Posted on 02/09/2017 9:30:51 PM PST by blueplum
21 mile dam north east of Elko failed a couple days ago.
From what I can tell, the spillway is separated from the main dam by a section of natural terrain. That should provide a buffer against the water rushing out of the spillway, so long as there is a good rock foundation underneath. That is probably why they put the spillway where they did.
update on Reno and Lake Tahoe area conditions:
http://www.rgj.com/story/news/2017/02/09/weather-service-expects-flooding-sparks-6-pm/97720708/
Boaters remain wary of collisions with "dead head" logs. Floating inches below the surface and weighing up to 800 pounds,these invisible hazards can destroy a boat at just about any speed.
WILTON Three levees along the Cosumnes River were breached Friday night at Pear Lane, Peach Lane and Green Road.
http://fox40.com/2017/02/10/cosumnes-river-levees-break-flooding-rushes-into-wilton/
Water levels are also rising in local bodies of water. Locally, rivers such as the Sacramento River (at Tehama Bridge, Vina Woodson Bridge, and Ord Ferry) and the Yolo Bypass (at Lisbon) are at the flood stage, while rivers such as the Sacramento, Yuba, Cosumnes, and San Joaquin rivers are at the monitor stage.
Emergent water levels have been noted at Arcade Creek near American River College (74.81 feet, one-and-a-half feet below flood stage) and near Wilton (73.5 feet). Dry Creek West at Elkhorn has also reached the monitoring stage with reports of water levels at 45 feet.
http://www.capradio.org/articles/2017/02/10/thunderstorms,-potential-floods-expected-friday-additional-snowfall-continues-at-higher-elevations/
ALL:
Feb 12, 5:45pm California time
Evacuation order for those below dam - head for higher ground (Chico). River path: Yuba County - head east or west
http://www.latimes.com/local/lanow/la-me-ln-oroville-update-20170212-story.html
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