FNUS75 KRIW 031203
FWSRIW

SPOT FORECAST FOR ALPINE LAKE...BIA WRA
NATIONAL WEATHER SERVICE RIVERTON WY
603 AM MDT WED OCT 3 2012

FORECAST IS BASED ON REQUEST TIME OF 1902 MDT ON OCTOBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...STRONG WEST WIND CONTINUE THROUGH LATE MORNING AHEAD
OF A COLD FRONT. THE COLD FRONT WILL PUSH INTO THE EAST SLOPES AND
UP CANYON AROUND NOON WITH THE FRONT GRADUALLY DEEPENING UP TO THE
DIVIDE BY LATE AFTERNOON. TEMPERATURES WILL FALL INTO THE 20S IN
THE AFTERNOON WITH LOW CLOUDS AND AREAS OF LIGHT SNOW DEVELOPING.
ANY SNOW ACCUMULATIONS WILL REMAIN LIGHT...AN INCH OR LESS.
UNSEASONABLY COLD WEATHER WILL REMAIN OVER THE AREA THROUGH
FRIDAY. A REINFORCING SHOT OF COLD AIR WILL ARRIVE THURSDAY
EVENING WITH ALONG WITH THE POTENTIAL FOR A FEW INCHES OF SNOW
THROUGH FRIDAY.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING.  BECOMING MOSTLY CLOUDY
                    IN THE AFTERNOON WITH AREAS OF LIGHT SNOW OR FLURRIES.
                    AN INCH OR LESS OF SNOW ACCUMULATION.
MAX TEMPERATURE.....NEAR 38-45 IN THE MORNING...FALLING INTO THE 20S
                    IN THE AFTERNOON.
MIN HUMIDITY........NEAR 15 PERCENT IN THE MORNING... INCREASING
                    THROUGH THE AFTERNOON TO NEAR 60 PERCENT.

20 FOOT WINDS.......WEST WIND 20 TO 30 MPH WITH GUSTS NEAR 45 MPH EARLY MORNING
                    DECREASING LATE MORNING AND BECOMING UP CANYON / UPSLOPE
                    10 TO 20 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 40 TO 50 MPH EARLY MORNING...THEN DECREASING TO 10 TO
                    20 MPH BY NOON...SHIFTING TO THE NORTH LATE IN
                    THE AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.20 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......4000-5000 FT AGL IN THE MORNING...DECREASING TO
                    2000-3000 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST NEAR 40 MPH EARLY MORNING...DECREASING TO NEAR
                    20 MPH EARLY AFTERNOON...BECOMING NORTH 5 TO 10 MPH IN
                    THE LATE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD IN THE MORNING...BECOMING POOR IN THE LATE
                    AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). AREAS OF LIGHT SNOW OR
                    FLURRIES...MAINLY IN THE EVENING.
MIN TEMPERATURE.....21-25.
MAX HUMIDITY........89-92 PERCENT.

20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING SOUTHEAST
                    AROUND 8 MPH EARLY IN THE MORNING. GUSTS UP TO
                    15 MPH.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST AFTER
                    MIDNIGHT...THEN SHIFTING TO THE SOUTHEAST EARLY
                    IN THE MORNING.

LAL.................1.
CHC OF WETTING RAIN.17 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......2400-3400 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH UNTIL EARLY MORNING BECOMING
                    LIGHT AND VARIABLE.
SMOKE DISPERSAL.....POOR (9500-24200 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). OCCASIONAL
                    FLURRIES IN THE MORNING.
MAX TEMPERATURE.....35-39.
MIN HUMIDITY........40-49 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE NORTH
                    LATE IN THE MORNING...THEN SHIFTING TO THE
                    NORTHEAST IN THE AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

MIXING HEIGHT.......2600-3600 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR (10000-22100 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLOUDY. OCCASIONAL FLURRIES OR INTERMITTENT
SPRINKLES IN THE EVENING...THEN SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...CLOUDY WITH CHANCE OF SNOW. LOWS IN THE LOWER 20S.
HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID
30S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...NOT AS COOL. MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CAL ANACKER
REASON FOR REQUEST...WILDFIRE
.TAG 20121002.ALPIN.01/RIW