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 Post subject: Bonnett Carre to open -
PostPosted: Thu Feb 21, 2019 4:37 pm 
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All that rain gotta go somewhere ...

https://www.theadvocate.com/acadiana/news/article_31a84c36-3619-11e9-9627-6f1e59a5a672.html


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PostPosted: Thu Feb 21, 2019 6:39 pm 
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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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PostPosted: Thu Feb 21, 2019 6:47 pm 
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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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PostPosted: Fri Feb 22, 2019 9:20 am 
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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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PostPosted: Fri Feb 22, 2019 9:26 am 
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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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PostPosted: Fri Feb 22, 2019 9:46 am 
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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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PostPosted: Thu Feb 28, 2019 12:05 am 
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And it starts …

https://twitter.com/HankAllenWX/status/1100808374525018112?s=20


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PostPosted: Wed Mar 20, 2019 4:48 pm 
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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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PostPosted: Thu Mar 21, 2019 1:15 pm 
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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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PostPosted: Thu May 09, 2019 1:21 pm 
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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/1126551508236083206?s=20

Edit:
Spillway opened Friday with a hungry audience -

Image

Image

… like fishing a falling tide.


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PostPosted: Sat May 11, 2019 4:44 pm 
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Great pic from Parker W of the Spillway …

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PostPosted: Thu May 16, 2019 5:03 pm 
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River is some frick'n high -

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PostPosted: Wed May 22, 2019 10:11 pm 
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Morganza to open ?? If forecast holds, third time in history.

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PostPosted: Tue Jun 04, 2019 8:24 am 
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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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PostPosted: Wed Jun 05, 2019 12:12 pm 
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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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PostPosted: Wed Jul 10, 2019 7:25 am 
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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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PostPosted: Wed Jul 10, 2019 7:28 am 
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https://slate.com/business/2019/07/new- ... ekend.html
#blindlink
#profpost

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PostPosted: Wed Jul 10, 2019 7:56 am 
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Projected paths -

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PostPosted: Wed Jul 10, 2019 8:18 am 
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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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PostPosted: Wed Jul 10, 2019 9:39 am 
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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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PostPosted: Wed Jul 10, 2019 1:00 pm 
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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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PostPosted: Wed Jul 10, 2019 1:17 pm 
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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


And they say that's not even associated with the storm

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PostPosted: Wed Jul 10, 2019 1:17 pm 
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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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PostPosted: Wed Jul 10, 2019 2:02 pm 
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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/status/1149022499121901568?s=20


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PostPosted: Wed Jul 10, 2019 2:31 pm 
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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?
+++
East Bank river levee heights -
https://twitter.com/nolacampanella/status/1149022499121901568?s=20


Broadmoor. I wouldn't care that much, but we just got a new washing machine down there.


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