Central US facing a multiday severe weather threat

AccuWeather

As we move towards the end of the week, AccuWeather's Guy Pearson warns of a multiday severe weather threat looming over the central parts of the U.S. that can produce hail, flooding and tornadoes.

Transcript

00:00Guy, let's go right to the severe weather threat here,

00:03the map that we've drawn on Friday.

00:06We just finished our map discussion,

00:08and let's describe the changes that we decided to make.

00:13Let's go over the changes on how this is gonna be altered.

00:20Yeah, so the first thing with this is

00:22we're looking at actually adding in a high-risk area.

00:25And that high-risk area is gonna extend basically

00:30far southern Illinois, far western Kentucky,

00:34across southern Indiana, almost to Louisville.

00:38And we really think that with that main piece of energy

00:41that's coming out that you were showing there on water vapor,

00:43as it ejects out through the afternoon

00:47and then into the evening hours,

00:49we're certainly looking at widespread

00:52and severe weather across this area.

00:54Certainly looking at tornadoes, looking at large hail.

00:57Flash flooding will also be a risk,

00:59but also the damaging winds of 70 to 80 miles an hour,

01:02with that local storm max of 90 as well.

01:04And Guy, this is an area that is very prone to severe weather

01:11when you have a lifting warm front.

01:13We're gonna watch that warm front lift northward,

01:16and all of that Gulf air comes northward.

01:19Explain why this area is so prone to severe weather under these ingredients.

01:25Yeah, so this particular area, you know, it has a lot of influence from the Gulf.

01:32So when you have those warm fronts, which in the springtime, warm fronts are moving north typically.

01:38You've got the quick cold front from the back end coming in from the west as well.

01:42And so you get that mixing of really all the ingredients for severe weather there.

01:46So that lifting warm front, bringing all the, you know, really excess moisture that we need into the area

01:51and heat to really prime the atmosphere while then at the same time, you know,

01:57the cold front or the next piece of energy coming out really isn't too far away,

02:00which will then help set off, you know, severe weather in this particular area.

02:05And we have about a minute left, Guy.

02:08I want to quickly go over the impacts here.

02:11We're thinking mostly damaging winds.

02:14Are we looking at a, at a organized squall line?

02:17Are we worried about discrete sails and the possibility of tornadoes,

02:21or perhaps the tornadoes being embedded within those squall lines?

02:24What's the character of the severe weather, you think, on Friday?

02:30Yeah, I think on Friday, it's, unfortunately, it's probably going to be both.

02:34We're probably going to start out with some discrete sails at the very beginning.

02:37So over far southern Illinois, you'll probably have a few discrete sails,

02:42certainly chances of tornadoes with those storms, as well as the damaging wind threat and large hail.

02:48As we sort of progress through and as that area of storms moves east through time,

02:53so later, you know, very late afternoon, early evening,

02:57it may turn into a little bit more of a squall line area.

03:00So I think, too, though, we'll still have a chance for maybe some quick spin-up front tornadoes

03:06along that edge of the line of storms as it moves east through the evening into the overnight hours.

03:11Severe weather expert Guy Pearson from Wichita, Kansas.

03:14Guy, thanks for joining us and breaking this down.

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