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September 2017 Record Breaking Heat Wave


Hoosier

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19 hours ago, Chinook said:

AT 400 PM EDT (300 PM EST), THE TEMPERATURE AT TOLEDO EXPRESS   
AIRPORT REACHED 92 DEGREES. THIS SETS A NEW RECORD HIGH FOR   
SEPTEMBER 25. THE PREVIOUS RECORD WAS 91 DEGREES SET ON THIS DATE IN   
1891. 

Toledo is 4 for 6 on records

Quote

AT 434 PM EDT (334 PM EST), THE TEMPERATURE AT THE TOLEDO EXPRESS   
AIRPORT REACHED 92 DEGREES. THIS TIES THE RECORD HIGH FOR SEPTEMBER   
26 SET ON THIS DATE IN 1998. 

 

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21 minutes ago, cyclone77 said:

This heat wave was impressive, but for me the Feb 2017 easily beats it.  I've never seen so many days in the 60s that early, and also several 70 degree days including an all-time record Feb temp at MLI.  

I think I'd give it to February.  Both very impressive though as you said.  It might depend on how you analyze it (regionally vs. locally, in addition to other metrics).  70+ in February was almost unheard of prior to this year, while 90s in late September have happened a bit more often through the years (though admittedly not usually a bunch all at once like this time).  Besides that 97 at STL, I'm not sure if another major reporting station reached that mark.  Had there been more upper 90s or even 100, I might be inclined to pick September.

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I think I'd give it to February.  Both very impressive though as you said.  It might depend on how you analyze it (regionally vs. locally, in addition to other metrics).  70+ in February was almost unheard of prior to this year, while 90s in late September have happened a bit more often through the years (though admittedly not usually a bunch all at once like this time).  Besides that 97 at STL, I'm not sure if another major reporting station reached that mark.  Had there been more upper 90s or even 100, I might be inclined to pick September.

By departures from normal (going by Chicago data), the recent anomalous warmth stretches rank March 2012 first, February 2017 2nd and September 2017 third.

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2 hours ago, RCNYILWX said:

By departures from normal (going by Chicago data), the recent anomalous warmth stretches rank March 2012 first, February 2017 2nd and September 2017 third.

Sent from my SM-G935V using Tapatalk
 

Yeah.  I do feel like it's a bit harder to put up insane departures in September than February/March (I mean, the record warmest September for Chicago is "only" +6.6F) but even allowing for that I would give the edge to Feb 2017 and March 2012 for Chicago.

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Looking at anomalous 7 day stretches at DTW since 2012, quite a few ahead of this one. Then again we didn't have the extreme temps Chicago did.

+27.6F Mar 16-22, 2012

-23.4F Feb 14-20, 2015

+21.9F Feb 18-24, 2017

+20.0F Dec 11-17, 2015

-19.6F Jan 02-09, 2014

-19.1F Feb 26-Mar 4, 2014

-19.0F Feb 23-Mar 1, 2015

+17.1F Dec 21-27, 2015

+16.9F Sep 21-27, 2017

 

15-day stretch Mar 11-25, 2012: +23.5F

16-day stretch Feb 13-28, 2015: -20.2F

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20 minutes ago, michsnowfreak said:

Looking at anomalous 7 day stretches at DTW since 2012, quite a few ahead of this one. Then again we didn't have the extreme temps Chicago did.

+27.6F Mar 16-22, 2012

-23.4F Feb 14-20, 2015

+21.9F Feb 18-24, 2017

+20.0F Dec 11-17, 2015

-19.6F Jan 02-09, 2014

-19.1F Feb 26-Mar 4, 2014

-19.0F Feb 23-Mar 1, 2015

+17.1F Dec 21-27, 2015

+16.9F Sep 21-27, 2017

 

15-day stretch Mar 11-25, 2012: +23.5F

16-day stretch Feb 13-28, 2015: -20.2F

Nice list.  Not a coincidence that almost everything is in December to March.

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5 minutes ago, bowtie` said:

Could you imagine a +25 to +30 week or two in July or August?  It would be break out the body bags time.

Some of those dust bowl days probably had close to that on the high temps (where it was near/over 110), but maybe not on overall departures.

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