Oklahoma tornado completes mile-wide loop

05:38
Oklahoma tornado completes mile-wide loop
NWS Meteorologist Dr. Vivek Mahale explains how a supercell thunderstorm produced a tornado that completed a mile-wide loop in Oklahoma earlier this month.

NWS Meteorologist Dr. Vivek Mahale explains how a supercell thunderstorm produced a tornado that completed a mile-wide loop in Oklahoma earlier this month.