FNUS75 KRIW 261538
FWSRIW

SPOT FORECAST FOR MIDDLE FORK...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
938 AM MDT THU AUG 26 2010

FORECAST IS BASED ON REQUEST TIME OF 0854 MDT ON AUGUST 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE AND LOW HUMIDITIES WILL HOLD ON THROUGH FRIDAY.
THERE WILL BE LITTLE CLOUD COVER OVER THE AREA. HOWEVER...
INCREASED INSTABILITY MAY RESULT IN ISOLATED THUNDERSTORMS
FRIDAY AFTERNOON AND EVENING. VERY GUSTY WINDS AND BETTER CHANCES
FOR THUNDERSTORMS CAN BE EXPECTED ON SATURDAY AS THE HIGH PRESSURE
RIDGE SHIFTS TO THE CENTRAL PARTS OF THE UNITED STATES. AGAIN...
ERRATIC WINDS AND OCCASIONAL CLOUD TO GROUND LIGHTNING ARE POSSIBLE
NEAR ANY STORMS.

CONDITIONS MAY APPROACH RED FLAG CRITERIA BY FRIDAY AFTERNOON...
SO STAY TUNED TO UPDATED FORECASTS FROM THE NATIONAL WEATHER
SERVICE IN RIVERTON.

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

FORECASTER...LYNOTT

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....85-88.
MIN HUMIDITY........7-10 PERCENT.
20 FOOT WINDS.......WEST WINDS 5 TO 10 MPH BECOMING UPSLOPE/UPVALLEY
                    5-9 MPH...THEN BECOMING WEST 10 TO 15 MPH WITH
                    HIGHER GUSTS LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH INCREASING TO AROUND 15 MPH
                    LATE IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....52-55.
MAX HUMIDITY........38-41 PERCENT.
20 FOOT WINDS.......WEST WINDS 14 TO 20 MPH WITH GUSTS TO AROUND 30
                    MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 25 MPH INCREASING TO AROUND 30
                    MPH EARLY IN THE MORNING.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....77-81.
MIN HUMIDITY........15-18 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 18 TO 25 MPH WITH GUSTS TO
                    AROUND 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR ANY THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST AROUND 40 MPH DECREASING TO AROUND 20 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. SOUTHWEST WINDS AROUND 13 MPH.
.SATURDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 11 MPH.
.SUNDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS AROUND 70. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY
LESS THAN 10 MPH.

$$

FORECASTER...LYNOTT
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100826.MIDDL.01/RIW