Weather Alert in California
Winter Storm Warning issued March 30 at 1:57PM PDT until March 31 at 11:00PM PDT by NWS Reno NV
AREAS AFFECTED: Greater Lake Tahoe Area; Greater Lake Tahoe Area
DESCRIPTION: * WHAT...For the Winter Storm Warning, heavy snow. Snow accumulations between 1 to 2 feet above 6500 feet with snow accumulations between 6 to 12 inches below 6500 feet. Locally higher snowfall amounts up to 3 feet possible at the highest elevations. Ridge winds gusting as high as 100 mph. Lake Tahoe winds gusting up to 40 mph with waves of 2 to 3 feet. For the Winter Weather Advisory, snow. Snow accumulations between 4 and 11 inches below 6500 feet. Locally higher amounts up to 15 inches in the highest elevations. Winds gusting as high as 45 mph. * WHERE...Greater Lake Tahoe Area. * WHEN...For the Winter Storm Warning, from 5 PM this afternoon to 11 PM PDT Monday. For the Winter Weather Advisory, from 5 AM to 11 PM PDT Tuesday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes. Strong winds could cause damage to trees and power lines.
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. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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 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.
Next Topic: Sleet
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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