FNUS75 KRIW 262040
FWSRIW

SPOT FORECAST FOR COAL FIRE...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
240 PM MDT MON JUL 26 2010

FORECAST IS BASED ON REQUEST TIME OF 1400 MDT ON JULY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MONSOONAL MOISTURE WILL WRAP INTO WESTERN WYOMING TODAY WITH
ISOLATED TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED THIS
AFTERNOON AND EVENING.  FREQUENT LIGHTNING...BRIEF GUSTY WIND TO 50 MPH
AND BRIEF HEAVY RAINFALL WILL BE THE PRIMARY THREATS.  THE THUNDERSTORM
THREAT PERSISTS TUESDAY AND WEDNESDAY INCREASING IN COVERAGE.  THE
THREATS WILL INCLUDE THE SAME AS FOR TODAY ALSO INCLUDING SOME SMALL
HAIL.  CONVECTION WILL LIKELY PERSIST DURING THE OVERNIGHT AND
MORNING HOURS AS WELL. TEMPERATURES WILL BE WARM AGAIN TODAY...THO
WILL SLOWLY COOL THROUGH WEDNESDAY BEFORE WARMING BACK ON THURSDAY.

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

FORECASTER...LIPSON

.REST OF TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). WIDELY SCATTERED
                    SHOWERS AND THUNDERSTORMS DEVELOPING DURING THE
                    REMAINDER OF THE OF THE AFTERNOON.
MAX TEMPERATURE.....AROUND 79 TO 82.
MIN HUMIDITY........16 TO 18 PERCENT.
WIND (20 FT)........WEST 10 TO 15 MPH BECOMING NORTHWEST 10 TO 15 MPH
                    BY 1600 THIS AFTERNOON. GUSTS UP
                    TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................2.
CWR.................4 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......10400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 18 TO 22 MPH.
SMOKE DISPERSAL.....EXCELLENT (157200 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). WIDELY SCATTERED
                    THUNDERSTORMS IN THE EVENING. ISOLATED RAIN
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....58-60.
MAX HUMIDITY........34-36 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 9 MPH EARLY IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH FROM THE EAST
                    BY 2000. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....WEST AROUND 15 MPH SHIFTING TO THE EAST AFTER
                    MIDNIGHT.
LAL.................2.
CWR.................4 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5300-6300 FT AGL DECREASING TO 700-1200 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 16 TO 20 MPH SHIFTING TO THE EAST AROUND
                    17 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....GOOD (85400 KNOT-FT) DECREASING TO POOR (5200
                    KNOT-FT) AFTER MIDNIGHT.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....75-78.
MIN HUMIDITY........22-24 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH MAINLY FROM THE SOUTH
                    BECOMING WEST 11 TO 13 MPH BY 1100 WITH A FEW GUSTS
                    TO AROUND 25 MPH IN THE AFTERNOON. WINDS BECOMING WEST
                    NORTHWEST AT THE SAME SPEEDS BY 1600. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE WEST IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CWR.................12 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3400-4400 FT AGL INCREASING TO 7100-8100 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 17 MPH SHIFTING TO THE WEST 17
                    TO 24 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD (63000 KNOT-FT) INCREASING TO VERY GOOD
                    (138400 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...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.
.FRIDAY...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.

$$

FORECASTER...LIPSON
REQUESTED BY...DWAYNE GIBBONS
REASON FOR REQUEST...WILDFIRE
.TAG 20100726.COALF.01/RIW