Weather Alert in Washington
Flood Warning issued March 19 at 6:38PM PDT until March 22 at 1:39AM PDT by NWS Seattle WA
AREAS AFFECTED: King, WA
DESCRIPTION: ...The Flood Warning continues for the following rivers in Washington... Snohomish River At Snohomish affecting Snohomish County. ...The Flood Warning is extended for the following rivers in Washington... Snoqualmie River Near Carnation affecting King County. * WHAT...Moderate flooding is occurring and near moderate flooding is forecast. * WHERE...Snoqualmie River near Carnation. * WHEN...Until early Sunday morning. * IMPACTS...At 56.0 feet, the Snoqualmie River will cause widespread flooding from Fall City downstream through Carnation and Duvall... inundating much of the farm land and numerous roads. * ADDITIONAL DETAILS... - At 5:15 PM PDT Thursday the stage was 56.3 feet. - Flood stage is 54.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:15 PM PDT Thursday was 56.7 feet. - Forecast...The river is expected to remain near moderate flood stage through early Saturday morning before falling below flood stage early Saturday afternoon and continue falling to 49.3 feet Sunday afternoon. - http://www.weather.gov/safety/flood
INSTRUCTION: Caution is urged when walking near riverbanks. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at 245 AM PDT.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
Weather Topic: What is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
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