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What are the chances the morganza spillways is open

Posted on 3/9/19 at 7:02 pm
Posted by denhamtiger
Denham Springs
Member since Jan 2014
661 posts
Posted on 3/9/19 at 7:02 pm
With the river as high as it is?
Posted by Chuker
St George, Louisiana
Member since Nov 2015
7544 posts
Posted on 3/9/19 at 7:17 pm to
betta git yo lifejacktes boi
Posted by wickowick
Head of Island
Member since Dec 2006
45812 posts
Posted on 3/9/19 at 7:23 pm to
Crossing my fingers they don’t open it and I don’t have to go clean out my camp.
Posted by Capt ST
Hotel California
Member since Aug 2011
12837 posts
Posted on 3/9/19 at 7:23 pm to
50/50
Posted by dat yat
Chef Pass
Member since Jun 2011
4314 posts
Posted on 3/9/19 at 8:04 pm to
Zero, it is not open.

But there is a chance it could be opened.
Posted by Jester
Baton Rouge
Member since Feb 2006
34320 posts
Posted on 3/9/19 at 9:17 pm to
Not likely right now. Stage trigger is hit, but they aren't expected to hit the flow trigger.
Posted by sta4ever
The Pit
Member since Aug 2014
15188 posts
Posted on 3/9/19 at 11:29 pm to
Exactly. The states being prepared right now for a flood so everyone will be ready. I wouldn’t worry about it right now but just keep a small eye on it in the coming months
Posted by ScottieP
Baton Rouge, LA
Member since Feb 2004
1933 posts
Posted on 3/9/19 at 11:30 pm to
Morganza will not be opened for this rise. The river will crest at Red River Landing on Tuesday at 61.5ft. It is currently 61.2 ft. It will stay at 61.5ft for 3 day then begin falling.

Now will another rise come down once snow melt starts that could cause the river to rise higher in May/June? We will see. But for now no Morganza.

BTW..Bonnet Carre is not even open to capacity.
Posted by omegaman66
greenwell springs
Member since Oct 2007
22780 posts
Posted on 3/10/19 at 12:42 am to
quote:

BTW..Bonnet Carre is not even open to capacity


Bonnet Carre doesn't affect if Morganza spillway is opened.

Morganza affects the amount of water reaching New Orleans but the BC spillway is so far down stream its affects on Morganza are not even measurable.
Posted by White Roach
Member since Apr 2009
9457 posts
Posted on 3/10/19 at 4:51 am to
I think Scottie's point is that the Bonnet Carre is currently flowing less than half of it's capacity and is forecasted to only open 200 of 350 bays for this event. The river flow trigger for the Bonnet Carre is 1.25 million cuft/sec. It's 1.5 million cuft/sec at Morganza. If the trigger is higher at Morganza and the Bonnet Carre is only operating at half capacity, it doesn't seem like Morganza would have to be opened.

Nobody thinks opening the Bonnet Carre will have any significant impact on the flow ~150 river miles upstream at Morganza.
Posted by choupiquesushi
yaton rouge
Member since Jun 2006
30576 posts
Posted on 3/10/19 at 8:57 am to
100 % if the current weather pattern in the miss river drainage holds true for another few weeks. ie up north keeps getting more precip... yes it will...

This post was edited on 3/10/19 at 9:00 am
Posted by White Roach
Member since Apr 2009
9457 posts
Posted on 3/10/19 at 9:30 am to
I know it's only March 10th and a lot can change over the next 6 or 8 weeks, so anything is possible. But I thought the OP asking about this current river crest, not a potential 2nd or 3rd crest later in the season.
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