Weekend nor'easter may bring major flooding to Northeast US

[malaise]

https://www.wunderground.com/cat6/weekend-noreaster-may-bring-major-flooding-northeast-us
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A low-pressure system centered over western Oklahoma on Wednesday morning is headed toward New England, and will dump heavy rains of 3 - 5” across portions of the Lower Mississippi Valley and Tennessee and Valley through Friday as the storm pulls near-record amounts of atmospheric moisture from the Gulf of Mexico. These rains will add to the ongoing serious flood event in the region.

By Thursday night, when the low will be passing near Cleveland and Pittsburgh, the system will undergo a complex interaction with a short-wave trough of low pressure to its north, resulting in the formation of a secondary area of low pressure--a nor’easter--off of the Northeast U.S. coast. This nor’easter will intensify dramatically on Friday, bringing a wide range of hazards to the Northeast U.S.—heavy rains of 2 – 3” along the coast, heavy snows in excess of one foot to the higher elevations of New England, strong winds with gusts up to 60 mph along the coasts of Rhode Island and Massachusetts, and a storm surge of 2 – 3’ (with 20 – 30-foot waves), capable of causing major coastal flooding and erosion to the coasts of Massachusetts, New Hampshire, and Maine.
A long-duration Nor’easter during the highest tides of the month

In Boston, the worst flooding is expected to occur during the high tide cycles near 11 am Friday and 11 pm Friday, when waves of 25 – 30 feet are possible just offshore. The NWS in Boston was giving a low (< 30 %) of major coastal flooding, but predicted at least moderate coastal flooding with significant beach erosion. If the Wednesday morning guidance from the GFS model comes true, though, the coast from Boston to central Maine will experience a top-five highest storm tide on record during three tidal cycles—late morning on Friday, late evening on Friday, and again late morning on Saturday. This stretch of coast is already struggling with tens of millions of dollars in damage wrought by the storm surge of Winter Storm Grayson on January 4, 2018. That storm brought a top-five highest storm tide on record to the coast from Boston to Central Maine, including the highest water levels ever recorded at Boston, Massachusetts and Bar Harbor, Maine (see video below of storm surge flooding from that storm in Scituate, Massachusetts, located 30 miles southeast of Boston).

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Stay safe DUers

[BigmanPigman]

1. It is a good thing this isn't occurring during the super

moon, that would make It even worse.

[malaise]

3. I was outside about an hour ago and was really surprised to see the moon rising

so early - it was about 6.10. Was lovely between clear blue skies and clouds above.
Full moon is actually tomorrow - Waxing Gibbous tonight with 98.5%

[smirkymonkey]

2. Thanks Malaise!

I think I am going to wfh on Friday. It looks like it's going to be pretty messy here in Boston and I don't think I want to leave my apartment. Getting to work my not be bad, but getting home will probably be a nightmare.

[malaise]

4. Stay safe

that's what counts

[smirkymonkey]

5. Thank you!

I work down by the Seaport and live very close to the river (although I am on the 8th floor) but I don't want to be commuting in that mess. I appreciate the warning!

[JDC]

6. Thx for this. NH Seacost here.

[malaise]

7. Masters has a very detailed article there

Get some basics before the rush and stay safe - saw some serious reports out of Boston

[JDC]

8. So far pretty tame here. Went down to the beach earlier

Was definitely heavy surf. Wind picking up some, but rained stopped. Thx again.

[malaise]

9. Then enjoy it

That's good news

[NutmegYankee]

10. Southeast Conn getting clobbered.

Many roads blocked by downed trees. My power is out along with thousands of others.