS BASED ON REQUEST TIME OF 1300 MDT ON AUGUST 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...

.DISCUSSION...

BREEZY...WARM AND DRY CONDITIONS WILL PERSIST OVER THE FIRE THIS
AFTERNOON AND INTO THE EVENING HOURS. THIS COMBINATION WILL CREATE
EXPLOSIVE FIRE GROWTH AND THE AREA IS CURRENTLY UNDER A RED FLAG
WARNING. THESE HAZARDOUS CONDITIONS WILL CONTINUE INTO THE EVENING
HOURS TONIGHT BEFORE LOSS OF DAYLIGHT WILL ALLOW HUMIDITY TO
RECOVER. SHOWERS AND THUNDERSTORMS WILL REMAIN POSSIBLE OVER THE
FIRE THIS AFTERNOON...WITH CURRENT ACTIVITY NOTED NORTH AND WEST
OF THE FIRE. LIGHTNING AND GUSTY AND ERRATIC WIND WILL BE THE
PRIMARY THREATS WITH STORM ACTIVITY. SHOWERS AND THUNDERSTORMS
WILL CONTINUE INTO THE OVERNIGHT HOURS. A COLD FRONT WILL MOVE
THROUGH THE FIRE LATE THIS EVENING...SOMETIME BETWEEN 0200 AND
0600. WIND WILL BECOME NORTHWESTERLY WITH THIS FRONTAL
PASSAGE...AND COOLER TEMPERATURES WITH ELEVATED HUMIDITY ARE
EXPECTED OVER THE FIRE ON THURSDAY.

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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED
                    SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....75-78 BELOW 9000 FT... 71-75 ABOVE 9000 FT.
MIN HUMIDITY........14-17 PERCENT ALL LEVELS.
20 FOOT WINDS.......SOUTHWEST INCREASING TO AROUND 15 TO 20 MPH
                    BY 1400. GUSTS TO AROUND 35 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
                    AROUND 30 MPH.
LAL.................2.
CHC OF WETTING RAIN.9 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS THROUGH 2300.
MIN TEMPERATURE.....40-43 BELOW 9000 FT....37-40 ABOVE 9000 FT.
MAX HUMIDITY........52-57 PERCENT ALL LEVELS.
20 FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
                    AROUND 35 MPH...BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH BY 0200. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH BECOMING WEST 15 TO 20
                    MPH BY 2200.
LAL.................2 UNTIL 2300...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT). ISOLATED
                    SHOWERS AND THUNDERSTORMS...BECOMING
                    SCATTERED AFTER 1000.
MAX TEMPERATURE.....62-66 BELOW 9000 FT....59-62 ABOVE 9000 FT.
MIN HUMIDITY........20-24 PERCENT ALL LEVELS.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20
                    MPH...INCREASING TO 20 TO 25 MPH WITH GUSTS TO
                    AROUND 35 MPH BY 1400. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 15 MPH INCREASING TO SOUTHWEST 25
                    TO 30 MPH BY 1500.
LAL.................2 UNTIL 1300...THEN 4.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 30S. NORTHWEST
WINDS AROUND 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. NORTHWEST WINDS AROUND 11 MPH.
.SATURDAY...CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...KELLY CORNWALL
REASON FOR REQUEST...WILDFIRE
.TAG 20110831.NORTO.02/RIW