***Official 2023 Weather Thread***

Pope

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Feb 7, 2015
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Can you have an early out on your 1st day of school? :)
 

MLawrence

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Jan 21, 2010
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Definitely more people getting their exercise in early this morning in my neighborhood.
 

Pope

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Feb 7, 2015
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Ankeny has the new Albaugh Senior Community Center, and it has an elevated indoor track (1/10 of a mile). Seniors (60 and older) have free memberships.

It has been a huge blessing during inclement weather like this to be able to exercise in an air conditioned environment!
 

AirWalke

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Aug 7, 2006
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Des Moines
I lowered it to 95 and not really getting the jaw dropping experience. What am I missing?

2017-2022 6.2 average
2011-2016 11.6
2005-2010 3
1999-2004 3.8
1993-1998 2.8
1987-1992 18.6
1981-1986 9.6
1975-1980 8.8
1969-1974 6.2

7.84 average over this time frame

BTW, I'm not denying global climate change, I'm just pointing out that in the Des Moines area, we've seen very little change in my lifetime. If you asked the average Joe walking down the street, they would tell you that we've had a lot more extreme tempatures.

I was musing at the individual data points. We may have had only one 100+ degree day in the past five years, but we had eleven 95+ degree days last year alone. Definitely not arguing anything climate change related. I’m just pointing out that a lot of data gets ignored if we’re using arbitrary measurements like “number of 100 degree days”. To me, there’s very little difference between 97 degrees and 102 degrees… it’s still plenty hot.
 

wxman1

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Jul 2, 2008
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Cedar Rapids
Don't airplanes have trouble creating lift when the air is this warm? Longer takeoff runouts?
Yes, this is called density altitude. Both higher temperatures and higher humidity decrease the density of the air molecules that are obviously needed for lift and engine performance. At 8AM at CID the density altitude was 2,783' while the field elevation is 837'. So the plane will perform like it is at 2,783 despite being at a much lower altitude resulting in longer takeoff runs. I bet we will see density altitudes of 4k+ today.
 

CYEATHAWK

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Aug 26, 2007
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2012 was absolutely brutal. At every stop light in Des Moines you could see rubber sticking to the road from thousands of car tires sitting there over time.


They must have figured out how to prevent the buckling of pavements as well. Because I can remember almost every summer it would seem they were everywhere come July and August.
 
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