http://www.latimes.com/local/lanow/la-me-ln-oroville-update-20170212-story.html
http://www.mercurynews.com/2017/02/12/oroville-dam-live-update-spillway-is-in-danger-of-failing/
Mandatory evacuations for residents of Oroville, Marysville, Live Oak, Olivehurst...all communities south of the dam. Sacramento not expected to be effected.
Consumnes and Mokulome rivers have ruptured levies (x6), and the in-flow from the Feather River is impacting communities north of Oroville.
4 mudslides have shut down US 50 a few miles above above Pollock Pines stranding many in South Lake Tahoe and disrupting what was expected to be record breaking skiing at all Tahoe resorts. Secondary highways in the Donner/Tahoe region are being strategically watched for hillside mud flow and avalanche danger.
Oroville, CA emergency evacuation
Discussion in 'Truckers' Weather & Road Conditions' started by otherhalftw, Feb 13, 2017.
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Is that going to affect you folks Mr. Otter?
otherhalftw Thanks this. -
You know... that starts to look like Brasil... every raining season causes mudslides in the hills area of Rio and other states... lots of damages, people die...
but they do nothing to prevent that... There, however, it's not because of environmental issues but because they don't care...
Last edited: Feb 13, 2017
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Has anybody read or heard what the Corps of Engineers estimates is the water runoff flowing in? Is it still more then the rate they can release at maximum release? Looks like if they can get a reprieve from more rain for a few more days, they could get the lake level below the weir (if that's where the erosion is occurring)
otherhalftw Thanks this. -
Nope...over 60 miles to our north.
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Currently the inflow to Lake Oroville is est at 40k cubic fpm, and the adjusted release from the regular release chutes (original design concrete failure) is running at 100k cubic fpm. Lake elevation as of 0700 (local) was at 897 ft, which is down from the 901 ft when it was overflowing the emergency spillway. They are going for a reduced elevation of 850 ft to "safely" allow engineers and experts on ground access to the location of the erosion between the emergency spillway and the spillway that needs to be repaired/replaced. The Oroville dam (to the immediate south of the problem areas) is reportedly not in danger.
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Emergency overflow spillways are always a concern for engineers in dealing with rapid erosion but to my way of thinking, it should never be a problem that enough properly reinforced concrete, built far enough out, and built to earthquake region standards won't fix.
But I also can't help but think maybe somebody should have anticipated all the water based on long term forecasts and began releasing more water a few months ago, to make room for the rapid and massive influx of water that was known to be coming. But that may not be a reasonable statement given how valuable stored water is in California.
Plus, there might have been an assumption that a weeklong overflow might not be a concern as it was [supposed to be properly] designed with this contingency and expectation in mindLast edited: Feb 13, 2017
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Moonbeam just called for a million to be evac. from Sacramento.
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I guess you didn't read what you posted the link to. Did you mean to post a link to something different?
Frank
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