Weather Alert in California

Recent Locations: San Fernando, CA  

Lake Wind Advisory issued July 20 at 1:46AM PDT until July 20 at 11:00PM PDT by NWS Reno NV

AREAS AFFECTED: Greater Lake Tahoe Area; Greater Lake Tahoe Area; Western Nevada Basin and Range including Pyramid Lake

DESCRIPTION: * WHAT...For the first Lake Wind Advisory, west winds 15 to 20 mph with gusts up to 30 mph and wave heights of 1 to 3 feet on Lake Tahoe and Pyramid Lake. For the second Lake Wind Advisory, west winds 20 to 25 mph with gusts up to 35 mph and wave heights of 1 to 3 feet on Lake Tahoe and Pyramid Lake. * WHERE...Greater Lake Tahoe Area, and Western Nevada Basin and Range including Pyramid Lake. * WHEN...For the first Lake Wind Advisory, from 2 PM this afternoon to 11 PM PDT this evening. For the second Lake Wind Advisory, from 11 AM to 11 PM PDT Monday. * IMPACTS...Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

INSTRUCTION: Check lake conditions before heading out and be prepared for a sudden increase in winds and wave heights. Consider postponing boating activities on the lake until a day with less wind.

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Weather Topic: What are Stratus Clouds?

Home - Education - Cloud Types - Stratus Clouds

Stratus Clouds Next Topic: Wall Clouds

Stratus clouds are similar to altostratus clouds, but form at a lower altitude and are identified by their fog-like appearance, lacking the distinguishing features of most clouds.

Stratus clouds are wider than most clouds, and their base has a smooth, uniform look which is lighter in color than a nimbostratus cloud. The presence of a stratus cloud indicates the possibility of minor precipitation, such as drizzle, but heavier precipitation does not typically arrive in the form of a stratus cloud.

Next Topic: Wall Clouds

Weather Topic: What are Altocumulus Clouds?

Home - Education - Cloud Types - Altocumulus Clouds

Altocumulus Clouds Next Topic: Altostratus Clouds

Similar to cirrocumulus clouds, altocumulus clouds are characterized by cloud patches. They are distinguished by larger cloudlets than cirrocumulus clouds but are still smaller than stratocumulus clouds.

Altocumulus clouds most commonly form in middle altitudes (between 2 and 5 km) and may resemble, at times, the shape of a flying saucer. These uncommon formations, called altocumulus lenticularis, are created by uplift in the atmosphere and are most often seen in close proximity to mountains.

Next Topic: Altostratus Clouds

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