Page 34 - Squall Line News Today : Breaking News, Live Updates & Top Stories | Vimarsana

All year with this la nina. so all those ingredients came together. what made this particular instance different was that in the morning, there was a squall line that came ahead of the front, and that knocked out a lot of power to a lot of folks around here. they didn't really get the warning because of that power outage. later in the day, these super cells developed individually. when they develop like that individually, they have the ability to take their own form and develop as a storm system in and of themselves and that's when these super cells can drop these twisters. a record day of ove...

>> reporter: an extraordinary event. most people know this time of year you get that hot, humid air from the gulf of mexico and pushes of cold air from canada. you get dry air moving in and you have a fairly strong jet stream, which we've had and had all year with this la nina. what made this particular instance different was that in the morning, there was a squall line that came ahead of the front, and that knocked out a lot of power to a lot of folks around here. they didn't really get the warning because of that power outage. later in the day, these super cells developed individually. when ...

Know i want to ask, why now? how did these tornadoes get sof strong, and so many of them that cnn's own meteorologist. chad, explain this to us. how does this mayhem break out? it broke out because the storms did not lineup. we heard for years a thing called a squall line. 20 little dogs trying to fight for one bowl of food. they all stay little dogs. well, if you have one bowl of food and one dog eating all the food, he becomes one big dog. this storm over tuscaloosa and eventually near huey town had its own energy, moisture, low pressure here where that pressure was.

Didn't line up. you've heard this term before. squall line. squall line is when you get a bunch of storms that all line up and they charge ahead and they knock down trees because they make wind. it's a wind event. all the storms are fighting with each other. we didn't have that yesterday. we had one storm. i'm going to take you back to when this storm, tuscaloosa, right through there, that's where that track went, this was a supercell tornadic thunderstorm. it means the entire storm back here is rotating. the backside is rotating. there's a separate low pressure on the back of this that's suck...

Georgia, into tennessee and into kentucky. we've had this squall line that has been marching eastward all day long. the purple boxes, those are tornado warnings. tornadoes have been confirmed or indicated on doppler radar. we've had multiple reports of touchdowns. wide spread damage across northern alabama. there are literally thousands of trees down. hundreds of thousands of people are without power at this hour. now, the good news is is that this line has been weakening overall. and this is the first wave that's going to be pulling on through. the second wave back here right now. and that's ...