Weather Alert in Washington
Flood Warning issued March 20 at 2:35PM PDT until March 21 at 3:15PM PDT by NWS Seattle WA
AREAS AFFECTED: Snohomish, WA
DESCRIPTION: ...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Washington... Stillaguamish River At Arlington affecting Snohomish County. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Stillaguamish River at Arlington. * WHEN...Until tomorrow afternoon. * IMPACTS...At 17.0 feet, the Stillaguamish River will cause flooding mainly in the Silvana area, along Norman Road and in Florence. A stage of 17 feet on the Stillaguamish River corresponds roughly to Phase 3 in the Snohomish County Flood program. * ADDITIONAL DETAILS... - At 2:25 PM PDT Friday the stage was 16.8 feet. - Flood stage is 14.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:25 PM PDT Friday was 16.9 feet. - Forecast...The river is expected to rise below flood stage late tonight and continue falling to 18.0 feet late tonight. - Flood History...This crest compares to a previous crest of 17.9 feet on 12/28/1949. - http://www.weather.gov/safety/flood
INSTRUCTION: 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 this evening at 1100 PM PDT.
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Weather Topic: What is Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
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