Weather Alert in California
Winter Storm Watch issued February 13 at 11:42PM PST until February 18 at 10:00PM PST by NWS Las Vegas NV
AREAS AFFECTED: Eastern Sierra Slopes of Inyo County
DESCRIPTION: * WHAT...Heavy snow possible. Total snow accumulations exceeding 3 feet above 8000 feet...1.5 to 2.5 feet above 7000 feet...and 8 to 16 inches down to 6000 feet. Winds could gust as high as 55 mph. * WHERE...Eastern Sierra Slopes. * WHEN...From late Sunday night through Wednesday evening. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. Travel could be very difficult to impossible. Widespread blowing snow could significantly reduce visibility. Strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...The highest snowfall rates will be from Monday afternoon through Tuesday evening.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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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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