Cliff Mass Weather Blog: Hook Echo on the Washington Coast?
Satellite images: Hook echoes, debris and damage
Stu Ostro on Twitter: "Extreme hook echo, debris ball, & 3-D rotation of the #Moore #Oklahoma #tornado My thoughts r w/those affected :( http://t.co/mkswNlSGIL" / Twitter
Supercell Radar Hook Echo 2" Poster for Sale by asasch | Redbubble
Radar Signatures for Severe Convective Weather: Hook Echo, Print Version
Classic “Hook Echo” radar signature moments ago on this tornado producing supercell near Vancourt, Texas! 🌪🌵 | By Meteorologist Nash Rhodes WINK | Facebook
Spotting A Tornado On Your iPhone-Part Two - Dan's Wild Wild Science Journal - AGU Blogosphere
This “𝗵𝗼𝗼𝗸 𝗲𝗰𝗵𝗼” radar signature was observed during a confirmed tornado near Pembroke, Georgia moments ago! The same supercell now has Savannah under... | By Meteorologist Nash Rhodes WINK | Facebook
NEXRad Close-Ups: looking for hook echoes and velocity couplets
Local4Caster Brett Collar gives breakdown of hook echo in Gaylord - YouTube