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re: Morganza spillway to be opened?

Posted on 12/29/15 at 11:25 pm to
Posted by Martini
Near Athens
Member since Mar 2005
49697 posts
Posted on 12/29/15 at 11:25 pm to
Apparently you didn't live on the 17th street canal. You have a lot of faith in your government.
Posted by LSUTigersVCURams
Member since Jul 2014
21940 posts
Posted on 12/29/15 at 11:28 pm to
They will absolutely open it. No question. Last I saw River was going to crest at 44 ft.
Posted by Spock's Eyebrow
Member since May 2012
12300 posts
Posted on 12/29/15 at 11:32 pm to
quote:

Last I saw River was going to crest at 44 ft.


I'm amazed it didn't go up on the 5 day projection. It actually stayed at 44 two days in a row. Frick this rain.
Posted by NYNolaguy1
Member since May 2011
21849 posts
Posted on 12/29/15 at 11:43 pm to
quote:

You're being obtuse.


He's not wrong- basic geometry tells you the river wants to go down the Atchafalaya. You can't change the gradient of the river no matter how many flood control structures you build there. Everything I have read is saying the Atchafalaya's gradient is just getting steeper, while the Miss. River is staying the same. If it changes it's not coming back.
Posted by foj1981
Baton Rouge
Member since Nov 2013
4287 posts
Posted on 12/29/15 at 11:43 pm to
The 5 day takes into consideration the next 48 hrs of rain. They will up the crest forecast with the rain coming in. The MS will be opened once it hits the low to mid forties foot range.
Posted by slackster
Houston
Member since Mar 2009
91874 posts
Posted on 12/29/15 at 11:58 pm to
quote:

What's the downside of this? The river changes course and New Orleans no longer has a river?


Assuming we're being serious, the downside is that Morgan City and any interests along the Atchafalaya River would likely be wiped out. At some point in the future Morgan City would have the potential to become a shipping hub much like New Orleans.
Posted by RedPop4
Santiago de Compostela
Member since Jan 2005
15339 posts
Posted on 12/30/15 at 12:07 am to
Other areas are not maintained by the Orleans Levee Board, though.
Posted by ScottieP
Baton Rouge, LA
Member since Feb 2004
1933 posts
Posted on 12/30/15 at 12:52 am to
quote:

What's the downside of this? The river changes course and New Orleans no longer has a river?


If the river switches the flows in the Atchafalaya and Mississippi will be reversed. Currently 70% goes down to NOLA and 30% to Morgan City. If those were reversed Morgan City would be wiped out and the river in NOLA would not have the depth to support ocean going vessels. Its kind of a dooms day situation for the state of Louisiana and the entire country.
Posted by Pedro
Geaux Hawks
Member since Jul 2008
39313 posts
Posted on 12/30/15 at 12:58 am to
quote:

Morgan City
whatever city is rebuilt there anyway
Posted by jeffsdad
Member since Mar 2007
25350 posts
Posted on 12/30/15 at 7:24 am to
Mississippi River aint going nowhere.
Posted by bayoudude
Member since Dec 2007
25933 posts
Posted on 12/30/15 at 8:13 am to
quote:

At some point in the future Morgan City would have the potential to become a shipping hub much like New Orleans.


It would actually be a much better spot for a port since the port of New Orleans is many miles up the river. Bad thing is that all the infrastructure from the past century would be in the wrong spot with not enough water to accommodate large ships plus saltwater will work its way towards Nola/BR causing other problems.
Posted by Quidam65
Q Continuum
Member since Jun 2010
20520 posts
Posted on 12/30/15 at 8:21 am to
This is what's happening currently around St. Louis:

LINK

They're expecting the river level to be surpassed only by the 1993 flood.

The only reason the 1993 flood wasn't that bad further downstream (Louisiana) was that the Ohio was way BELOW normal. But with heavy rainfall in the TVA areas, the Ohio is normal if not above.

With all this, I would expect Morganza to be opened. But I agree at some point that ORCS isn't going to stop the eventual re-routing of the Mississippi.
This post was edited on 12/30/15 at 8:23 am
Posted by Ignignot
Member since Mar 2009
18823 posts
Posted on 12/30/15 at 8:36 am to
quote:

You woefully overestimate the United States Army Corp of Engineers.

Posted by NYNolaguy1
Member since May 2011
21849 posts
Posted on 12/30/15 at 8:42 am to
quote:

Mississippi River aint going nowhere.




That's true. The physical boundaries of the river won't change dramatically, just the flows-and eventually that will cause big problems for New Orleans if it's still around when it happens. Thats assuming it hasn't been wiped off the map from either soil erosion or another hurricane when ORCS fails.
This post was edited on 12/30/15 at 8:43 am
Posted by Martini
Near Athens
Member since Mar 2005
49697 posts
Posted on 12/30/15 at 9:14 am to
Link

LINK

LINK

Jeffs dad might want to do a little reading.

I don't doubt the intelligence and ingenuity of American engineers, and so far they have been able to harness and control the river, but to think it is not possible for the structure to fail, of which it has come precipitously close twice, is just being naive. And to think the Corp would drop "20,000 barges" to save it is silly.

I live in Baton Rouge and certainly don't want it to happen but levees, dams, bridges fail from time to time. Engineers fail and catastrophic things can and do happen. We have seen levee failures all up and down the river and all are man made. I don't underestimate mans "will and intellect" however I don't underestimate Mother Nature either. And anyone who went through Katrina or Rita or lives in Garland, Texas would probably agree with me.
Posted by jlu03
San Diego
Member since Jul 2012
3362 posts
Posted on 12/30/15 at 10:25 am to
If the river was ever re-directed and no longer had a significant flow through NOLA then almost all homes around these river levees would sink tremendously.
Posted by saltybulldog
MS Gulf Coast
Member since Aug 2007
1160 posts
Posted on 12/30/15 at 10:47 am to
quote:

If the river was ever re-directed and no longer had a significant flow through NOLA then almost all homes around these river levees would sink tremendously.


Wait, what?
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
79868 posts
Posted on 12/30/15 at 10:48 am to
Imagine it is a water table issue
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 12/30/15 at 10:50 am to
Yes. The river elevates the water table
Posted by SG_Geaux
Beautiful St George, LA
Member since Aug 2004
80831 posts
Posted on 12/30/15 at 10:53 am to
quote:

Bad thing is that all the infrastructure from the past century would be in the wrong spot with not enough water to accommodate large ships plus saltwater will work its way towards Nola/BR causing other problems.



Not to mention the hundreds of billions of dollars worth of plants that would no longer have access to ocean going vessels.
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