EF3 tornado rips through North Carolina amid extreme weather nationwide
The tornado is part of a system of severe weather threatening some 57 million Americans, while extreme heat puts more than 100 million Americans at risk. A powerful tornado ripped through central North Carolina for more than a dozen miles on Wednesday, destroying homes and injuring residents, according to officials. The National Weather Service said early Thursday that a preliminary damage survey indicates the tornado was an EF3, with peak winds up to 150 miles per hour. It's the first EF3 tornado ever observed in central North Carolina in the month of July and the strongest twister for this time of year on record in the state. The National Weather Service currently uses the Enhanced Fujita scale to rate tornado intensity based on wind speeds and the severity of the damage caused. The scale has six intensity categories from zero to five (EF0, EF1, EF2, EF3, EF4 and EF5), representing increasing wind speeds and degrees of damage. There is also an unknown category (EFU) for tornado ...