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Auggie

(31,167 posts)
Mon Feb 25, 2019, 12:04 PM Feb 2019

Flood watches for Northern Californa in effect as another atmospheric river of rain approaches

A fierce winter storm packed with subtropical moisture is moving through Northern California Monday morning (Feb 25th) and forecast to arrive in the central Bay Area Monday afternoon and stick around until Wednesday.

The so-called atmospheric river is expected to deliver the biggest soaking to the North Bay, and before sunrise drops were already falling in Napa and Sonoma counties. The Santa Cruz mountains could also receive a drenching.

SNIP

Meteorologists say the storm appears moderate in strength, but it's slow-moving and the steady rainfall across three days could amount to significant totals.

The NWS forecasts 6 to 12 inches in coastal ranges and North Bay locations, four to six inches in areas along the coast and the Bay shoreline, and .25 to 1.5 inches in most other locations.

MORE: https://www.sfgate.com/weather/article/atmospheric-river-San-Francisco-Bay-Area-weather-13642382.php?ipid=newsrecirc

17 replies = new reply since forum marked as read
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Flood watches for Northern Californa in effect as another atmospheric river of rain approaches (Original Post) Auggie Feb 2019 OP
Boy, after the devastating fires cilla4progress Feb 2019 #1
Fire bad. Mr.Bill Feb 2019 #8
We are having such intense weather SHRED Feb 2019 #2
Yes ... Auggie Feb 2019 #3
Reservoirs are tricky SHRED Feb 2019 #4
much of it could be channeled to flood low lying parts of the central valley and create a lake msongs Feb 2019 #6
Whatever works -- just do it!!! Auggie Feb 2019 #7
Californians also need to learn more about PoindexterOglethorpe Feb 2019 #5
And followed by the the Great Drought of 1862-65 that wiped out California's cattle industry Brother Buzz Feb 2019 #10
Lower stretches of Russian River have reached flood stage of 32.04 feet. Brother Buzz Feb 2019 #9
Napa River too Auggie Feb 2019 #11
Sacramento River was rising fast and threatening the I street bridge.... Brother Buzz Feb 2019 #12
It's looking like you mostly dodged the bullet with the Napa River flooding Brother Buzz Feb 2019 #13
Thanks to a multi-million dollar flood control project ... Auggie Feb 2019 #14
I assume the project was started after 1986 Brother Buzz Feb 2019 #15
Cool! Auggie Feb 2019 #17
Here is link to live California river flow map. PufPuf23 Feb 2019 #16
 

SHRED

(28,136 posts)
2. We are having such intense weather
Mon Feb 25, 2019, 12:15 PM
Feb 2019

Seems like over the entire state.

I'm happy for the snowfall. We need it.

Auggie

(31,167 posts)
3. Yes ...
Mon Feb 25, 2019, 12:28 PM
Feb 2019

wish we could capture more of it though. There's been talk and/or legislation of increasing reservoir capacity but as far as I know not much has been done yet. Correct me if I'm wrong anyone.

 

SHRED

(28,136 posts)
4. Reservoirs are tricky
Mon Feb 25, 2019, 12:44 PM
Feb 2019

Dams create negative impacts downstream.

I think much better investments would be in water conservation techniques including reclaiming some of the millions of gallons lost per hour via our wastewater systems. Stormwater should flow free but wastewater should be reclaimed and reused instead of piped out to sea.

msongs

(67,403 posts)
6. much of it could be channeled to flood low lying parts of the central valley and create a lake
Mon Feb 25, 2019, 02:15 PM
Feb 2019

where water would soak into the ground and raise the water table

PoindexterOglethorpe

(25,853 posts)
5. Californians also need to learn more about
Mon Feb 25, 2019, 12:46 PM
Feb 2019

the greatest disaster no one knows about, the flooding of the Central Valley in 1862. It came about from a storm system similar to the one currently approaching that state, and was devastating. Back then only about 400,000 people lived in California, so as terrible as it was not many people were affected. Different story today.

Here's a link to the Wikipedia article. https://en.wikipedia.org/wiki/Great_Flood_of_1862

Someone probably ought to write a book about it.

Oh, and here's the most important thing to know. For a long time experts had thought the 1862 rains and subsequent flooding were perhaps a thousand year event. More recently they've realized that, even without global warming and the extra moisture that brings, this is probably more like a 150-200 year event.

Brother Buzz

(36,422 posts)
10. And followed by the the Great Drought of 1862-65 that wiped out California's cattle industry
Wed Feb 27, 2019, 12:55 AM
Feb 2019

Southern California was hit extraordinarily hard, and many landed Californios lost everything. California didn't become the land of milk and honey until we built the reservoirs and levies to smooth out the extremes.

https://webcache.googleusercontent.com/search?q=cache:RtC2R40w6W8J:https://ocweekly.com/orange-countys-great-drought-of-1864-6464949/+&cd=10&hl=en&ct=clnk&gl=us

Brother Buzz

(36,422 posts)
9. Lower stretches of Russian River have reached flood stage of 32.04 feet.
Wed Feb 27, 2019, 12:18 AM
Feb 2019

It's expected to crest tomorrow night at 46.1 feet.

A pain in the ass, for sure, but nothing unusual for the long time residents.

Brother Buzz

(36,422 posts)
12. Sacramento River was rising fast and threatening the I street bridge....
Wed Feb 27, 2019, 01:54 PM
Feb 2019

Then they open the weir; ducks love it when the Yolo Bypass is running.

Oh, Lake Berryessa's gloryhole overflowed yesterday - Lake Berryessa is FUll and all the rich ass conservative farmers below the dam are dancing.

Auggie

(31,167 posts)
14. Thanks to a multi-million dollar flood control project ...
Wed Feb 27, 2019, 03:51 PM
Feb 2019

several years in the making. Tax dollars at work!!!


Brother Buzz

(36,422 posts)
15. I assume the project was started after 1986
Wed Feb 27, 2019, 04:40 PM
Feb 2019

Boy howdy, I remember the Napa River flood of 1986!

I visited after the flood and found the biggest wine bottle I'd have ever seen in a debris pile. It was the Methuselah, a 6.0 L Imperial. It was so big it didn't even fit into my corker. I filled it with a second pick Carneros Pinot Noir and had to cork it by hand. It was consumed at a Pinot party where it was well received.

Auggie

(31,167 posts)
17. Cool!
Wed Feb 27, 2019, 05:41 PM
Feb 2019

Great story.

I think construction of the by-pass began in the early 00's. It was a big project that included not just a by-pass channel but the replacement of several bridges, significant widening of a feeder stream, and lots of river dredging.

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