Extreme Temperature Diary-October 24th, 2019/Main Topic: Arctic Warming Will Aid In The Production Of Another Record Cold Snap For the Western U.S.

Thursday October 24th… Dear Diary. The main purpose of this ongoing blog will be to track United States extreme or record temperatures related to climate change. Any reports I see of ETs will be listed below at the very end of this daily blog. I’ll refer to extreme or record temperatures as ETs (not extraterrestrials).😉

Main Topic: Arctic Warming Will Aid In The Production Of Another Record Cold Snap For the Western U.S.

We know that in the world of weather patterns have a tendency of repeating. During the time of early October when there was record heat in the southern and eastern U.S. there was a record cold snap in the Rockies and other portions of the West. We won’t see much record warmth in the east this go round, but the jet should dive very far to the south for late October producing many reports of record chill out west.

This operational GFS valid for next Tuesday looks very disturbing due to obvious warm ridging around the Arctic. Our old friend, an extension of the polar vortex, is digging into the northern Plains and is quite deep and “December” like. I suspect that this vortex may end up being not quite as deep, and a little further west at the valid time:

For more times than I can remember over the last few years Arctic warming will lead to chill across North America, fooling many on the global warming issue.

Here is the corresponding surface panel:

Less than 510 thickness values in the Dakotas would smash some records in the Midwest. An arctic high should slide south through the Rockies chilling conditions to near record values there.

And of course, there will be more dry, offshore flow in the fiery state of California. We’ll have more about that in today’s news section.

Here are a few more notes concerning the chilly pattern:

Here is more climate and weather news from Monday:

(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. In most instances click on the pictures of each tweet to see each article.)

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Guy Walton- “The Climate Guy”

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