Weather Alert in Washington
Flood Warning issued March 23 at 10:16AM PDT until March 24 at 9:35AM PDT by NWS Pendleton OR
AREAS AFFECTED: Benton, WA
DESCRIPTION: ...The Flood Warning is extended for the following rivers in Washington... Yakima River at Kiona affecting Benton County. For the Yakima River...including Kiona...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Yakima River at Kiona. * WHEN...Until late tomorrow morning. * IMPACTS...At 13.0 feet, There will be minor flooding of pastures and roads adjacent to the river...especially in low lying areas of West Richland. * ADDITIONAL DETAILS... - At 9:30 AM PDT Monday the stage was 13.3 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:30 AM PDT Monday was 13.4 feet. - Forecast...The river will fall below flood stage late tonight to 11.0 feet late Thursday morning. It will then rise to 11.2 feet late Friday morning. It will fall to 9.0 feet Tuesday, March 31 then rise again. - Flood stage is 13.0 feet. - Flood History...This crest compares to a previous crest of 13.3 feet on 04/03/2011. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov/pdt.
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Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
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Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds
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