FNUS75 KRIW 061600
FWSRIW

SPOT FORECAST FOR BLACK BUTTE...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
1000 AM MDT MON AUG 6 2012

FORECAST IS BASED ON REQUEST TIME OF 0942 MDT ON AUGUST 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

.DISCUSSION...AN PLUME OF MONSOONAL MOISTURE AND UPPER LEVEL DISTURBANCE
WILL MOVE NORTHEASTWARD ACROSS THE REGION AND INCREASE THE CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH TODAY AND INTO THIS EVENING. HIGH
PRESSURE WILL BUILD BACK OVER THE AREA ON TUESDAY AND BRING MAINLY DRY
WEATHER ONCE AGAIN. DRY WEATHER IS EXPECTED TO CONTINUE INTO WEDNESDAY
AS WELL.

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

FORECASTER...HATTINGS

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........9-14 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....LIGHT AND VARIABLE WINDS BECOMING WEST AROUND
                    15 MPH.
LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). SCATTERED
                    SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
                    ISOLATED RAIN SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 8 TO 12 MPH IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-8 MPH. GUSTS UP
                    TO 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH.
LAL.................3 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT) THEN BECOMING PARTLY CLOUDY
                    (40-50 PERCENT).
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH INCREASING TO WEST
                    AROUND 15 MPH 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...PARTLY CLOUDY. LOWS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. WINDS GENERALLY
LESS THAN 10 MPH.

$$

FORECASTER...HATTINGS
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20120806.BLACK.01/RIW