Weather Alert in California
Winter Weather Advisory issued April 25 at 1:22AM PDT until April 27 at 11:00AM PDT by NWS Reno NV
AREAS AFFECTED: Greater Lake Tahoe Area; Greater Lake Tahoe Area
DESCRIPTION: * WHAT...Snow. Snow accumulations of 3 to 6 inches above 7000 feet with up to 10 inches along the highest peaks. 1 to 3 inches at lake level. Ridge winds gusts up to 60 mph. * WHERE...Greater Lake Tahoe Area. * WHEN...From 5 PM this afternoon to 11 AM PDT Sunday. * IMPACTS...Travel could be difficult at times. The hazardous conditions could impact the Friday evening commute and weekend travel, especially across Sierra passes. * ADDITIONAL DETAILS...Heaviest snowfall expected Friday night and Saturday morning. Snow will struggle to accumulate on roadways during the daytime hours, though isolated heavy snow showers may bring greater accumulations Saturday afternoon.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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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