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Omaha Steve

(99,574 posts)
Wed Sep 1, 2021, 07:21 AM Sep 2021

Ida's remains threaten once-in-a-century flood event in Northeast

Source: CBS NEWS

BY JEFF BERARDELLI

After slamming into Louisiana with 150 mph winds, Ida has weakened below tropical depression status. But even though the winds are gone, the threat for significant flash flooding remains as the system pushes northeast. In fact, that threat will only grow larger as the tropical moisture merges with a jet stream diving south from the Great Lakes.

The expectation for widespread 4 to 8 inch rainfalls across some parts of the Mid-Atlantic and Northeast has prompted the National Oceanic and Atmospheric Administration's Weather Prediction Center to issue a rare "high risk" for torrential rainfall, warning that this could be a 1-in-100 year event for some areas.

On Tuesday night, the system was located over the eastern Tennessee Valley and Central Appalachians. The rain was falling moderately, but had yet to be supercharged by the impending jet stream. That will happen on Wednesday and Wednesday night.

Weather models are predicting 4 to 6 inches of rain over a widespread area, with isolated spots picking up over 8 inches. The heaviest rain looks to fall from the hills of northern West Virginia and Maryland, northeastward through Pennsylvania, northern New Jersey, southeastern New York and southern New England. This includes cities like Cumberland, Maryland, Harrisburg and Allentown, Pennsylvania, New York City and Hartford, Connecticut.



A rare high risk was issued by NOAA for the area shaded in purple.
CBS NEWS

Read more: https://www.cbsnews.com/news/ida-flooding-northeast/

18 replies = new reply since forum marked as read
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Ida's remains threaten once-in-a-century flood event in Northeast (Original Post) Omaha Steve Sep 2021 OP
"Once in a century." Sure. Champp Sep 2021 #1
The annual once in a hundred years event. MiHale Sep 2021 #2
"DIVE! DIVE! DIVE!" bucolic_frolic Sep 2021 #3
I'm well-inside the red/orange (#4) area. NurseJackie Sep 2021 #4
Looking at the radar it looks like NYC is going to get plastered. honest.abe Sep 2021 #5
I'm wondering if the subways will get flooded.....again dhol82 Sep 2021 #7
Looks like NYC actually dodged the bullet so far. honest.abe Sep 2021 #16
We'll see. The real rain storm isn't supposed to start until around 6. dhol82 Sep 2021 #17
This is a weather report, not news. George II Sep 2021 #6
if you and your home get washed away, it's both.... getagrip_already Sep 2021 #8
Coming right at us today Random Boomer Sep 2021 #9
About 50 years ago Agnes hit PA and southern tier NY. Throck Sep 2021 #10
I remember Agnes it was the only summer flood in doc03 Sep 2021 #12
I had to work in Louisville in May. Throck Sep 2021 #13
I am in the yellow 2 zone in Ohio on the map I have had 4 1/4" doc03 Sep 2021 #11
Ida passed us by here in East TN Farmer-Rick Sep 2021 #14
This has literally been the worst two years ever. Initech Sep 2021 #15
Someone tell me again Unwind Your Mind Sep 2021 #18

bucolic_frolic

(43,123 posts)
3. "DIVE! DIVE! DIVE!"
Wed Sep 1, 2021, 08:58 AM
Sep 2021

Submarine siren sounding. Four to eight. We are really in for it. Evacuate to higher levels already underway.

NurseJackie

(42,862 posts)
4. I'm well-inside the red/orange (#4) area.
Wed Sep 1, 2021, 08:59 AM
Sep 2021

We've had flooding before that ruined some things in our ground-level garage (fortunately, no water ever got inside our home.)

honest.abe

(8,665 posts)
16. Looks like NYC actually dodged the bullet so far.
Wed Sep 1, 2021, 12:22 PM
Sep 2021

The bulk of the storm moved north. But somewhere in the vicinity there are going to be some major flooding issues.

getagrip_already

(14,697 posts)
8. if you and your home get washed away, it's both....
Wed Sep 1, 2021, 10:08 AM
Sep 2021

They are not mutually exclusive when millions of lives are at risk (not millions of deaths, but millions will be at risk).

Random Boomer

(4,168 posts)
9. Coming right at us today
Wed Sep 1, 2021, 10:23 AM
Sep 2021

We're on the edge of Zone 5 with a predicted 6-8" of rain today. Fingers crossed nothing leaks or floods in the house.

Throck

(2,520 posts)
10. About 50 years ago Agnes hit PA and southern tier NY.
Wed Sep 1, 2021, 10:24 AM
Sep 2021

Major floods then with no flood control infrastructure in place. I'll be sleeping on the second floor.

doc03

(35,324 posts)
12. I remember Agnes it was the only summer flood in
Wed Sep 1, 2021, 10:34 AM
Sep 2021

history in Wheeling WV June 24, 1972 the Ohio crested at 49.3'. It was the second worse flood on the Ohio in my lifetime 73 years. We had one in 1964 at 49.7'. Flood stage in Wheeling is 36'.

Throck

(2,520 posts)
13. I had to work in Louisville in May.
Wed Sep 1, 2021, 10:40 AM
Sep 2021

We read a number of signs on the landmarks along the Ohio showing the water heights from that storm. Unbelievable the impact and area that storm covered.

Farmer-Rick

(10,153 posts)
14. Ida passed us by here in East TN
Wed Sep 1, 2021, 10:45 AM
Sep 2021

We just had some nice gentle rain. Only minor flooding. Weird that it went around us and hit the North.

Unwind Your Mind

(2,041 posts)
18. Someone tell me again
Wed Sep 1, 2021, 05:09 PM
Sep 2021

Why we can’t move water around the country with pipelines?

The West is desperate for it

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