FNUS75 KRIW 040919
FWSRIW

SPOT FORECAST FOR LOWER GROS VENTRE RX...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
319 AM MDT MON OCT 4 2010

FORECAST IS BASED ON IGNITION TIME OF 1750 MDT ON OCTOBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE THAT HAS BROUGHT UNSEASONABLY
WARM AND DRY WEATHER TO THE AREA WILL CONTINUE TO SLIDE EAST INTO
THE PLAINS TODAY.  A PACIFIC STORM SYSTEM DIVING DOWN THE WEST
COAST WILL GET CUTOFF OVER SOUTHERN CALIFORNIA BY TUESDAY...EVENTUALLY
LIFTING OUT ACROSS THE CENTRAL ROCKIES FRIDAY AND SATURDAY.  A MOIST
AND COOLER SOUTHERLY FLOW WILL PREVAIL AHEAD OF THIS SYSTEM ALONG WITH
MAINLY SPOTTY SHOWERS AND POSSIBLY AN ISOLATED THUNDERSTORM MONDAY
AND TUESDAY.  HOWEVER...THE LIKELIHOOD OF RECEIVING A WETTING RAIN
REMAINS SLIM.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). ISOLATED RAIN SHOWERS
                    THROUGH THE DAY WITH A THUNDERSTORM POSSIBLE
                    IN THE AFTERNOON.
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........35-40 PERCENT.

20 FOOT WINDS.......EAST SOUTHEAST 4-7 MPH BECOMING SOUTH SOUTHWEST
                    8 TO 13 MPH WITH GUST TO 20 MPH AROUND NOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH BECOMING SOUTHWEST 20 TO 25 MPH
                    IN THE AFTERNOON.

LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.8 PERCENT.

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......1200-2200 FT AGL INCREASING TO 4100-5100 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 15 MPH IN THE MORNING...INCREASING TO
                    AROUND 25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS
                    THROUGH THE NIGHT.  AN ISOLATED THUNDERSTORM
                    POSSIBLE THROUGH DUSK.
MIN TEMPERATURE.....43-46.
MAX HUMIDITY........74-77 PERCENT.

20 FOOT WINDS.......BECOMING EAST SOUTHEAST 5-8 MPH AT SUNSET.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH DECREASING TO AROUND 10 MPH
                    EARLY IN THE MORNING.

LAL.................2 UNTIL 2000...THEN 1.
CHC OF WETTING RAIN.10 PERCENT.

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100-5100 FT AGL DECREASING TO 1200-2200 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD DECREASING TO POOR AFTER MIDNIGHT.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). ISOLATED RAIN
                    SHOWERS.
MAX TEMPERATURE.....57-63.
MIN HUMIDITY........42-46 PERCENT.

20 FOOT WINDS.......EAST SOUTHEAST 4-7 MPH IN THE MORNING BECOMING SOUTH
                    SOUTHWEST 5-9 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.

LAL.................1.
CHC OF WETTING RAIN.6 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......1800-2800 FT AGL INCREASING TO 6000-7000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR IN THE MORNING...INCREASING TO GOOD IN THE
                    AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE
LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN
10 MPH.

.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
AROUND 40. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN
10 MPH.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...BURN BOSS
REASON FOR REQUEST...PRESCRIBED
.TAG 20101003.LOWER.01/RIW