Hurricane Leslie, Tornadoes in Wake of Isaac

Severe weather follows tropical storm that hit the Gulf Coast.
3:00 | 09/05/12

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Transcript for Hurricane Leslie, Tornadoes in Wake of Isaac
We move on to a gathering storm, this one named leslie, upgraded to a hurricane. Bermuda in its sights. It could arrive over the weekend, not expected to strike the u.S. Attacking winds of 100 pers hour. But as leslie builds it could pack winds up to 110 miles an hour. It's been a week since isaac made landfall in the gulf. Splitting in two, part of it headed south again. In fact, some of the remnants from the storm have now made their way back threatening to become a new tropical storm and the other parts of isaac causing something else tonight. Tornados in an unlikely place. Here's abc's weatheret tour sam champion. Reporter: Remnants of hurricane isaac are still dumping torrents of rain -- nine inches in just the past 24 hours in new jersey. And spawning twisters -- this is cell phone video of a funnel cloud forming in cherry hill, new jersey. Isaac has been a tornado maker since its landfall. This one in gulfport, mississippi. And has left a trail of twisters for dars as far north as arkansas, missouri and illinois. But even with all of isaac's action, it's been a surprisingly light summer for tornadoes. The national severe storms laboratory in norman, oklahoma now saying it's the quietest YEAR SINCE THE 1950s. And this summer's crippling dome of heat and drought are the reason. No rain means no storms, creating fewer tornadoes. That's why isaac, with its 47 tornados in nine states is so remarkable. David.

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