FNUS75 KRIW 032141
FWSRIW

SPOT FORECAST FOR BIG TRAILS II...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
341 PM MDT SAT JUL 3 2010

FORECAST IS BASED ON IGNITION TIME OF 1535 MDT ON JULY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...CONVECTIVE ACTIVITY AROUND THE BURN SITE LATE THIS
AFTERNOON WILL SLOWLY DIMINISH IN THE EVENING HOURS...BUT SHOULD
PRODUCE ERRATIC WINDS. DIFFICULT WEATHER SITUATION WITH POSSIBLE
SHOWERS OVERNIGHT BECOMING THUNDERSTORMS SUNDAY AFTERNOON AS
ANOTHER WEATHER SYSTEM MOVES THROUGH WYOMING. TEMPERATURES SHOULD
COOL SOMEWHAT TOMORROW COMPARED TO SATURDAY...WITH HUMIDITY
SLIGHTLY HIGHER DUE TO WEATHER ACTIVITY AND WEAK FRONT WHICH HAS
PUSHED TO THE SOUTH. EXPECT CLEARING AFTER SUNDAY NIGHT AND DRIER
WEATHER ON MONDAY.

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

FORECASTER...MCDONALD

.TONIGHT...
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY (45-65 PERCENT).
                    ISOLATED SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....50-55.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 15 MPH EARLY IN THE
                    EVENING DUE TO THUNDERSTORMS.  AFTER
                    2100...DOWNSLOPE/DOWNVALLEY 4-7 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE
                    SOUTHEAST AROUND 10 MPH AFTER MIDNIGHT.
LAL.................2.
CWR.................5 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.INDEPENDENCE DAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
                    CLOUDY (55-65 PERCENT). SCATTERED SHOWERS AND
                    THUNDERSTORMS.
MAX TEMPERATURE.....70-75
MIN HUMIDITY........35-40 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH.
LAL.................4.
CWR.................10-15 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE EVENING. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S. HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS
THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MCDONALD
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20100703.BIGTR.01/RIW