Showers and thunderstorms will frequent parts of the Southeast through the weekend, and AccuWeather forecasters say there is a chance they could organize into a tropical system.
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00:00 Well, the wet pattern continues across Florida, but it's not going to be as wet across Florida
00:07 as what we've seen so far this week.
00:09 Now the overall pattern hasn't changed.
00:11 We have this frontal boundary again that has been stalled across north Florida.
00:15 Here's what happens.
00:16 Out ahead of that front or north of the front, the wind comes in out of the north.
00:20 South of the front comes in out of the south-southeast.
00:22 And you know what you get?
00:23 You get this convergence along the boundary where the air comes together.
00:27 And when you get convergence, the air comes up.
00:30 It's forced.
00:31 It collides.
00:32 It's forced to go up.
00:33 You get showers and thunderstorms.
00:34 And of course, south of this boundary, what you're also dealing with is a lot of unsettled
00:38 air, warm, humid air.
00:40 With the sun out, we get some thunderstorms.
00:42 Now, the last couple of days, those thunderstorms have been numerous.
00:45 Not as much the next couple of days.
00:47 And here's why.
00:49 Last couple of days, we've had this surge of tropical moisture coming in from the Caribbean
00:55 into Florida.
00:56 Yesterday, it was more widespread.
00:57 It covered the entire state.
00:59 Today, notice where it is.
01:01 South Florida.
01:02 That's where it's been cloudy much of the time.
01:03 And this is where I think you're going to get the bulk of the thunderstorms as we go
01:07 through today.
01:08 Now, having said that, along that boundary, we're still going to have thunderstorms popping
01:12 as we go through the afternoon.
01:14 Here they are.
01:15 They're very spotty, though.
01:16 Watch what happens later on this afternoon.
01:19 Let me clear the screen here.
01:21 And let me highlight this for you.
01:23 We'll spotlight it.
01:24 Watch this area across south Florida.
01:27 Thunderstorms start to become a little more numerous, don't they?
01:29 And they're also very slow moving.
01:31 So there's going to be some big-time rain with these thunderstorms.
01:34 Now, same story in north Florida.
01:36 The thunderstorms are spottier, but they're going to be able to produce some locally heavy
01:40 rain as they sit in areas for an extended period of time.
01:43 The other story is, last couple of nights, the thunderstorm lingered well after midnight.
01:48 We're not going to see this.
01:50 Once the sun goes down, I think the thunderstorms are going to collapse.
01:53 As we head toward Friday and the upcoming weekend, you're going to start seeing that
01:56 frontal boundary push south a little bit here.
01:59 So less thunderstorms in north Florida.
02:01 But I'll tell you what, right through the weekend, it's south Florida that we're going
02:04 to see where we're going to see the lion's share of the thunderstorms.
02:08 And that's probably, certainly is the highest risk for flash flooding.
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