Weather Alert in California
Flood Warning issued February 25 at 9:00AM PST until February 26 at 7:26PM PST by NWS Sacramento CA
AREAS AFFECTED: Butte, CA; Glenn, CA
DESCRIPTION: ...The National Weather Service in Sacramento CA has issued a Flood Warning for the following rivers in California... Sacramento River At Ord Ferry affecting Glenn and Butte Counties. .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...Ord Ferry, Tehama Bridge, and Vina Woodson Bridge...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Sacramento River at Ord Ferry. * WHEN...From this evening to tomorrow evening. * IMPACTS...At 110.3 feet, Head cuts in 3Bs silt weir start overflow into Butte Basin, flooding dips on Ord Ferry Road west of River Road in Butte County. Persistent flows at or above this level increase flooding in Butte Basin. Ord Ferry Road and additional roads in Glenn and Colusa counties are closed due to flooding. At 112.0 feet, At 112 to 113 feet, water inundates portions of Ord Ferry Road (County Road 32) in Glenn County from CA-45 east to the county line at the Sacramento River. At 113.8 feet, Design overflow level for M&T, 3Bs and Goose Lake flood control facilities to divert flood flows into Butte Basin. M&T overflows close River Road from Ord Ferry Road to Chico Road. Ord Ferry Road is already closed. At 114.0 feet, Designated flood stage left bank. * ADDITIONAL DETAILS... - At 7:45 AM PST Wednesday the stage was 108.2 feet. - Bankfull stage is 114.0 feet. - Forecast...The river is expected to rise above flood stage late this evening to a crest of 114.6 feet tomorrow morning. It will then fall below flood stage early tomorrow afternoon. - Flood stage is 114.0 feet. - Flood History...This crest compares to a previous crest of 114.8 feet on 03/21/2011. - 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 is Condensation?
Home - Education - Precipitation - 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
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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