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Learning Global Warming facts and fiction

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J.C. said:
Has anyone looked at the new normals yet?
https://www.ncei.noaa.gov/access/us-climate-normals/

KATL (July over 90 now)
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Peachtree-Dekalb Airport (Pretty significant difference from one side of the city to the other)
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Allatoona Dam (northern burbs)
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Ive been posting a lot about them the last couple of days! Peachtree looks identical to raleigh lol, though i think Raleighs hotter summers would give us the higher annual mean. As for KATL that UHI is immense! 54/36 in jan? Not even the coastal regions have diurnals that small! Charlotte now has july over 90 as well, Raleigh had july over 90 in the 81-10 norms, now its very close to 91. Post Augusta if you get the chance, the July avg there is terrifying, almost 95!


Observations - Climate Stats/Extremes/Normals

This is a thread dedicated to as the title said all things climate ! I’ll start us off with average hours spent at certain heat index temps 1973-2020 at RDU.
southernwx.com
 
Lickwx said:
Ive been posting a lot about them the last couple of days! Peachtree looks identical to raleigh lol, though i think Raleighs hotter summers would give us the higher annual mean. As for KATL that UHI is immense! 54/36 in jan? Not even the coastal regions have diurnals that small! Charlotte now has july over 90 as well, Raleigh had july over 90 in the 81-10 norms, now its very close to 91. Post Augusta if you get the chance, the July avg there is terrifying, almost 95!
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Here is the deal with the small variation in Atlanta temps, the elevation keeps the temps normal during the day, but the intense urban heat island keeps the lows up tremendously, especially being surrounded by a massive airport and massive interstates on each side. Peachtree airport is pretty accurate for our area.

Here is Augusta, just brutal.
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RDU
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J.C. said:
Here is the deal with the small variation in Atlanta temps, the elevation keeps the temps normal during the day, but the intense urban heat island keeps the lows up tremendously, especially being surrounded by a massive airport and massive interstates on each side. Peachtree airport is pretty accurate for our area.

Here is Augusta, just brutal.
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RDU
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Kind of funny considering how wet this winter was but precip wise the only 3 months that got drier at RDU were Jan,Feb , and March. Although I think Jan precip days using the .01 cm threshold went up, not sure about the other 2 months.
 
J.C. said:
Here is the deal with the small variation in Atlanta temps, the elevation keeps the temps normal during the day, but the intense urban heat island keeps the lows up tremendously, especially being surrounded by a massive airport and massive interstates on each side. Peachtree airport is pretty accurate for our area.

Here is Augusta, just brutal.
View attachment 83301
RDU
View attachment 83302
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Man that's a big jump. I remember when RDU had 89 for July and 49 for Jan avg highs.


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Jesus waycross is hot, only 5 months of the year have sub 80 degree highs! Compare that to raleigh where only 5 months have greater than 80 degree highs but only 5 have sub 70 degree highs!
 
Not that anyone cares to read this, but I'm posting for my own purposes. Here is how my temps at my house stack up to the new norms.

2020
January: 46.1F +6.2
February 46.7F +3.3
March 58.0F +7
April 58.6F -.7
May 65.3F -2.1
June 72.8F -1.6F
July 77.6F -.1
August 76.4F -.8
September 70F -1.6
October 63.5F +2.6
November 55.4F +5.6
December 43F 0.0

2021
January 42.9F +3
February 44.7F +1.3
March 56.7F +5.7
April 59.7F +.4
 
Guys, keep in mind that CAE is often one of the "cooler" spots around Columbia. Here are the numbers for USC in downtown Cola: :eek:


Jan 59.6 36.7 48.1 3.84 0.2
Feb 64.1 39.7 51.9 3.54 0.0
Mar 71.8 45.8 58.8 4.11 0.0
Apr 80.6 53.6 67.1 2.92 0.0
May 87.2 61.8 74.5 3.63 0.0
Jun 92.6 68.9 80.8 5.41 0.0
Jul 95.6 72.1 83.8 5.17 0.0
Aug 93.8 71.1 82.4 5.01 0.0
Sep 88.8 65.7 77.2 4.25 0.0
Oct 79.5 54.2 66.8 3.31 0.0
Nov 68.9 44.1 56.5 3.04 0.0
Dec 61.3 38.7 50.0 3.88 0.0
 
MichaelJ said:
Question for BHS, so how do you account for the 1930's summers being hotter here than the 2010's? Sure there is Climate Change and it has been going on periodically for thousands of years, before CO2 was a factor.
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CO2 is always a factor as it amplifies any changes caused by the precession in Earth's tilt and orbit which alters the sequestering or release of CO2 and methane by rising and falling ocean temps.


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