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Old 09-04-2011, 07:49 PM
 
Location: Vancouver, BC
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By contrast, interesting to think there are places north of 60N in Europe that have never gone below 0F.. funny how different climates work.
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Old 09-04-2011, 08:00 PM
 
Location: North Beach, MD on the Chesapeake
16,455 posts, read 15,235,470 times
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For NYC, and other cities, y'all are forgetting the Urban Heat Island Effect.
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Old 09-04-2011, 08:28 PM
 
Location: Leeds, UK
14,381 posts, read 7,876,963 times
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Quote:
Originally Posted by deneb78 View Post
By contrast, interesting to think there are places north of 60N in Europe that have never gone below 0F.. funny how different climates work.
I've never recorded a temperature lower than 0F at 53 degrees north..

yeah, the Gulf Stream is a magical thing. Or a terrible thing for me.
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Old 09-04-2011, 08:43 PM
 
Location: New Jersey
10,436 posts, read 5,486,992 times
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Quote:
Originally Posted by nei View Post
Might not. I think it was colder across the US in the late 1800s and early 1900s than today. Looked like below 0F were much more common in NYC years ago than now. It hasn't gone below -2F since 1943 so perhaps extreme cold might be slightly less likely in NYC and probably across the east coast:

http://www.erh.noaa.gov/okx/climate/...w0degdays.html
I don't think the urban heat effect in Tallahassee is nearly as strong as it is in NYC. IIRC, cities up and down the eastern seaboard, including Tallahassee, had nights that were nearly as cold as NYC last December.

These record low temperatures are unlikely, but not impossible.
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Old 09-04-2011, 11:03 PM
 
Location: New York City
2,792 posts, read 2,725,728 times
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Quote:
Originally Posted by nei View Post
Might not. I think it was colder across the US in the late 1800s and early 1900s than today. Looked like below 0F were much more common in NYC years ago than now. It hasn't gone below -2F since 1943 so perhaps extreme cold might be slightly less likely in NYC and probably across the east coast:

http://www.erh.noaa.gov/okx/climate/...w0degdays.html
The decrease in sub 0 temperatures in NYC is striking.
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Old 09-04-2011, 11:19 PM
 
933 posts, read 855,992 times
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Quote:
Originally Posted by MrMarbles View Post
The decrease in sub 0 temperatures in NYC is striking.
global warming.
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Old 09-04-2011, 11:25 PM
 
Location: Leeds, UK
14,381 posts, read 7,876,963 times
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Quote:
Originally Posted by Kaul View Post
global warming.
Global climate altering is what it is referred to nowadays.

Seriously though, NYC has grown so much since the 1800's, no wonder the frequency of sub-zero temperatures has decreased in NYC. Similar in London, a temperature of -21C was reported in London in the 1700's but more or less impossible today due to the huge Urban Heat Island.
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Old 09-05-2011, 09:10 PM
 
Location: Western Massachusetts
26,474 posts, read 12,849,750 times
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Quote:
Originally Posted by dunno what to put here View Post
Global climate altering is what it is referred to nowadays.

Seriously though, NYC has grown so much since the 1800's, no wonder the frequency of sub-zero temperatures has decreased in NYC. Similar in London, a temperature of -21C was reported in London in the 1700's but more or less impossible today due to the huge Urban Heat Island.
Meh. I thought all of Europe was colder in the 1700s.

Going back to NYC, the frequent below zero temps continued till the 1940s. NYC was similar in population to today by the 1940s, though the outer suburbs hadn't been developed yet, but those are at least 20 miles from the Central Park Weather Station, so they shouldn't add much to the heat island. Manhattan and some nearby areas were mostly built up by the end of the 1800s. I'd imagine the fact it being in Central Park would buffer the effects of the heat island a bit.
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Old 09-06-2011, 08:43 AM
 
Location: sevilla-Espaa
112 posts, read 57,290 times
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Austin, Texas - Wikipedia, the free encyclopedia
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Old 09-08-2011, 01:37 AM
 
Location: NW Victoria, Australia
99 posts, read 18,244 times
Reputation: 106
Quote:
Originally Posted by Kaul View Post
global warming.

Or the fact that there is 20 million people's worth of urban heat island.

On a related note, where the hell do you live anyway? Trust you not to put your location in your profile
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