Extreme Temperature Diary-July 13, 2019/ Potential Flooding From Barry And Building U.S. Heat Wave Day Five

Saturday July 13th… 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 the main topic of the day. I’ll refer to extreme or record temperatures as ETs (not extraterrestrials).😉

Potential Flooding From Barry And Building U.S. Heat Wave Day Five

As of this writing minimal strength Hurricane Barry is coming ashore in Central Louisiana. Yes, officially this morning Barry achieved CAT 1 strength at 75 mph. If the name “Barry” is to be retired, it won’t be because of wind, but due to severe flooding as far north as Tennessee as it moves inland just west of the Mississippi River for the bulk of it’s journey.

Heavy rain bands are just now coming into southern Louisiana, which got a reprieve through Friday night due to wind shear and some dry air aloft interacting with Barry’s circulation. We have a long way to go with this thing, though. All indications are that greater than 15″ or more will fall in a wide area from central and eastern Louisiana north to about Memphis. Barry’s slow forward speed will be key to those heavy rainfall totals through at least Monday, but I’m thinking that the bulk of the rain will be over with in Louisiana by Sunday night. Will totals rival that of the August 2016 unnamed storm in a few places? We will see.

As usual, here are some selected social media notes, which I will add to during the course of Saturday. As usual the latest info will be at the top of the list:

As far as that “biggest heat wave as a whole,” so far or the U.S. goes next week models remain uncertain as to the strength and extent of the hest dome and its longevity. I’m chalking this up to very complicated wave dynamics over the north Pacific, which models are having trouble with more than 168 hours out.

We will see if we get a strong, prolonged ridge such as this from the old (more faulty) legacy GFS model:

For now, above 90F heat will reside both to the west and east of Barry’s broad circulation:

Here is more climate and weather news from Saturday:

(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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