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What is a Nor'easter?


> What is a Nor'easter?

Literally: a cold hurricane.

Some people misuse the term to mean "a blizzard affecting New England and/or the Northeast", but it actually specifically refers to a storm that's been pushed inland by sea winds coming from the northeast, off the Atlantic Ocean. That specific pattern results in a particularly cold and brutal storm.

Nor'easters are technically cyclones, just like hurricanes, and the two are very similar in many regards. The difference is that a Nor'easter forms further north, in cold water, and it is actually strengthened by cold air, whereas hurricanes form further south and are diminished in strength as they cool off.

https://scijinks.gov/noreaster/


Weather nerds will get very confused by ‘a cold hurricane’ since hurricanes are tropical cyclones and tropical cyclones have a warm core by definition.

…but they’ll be fine with a ‘a big cold cyclone’ I guess ;)


> Weather nerds will get very confused by ‘a cold hurricane’ since hurricanes are tropical cyclones and tropical cyclones have a warm core by definition.

Well, it's literally true: a hurricane is a tropical cyclone, and a nor'easter is an extratropical cyclone. A nor'easter is literally the "cold" counterpart of a hurricane!


So like, the Nor'easter is a cryo-cyclone and the regular hurricanes are pyro-cyclones!


It’s just a hurricane in the winter, no biggie. We would enjoy the snow and check out the surf (from a safe distance). I think you aren’t officially supposed to suggest the latter though.


I throw on a dry suit and go surfing. It's awesome.


I mean, it really isn't a huge deal, but the nor'easter that just came across us here in southern maine left about 350k people without power in a state of 1.6 million people.

That's not nothing.


its a lot of warm moisture that comes up the coast from the southeast and slams into cold air from canada and can drop a lot of snow/wind. It can cause bad storms in the ocean and high seas.




A lot of cold water and maybe snow.




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