Suppression Forecast
Issued by NWS Billings, MT

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000
FNUS75 KBYZ 221120
FWSBYZ

Spot Forecast for Durham Meadows...USFS
National Weather Service Billings MT
520 AM MDT Tue May 22 2018

Forecast is based on ignition time of 1000 MDT on May 22. If
conditions become unrepresentative...contact the National Weather
Service.

Please contact our office if you have questions or concerns with
this forecast.

.DISCUSSION...
Expect periods of showers and thunderstorms at the burn site from
this afternoon through Wednesday. Precipitation exceeding a half
inch is possible, with the heaviest rain expected to occur
Wednesday morning. Winds will overall be light and northerly (up
canyon), with the exception of some erratic gusts near
thunderstorm activity. Humidity will remain elevated through the
period. JKL

.REST OF TODAY...

Sky/weather.........Partly sunny early then increasing afternoon
                    clouds. Isolated showers beginning around noon.
                    Scattered showers and thunderstorms after 2 pm.
                    Erratic wind gusts possible near storms.
Max temperature.....60-65.
Min humidity........55-60 percent.
Wind (20 ft)........
 Slope/valley.......North 5-10 mph.
 Ridgetop...........Northeast 5-15 mph.
Mixing height.......7000 ft AGL in the afternoon.
Transport winds.....Northeast 8 mph.
Haines index........3.
CWR.................40 percent.

.TONIGHT...

Sky/weather.........Mostly cloudy. Scattered showers and
                    thunderstorms in the evening. Numerous
                    showers with isolated thunderstorms overnight.
                    Erratic wind gusts possible near storms.
Min temperature.....41-46.
Max humidity........Above 90 percent.
Wind (20 ft)........
 Slope/valley.......North 5-10 mph until sunset, then variable
                    3-6 mph.
 Ridgetop...........East 5-15 mph.
Mixing height.......Decreasing to 1000 ft AGL.
Transport winds.....Northeast 8 mph.
CWR.................50 percent.

.WEDNESDAY...

Sky/weather.........Cloudy with showers. A few afternoon
                    thunderstorms. Erratic wind gusts possible
                    near storms.
Max temperature.....57-62.
Min humidity........60-70 percent.
Wind (20 ft)........
 Slope/valley.......Variable 4-8 mph.
 Ridgetop...........North 5-10 mph in the morning, becoming west
                    10-15 mph in the afternoon.
Mixing height.......Increasing to 4500 ft AGL.
Transport winds.....Light and variable early, then northwest 12 mph.
Haines index........2.
CWR.................90 percent.

$$
Forecaster...Lester
Requested by...James Ray
Type of request...PRESCRIBED
.TAG 1810431.0/BYZ
.DELDT 05/22/18
.EMAIL jray@fs.fed.us


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