Weather Alert in Washington
Flood Warning issued March 12 at 12:01AM PDT by NWS Seattle WA
AREAS AFFECTED: Mason, WA
DESCRIPTION: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Skokomish River At Potlatch affecting Mason County. .Heavy precipitation over the south slopes of the Olympics Wednesday will cause the Skokomish river to rise above flood stage Thursday morning. The river will drop below flood stage later Thursday. Precipitation early next week could cause additional flooding on the river. * WHAT...Minor flooding is forecast. * WHERE...Skokomish River at Potlatch. * WHEN...From late tonight until further notice. * IMPACTS...At 16.5 feet, the Skokomish River will cause widespread flooding of pasture lands, with water flowing quickly over West Bourgault Road and Skokomish Valley Road. * ADDITIONAL DETAILS... - At 11:30 PM PDT Wednesday the stage was 16.1 feet. - Flood stage is 16.5 feet. - Forecast...The river will rise to flood stage late tonight and crest around 16.8 feet Thursday morning. It will then fall back down below flood stage later Thursday afternoon or Thursday evening. The river could rise above flood stage again early next week. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued by this morning at 815 AM PDT.
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Weather Topic: What are Cirrus Clouds?
Home - Education - Cloud Types - Cirrus Clouds
Next Topic: Condensation
Cirrus clouds are high-level clouds that occur above 20,000 feet
and are composed mainly of ice crystals.
They are thin and wispy in appearance.
What do they indicate?
They are often the first sign of an approaching storm.
Next Topic: Condensation
Weather Topic: What are Contrails?
Home - Education - Cloud Types - Contrails
Next Topic: Cumulonimbus Clouds
A contrail is an artificial cloud, created by the passing of an
aircraft.
Contrails form because water vapor in the exhaust of aircraft engines is suspended
in the air under certain temperatures and humidity conditions. These contrails
are called exhaust contrails.
Another type of contrail can form due to a temporary reduction in air pressure
moving over the plane's surface, causing condensation.
These are called aerodynamic contrails.
When you can see your breath on a cold day, it is also because of condensation.
The reason contrails last longer than the condensation from your breath is
because the water in contrails freezes into ice particles.
Next Topic: Cumulonimbus Clouds
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