FNUS75 KRIW 301118
FWSRIW

SPOT FORECAST FOR ALPINE LAKE...BIA
NATIONAL WEATHER SERVICE RIVERTON WY
518 AM MDT SUN SEP 30 2012

FORECAST IS BASED ON REQUEST TIME OF 1838 MDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER TODAY WITH WINDY CONDITIONS AT THE
HIGHER ELEVATIONS. DRY TONIGHT WITH WIND DECREASING. MONDAY
LOOKS DRY AND WARMER WITH LESS WIND ALL ELEVATIONS. TUESDAY
WILL BE DRY AND WINDY WITH MILD TEMPERATURES AND LOW RELATIVE
HUMIDITY. WEDNESDAY WILL SEE A CHANGE TO COLDER WEATHER WITH
A CHANCE OF RAIN IN THE AFTERNOON...CHANGING TO SNOW WEDNESDAY
EVENING.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY.

MAX TEMPERATURE.....45-50 AT 10000 FEET.
                    60-65 AT 7500 FEET.

MIN HUMIDITY........30-35 PERCENT AT 10000 FEET.
                    25-30 PERCENT AT 7500 FEET.

20 FOOT WINDS.......NORTHWEST WIND 8 TO 12 MPH WITH GUSTS
                    AROUND 15 MPH.

RIDGE TOP WINDS.....NORTHWEST WIND AT 20 TO 25 MPH WITH GUSTS
                    30 TO 35 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5000-6000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....BECOMING GOOD BY 1200...THEN VERY GOOD BY 1400.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.

MIN TEMPERATURE.....35-40 AT 10000 FEET.
                    38-43 AT 7500 FEET.

MAX HUMIDITY........65-70 PERCENT AT 10000 FEET.
                    70-75 PERCENT AT 7500 FEET.

20 FOOT WINDS.......NORTHWEST AT 5 TO 10 MPH UNTIL 2000.
                    THEN NORTH TO NORTHEAST AT 4 TO 8 MPH.

RIDGE TOP WINDS.....NORTHWEST AT 15 TO 20 MPH UNTIL 2100.
                    THEN NORTH TO NORTHWEST AT 12 TO 17 MPH AFTER 2100.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTH TO NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 2000...THEN FAIR...THEN POOR AFTER
                    MIDNIGHT.

.MONDAY...
SKY/WEATHER.........MOSTLY SUNNY.

MAX TEMPERATURE.....50-55 AT 10000 FEET.
                    65-70 AT 7500 FEET.

MIN HUMIDITY........25-30 PERCENT AT 10000 FEET.
                    20-25 PERCENT AT 7500 FEET.

20 FOOT WINDS.......EAST TO SOUTHEAST AT 5 TO 10 MPH.

RIDGE TOP WINDS.....NORTH TO NORTHWEST AT 13 TO 18 MPH WITH GUSTS
                    20 TO 25 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 4500-5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH TO NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....BECOMING FAIR BY 1200...THEN GOOD BY 1400.

.FORECAST DAYS 3 THROUGH 5...

.MONDAY NIGHT...CLEAR. LOWS IN THE 40S.

WEST WIND 20 TO 30 MPH HIGHER ELEVATIONS
WEST WIND AROUND 10 MPH LOWER ELEVATIONS.

.TUESDAY...MOSTLY SUNNY. HIGHS IN THE UPPER 50S TO MID 60S.

WEST WIND 25 TO 35 MPH WITH GUSTS TO 45 MPH HIGHER ELEVATIONS.
WEST WIND 15 TO 20 MPH WITH GUSTS TO 30 MPH LOWER ELEVATIONS.

.WEDNESDAY...MOSTLY CLOUDY. RAIN DEVELOPING IN THE AFTERNOON
CHANGING TO SNOW AS SNOW LEVEL DROPS TO 7500 FEET BY EVENING.
HIGHS IN THE 40S...FALLING INTO THE 30S IN THE AFTERNOON.

NORTHWEST WIND 10 TO 20 MPH IN THE MORNING.
NORTH TO NORTHWEST WIND 10 TO 20 MPH IN THE AFTERNOON.

.WEDNESDAY NIGHT...CLOUDY WITH A CHANCE OF SNOW. LOWS IN THE 20S.
NORTH TO NORTHEAST WIND AROUND 10 MPH.

.THURSDAY...CLOUDY WITH SLIGHT CHANCE OF SNOW IN THE MORNING.
DECREASING CLOUDS IN THE AFTERNOON.  LOWS IN THE 20S.
HIGHS IN THE MID 30S TO LOWER 40S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...CAL ANACKER
REASON FOR REQUEST...WILDFIRE
.TAG 20120929.ALPIN.01/RIW