A "hook echo" and tornado as mapped at fine-scale resolution by a Doppler On Wheels (DOW) radar. Image courtesy of the Center for Severe Weather Research. Disclaimer: AAAS and EurekAlert!

As the storm intensifies, the hook can become very prominent on radar ... they can be seen flying on radar images. Without dual-pol, this may be incorrectly identified as rain, but the additional ...

A powerful, wide-reaching spring storm is threatening parts of the central and eastern US, with a life-threatening outbreak ...

The storm, which displayed a hook echo radar signature, threatens the mid-south and lower Ohio valley with severe weather, including flash flooding and strong tornadoes. At least one fatality has ...