TUESDAY: Oroville Drenching Continues – More Updates

21 02 2017

[For LIVE DATA and resources see MONDAY’S POST ]

Oroville Dam & California under siege by 4 impending Storms

LINK –  http://youtu.be/oCv1_FHnKZY
See the recent weather maps, comparison

The WatchersMandatory evacuations ordered in parts of California

FLOOD WARNING

…A FLOOD WARNING FOR URBAN AREAS AND SMALL STREAMS REMAINS IN
EFFECT UNTIL 400 PM PST THURSDAY FOR COLUSA…YOLO…SUTTER…
SOLANO…PLUMAS…ALPINE…PLACER…SHASTA…LASSEN…AMADOR…
TUOLUMNE…SACRAMENTO…LAKE…STANISLAUS…SAN JOAQUIN…EL
DORADO…CALAVERAS…TEHAMA…BUTTE…GLENN…SIERRA…YUBA AND
NEVADA COUNTIES…

As levees breach downstream drivers will face more detours – PHOTO
The big storm Monday made snow in the mountains but it didn’t add to the water in the rivers because it froze. So it will add to the water later. High winds Tuesday might keep repair helping choppers out of the sky. They were delivering the rocks to plug holes.

Northern California Reels From Second Round of Storms; Evacuation Orders Remain in Effect

“For the first time in 20 years, the spillway gates of the Don Pedro Reservoir were opened Monday as the heavy rain pounded northern California, with some areas receiving more than 6 inches.” (lots of headlines about this spillway)

” . . . A pre-evacuation advisory was issued for several roads near downtown North Fork after water discharges from Bass Lake increased and threatened to swell rivers. The sheriff’s office says residents who live in the area should be ready to leave quickly if conditions worsen.

In Oroville, where heavy rains recently damaged the reservoir spillway and forced the evacuation of nearly 200,000 people, officials say waters are receding behind the dam, and the reservoir is at 81 percent capacity with room for incoming runoff.” (We have big doubts about this 81% figure. Video on late Monday shows water to the brim of the dam – FC)

inflow22117

VIDEO TODAY:

LINK –  http://youtu.be/gFkm5Jzpd2E

blue550

RECENT WATER LEVEL CHART [PDF] for dams

RECENT (Midnight) CHART [PDF] for Oroville dam

HOURLY CHART

http://cdec.water.ca.gov/jspplot/jspplotservlet

We are getting a “NO DATA AVAILABLE” sign on empty charts.

damchart22117

[CLICK IMAGE FOR FULL SIZE]

The CDCC server may be too busy to show all the data.

Sacramento time zone CLOCK

LIVE RADAR

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10 responses

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

21 02 2017
flyingcuttlefish

Lake Berryessa’s ‘Glory Hole’ spillway fills with water for the first time in years
Record rainfall after the recent storms in California helped fill Lake Berryessa’s “Glory Hole.” The spillway features a vertical drop of more than 200 feet.
http://www.accuweather.com/en/videos/trending-now/lake-berryessas-glory-hole-spillway-fills-with-water-for-the-first-time-in-years/5330373727001

21 02 2017
flyingcuttlefish

CALIFORNIA DAMS ABOUT TO COLLAPSE – First Oroville & Now Morgan Hill & Anderson Reservoir

21 02 2017
flyingcuttlefish

Oroville Dam, a disaster waiting to happen?

http://www.whatech.com/infrastructure-protection/news/265822-pel708a-oroville-dam-a-disaster-waiting-to-happen

“It is the first time in the dam’s 50 year history that water has flowed down the slipway and it has unexpectedly eroded the slipway sending chunks of concrete flying and creating a 60 metre long, nine metre deep hole that continues to grow.

There are fears that further erosion could undermine the dam’s concrete weir and allow large, uncontrolled releases of water from Lake Oroville that would overwhelm downstream waterways and levees and flood towns in three counties.”

22 02 2017
flyingcuttlefish

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