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Oklahoma State University

Oklahoma scientists using drones to help improve tornado warning times

By North America correspondent Michael Vincent near Stillwater, Oklahoma
Updated Wed 19 Feb 2014, 6:41am AEDT

Man holding a small aircraft outside of an airport hanger.
Video: US scientists testing drones to help predict severe weather events (ABC News)

The sight and sound of a three-kilometre wide tornado bearing down on him is something James Grimsley will never forget.

"It is almost mesmerising ... the amount of energy that it possesses is incredible," he said.

"It is an evil sound ... just an evil sound like a shriek."

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