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originally posted by: Reverbs
Anoter reason I want people to focus on the wider area.
It's ALL connected.
Most of the nation’s 84,000 dams were built between 1950 and 1980 and were not designed for the populations now surrounding them, or for today’s changing climate.
The dam was built in the 1960s when temperatures were cooler and more precipitation was stored in a greater snowpack in the mountains of the Feather River watershed, which drains into Lake Oroville. Today warming temperatures are bringing more rain as well as melting the Sierra Nevada snowpack earlier in the spring. As the counties’ attorneys predicted, among the results is a rush of downhill water much faster than in the past. “We anticipated that this crisis might come about,” says Tony Rossmann, special counsel to Butte County.
The hydrologic models DWR [California Department of Water Resources] used are based on the colder decades of the 1940s and 1950s—“a hypothetical future that DWR knows to be dangerously false,” the counties responded. Ironically, the counties based their challenge on climate change science developed by DWR’s own scientists, Rossmann says: “They’re among the world’s experts.” He called DWR’s “stubborn refusal to consider 21st century science” particularly surprising for a state agency where the governor repeatedly touts preparedness for climate change.
originally posted by: desert
a reply to: LadyGreenEyes
You had direct experience with evacuating for rising waters, and with a baby! I know what you mean about not being comfortable with these situations.
When the last big flood year hit 20 years ago, I was standing at a second story window of the house I lived in at the time, watching the river a quarter mile away overflow its banks. (lol What I call a river out here is what is labeled a creek in most other states.) That water had come from damn releases mixed in with heavy rain. Well, lo and behold, the next year a developer came in and put up a tract of homes there! Sure enough, some of the streets had to use sandbags the year after that.
The delta area of CA has levees, and a road we used to use as a shortcut home thirty years ago went through what was at the time a sparsely populated area. About 13 years ago we had occasion to drive the same road, only now there were tracts of homes right next to levees! Even though it looks silly at first, some people in the delta have built there homes atop a man made hill, flat land around it. And some houses are built with living areas above a first level, like what are built along ocean frontages, with the lower level capable of surviving being flooded with no or minimal damage.
Yeah, I think people forget that the New Orleans Katrina damage was not from the hurricane itself but from levee/wall failure. We're sometimes at the mercy of nature with our infrastructure. It's like any technology, when it works it's great, when it doesn't it's not so great.
Safety experts say there is no time for delays in the state plan to restore the critical main spillway at the 770-foot Oroville Dam, and they warn that California would face a "very significant risk" if the spillway is not in working order by fall, the start of the next rainy season.