Weather Alert in Washington
Air Quality Alert issued September 5 at 11:32AM PDT by NWS Pendleton OR
AREAS AFFECTED: Benton, WA; Columbia, WA; Franklin, WA; Kittitas, WA; Klickitat, WA; Walla Walla, WA; Yakima, WA
DESCRIPTION: The Washington State Department of Ecology and/or the Yakima Regional Clean Air Agency has issued an Air Quality Alert.. until 11 PM PDT Monday. A Smoke Air Quality Alert has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. Information about air quality from the Washington Department of Ecology Web site is available at http://www.ecy.wa.gov/air.html or call 360-407-6000.Information about air quality is on the Yakima Regional Clean Air Agency Web site at http://www.yakimacleanair.org or call 509-834-2050.
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Weather Topic: What is Hail?
Home - Education - Precipitation - Hail
Next Topic: Hole Punch Clouds
Hail is a form of precipitation which is recognized by large solid balls or
clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind.
As the hailstones remain in the updraft, ice is deposited onto them until their
weight becomes heavy enough for them to fall to the earth's surface.
Hail storms can cause significant damage to crops, aircrafts, and man-made structures,
despite the fact that the duration is usually less than ten minutes.
Next Topic: Hole Punch Clouds
Weather Topic: What are Mammatus Clouds?
Home - Education - Cloud Types - Mammatus Clouds
Next Topic: Nimbostratus Clouds
A mammatus cloud is a cloud with a unique feature which resembles
a web of pouches hanging along the base of the cloud.
In the United States, mammatus clouds tend to form in the warmer months, commonly
in the Midwest and eastern regions.
While they usually form at the bottom of a cumulonimbis cloud, they can also form
under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds
warn that severe weather is close.
Next Topic: Nimbostratus Clouds
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