Wednesday, April 4, 2012

Video: Stationary front pushes tornadoes to Dallas



>>> dr. greg forbes is the severe weather specialist at the weather channel . he's been on the air all day covering these storms from their atlanta headquarters. we've been watching your coverage all afternoon and evening. when people see this, they ask the same question, what's going on with our weather? how common is not only an early april tornado in tem as, but an outbreak of them in the major metropolitan area .

>> certainly in the metro area , that's really the odd thing today. it's been so localized. on this date, april 3rd , 1974 , we had the original super outbreak , 148 tornados in 24 hours . early april can have these kind of tornados. i do have a graphic that shows why it was so much just texas today. a big spinning upper air low and its cold pocket pushing this edge eastbound. it's mainly this red and blue stationery front. those are often the focal point, that ran right through dallas. that's why all the storms that were basically producing tornados were right in the dallas/ft. worth metroplex and have pushed further off toward the north and east . they're focused right along the frontal area.

>> in watching your coverage today. you seem to say there was good news. all the sirens sounded. notification worked. they weren't as severe as the tuscaloosa sized storms we've seen. you said these were with moving slowly, about 25 miles an hour over land. and that can make a storm dwell over an area?

>> yeah, in a can make the winds linger longer. it's amazing how the tractor-trailers twirling around in the air -- i had never seen video like that. very, very lucky, if we get through this without serious injuries or fatalities, considering the kind of upward motion. and must have been pretty strong horizontal motion today.

>> dr. forbes is the man to watch when there is severe weather . thank you very much for being with us tonight.

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