Extreme Temperature Diary- December 26th, 2018/ Topic: Looking Into 2019… U.S. Weather And Temperature Trends

Wednesday December 26th… 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)😊. 

Looking Into 2019… U.S. Weather And Temperature Trends

I hope everyone had a great Christmas. The final holiday we look to on every 26th of December is New Years, which is now well within credible meteorological model’s predictions for weather trends. We also now have an idea what the first few days of 2019 will be like weather wise. And yes, bleeding over from yesterday’s post the one word to describe the overall pattern into early 2019 is “mild.”

First, most of the nation will experience the wrath of what The Weather Channel has dubbed Eboni on big travel days from tomorrow through Saturday:

As of this writing Eboni is producing a whole host of problems as denoted by current National Weather Service advisories:

 

A blizzard in the Dakotas is quite common for late December, but what strikes me is how mild the air temperature will be outside of the northern Plains. Note the flooding expected across the mild to warm Southeast. Here is what is forecast for Thursday:

Fifty degrees Fahrenheit for Chicago is quite balmy for December. Even temperatures in the Dakotas in association with our blizzard aren’t forecast to be below zero, which I have often  seen in the heart of monster winter storms. Temperatures in the northern Plains will fall below zero finally in the wake of Eboni, though, after Thursday. Today’s departure from average chart shows a lot of mild air fueling a severe threat from Texas through much of the South:

As we know a warmer atmosphere from carbon pollution leads to heavier precipitation. I expect heavy amounts from Eboni’s warm side across the South and in its cold sector over the Dakotas:

Another mild, wet system will get its act together in the South before year’s end, and we should see a more “traditional” Arctic air outbreak on the 1st in the wake of that storm:

For the first time this season we may see below 504 decameter thickness air enter the CONUS noting the above panel. That cold air is forecast to moderate quickly if these model pabpnels are close to being right on the 4th:

In between cold spurts there may be some mild intrusions that will work there way into the Midwest, Northeast, and South warm enough for records to be broken. We’ll see if this warm 850 millibar departure chart verifies:

Certainly I will be reporting on theses should they occur at major reporting sites. Another word I will use in reference to this upcoming pattern is “volatile.” Yes, the current weather pattern resembles current stock market trends. Watch for a wild roller coaster ride of temperatures going from frigid to mild and back as we move into 2019. I’ll be watching to see how many climate change ties will come from the week leading into New Years.

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Here is some other climate and weather 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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