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re: TulaneLSU's Top 10 hottest days and nights in New Orleans history

Posted on 8/20/23 at 8:21 am to
Posted by TulaneLSU
Member since Aug 2003
Member since Dec 2007
13373 posts
Posted on 8/20/23 at 8:21 am to
Friends,

I have included a graph of nights at 80 or higher in New Orleans from 1893 to 2023. We are now at 29 days in 2023, approaching the record of 43 set in 2016. We will get very close. It would be an interesting chart to look side-by-side at net coastal erosion in SELA with this graph, as I suspect that is the number one driver of this worrisome trend of warmer and warmer nights.



Yours,
TulaneLSU
Posted by Deege
Member since Dec 2007
862 posts
Posted on 8/20/23 at 10:08 pm to
quote:

I suspect that is the number one driver of this worrisome trend of warmer and warmer nights.




Please explain.
Posted by Hobie101
Member since May 2012
570 posts
Posted on 8/21/23 at 11:34 am to
Nights greater than 80deg graph makes global warming difficult to argue. But people will anyway

Clear upward trend starting around 2000
This post was edited on 8/21/23 at 11:41 am
Posted by HotBoudin
Metry
Member since Sep 2003
903 posts
Posted on 8/21/23 at 9:42 pm to
TulaneLSU,

As a native New Orleanian you certainly understand that it’s not just the heat, it’s the humidity. That means that the measurement that makes it different here is dew point. Case in point, last week at 9:30pm I had a dew point in older Metairie of 82*. That is a ridiculous number for that time of evening. Dew point is why our large buildings are struggling to hold temperature as their chillers and cooling towers cannot reject heat and the induced outdoor air is laden with hot moisture.

For me it’s 70* as my three condensing units are on the north side of the abode, separated and partially shaded.

regards…
Posted by TulaneLSU
Member since Aug 2003
Member since Dec 2007
13373 posts
Posted on 8/27/23 at 7:00 am to
Friends,

Be aware that yesterday, MSY set an all-time high of 104, smashing the 1980 record of 102. With a low of 78, it missed the all-time average record of 92.5, with a daily average of 91. Today, however, we could tie the 104 record and smash the daily average record, as lows are predicted at just at 82, which would give us a 93 degree average.

I flew to Seattle yesterday in order to try one of the last remaining Shakey's Pizza locations, thanks to our friend, Degas. I am considering making the return flight today as I do not want to miss this potentially historic day.

Yours,
TulaneLSU
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