Weather Alert in California

Recent Locations: Fresno, CA   Pittsburgh, PA   Anaheim, CA  
Current Alerts for Anaheim, CA: High Surf Advisory

Winter Weather Advisory issued February 7 at 11:07AM PST until February 11 at 4:00PM PST by NWS Reno NV

AREAS AFFECTED: Greater Lake Tahoe Area; Greater Lake Tahoe Area

DESCRIPTION: * WHAT...Snow. Snow accumulations of 10 to 18 inches above 7000 feet. At Lake Tahoe level, 4 to 6 inches, with 6 to 12 inches along and west of Highway 89. Wind gusts up to 35 mph, with gusts reaching 70 mph along the Sierra crest. Wave heights 1 to 3 feet on Lake Tahoe. * WHERE...Greater Lake Tahoe Area. * WHEN...From 10 PM Monday to 4 PM PST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. Gusty winds could bring down tree branches. Small boats, kayaks and paddle boards will be prone to capsizing and should remain off lake waters until conditions improve.

INSTRUCTION: Slow down and use caution while traveling. 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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Current U.S. National Radar--Current

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Current U.S. National Radar

National Weather Forecast--Current

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North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

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

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

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