FNUS75 KRIW 051707
FWSRIW

SPOT FORECAST FOR FREMONT FIRE...IA CPC
NATIONAL WEATHER SERVICE RIVERTON WY
1107 AM MDT TUE JUL 5 2011

FORECAST IS BASED ON REQUEST TIME OF 1035 MDT ON JULY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SHOWERS AND THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON DUE TO
A PACIFIC MOISTURE PLUME ROTATING ABOUT A LARGE BUBBLE OF HIGH
PRESSURE OVER THE SOUTHWEST U.S. SLIGHTLY COOLER THAN NORMAL
TEMPERATURES ALONG WITH THIS RESIDENT MOISTURE WILL KEEP HUMIDITY
ABOVE CRITICAL LEVELS. WINDS WILL BE RELATIVELY LIGHT EXCEPT IN
THE AREAS NEAR THUNDERSTORMS WHERE STRONG AND GUSTY WINDS OF 50 MPH
OR MORE ARE POSSIBLE. MORE OF THE SAME IS EXPECTED FOR WEDNESDAY
WITH MORE AFTERNOON SHOWERS AND THUNDERSTORMS.


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

FORECASTER...BERC

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) TO
                    MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS...THEN
                    SCATTERED SHOWERS AND THUNDERSTORMS AFTER 3 PM.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........26-29 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
LAL.................2 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.28 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4900-5900 FT AGL INCREASING TO 8500-9500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 20 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (56200 KNOT-FT) INCREASING TO VERY GOOD
                    (114500 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLOUDY (75-85 PERCENT). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN ISOLATED
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........87-90 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE
                    SOUTHEAST EARLY IN THE MORNING.
LAL.................4 UNTIL 2400...THEN 2.
CHC OF WETTING RAIN.29 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4900-5900 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 17 TO 23 MPH SHIFTING TO THE
                    SOUTHEAST EARLY IN THE MORNING.
SMOKE DISPERSAL.....GOOD (72700 KNOT-FT) DECREASING TO POOR (5400
                    KNOT-FT) AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE MORNING...THEN
                    SCATTERED RAIN SHOWERS AND CHANCE OF
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........24-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE NORTH
                    EARLY IN THE AFTERNOON...THEN SHIFTING TO THE
                    EAST LATE IN THE AFTERNOON.
LAL.................2 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.30 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...CLOUDY. SCATTERED SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF
THUNDERSTORMS AND ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND
10 MPH.
.SATURDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BERC
REQUESTED BY...MATT QUINLAN
REASON FOR REQUEST...WILDFIRE
.TAG 20110705.FREMO.01/RIW