FNUS75 KRIW 240540
FWSRIW

SPOT FORECAST FOR BULL...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
1140 PM MDT FRI JUL 23 2010

FORECAST IS BASED ON REQUEST TIME OF 2310 MDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRY WESTERLY FLOW ALOFT WILL PREVAIL OVER THE WEEKEND
ALONG WITH MAINLY LIGHT DIURNALLY DRIVEN MOUNTAIN VALLEY WINDFLOWS...WITH
WESTERLY WINDS MIXING OUT IN THE AFTERNOONS.


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

FORECASTER...MEUNIER

B.SATURDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....69-72.
MIN HUMIDITY........23-26 PERCENT.
WIND (20 FT)........UPSLOPE EAST TO SOUTHEAST 4 TO 7 MPH IN THE MORNING...
                    BECOMING WEST SOUTHWEST 5 TO 10 MPH BETWEEN NOON AND
                    1400.
RIDGE TOP WINDS.....SOUTHEAST 5 TO 10 MPH IN THE MORNING...BECOMING WEST
                    SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5400 FT AGL INCREASING TO 7800-8800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST TO SOUTH 5 TO 10 MPH IN THE MORNING BECOMING
                    WEST SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD TO VERY GOOD (65800-104100 KNOT-FT).

.SATURDAY NIGHT...
SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....45-48.
MAX HUMIDITY........59-62 PERCENT.
WIND (20 FT)........WEST SOUTHWEST OR DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH SHIFTING TO THE NORTHWEST
                    LATE IN THE EVENING...THEN SHIFTING TO THE EAST
                    AFTER MIDNIGHT.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4800-5800 FT AGL DECREASING TO 1500-2000 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST TO NORTHWEST AROUND 10 MPH IN THE EVENING...
                    BECOMING SOUTH TO SOUTHEAST AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (20300-59900 KNOT-FT).

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....71-74.
MIN HUMIDITY........21-24 PERCENT.
WIND (20 FT)........SOUTHEAST 4 TO 7 MPH IN THE MORNING BECOMING WEST
                    AROUND 10 MPH WITH GUSTS 15 TO 20 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH TO SOUTHEAST 5 TO 10 MPH IN THE MORNING...BECOMING
                    WEST SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5300-6300 FT AGL INCREASING TO 9500-10000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (65200 KNOT-FT) INCREASING TO VERY GOOD
                    (130400 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS AROUND 50. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CHRIS VERO
REASON FOR REQUEST...WILDFIRE
.TAG 20100723.BULL_.01/RIW