Bonnett Carre to open -

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sr
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Bonnett Carre to open -

Post by sr »

All that rain gotta go somewhere ...

https://www.theadvocate.com/acadiana/ne ... 5a672.html

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doncecco
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Re: Bonnett Carre to open -

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I thought to myself, the spillway seems to be opening more regularly as of late. Well, 8 times in first 66 years, now 5th time in last 11 years.

Year Days Bays Opened (%) Opened Ideal flow capacity
1937 48 285 81.4% 203,571 cu ft/s
1945 57 350 100% 250,000 cu ft/s
1950 38 350 100% 250,000 cu ft/s
1973 75 350 100% 250,000 cu ft/s
1975 13 225 64.3% 160,714 cu ft/s
1979 45 350 100% 250,000 cu ft/s
1983 35 350 100% 250,000 cu ft/s
1997 31 298 85.1% 212,857 cu ft/s
2008 31 160 45.7% 114,286 cu ft/s
2011 42 330 94.3% 235,714 cu ft/s
2016 22 210 60.0% 203,000 cu ft/s
2018 30 168 48.0% 196,000 cu ft/s
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sr
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Re: Bonnett Carre to open -

Post by sr »

doncecco wrote:I thought to myself, the spillway seems to be opening more regularly as of late. Well, 8 times in first 66 years, now 5th time in last 11 years.

Year Days Bays Opened (%) Opened Ideal flow capacity
1937 48 285 81.4% 203,571 cu ft/s
1945 57 350 100% 250,000 cu ft/s
1950 38 350 100% 250,000 cu ft/s
1973 75 350 100% 250,000 cu ft/s
1975 13 225 64.3% 160,714 cu ft/s
1979 45 350 100% 250,000 cu ft/s
1983 35 350 100% 250,000 cu ft/s
1997 31 298 85.1% 212,857 cu ft/s
2008 31 160 45.7% 114,286 cu ft/s
2011 42 330 94.3% 235,714 cu ft/s
2016 22 210 60.0% 203,000 cu ft/s
2018 30 168 48.0% 196,000 cu ft/s
for reference purposes 1 cu ft of water equals roughly 7.5 gallons -

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Re: Bonnett Carre to open -

Post by Baywave1 »

The article doesn't mention it but typically in past spillway openings, hunting that is in season has been restricted nearby so that our local Nimrod's and Gastogne's can't station themselves on the water's edge and take potshots at the animals being driven by the river water in the spillway like beaters moving game toward hunters stationed at the end of the field for easy pickings. The authorities simply keep the sporting aspect in our paradise here. I understand both sides as who doesn't like an easier life. :-)

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Re: Bonnett Carre to open -

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Otherwise if you can, go up river to see the opening. It's a spectacular example of the good work done by the Corps of E. and an example that even in the 21st century, a wooden dam in effect still works as a barrier control for flooding in the right setting. As noted above, it's a jaw dropping amount of water rushing by.

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Re: Bonnett Carre to open -

Post by ml wave »

doncecco wrote:I thought to myself, the spillway seems to be opening more regularly as of late. Well, 8 times in first 66 years, now 5th time in last 11 years.

Year Days Bays Opened (%) Opened Ideal flow capacity
1937 48 285 81.4% 203,571 cu ft/s
1945 57 350 100% 250,000 cu ft/s
1950 38 350 100% 250,000 cu ft/s
1973 75 350 100% 250,000 cu ft/s
1975 13 225 64.3% 160,714 cu ft/s
1979 45 350 100% 250,000 cu ft/s
1983 35 350 100% 250,000 cu ft/s
1997 31 298 85.1% 212,857 cu ft/s
2008 31 160 45.7% 114,286 cu ft/s
2011 42 330 94.3% 235,714 cu ft/s
2016 22 210 60.0% 203,000 cu ft/s
2018 30 168 48.0% 196,000 cu ft/s
Weather patterns are changing

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sr
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Re: Bonnett Carre to open -

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Re: Bonnett Carre to open -

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all that flooding in the midwest is going to make its way down the Mississippi... they may need to build another spillway!!
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Re: Bonnett Carre to open -

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Johnny Mac wrote:all that flooding in the midwest is going to make its way down the Mississippi... they may need to build another spillway!!
They would open the Morganza Spillway if the river got too high. They opened that one about 5 years or so ago.
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Re: Bonnett Carre to open -

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Looks like they will reopen the Spillway on Tuesday - twice in the same year. A first.

https://twitter.com/NOLAnews/status/112 ... 83206?s=20

Edit:
Spillway opened Friday with a hungry audience -

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… like fishing a falling tide.

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Re: Bonnett Carre to open -

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Great pic from Parker W of the Spillway …

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Re: Bonnett Carre to open -

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River is some frick'n high -

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Re: Bonnett Carre to open -

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Morganza to open ?? If forecast holds, third time in history.

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Re: Bonnett Carre to open -

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This year is as bad as 1993, and that is saying something. St. Louis is bracing their flood walls and barely missed a big problem in '93, although downstate Illinois was devastated and had to blow levees. Once the river gets below Cairo and becomes the Mighty Mississippi when the Ohio flows into it, things are relieved somewhat. But that is what Bonnett Carre is for. Hopefully, it will not get much worse.
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Re: Bonnett Carre to open -

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A coworker lives in the Thibodaux/Napoleonville area and they are already being inundated by water flowing from the Atchafalaya basin which is at flood stage. Some houses near the basin are already taking in water. If the Morganza is opened, they are expecting 10 more feet of water in the Basin which would flow to Lake Verret which won’t be able to hold all of that water within the levee walls.
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Re: Bonnett Carre to open -

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I don't know how the meteorologists in New Orleans feel, but the weather guy in Charlotte said there is concern over this tropical system and if it heads towards New Orleans.. the surge in the river combined with its high level could cause a lot of problems.
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Re: Bonnett Carre to open -

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hashtagStopbunting
hashtagStopPUNTING!

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Re: Bonnett Carre to open -

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Projected paths -

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Re: Bonnett Carre to open -

Post by Johnny Mac »

sr wrote:Projected paths -

Image
last night there were several tracks on the spaghetti models that had it turning north much much sooner than the lines in that model you posted... so that's good for LA... bad for Texas.. although, if and when it curves back east, that heavy rain will end up in the Mississippi.
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Re: Bonnett Carre to open -

Post by sr »

Johnny Mac wrote:
sr wrote:Projected paths -

Image
last night there were several tracks on the spaghetti models that had it turning north much much sooner than the lines in that model you posted... so that's good for LA... bad for Texas.. although, if and when it curves back east, that heavy rain will end up in the Mississippi.
Yeah, the NOAA/Weather Channel has it coming up through the west central LA coast.

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Re: Bonnett Carre to open -

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I've seen photos from New Orleans peeps on FB showing the incredible CBD flooding today. One guy posted a video of a dude swimming on Canal St
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Re: Bonnett Carre to open -

Post by OGSB »

Johnny Mac wrote:I've seen photos from New Orleans peeps on FB showing the incredible CBD flooding today. One guy posted a video of a dude swimming on Canal St
And they say that's not even associated with the storm
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Re: Bonnett Carre to open -

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Johnny Mac wrote:I've seen photos from New Orleans peeps on FB showing the incredible CBD flooding today. One guy posted a video of a dude swimming on Canal St
My dang basement flooded . . . again. Happened on Mother's Day too.

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Re: Bonnett Carre to open -

Post by sr »

TU77CAL82 wrote:
Johnny Mac wrote:I've seen photos from New Orleans peeps on FB showing the incredible CBD flooding today. One guy posted a video of a dude swimming on Canal St
My dang basement flooded . . . again. Happened on Mother's Day too.
You don't live on Palmer, do you?
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East Bank river levee heights -
https://twitter.com/nolacampanella/stat ... 01568?s=20

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Re: Bonnett Carre to open -

Post by TU77CAL82 »

sr wrote:
TU77CAL82 wrote:
Johnny Mac wrote:I've seen photos from New Orleans peeps on FB showing the incredible CBD flooding today. One guy posted a video of a dude swimming on Canal St
My dang basement flooded . . . again. Happened on Mother's Day too.
You don't live on Palmer, do you?
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East Bank river levee heights -
https://twitter.com/nolacampanella/stat ... 01568?s=20
Broadmoor. I wouldn't care that much, but we just got a new washing machine down there.

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