FNUS75 KRIW 071036
FWSRIW

SPOT FORECAST FOR MERIDIAN...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
436 AM MDT WED SEP 7 2011

FORECAST IS BASED ON REQUEST TIME OF 1434 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED...MAINLY
THIS AFTERNOON AND EVENING. WINDS WILL GENERALLY BE EAST TO
SOUTHEAST OVER THE NEXT COUPLE OF DAYS...EXCEPT GUSTY AND ERRATIC
NEAR ANY SHOWERS AND THUNDERSTORMS.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-90 PERCENT).
                    WIDELY SCATTERED SHOWERS...MAINLY IN THE
                    AFTERNOON. AN ISOLATED THUNDERSTORM POSSIBLE
                    IN THE AFTERNOON.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........AROUND 35 PERCENT.
20 FOOT WINDS.......BECOMING EAST TO SOUTHEAST 5-10 MPH BY 0900.
                    GUSTS TO 18 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR ANY
                    THUNDERSTORMS
RIDGE TOP WINDS.....BECOMING EAST SOUTHEAST 10 TO 15 MPH BY 0900.
                    GUSTS TO 25 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2400-3400 FT AGL INCREASING TO 5400-6000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....EAST SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (18800-49600 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    EVENING.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........75-80 PERCENT.
20 FOOT WINDS.......SOUTHEAST 4-8 MPH. GUSTS TO 15 MPH. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3100-4100 FT AGL DECREASING TO 400-1200 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (10000-41800 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......SOUTHEAST 5-10 MPH. GUSTS TO 15 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.NEAR ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2900-3900 FT AGL INCREASING TO 6600-7600 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST TO EAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (30200 KNOT-FT) INCREASING TO GOOD (81800
                    KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 30S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...MERIDIAN IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110906.MERID.01/RIW