Levees becoming issues per Weather Channel. Not in NO, but I have fears that somewhere the pumps will fail.
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Tropical Hurricane Ida
- Thread starter Snowfan
- Start date
Henry2326
Member
TWC just announced this. It's south of New Orleans. Threat: CATASTROPHIC
This is protected levee system.
This is protected levee system.
Last edited:
pcbjr
Member
... and Oh Lord for y'all north ...
Downeastnc
Member
Damn the dude that punched the eyewall to get to the eye for the stadium effect literally goes off the air right as he was about to break free into the eye....
Does anyone know exactly how much of a water rise would cause water to start topping over the levees?
Cadi40
Member
New Orleans will definitely be clipped by the secondary eyewall and it doesn’t help that Ida is in no hurry to exit the area.
Jessy89
Member
That eye though still looks absolutely perfect
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Henry2326
Member
This 2019 article says that they expected the levees to no longer provide risk reduction by 2023 because the levees began sinking. This was faster then they anticipated in 2007.
Hmmmm.....might be even faster to 2021.
https://www.scientificamerican.com/...llion-upgrade-new-orleans-levees-are-sinking/
Reed is in the eye and reporting 942mb pressure still.
Mr. Golf
Member
I guess its been mentioned, but it's the anniversary of hurricane Katrina. I thought it was interesting for that??
It continues to go downhill in New Orleans and the pressure gradient is now up to 6 mb over just a 15 mile distance!
5 PM CDT:
N.O. INTL ARPT HVY RAIN 76 75 97 E48G74 29.16F VSB 1/2
N.O. DWNTWN HE HVY RAIN 77 75 93 E23G46 29.27F VSB 3/4
N.O. LAKEFRONT HVY RAIN 77 76 96 E54G78 29.34F VSB 1/2
5 PM CDT:
N.O. INTL ARPT HVY RAIN 76 75 97 E48G74 29.16F VSB 1/2
N.O. DWNTWN HE HVY RAIN 77 75 93 E23G46 29.27F VSB 3/4
N.O. LAKEFRONT HVY RAIN 77 76 96 E54G78 29.34F VSB 1/2
Henry2326
Member
This article says this about the West side. But it's breaching on the south side now.
"Starting with a giant surge barrier east of the city, the system is a 130-mile (210-kilometer) ring built to hold out storm surge of about 30 feet (9 meters). The National Hurricane Center on Friday projected Ida would bring a surge of 10 feet to 15 feet (3 to 4.6 meters) on the west bank.
At that level, it could come over the levees in some areas, said emergency manager Heath Jones of the Army Corps of Engineers’ New Orleans District.
“They’re designed to overtop in places” with protections against worse damage, including armoring, splash pads and pumps with backup generators, he said."
pcbjr
Member
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earth :: a global map of wind, weather, and ocean conditions
See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Updated every three hours.
HSVweather
Member
Henry2326
Member
Henry2326
Member
Lost generator power in ICU.....had to move them to another floor.
The scary fact is unless we see rapid weakening, that 120-135mph sustained wind will be realized over Lake Pontchartrain and drive a massive surge into the west of it.
Just for clarification, the Lake Borgne Surge Barrier has no bearing on levels in Lake Pontchartrain. There have been talks of an Oosterscheldekering-like structure to block surge coming into the estuary, but it's big money and has some pretty substantial ecological considerations to overcome.