FNUS75 KRIW 181102
FWSRIW

SPOT FORECAST FOR WY 23-35-12...SUBLETTE CO EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
402 AM MST SUN NOV 18 2012

FORECAST IS BASED ON INCIDENT TIME OF 2141 MST ON NOVEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MST THIS
EVENING...

.DISCUSSION...A BAND OF HEAVIER PRECIPITATION WILL MOVE INTO THE
WYOMING/SALT RANGES FROM 0700-1100 THIS MORNING. FREEZING LEVELS WILL BE
NEAR 8KFT WITH SNOW LEVELS BETWEEN 7-7.5KFT THROUGH THE
MORNING...SO EXPECT MODERATE TO SEVERE ICING FOR ANY FLIGHT
OPERATIONS. MAINLY IFR CONDITIONS WILL PREVAIL OVER THE UPPER
GREEN RIVER BASIN THROUGH THE MORNING WITH THE MOUNTAINS MOSTLY
OBSCURED. A SURFACE COLD FRONT WILL PUSH THROUGH THIS
AFTERNOON...WITH SNOW LEVELS LOWERING TO THE VALLEY FLOORS OR
6.5KFT BY EVENING...FREEZING LEVEL NEAR 7KFT. OCCASIONAL LIGHT TO
MODERATE SNOW IS EXPECTED TO CONTINUE THROUGH THE
AFTERNOON...TAPERING OFF THROUGH THE EVENING. LOW CLOUDS AND
LINGERING SNOW SHOWERS WILL KEEP THE MOUNTAINS PARTIALLY OBSCURED
THROUGH MONDAY MORNING WITH SOME IMPROVEMENT IN THE AFTERNOON.

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW ABOVE 7000-7500 FEET WITH
                    RAIN OR A RAIN AND SNOW MIX BELOW.
MAX TEMPERATURE.....35 TO 40 AT 7000 FEET...30 TO 35 BETWEEN 7000 AND 9000 FEET.
MIN HUMIDITY........60-70 PERCENT BELOW 7000 FEET...85-95 PERCENT 8000-9000
                    FEET.
20 FOOT WINDS.......SOUTH WIND AT 5 TO 10 MPH ACROSS THE BASIN OR BELOW 8000
                    FEET.
RIDGE TOP WINDS.....WEST SOUTHWEST 20 TO 25 MPH.

.TONIGHT...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW TAPERING OFF THROUGH
                    THE EVENING. AREAS OF LIGHT SNOW LINGERING OVER
                    THE MOUNTAINS AFTER MIDNIGHT.  PATCHY VALLEY FOG.
MIN TEMPERATURE.....20-23.
MAX HUMIDITY........95-98 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE BELOW 8000 FEET.
RIDGE TOP WINDS.....WEST SOUTHWEST 20 TO 25 MPH.

.MONDAY...
SKY/WEATHER.........CLOUDY (80-90 PERCENT) OVER THE MOUNTAINS WITH
                    OCCASIONAL LIGHT SNOW...MAINLY IN THE MORNING.
                    PATCHY MORNING FOG IN THE BASIN OR BELOW 8000...OTHERWISE
                    BECOMING PARTLY CLOUDY LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....35-40 BELOW 8000 FEET.  30-35 FROM 8000-9000 FEET.
MIN HUMIDITY........NEAR 60 PERCENT.
20 FOOT WINDS.......BELOW 8000 FEET...LIGHT AND VARIABLE IN THE MORNING
                    BECOMING SOUTH SOUTHWEST 4 TO 8 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST SOUTHWEST 15 TO 20 MPH.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS IN THE
MID 20S. HIGHS IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.

.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 19.
HIGHS IN THE LOWER 30S. SOUTHWEST WINDS AROUND 12 MPH.

.THANKSGIVING DAY...PARTLY CLOUDY WITH CHANCE OF SNOW. LOWS
AROUND 18. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS AROUND 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...J MITCHELL
REASON FOR REQUEST...SAR
.TAG 20121117.WY233.01/RIW