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re: River to crest near 20' Saturday, average levee height in N.O. is 20' (update in OP)

Posted on 7/10/19 at 4:09 pm to
Posted by arseinclarse
Member since Apr 2007
35469 posts
Posted on 7/10/19 at 4:09 pm to
quote:

but ask the residents of the 9th ward.


Trump has shown reluctance to drop bombs.
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
30071 posts
Posted on 7/10/19 at 4:11 pm to


Storm surge watch issued for parts of south Louisiana in advance of the system in the Gulf of Mexico on July 10, 2019

Graphic via NHC

Jeffrey Graschel, a hydrologist with the Lower Mississippi River Forecast Center in Slidell, said the river will rise between 3 and 5 feet above its present elevation. The higher levels are expected near the mouth of the river, in Plaquemines Parish.

But the surge will make itself felt as far away as Baton Rouge, where the water level is expected to rise about 10 inches by Saturday, he said.
This post was edited on 7/10/19 at 4:13 pm
Posted by notiger1997
Metairie
Member since May 2009
61774 posts
Posted on 7/10/19 at 4:11 pm to
quote:

Well they’re not supposed to, but ask the residents of the 9th ward.


Those weren't the Miss River levees.
Posted by MightyYat
StB Garden District
Member since Jan 2009
25029 posts
Posted on 7/10/19 at 4:11 pm to
Bunch of fricking clickbait shite. I hate weathermen during these events.
Posted by DhanTigers212
Member since Dec 2014
10519 posts
Posted on 7/10/19 at 4:12 pm to
Well if the river levees were being topped over by a storm surge of water wouldn’t they be susceptible to breaking?
Posted by Tiger Prawn
Member since Dec 2016
26318 posts
Posted on 7/10/19 at 4:14 pm to
They’re pretty damn saturated right now considering we’re at almost 6 months straight of high water. If there were spots that started being overtopped, I would think there’s at least some potential for the flow of the water overtopping to possibly compromise the levees
Posted by bayoudude
Member since Dec 2007
25928 posts
Posted on 7/10/19 at 4:15 pm to
Yes I would thing over topping would lead to possible scouting and weakening of the sysytem. The MS River has been an angry bitch this year. We talking about a possible river height not seen since the 1920’s
Posted by Lsupimp
Ersatz Amerika-97.6% phony & fake
Member since Nov 2003
86484 posts
Posted on 7/10/19 at 4:16 pm to
I seeent George Bush and dem other Israelis do it!
Posted by DhanTigers212
Member since Dec 2014
10519 posts
Posted on 7/10/19 at 4:17 pm to
I am not the one to overreact but I can’t help but think if we have the river overtopping our levees than they are susceptible to break which brings me to the point if I was anywhere near these levees I would be getting the frick out.
Posted by crewdepoo
Hogwarts
Member since Jan 2015
11121 posts
Posted on 7/10/19 at 4:20 pm to
Think the core is confident with the structure of the levees, just not the height
Posted by Swagga
504
Member since Dec 2009
19411 posts
Posted on 7/10/19 at 4:22 pm to
It’s incredible to me the news isn’t making this a bigger story.


People were screaming about this when there was debate about opening the morganza and here we are.
Posted by MightyYat
StB Garden District
Member since Jan 2009
25029 posts
Posted on 7/10/19 at 4:23 pm to
quote:

People were screaming about this when there was debate about opening the morganza and here we are.


But muh farmlands................
Posted by NYNolaguy1
Member since May 2011
21836 posts
Posted on 7/10/19 at 4:24 pm to
quote:

Just wondering how high was the water when the levee broke during Katrina?


The river levees didnt break during Katrina.
Posted by CCT
LA
Member since Dec 2006
7038 posts
Posted on 7/10/19 at 4:25 pm to
So which levees were alleged to have been blown for hurricane Besty in the lower 9th?
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
30071 posts
Posted on 7/10/19 at 4:26 pm to


Locations in red are where levees along the Mississippi River are below 20 feet. Some locations are as low as 18 feet. The National Weather Service's Lower Mississippi River Forecast Center says the river will rise to 20 feet at the Carrollton Gauge in New Orleans on Saturday as storm surge accompanying what by then could be Category 1 Hurricane Barry moves upriver atop the 16 feet of floodwater in the river.

Army Corps of Engineers National Levee Database

A map of levee heights in the New Orleans area that's part of the Corps' National Levee Database shows that the top of large segments of river levees along the Lower 9th Ward in New Orleans and St. Bernard Parish on the east bank, and some locations in Algiers on the West Bank, were between 18 and 19.99 feet.

One low spot farther upriver happens to be the campus of the Corps' New Orleans District office, which is built along a 3,000-foot stretch of the river along Leake Avenue in the Riverbend neighborhood. According to the levee database, the campus levees protect to water heights of between 19 and 19.7 feet, making the corps' office one of the lowest points along the east bank river system in New Orleans.
Posted by NYNolaguy1
Member since May 2011
21836 posts
Posted on 7/10/19 at 4:30 pm to
quote:

So which levees were alleged to have been blown for hurricane Besty in the lower 9th?


Alleged?

I have no idea. I know USACE blew the levees in Plaquemines in 1927 for similar river flooding, and that has persisted in spawning consistent conspiracies since then.

I have a hard time believing someone blew levees during Betsy, and that's saying something as my parents were rescued off of their roof during that storm.
Posted by DhanTigers212
Member since Dec 2014
10519 posts
Posted on 7/10/19 at 4:30 pm to
Is there at all a possibility of the river breaking the levee?
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 7/10/19 at 4:31 pm to
quote:

making the corps' office one of the lowest points along the east bank river system in New Orleans.
makes sense
Posted by Bow dude72
Member since Mar 2017
2719 posts
Posted on 7/10/19 at 4:32 pm to
The Corp should have opened the morganza along time ago now it will screw them
Posted by Datfish
Member since Sep 2018
794 posts
Posted on 7/10/19 at 4:32 pm to
quote:

no, 20 is the lowest spot, not sure where Mr Blue Check got his "average" idea from


I wouldn't be surprised with some areas being less than 20 from longterm settlement of the soils.

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