National Geographic photographer Carsten Peter talks about documenting storm chaser Tim Samaras at work in the field.
The National Weather Service announced Tuesday that the deadly tornado that struck El Reno Oklahoma was not only a top-of-the-rung EF-5 rating, but was also an unbelievable 2.6 miles wide -- making it ...
The tornado that struck El Reno, Okla., Friday "is officially the widest known tornado in the U.S.," says the National Weather Service office in Norman, Okla., announcing today that at its widest, the ...
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