Weather Alert in California

Recent Locations: Los Angeles, CA  
Current Alerts for Los Angeles, CA: High Surf Advisory Wind Advisory

Wind Advisory issued March 30 at 10:06PM PDT until April 2 at 2:00AM PDT by NWS San Diego CA

AREAS AFFECTED: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains; Apple and Lucerne Valleys

DESCRIPTION: * WHAT...West winds 25 to 35 mph with gusts to 60 mph. Most widespread winds on Tuesday. * WHERE...Apple and Lucerne Valleys, Riverside County Mountains, San Bernardino County Mountains, and San Diego County Mountains. * WHEN...Until 2 AM PDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Reduced visibility in blowing dust in the deserts.

INSTRUCTION: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

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Current U.S. National Radar--Current

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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 is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

Cumulonimbus Clouds Next Topic: Cumulus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Cumulus Clouds

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