Extreme Temperature Diary- December 12th, 2018/ Topic: A December Thaw…More Mild Weather Related To Climate Change?

Wednesday December 12th… Dear Diary. The main purpose of this ongoing post will be to track United States extreme or record temperatures related to climate change. Any reports I see of ETs will be listed below the main topic of the day. I’ll refer to extreme or record temperatures as ETs (not extraterrestrials)😊. 

A December Thaw…More Mild Weather Related To Climate Change?

Yesterday I presented a cute little cartoon involving the Grinch and carbon taxes. Today we will see if the Grinch of climate change will be stealing away our widespread snow cover over the United States, possibly leaving many with a brown Christmas rather than the traditional white.  After what The Weather Channel called Winter Storm Diego, and due to a cold November and first half of December, snow cover across the lower 48 states is quite decent:

Climate change or no, certainly the snow across the Southeast will melt before Christmas unless another storm like Diego were to come along putting down more white stuff, but there is none to be had. Yours truly did get fooled thinking that a rather strong looking vortex forecast to move through the South would generate a lot of wet snow:

There simply won’t be enough cold air to be drawn into the vortex as it moves east of Texas to produce much if any snow. After the Vortex exits stage right from the CONUS we will see additional warming across the northern tier of states, depleting snow cover in the Midwest and Northeast:

By next Wednesday there will be a huge warm anomaly over most of the United States. A trough will dig into the Northeast cooling that area thereafter, but it’s uncertain how cold at this point. Temperatures are forecast by models to be impressively warm in the Northern Plains by next week:

I’m noting the widescale lack of arctic air closer to 0F across the United States, which one would expect to see in mid-December. We might even see some mild “ETs” well above 40F in some locations.

It’s no wonder that extended outlooks appear currently as such: http://www.cpc.ncep.noaa.gov/

We’ll keep tabs on the old climate change snow Grinch and Scrooge as we approach Christmas. Certainly the dice are being stacked towards warmth during the winter anywhere on the planet due to carbon pollution. Outside of the Rockies will white Christmases soon become a thing of the past? Bah Humbug. 

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Here is some more weather and climate news from Wednesday:

 

(As usual, this will be a fluid post in which more information gets added during the day as it crosses my radar, crediting all who have put it on-line. Items will be archived on this site for posterity.)

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The Climate Guy

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