Weather Alert in California
Flood Warning issued February 25 at 9:00AM PST until February 26 at 1:07PM PST by NWS Sacramento CA
AREAS AFFECTED: Tehama, CA
DESCRIPTION: ...The Flood Warning is extended for the following rivers in California... Sacramento River At Vina Woodson Bridge affecting Tehama County. Sacramento River At Tehama Bridge affecting Tehama County. .Recent precipitation will lead to minor flooding at Ord Ferry, Tehama Bridge and Vina Woodson Bridge on the Upper Sacramento River System. For the Upper Sacramento River...including Ord Ferry, Tehama Bridge and Vina Woodson Bridge...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Sacramento River at Tehama Bridge. * WHEN...Until early tomorrow afternoon. * IMPACTS...At 206.7 feet, Water into rv park on east side of river. Tires of trailers get wet. At 209.7 feet, Flood stage - Road inside trailer park and turn around site under RR tracks (Tehama/Vina road) become impassible. Water is into area around structures on east side of river. No structural damage. Sheriff's office issues advisory. Makes sure Pelhams Bay, Snug Harbor, River Inn (small trailer parks all in a row on east side of river north of bridge) know of advisory. At 210.7 feet, Between 210 and 211 feet the county park becomes inaccessible. At 211 feet water begins to enter Driftwood RV fishing resort on east bank of river and just north of the county park. * ADDITIONAL DETAILS... - At 8:00 AM PST Wednesday the stage was 213.9 feet. - Bankfull stage is 206.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM PST Wednesday was 213.9 feet. - Forecast...The river is expected to fall below flood stage this evening and continue falling to 201.9 feet Friday morning. - Flood stage is 209.5 feet. - Flood History...This crest compares to a previous crest of 213.5 feet on 12/02/2012. - http://www.weather.gov/safety/flood
INSTRUCTION: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. For more hydrologic information and stage definitions refer to the following web site: wrh.noaa.gov/sto/hydro_data.php The next statement will be issued Thursday morning at 900 AM PST.
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
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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.
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Weather Topic: What is Rain?
Home - Education - Precipitation - 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.
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