Weather Alert in Washington
Extreme Heat Warning issued September 1 at 11:40AM PDT until September 4 at 8:00PM PDT by NWS Spokane WA
AREAS AFFECTED: Wenatchee Area; Okanogan Valley
DESCRIPTION: * WHAT...For the Heat Advisory, high temperatures 92 to 99 degrees. For the Extreme Heat Warning, dangerously hot conditions with high temperatures 97 to 105 degrees. * WHERE...Oroville, Chelan, Brewster, Okanogan, Number 1 Canyon, Wenatchee, Omak, Nespelem, Pangborn Airport, Number 2 Canyon, Entiat, Cashmere, Bridgeport, Tonasket, and Disautel Pass. * WHEN...For the Heat Advisory, until 11 AM PDT Tuesday. For the Extreme Heat Warning, from 11 AM Tuesday to 8 PM PDT Thursday. * IMPACTS...Hot temperatures will increase the risk of heat-related illnesses. Heat Risk of this magnitude impacts almost everyone who does not have access to adequate cooling or hydration.
INSTRUCTION: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
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Weather Topic: What are Hole Punch Clouds?
Home - Education - Cloud Types - Hole Punch Clouds
Next Topic: Mammatus Clouds
A hole punch cloud is an unusual occurrence when a disk-shaped
hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.
When part of the cloud forms ice crystals, water droplets in the surrounding area
of the cloud evaporate. The effect of this process produces a large elliptical
gap in the cloud. The hole punch cloud formation is rare, but it is not specific
to any geographic area.
Other names which have been used to describe this phenomena include fallstreak hole,
skypunch, and cloud hole.
Next Topic: Mammatus Clouds
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
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