How to recognize a 'radar-confirmed tornado' | AccuWeather
Deadly Dayton tornado packed 140 mph winds. Here's how it developed. - The Washington Post
Radar images of the Moore tornado
The Severe Weather and Tornado Outbreak of May 9, 2016
Spotting A Tornado On Your iPhone-Part Two - Dan's Wild Wild Science Journal - AGU Blogosphere
LIVE RADAR: Tornado Warning for Pearl River County
How accurate is Doppler radar when predicting a tornado? - Quora
Tornadoes on radar: How meteorologists see them
How to “see” Tornados – Cardinal Weather Service
Renny Vandewege on Twitter: "A radar Three body scatter spike from tornado debris. Not sure I've ever seen that before. A horrific image. Thinking of those in Mayfield and other areas impacted