Weather Alert in California

Recent Locations: Santee, CA  

Flood Warning issued February 24 at 2:52PM PST until February 25 at 4:00AM PST by NWS Eureka CA

AREAS AFFECTED: Mendocino, CA

DESCRIPTION: ...The Flood Warning continues for the following rivers in California... Russian River near Hopland affecting Mendocino County. For the Russian River...including Hopland...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Russian River near Hopland. * WHEN...Until late tonight. * IMPACTS...At 17.0 feet, Significant flooding of Highway 175 at the approaches to the Russian River bridge. Minor flooding of Highway 222 near Ukiah, and in crop land along the left and right banks of the Russian River near Hopland. * ADDITIONAL DETAILS... - At 2:00 PM PST Tuesday the stage was 13.7 feet. - Bankfull stage is 21.0 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 16.6 feet this evening. It will then fall below flood stage just after midnight tonight. - Flood stage is 15.0 feet. - Flood History...This crest compares to a previous crest of 16.7 feet on 10/24/2021. - http://www.weather.gov/safety/flood

INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Flooding is occurring or is imminent. Most flood related deaths occur in automobiles. Do not attempt to cross water covered bridges, dips, or low water crossings. Never try to cross a flowing stream, even a small one, on foot. To escape rising water find another route over higher ground. This warning will be in effect until the river falls below its flood stage. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at weather.gov/eka. The next statement will be issued late tonight at 300 AM PST.

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Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Stratocumulus Clouds Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

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