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View Poll Results: When do you think NYC will hit 104 °F (40 °C) for at least 5 straight day ?
2015 4 8.16%
2016-2019 3 6.12%
2020 2 4.08%
2021-2025 4 8.16%
2026 or later 36 73.47%
Voters: 49. You may not vote on this poll

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Old 05-05-2015, 05:41 AM
nei nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

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Location: Western Massachusetts
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Here's the list of 100°F + days in NYC:

http://www.weather.gov/media/okx/Cli...DegreeDays.pdf

Note July 2010, 2011 and 2013 made it to the list of top warmest months for NYC

http://www.weather.gov/media/okx/Cli...earsmonths.pdf

2010 and 2011 got two 100°F + days in a row. 104°F is much harder. 2013 lacked very hot days for the same reason Miami normally doesn't get very hot afternoon temperatures.
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Old 05-05-2015, 05:42 AM
 
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Quote:
Originally Posted by chicagogeorge View Post
St Louis I can see getting a week straight of 40C+ temps. I doubt DC, or Philly


Chicago consecutive record heat is from the Dust Bowl, when drought lowered dew points and allowed for more extreme temps

July 1934 Chicago/Midway had 5 days in a row of 40C+







And a detailed look at that heat wave from the closest NWS station to my house (Kankakee). We had 5 days of 40C+ but not consecutive

Thank's for documents, it's fascinating. Washington D.C. reach 40 °C two times in 2012, Philadelphia didn't reach 40 °C but have many straight days over 35 °C.
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Old 05-05-2015, 05:44 AM
 
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LaSalle County (town of Peru) had 13 days straight of 40C+ heat, and a total of 15 days for the month in July 1936




Here is where LaSalle is in relation to the city of Chicago (about 70 miles from Midway)



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Old 05-05-2015, 05:44 AM
 
Location: Near the Coast SWCT
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Wow for Chicago. Damn! I bet everyone was wondering what the heck was happening to the weather pattern. LOL. We always dealt with extremes, just wish we had daily records from 1800s.

I just searched for most consecutive days of 104°+.

Newark, NJ had 3 in a row July 1993.
Philly & NYC never had 2 in a row..
Atlanta had 3 in a row July 2012.
Miami & Pittsburgh returned no 104° days.
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Old 05-05-2015, 05:46 AM
 
Location: Lexington, KY
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Quote:
Originally Posted by Hartfordd View Post
You are lucky to live in a place with many weather events ! Where I live, the climate is pretty boring.
Yeah. We saw -18F this February and capable of 100s in summer. Amazing the variety we experience.
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Old 05-05-2015, 05:47 AM
nei nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

Over $104,000 in prizes has already been given out to active posters on our forum and additional contests are planned
 
Location: Western Massachusetts
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Anyway, with the current climate the possibility of five 104°F days in a row is zero. With extreme global warming, perhaps it could happen. And the probability of extreme global warming is non-zero, so I'd pick 2026 and later if I had to pick a choice.

But if New York City got hotter, would very hot temperatures become more frequent? Or would higher dew points prevent hot temperatures from occurring. My thought is it would.
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Old 05-05-2015, 05:47 AM
nei nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

Over $104,000 in prizes has already been given out to active posters on our forum and additional contests are planned
 
Location: Western Massachusetts
45,983 posts, read 53,496,782 times
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Quote:
Originally Posted by Cambium View Post
Wow for Chicago. Damn! I bet everyone was wondering what the heck was happening to the weather pattern. LOL. We always dealt with extremes, just wish we had daily records from 1800s.

I just searched for most consecutive days of 104°+.

Newark, NJ had 3 in a row July 1993.
Philly & NYC never had 2 in a row..
Atlanta had 3 in a row July 2012.
Miami & Pittsburgh returned no 104° days.
Wow. Didn't think it had that many.
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Old 05-05-2015, 06:12 AM
 
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I have a questions about the future averages (I think that I can't make another thread for that ), does the July average high of 1991-2020 period would be more or less high than the July average high of 1981-2010 period in NYC Central Park ?
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Old 05-05-2015, 06:21 AM
B87
 
Location: Surrey/London
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It won't.
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Old 05-05-2015, 07:04 AM
 
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Quote:
Originally Posted by nei View Post
But if New York City got hotter, would very hot temperatures become more frequent? Or would higher dew points prevent hot temperatures from occurring. My thought is it would.
I agree. We still can see 40C heat with high dew points (1995 would be a prime example), but for seven days in a row? Highly unlikely or impossible....




Quote:
Originally Posted by B87 View Post
It won't.
New York City wont, but the city of Chicago went 5 in a row during the Dust Bowl (so we have a chance of going 7 days), and some outlying areas like Peru, and Collegeville went 11 days in a row. Collegeville (about 50 miles from the city limits) had 15 days at or above 40C in July 1936


Last edited by chicagogeorge; 05-05-2015 at 07:25 AM..
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