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Started By
Message
re: Morganza Spillway may or may not open for a 3rd time -- lack of clear info from ACoE
Posted on 2/27/19 at 10:38 am to JudgeHolden
Posted on 2/27/19 at 10:38 am to JudgeHolden
1
Posted on 2/27/19 at 10:39 am to JudgeHolden
(no message)
This post was edited on 1/10/21 at 4:01 pm
Posted on 2/27/19 at 11:00 am to TDsngumbo
quote:
Army Corps Opens Bonnet Carre Spillway LIVE
with the Bonnet Carre now open... I guess the discussion about Morganza hasn't even started yet
Still no concern about having to open Morganza or ORCS/ORCAS yet I assume
Posted on 2/27/19 at 11:01 am to rt3
quote:
Still no concern about having to open Morganza or ORCS/ORCAS yet I assume
I haven't heard any discussion about it yet but if the forecast stages begin to appear to verify, we may start that discussion.
Posted on 2/27/19 at 11:10 am to TDsngumbo
330 of the BCS's 350 bays were opened in 2011... the last time Morganza was also opened
Posted on 2/27/19 at 11:58 am to rt3
Charles Ellet knew what was up in 1852.
LINK
quote:
The unorganized levee system was finally turned over to the Army Corps of Engineers. The levees’ were designed to protect populated areas from potentially disastrous flooding and keep the Mississippi safely within its banks. However, not everyone agreed that levees were the best way to decrease flooding. In 1852, the federal government appropriated $50,000 in order to conduct studies on how to further eliminate the flooding problem. The first study was done by an engineer named Charles Ellet Jr., whose study produced some startling conclusions. His report to Congress attributed the increase of flooding in the Mississippi River Basin to four major developments, including:
"The extension of the levees along the borders of the Mississippi, and of its
tributaries and outlets, by means of which the water that was formerly allowed to
spread over many thousand square miles of low lands is becoming more and more
confined to the immediate channel of the river, and is therefore, compelled to rise
higher and flow faster, until, under the increased power of the current, it may have time
to excavate a wider and deeper trench to give vent to the increased volume which it
conveys."
Ellet also mentioned the effects of increased cultivation, manmade cutoffs/shortcuts, and the lengthening of the delta all of which will increase the probability and magnitude of floods. He concluded that the flooding problem would worsen with time as the Mississippi Basin becomes more settled. According to Ellet, “It is shown that each of these causes is likely to be progressive, and that the future floods throughout the length and breadth of the delta, and along the great streams tributary to the Mississippi, are destined to rise higher and higher, as society spreads over the upper States, as population adjacent to the river increases, and the inundated low lands appreciate in value”.
LINK
Posted on 2/27/19 at 12:07 pm to Capt ST
quote:
Million dollar a mile to transport sediment via pipeline
Is that construction cost, annual operating cost, what?
If that's construction cost... Build a pipeline from ORCS to Venice starting tomorrow. Compared to losing the coast, that's dirt cheap. (LOL)
Posted on 2/27/19 at 12:38 pm to LSUFanHouston
Construction cost, maintenance another animal.
Posted on 2/27/19 at 1:46 pm to rt3
(no message)
This post was edited on 1/10/21 at 4:01 pm
Posted on 2/28/19 at 11:31 am to The Baker
Bump
Posted on 2/28/19 at 11:34 am to ell_13
Today's forecast still holds everything the same. No changes yet.
Posted on 2/28/19 at 12:23 pm to The Boat
Getting higher by the day
Posted on 2/28/19 at 12:25 pm to lsuKountRy
quote:
Getting higher by the day
Just like our nations youth. Maybe it’s time to hang it up.
Posted on 2/28/19 at 12:46 pm to rt3
First meeting I'm aware of re: Morganza is today
Posted on 2/28/19 at 12:51 pm to LSUFanHouston
quote:I would assumed that is the unit price to pump. I would say that it is not feasible to pump sediment 200 Miles. That would require like 50-75 booster pumps along the way, or a ton of barging. Like I said previously, typically the USACE or even CPRA has not pumped further than 20 Miles or so MAX and even then it’s super expensive.
If that's construction cost... Build a pipeline from ORCS to Venice starting tomorrow. Compared to losing the coast, that's dirt cheap. (LOL)
Posted on 2/28/19 at 12:52 pm to rt3
As a Pointe Coupee resident, our concerns are elevated this year due to the saturated ground and how early in the year we have reached the current levels. Regular seepage along the levee seems full-blown and folks are noticing homes shifting, decks cracking, etc.
Talking to neighbors about packing "go" bags, prepping home valuables and tying boats to the porch.
Talking to neighbors about packing "go" bags, prepping home valuables and tying boats to the porch.
This post was edited on 2/28/19 at 12:55 pm
Posted on 2/28/19 at 12:54 pm to lsuKountRy
quote:
our concerns are elevated this year due to the saturated ground
Valid concern regarding the levees, IMO.
quote:
Talking to neighbors about packing "go" bags, prepping home valuables and tying boats to the porch
Eh, although you'd have the last laugh if the saturated levees do fail I think this is a bit overkill.
This post was edited on 2/28/19 at 12:55 pm
Posted on 2/28/19 at 1:46 pm to TDsngumbo
quote:
Eh, although you'd have the last laugh if the saturated levees do fail I think this is a bit overkill.
Doesn't hurt to be prepared, even if you're not likely at all to use it.
Long range forecasts are still messy for the river. The west coast is expected to continue be troughy. Highs keep showing up south of Alaska, keeping the jet stream dipping and connecting with a persistent subtropical jet. Though, take the long range with a grain of salt.
Assuming it does play out this way, where the eastern highs set up is big. Keeping forcing storm tracks up to the midwest and you'll keep getting rain up that way.
The upper midwest seems to be staying cold for the next few weeks at least. While providing any lows a nice temp gradient to feed on, snow melt doesn't look to be a big issue through late March.
There's enough to keep the river elevated for a while. It's April that gets concerning as storm season kicks into high gear and the snow melts but I'll worry more about that when it gets closer.
Posted on 2/28/19 at 1:48 pm to Duke
quote:
There's enough to keep the river elevated for a while. It's April that gets concerning as storm season kicks into high gear and the snow melts but I'll worry more about that when it gets closer.
So are you saying that it's possible for it to go even higher in April than in March once the snowmelt starts? Surely it's going to go down quite a bit by then?
Posted on 2/28/19 at 1:52 pm to TDsngumbo
quote:
So are you saying that it's possible for it to go even higher in April than in March once the snowmelt starts? Surely it's going to go down quite a bit by then?
It's possible, but it assumes the level doesn't drop significantly before then. It's more a worse case potential.
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