Suppression Forecast
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8

455
FNUS75 KRIW 190957
FWSRIW

Spot Forecast for Burnt Lake SAR...Sublette Co.
National Weather Service Riverton WY
257 AM MST Sun Nov 19 2017

Forecast is based on incident time of 0300 MST on November 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Northwest flow aloft of 20 to 35 kts today will increase overnight
and into/through Monday to 40 to 60 kts. Surface winds will remain light
this morning, increasing out of the west to northwest into the mid teens
(mph) with afternoon gusts of 20 to 25 mph possible. Winds, however will
increase more dramatically later tonight and through the day on Monday...
gusting out of the west to northwest 25 to 45 mph at times. Precipitation
is not expected to arrive across the area until Monday afternoon and at
8000-8500 feet will come as snow...totaling 1 to 3 inches by Tuesday
morning. Lingering light snow or flurries with little/no additional
accumulation will be possible through the rest of the day Tuesday.

...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...

FORECASTER...Braun

.REST OF TONIGHT...

Sky/weather.........Mostly clear (5-25 percent).
Min temperature.....0-5.
Max humidity........67-72 percent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....North around 5 mph.
Chc of wetting rain.Zero percent.
Mixing height.......500-1100 ft AGL.

.SUNDAY...

Sky/weather.........Sunny (5-15 percent).
Max temperature.....32-37.
Min humidity........29-34 percent.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph...
                    becoming west to northwest 12 to 18 mph with
                    some gusts to 25 mph in the afternoon.
Ridge top winds.....Light and variable winds early becoming west
                    to northwest 15 to 20 mph in the late morning
                    and afternoon.
Chc of wetting rain.Zero percent.
Mixing height.......1400-2400 ft AGL.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...
Mostly clear with increasing clouds late. Lows 10 to 15.
Northwest winds around 12 mph.
.MONDAY...
Cloudy with chance of snow in the afternoon (1-3 inches). Lows around
15. Highs in the low to mid 30s. Winds northwest 15 to 30 mph with
gusts 35 to 45 mph in the afternoon...higher near ridge top level
and decreasing by Monday evening.
.TUESDAY...
Mostly cloudy with a slight chance of snow. Lows 15 to 20.
Highs in the upper 30s to near 40. Winds generally less than
10 mph.
.WEDNESDAY...
Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s. Winds
generally 9 to 15 mph.
.THANKSGIVING DAY...
Partly cloudy. Lows in the lower 30s. Highs in the upper 40s.
Winds generally less than 12 mph.

$$
Forecaster...Braun
Requested by...Jim Mitchell
Type of request...SAR
.TAG 1718990.0/RIW
.EMAIL jmitchell@subso.com



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.