FNUS75 KRIW 011942
FWSRIW

SPOT FORECAST FOR WEST SLOPE RX...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
142 PM MDT THU APR 1 2010

FORECAST IS BASED ON IGNITION TIME OF 1305 MDT ON APRIL 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT FRIDAY...

.DISCUSSION...A LOW PRESSURE CENTER WILL BE TRACKING NORTHEAST ACROSS WYOMING
TODAY AND WILL PRODUCE INTERMITTENT SNOWFALL MAINLY THIS EVENING ACROSS THE AREA.
DRIER WEATHER WILL ENSUE FRIDAY AS A WESTERLY FLOW ALOFT REESTABLISHES ITSELF.
THE NEXT UPSTREAM WEATHER SYSTEM WILL PROVIDE A CHANCE OF SNOW SATURDAY.
A MORE POTENT SNOW EVENT IS SLATED FOR EARLY NEXT WEEK.

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

FORECASTER...LIPSON

.TONIGHT...
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW IN THE
                    EVENING...THEN CHANCE OF SNOW AFTER MIDNIGHT.
MIN TEMPERATURE.....23-26.
MAX HUMIDITY........78-81 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
                    AROUND 30 MPH UNTIL EARLY MORNING THEN DECREASING
                    TO 10 MPH.
RIDGE TOP WINDS.....NORTH WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH TOWARD
                    MORNING.
LAL.................1.
CWR.................60 PERCENT.
HAINES INDEX........3.
MIXING HEIGHT.......300 FEET AGL.
TRANSPORT WINDS.....NORTH 15 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    SNOW IN THE MORNING.
MAX TEMPERATURE.....AROUND 49 AT 4700 FEET AND 43 AT 6000 FEET.
MIN HUMIDITY........26 PERCENT AT 4700 FEET AND 31 PERCENT AT 6000 FEET.
WIND (20 FT)........NORTHWEST 10 TO 15 MPH BECOMING LIGHT AND VARIABLE
                    BY 0900. WINDS BECOMING SOUTHWEST 10 TO 15 MPH
                    BY 1330.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH BECOMING LIGHT AND VARIABLE
                    BY 0900. WINDS BECOMING SOUTH 10 TO 15 MPH
                    BY 1330.
LAL.................1.
CWR.................10 PERCENT IN THE MORNING. THEN ZERO PERCENT.
HAINES INDEX........4.
MIXING HEIGHT.......5000 FEET.
TRANSPORT WINDS.....NORTH NORTHEAST 25 MPH BECOMING LIGHT AND VARIABLE
                    BY 0900 THEN SOUTHWEST 20 MPH BY 1330.
SMOKE DISPERSAL.....VERY GOOD.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTH WINDS
AROUND 14 MPH.
.SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE LOWER
20S. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS AROUND 30. HIGHS AROUND 40. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST WINDS
AROUND 11 MPH.
.TUESDAY...COLDER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 30S. NORTHWEST
WINDS AROUND 12 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20100401.WESTS.02/RIW