Clouds racing eastward across Texas, combined with moisture near the ground, are set to create a dangerous situation for severe weather on the evening of Nov. 20.
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00:00 We're already tracking the threat for severe weather.
00:02 Severe weather, and then I know everybody
00:03 wants to know what their travel forecast is looking like.
00:05 We're going to have both of those for you.
00:07 But with a significant round of severe weather
00:09 threatening southern states and parts of the Gulf Coast,
00:12 lives and property will be in danger once again.
00:15 Let's bring in AccuWeather chief meteorologist John Porter
00:18 for more on the situation.
00:19 Hi, John.
00:20 Thanks for joining us.
00:22 We are seeing a volatile setup here
00:25 across parts of the southern United States.
00:27 And I want to take a look at a special version
00:29 of our satellite loop.
00:31 So we're looking at space, the weather setup here.
00:33 And you can see first a spin across portions of Kansas.
00:37 This is a upper level area of low pressure
00:39 that's intensifying.
00:41 At the same time, look at these clouds across Texas.
00:44 They're racing eastbound.
00:45 That tells us there's a lot of wind energy in the atmosphere.
00:48 And that's going to combine with some moisture
00:51 near the ground here to produce dangerous thunderstorms,
00:54 including a tornado risk that will last well into the night.
00:57 And John, how long do you think that this will last?
01:01 Is this going to be a multi-day duration event?
01:03 Or do you just see this being confined to the overnight?
01:06 Well, we're going to have some problems here
01:08 as we head through the rest of the evening and into tonight.
01:12 Then that threat area will move further east tomorrow.
01:14 So we're going to be talking about Louisiana and Mississippi
01:17 as we head through the coming hours and the overnight hours
01:20 tonight and getting into western parts of Alabama.
01:22 Further east from there here, as we
01:24 make our way over the coming day as well.
01:27 So looks like more problems in spots further to the east
01:30 from Georgia to the Carolinas and also the panhandle
01:33 of Florida on Tuesday.
01:34 But backing up first for this evening,
01:37 the greatest risk will be across portions of Louisiana
01:40 and heading into Mississippi.
01:42 And again, I want to stress that this tornado threat
01:45 and threat for damaging winds will also continue
01:48 through the overnight hours.
01:49 So typically, some times of the year,
01:51 that might not be the case.
01:52 This is going to be a dangerous situation through the night.
01:55 All right, John.
01:59 Well, thank you for that.
02:00 Yes, we definitely want to emphasize
02:02 that risk of nocturnal tornadoes because we
02:04 can't see them coming.
02:05 This is why they're more--
02:07 it's just the information is important.
02:09 It's always important with severe weather.
02:10 Thank you for joining us again, John.
02:12 Good to be with you.
02:14 Good to be with you.
02:15 Thank you.
02:16 (upbeat music)