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re: Morganza Spillway may or may not open for a 3rd time -- lack of clear info from ACoE

Posted on 5/29/19 at 3:42 pm to
Posted by Jim Rockford
Member since May 2011
102403 posts
Posted on 5/29/19 at 3:42 pm to
quote:

We are currently receiving heavy rainfall across the area. Our hydrologists and engineers continue to monitor the situation and make adjustments as needed. Please stay safe and contact your local emergency management if you have questions about how your area may be impacted.
#Flood2019 #flooding #rain #okflood #TulsaDistrict #USACE #ksflood #txflood #lakes #rivers #okwx #kswx U.S. Army Corps of Engineers Southwestern Division U.S. Army Corps of Engineers, Headquarters U.S. Army
Posted by Geauxtiga
No man's land
Member since Jan 2008
34380 posts
Posted on 5/29/19 at 3:52 pm to
Not sure where you got that, or how it relates to what I posted but this, below, is from my link.

quote:

Now that the Army Corps of Engineers has announced officially that the Morganza Spillway will open this weekend here’s what you can expect.

In short the Mississippi is so high that to guarantee the integrity of the ORCS the water has be diverted into the Atchafalaya Basin, the natural Mississippi spillway.

The Spillway gates will be opened slowly on June 2nd, this will prevent a rush of water from crashing down, and the slow release gives wildlife a chance to clear out and the water to move south in a controlled manner.
Posted by Jim Rockford
Member since May 2011
102403 posts
Posted on 5/29/19 at 3:54 pm to
That was from the Tulsa Corps of Engineers district. All that is in the Arkansas River watershed.
Posted by GEAUXmedic
Joplin, MO
Member since Nov 2011
41637 posts
Posted on 5/29/19 at 8:40 pm to
Posted by TDsngumbo
Member since Oct 2011
45585 posts
Posted on 5/29/19 at 8:55 pm to
Aww shite. That was not predicted before now.

ETA: actually, looking at the radar and it doesn’t appear to be torrential rainfall over a widespread area. And it looks like it’s moving.
This post was edited on 5/29/19 at 8:58 pm
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/29/19 at 9:12 pm to
Yeah stupid to post something like that. Guess he’s looking for attention
Posted by Duke
Dillon, CO
Member since Jan 2008
36408 posts
Posted on 5/29/19 at 9:53 pm to
quote:

That was not predicted before now.


It was. That's an excessive rainfall for today. Which happened in parts of that area today. Nothing unexpected and is already built into the river predictions.
Posted by Big Bill
Down da Bayou
Member since Sep 2015
1523 posts
Posted on 5/29/19 at 11:21 pm to
The barge is in place and ballasted down in the Chene. Here's hoping the Stephensville/Pierre Part area doesn't get a big rainfall event in the next couple months - going to be tough to drain.
Posted by TDsngumbo
Member since Oct 2011
45585 posts
Posted on 5/30/19 at 8:19 am to
quote:

quote:
That was not predicted before now.


It was. That's an excessive rainfall for today. Which happened in parts of that area today. Nothing unexpected and is already built into the river predictions.

Huh, I didn't realize the excessive rainfall for that area was already forecast. Good to know that more water than they predicted isn't coming down.

What's your thinking this morning on the whole situation? Still about the same? Do you think they will need to eventually open more bays at some point?
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
28282 posts
Posted on 5/30/19 at 8:31 am to
Is Mmiddleton Library safe?
Posted by Duke
Dillon, CO
Member since Jan 2008
36408 posts
Posted on 5/30/19 at 8:38 am to
quote:

What's your thinking this morning on the whole situation? Still about the same?


There's going to be a short break in the rain for the Arkansas, but they'll get more next week. Just shouldn't be the day after day train of very heavy rain. The Red might get some additional too next week, as they get tucked under a building high pressure over the high plains.

So it's not exactly what we'd want but next week should be a more manageable amount of rain, so it should start dropping by late in June imo.

Don't know about # of bays, that's for the hydrology baws.
Posted by FutureMikeVIII
Houston
Member since Sep 2011
1436 posts
Posted on 5/30/19 at 9:11 am to
quote:

Don't know about # of bays, that's for the hydrology baws.




I think that's for the hydraulics baws, baw.
Posted by LSUJuice
Back in Houston
Member since Apr 2004
17934 posts
Posted on 5/30/19 at 9:13 am to
Here's the link to the USACE New Orleans District page. Not a whole lot of specifics up, but it gives an overview of the spillway and shows what they did in 2011 for reference. TDs, may be useful to post this in your OP?

USACE Morganza overview
Posted by TDsngumbo
Member since Oct 2011
45585 posts
Posted on 5/30/19 at 9:25 am to


Thank you! That's good information and I have updated the OP.
Posted by Duke
Dillon, CO
Member since Jan 2008
36408 posts
Posted on 5/30/19 at 9:41 am to
quote:

I think that's for the hydraulics baws, baw.



They can come too
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/30/19 at 11:46 am to
quote:

Efforts are underway to block the Tabor Canal to prevent additional backwater flooding in the Gibson area.


LINK
Posted by ike221
Loo A Vul
Member since Aug 2006
13852 posts
Posted on 5/30/19 at 11:59 am to
How does sinking a barge in Bayou Chene prevent backwater flooding?

Couldn't the water just flow around the barge, over the marsh and into the channel
This post was edited on 5/30/19 at 1:56 pm
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/30/19 at 12:01 pm to
quote:

Couldn't the water just flow around the barge, over the marsh and into the channel



Short answer...no

This post was edited on 5/30/19 at 12:02 pm
Posted by ike221
Loo A Vul
Member since Aug 2006
13852 posts
Posted on 5/30/19 at 12:10 pm to
Do levees already exist north and south of the canal?
Posted by tgrbaitn08
Member since Dec 2007
148031 posts
Posted on 5/30/19 at 12:12 pm to
They do north of the canal on Avoca Island, the the land is a lot higher both north and south..the water isnt passing through
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