Weather Alert in Washington
Flood Warning issued March 19 at 8:11PM PDT until March 21 at 8:59AM PDT by NWS Seattle WA
AREAS AFFECTED: Snohomish, WA
DESCRIPTION: ...The National Weather Service in Seattle WA has issued a Flood Warning for the following rivers in Washington... Skykomish River Near Gold Bar affecting Snohomish County. * WHAT...Minor flooding is forecast. * WHERE...Skykomish River near Gold Bar. * WHEN...From late tonight to Saturday morning. * IMPACTS...At 15.0 feet, the Skykomish River will cause minor flooding of low pasture lands and low lying roads...including Index-Galena Rd and Tualco Loop Rd. A stage of 15 feet on the Skykomish River corresponds to a Phase 2 in the Snohomish County flood program. * ADDITIONAL DETAILS... - At 7:30 PM PDT Thursday the stage was 14.5 feet. - Flood stage is 15.0 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of 15.3 feet tomorrow afternoon. It will then fall below flood stage tomorrow evening. - Flood History...This crest compares to a previous crest of 15.2 feet on 11/01/1985. - 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. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued by late tonight at 415 AM PDT.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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