Weather Alert in California

Recent Locations: Arcadia, CA  

Flood Advisory issued February 24 at 9:37AM PST until February 24 at 4:00PM PST by NWS Eureka CA

AREAS AFFECTED: Humboldt, CA; Mendocino, CA; Trinity, CA

DESCRIPTION: * WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...Southeastern Humboldt County in northwestern California... Northeastern Mendocino County in northwestern California... Southwestern Trinity County in northwestern California... * WHEN...Until 400 PM PST Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. There will be an increased risk of rock and land slides along roadways. * ADDITIONAL DETAILS... - At 937 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This is causing urban and small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Willits, Garberville, Richardson Grove State Park, Covelo, Laytonville, Hayfork, Grizzly Creek Redwoods State Park, Alderpoint, Ruth, Forest Glen, Richardson Grove, Redway, Dinsmore, Leggett, Peanut, Myers Flat, Bridgeville and Hyampom. - http://www.weather.gov/safety/flood

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.

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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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