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Can someone explain to me how Pierre Part is going to flood?

Posted on 5/10/11 at 5:28 pm
Posted by Golfer
Member since Nov 2005
75052 posts
Posted on 5/10/11 at 5:28 pm
When its on the East side of the levee for the basin?

Everyone I know from there is claiming the entire city will be gone forever.
This post was edited on 5/10/11 at 5:30 pm
Posted by DEANintheYAY
LEFT COAST
Member since Jan 2008
31975 posts
Posted on 5/10/11 at 5:35 pm to
quote:

When its on the East side of the levee for the basin?

Everyone I know from there is claiming the entire city will be gone forever.



Not sure, but I know that Stephensville is going to see a ton of water most likely and Pierre Part ain't too far from there.
Posted by DowntheBayouTiger
Atlanta, GA
Member since Oct 2009
813 posts
Posted on 5/10/11 at 5:38 pm to
Someone had explained this about a week ago in the main flood thread... they explained that the water would flow thro all these waterways and finally into the Lake Verrett where pp could get some flooding
Posted by Golfer
Member since Nov 2005
75052 posts
Posted on 5/10/11 at 5:40 pm to
So it has to travel all the way down to Morgan City, then BACK up 40 miles to Pierre Part?

And this is only if they open up the entire Morganza Spillway, right?

So people in Pierre Part can stop assuming the place is going to be gone in June...got it.
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 5/10/11 at 5:43 pm to
My understanding is that it would be backwater. I'm not really sure though.

And my gf is from there and it's like she swears her house is gonna be under 10' feet of water or something
Posted by Bard
Definitely NOT an admin
Member since Oct 2008
55454 posts
Posted on 5/10/11 at 5:45 pm to
There's also the worry about water backing up in the tributaries.
Posted by BlindFaith
Alter-Ville
Member since Apr 2011
595 posts
Posted on 5/10/11 at 6:15 pm to
quote:

And my gf is from there


prayers sent
Posted by TheGodfather
baton rouge
Member since Feb 2007
600 posts
Posted on 5/10/11 at 6:29 pm to
quote:

then BACK up 40 miles to Pierre Part?


that isnt even close. lake palourde is roughly 15 miles from lake verret as the crow flies, if its even that far.
Posted by The Sportsman
Member since Mar 2009
13245 posts
Posted on 5/10/11 at 6:30 pm to
When the Archafalaya River rises fast, the belle river/lake verrett system floods (or gets high) in this case, the river will actually be backing up through bayou chene (they are sinking a barge to try to prevent this) into lake palourde (through Amelia) and into verrett and belle river. We are expecting ab a 4' rise (2'min-4'max) according to the meeting today which is going to put water levels higher than the 5' 100yr flood threshold (idk the word to use lol) that you are supposed to build to. We are going get all of our shite this weekend. Our camp (house) will be under.

So, yes. Pierre Part IS going to flood.

Eta: they will also be cutting power in a lot of areas so if you have a place down there i suggest cleaning out your refrigerator.

Thanks morganza :highfive:

Let's just hope the ORCS holds and doesn't change La forever
This post was edited on 5/10/11 at 6:47 pm
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 5/10/11 at 6:35 pm to
quote:

We are going get all of our shite this weekend. Our camp (house) will be under.

That sucks bruh
Posted by The Sportsman
Member since Mar 2009
13245 posts
Posted on 5/10/11 at 6:41 pm to
quote:

That sucks bruh
yep sure does. But there are a lot worse things going to happen... Luckily this is just our secondary residence. Others are not so lucky
Posted by Golfer
Member since Nov 2005
75052 posts
Posted on 5/10/11 at 6:50 pm to
quote:

Others are not so lucky


I don't think anyone forced these people to live on a narrow strip of land surrounded on all sides by water...

Every map I've seen shows a maximum of 5' of water over the normal level for this year...
This post was edited on 5/10/11 at 6:52 pm
Posted by The Sportsman
Member since Mar 2009
13245 posts
Posted on 5/10/11 at 6:52 pm to
Belle River Stagethis link could be useful for some.

Golfer, no they didn't.
Posted by The Sportsman
Member since Mar 2009
13245 posts
Posted on 5/10/11 at 6:58 pm to
quote:

Every map I've seen shows a maximum of 5' of water over the normal level for this year...
correct. Key word is normal level. The rivers are usually high this time of year (at their normal spring levels)
Posted by glb
Atlanta
Member since Sep 2008
1602 posts
Posted on 5/10/11 at 7:16 pm to
quote:

So it has to travel all the way down to Morgan City, then BACK up 40 miles to Pierre Part?

And this is only if they open up the entire Morganza Spillway, right?

So people in Pierre Part can stop assuming the place is going to be gone in June...got it.


I'm not familiar with the flood control structures, but that looks correct to me just looking at the aerials. South of Morgan City the water coming down the basin will be able to spread out as it pleases it looks to me. This will allow the water surface elevation to decrease, so the the backwater won't be as bad compared to if it was coming from north of Morgan City. I'm just basing this off what I can see from the aerials.
Posted by AlxTgr
Kyre Banorg
Member since Oct 2003
84260 posts
Posted on 5/10/11 at 7:24 pm to
quote:

Thanks morganza :highfive:


Posted by glassman
Next to the beer taps at Finn's
Member since Oct 2008
117292 posts
Posted on 5/10/11 at 7:31 pm to
quote:

Thanks morganza :highfive:


Pierre Part flooding is a non-event unless you happen to live there. NOLA or BR flooding is an international event. This is why these structures were created after 1927. So far they have performed. The problem is they haven't been tested for 38 years. My faith in the COE and especially local levee boards is skeptical at best.
Posted by DEANintheYAY
LEFT COAST
Member since Jan 2008
31975 posts
Posted on 5/10/11 at 7:37 pm to
quote:

The problem is they haven't been tested for 38 years. My faith in the COE and especially local levee boards is skeptical at best.


Yeah, they haven't done a whole lot to boost our confidence in them in recent years, eh?
Posted by The Sportsman
Member since Mar 2009
13245 posts
Posted on 5/10/11 at 7:40 pm to
quote:

Pierre Part flooding is a non-event unless you happen to live there. NOLA or BR flooding is an international event. This is why these structures were created after 1927. So far they have performed. The problem is they haven't been tested for 38 years. My faith in the COE and especially local levee boards is skeptical at best.
I agree. We are going to flood bc of this but I hope it works as planned with no problems.
Posted by glassman
Next to the beer taps at Finn's
Member since Oct 2008
117292 posts
Posted on 5/10/11 at 7:47 pm to
quote:

Yeah, they haven't done a whole lot to boost our confidence in them in recent years, eh?


Preaching to the choir brah.
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