Suppression Forecast
Issued by NWS Riverton, WY

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
000
FNUS75 KRIW 190405
FWSRIW

Spot Forecast for June...USFS
National Weather Service Riverton WY
1005 PM MDT Tue Jul 18 2017

Forecast is based on request time of 2300 MDT on July 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry conditions are expected tonight with terrain driven winds.
Wednesday will be slightly warmer but with only an isolated shower or
storm being possible and only up to a 10 percent chance. Ambient winds,
when mixed out, may only gust to between 15 and 20 mph in mid afternoon.
Best chances for any for significant rainfall will arrive late Thursday
afternoon and evening as the monsoon pushes better moisture back into the
area.

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

FORECASTER...Troutman

.REST OF TONIGHT...

Sky/weather.........Clear (5-15 percent).
Min temperature.....54-57.
Max humidity........43-46 percent.
20-foot winds.......Downslope/downvalley 4-7 mph.
Ridge top winds.....Southwest 10 to 15 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Mixing height.......9800 ft AGL until 2400, then 500 FT AGL.
Transport winds.....Southwest 13 to 17 mph.
Smoke dispersal.....Excellent decreasing to poor after midnight.

.WEDNESDAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....81-84.
Min humidity........14-17 percent.
20-foot winds.......Upslope/upvalley 5-9 mph becoming west around
                    10 mph late in the afternoon. Gusts up to 15
                    mph.
Ridge top winds.....West 15 to 20 mph.
LAL.................No Tstms.
Chc of wetting rain.Zero percent.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.
Mixing height.......3900 ft AGL until 1200, then 13700 ft AGL.
Transport winds.....West 14 to 15 mph shifting to the southwest 22
                    to 26 mph in the afternoon.
Smoke dispersal.....Good increasing to excellent in the afternoon.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...
Mostly clear. Lows in the mid 50s. Winds generally less than
10 mph.
.THURSDAY...
Mostly clear. Lows in the mid 50s. Highs in the lower 80s. Winds
generally less than 10 mph.
.FRIDAY...
Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
Winds generally less than 10 mph.
.SATURDAY...
Mostly clear. Lows in the upper 40s. Highs in the upper 70s.
Winds generally less than 10 mph.
.SUNDAY...
Mostly clear. Isolated showers and thunderstorms. Lows in the
upper 40s. Highs in the mid 70s. Winds generally less than
10 mph.

$$
Forecaster...Troutman
Requested by...IC (Clark)
Type of request...WILDFIRE
.TAG 1712980.0/RIW
.EMAIL codydispatch@gmail.com


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