FNUS75 KRIW 251940
FWSRIW

SPOT FORECAST FOR ALPINE LAKE...BIA WRA
NATIONAL WEATHER SERVICE RIVERTON WY
140 PM MDT SAT AUG 25 2012

FORECAST IS BASED ON REQUEST TIME OF 1308 MDT ON AUGUST 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...
WARM...VERY DRY AND BREEZY CONDITIONS WILL CONTINUE WITH CRITICAL
FIRE WEATHER CONDITIONS THIS AFTERNOON AND EVENING. RECOVERY
TONIGHT WILL BE MINIMAL WITH HUMIDITY VALUES IN THE MIDDLE 30S...HOWEVER
WINDS WILL DIE DOWN BEFORE MIDNIGHT TONIGHT. ON SUNDAY...THERE IS
A CHANCE FOR ISOLATED SHOWERS AND THUNDERSTORMS TO DEVELOP OVER
THE AREA. GUSTY WINDS UP TO 45 MPH AND LIGHTNING WILL BE THE MAIN
HAZARDS SHOULD ANY STORMS FORM.


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

FORECASTER...LAVOIE

.TODAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 70 BELOW 9500 FT...60-65 ABOVE 9500 FT.
MIN HUMIDITY........7-11 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
                    AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 35 TO 45 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 7000-8000 FT AGL BY 1500.
TRANSPORT WINDS.....SOUTHWEST 40 TO 50 MPH.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT BY 1500.

.TONIGHT...
SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....43-46 BELOW 9500 FT...47-51 ABOVE 9500 FT.
MAX HUMIDITY........34-37 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH
                    DECREASING TO 25 MPH BY 2200.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH DECREASING TO AROUND 15 MPH
                    BY 0200.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5300-6300 FT AGL DECREASING TO 1700-2200 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT). ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....69-72 BELOW 9500 FT...64-68 ABOVE 9500 FT.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25
                    MPH INCREASING TO 30 MPH BY 1500.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 FT AGL INCREASING TO 8000-9000 FT AGL
                    BY 1500.
TRANSPORT WINDS.....SOUTHWEST 22 TO 26 MPH.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT BY 1500.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS
IN THE EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. WEST WINDS AROUND 11 MPH.

$$

FORECASTER...LAVOIE
REQUESTED BY...CAL ANACKER
REASON FOR REQUEST...WILDFIRE
.TAG 20120825.ALPIN.01/RIW