Manitoba Storm Watch - #mbstorm Possible bookend vortex (tornado potential) in the Morden area. Hearing reports of significant tree damage. Please be on high alert as that storm tracks to the east,
![Reed Timmer, PhD on Twitter: "Check out this mini-supercell structure that just popped up ahead of the northern elevated supercell associated with the bookend vortex taking shape in southeastern MN. Likely a Reed Timmer, PhD on Twitter: "Check out this mini-supercell structure that just popped up ahead of the northern elevated supercell associated with the bookend vortex taking shape in southeastern MN. Likely a](https://pbs.twimg.com/media/FYXnmB4XgAInGMS.jpg:large)
Reed Timmer, PhD on Twitter: "Check out this mini-supercell structure that just popped up ahead of the northern elevated supercell associated with the bookend vortex taking shape in southeastern MN. Likely a
Matthew Cappucci on Twitter: "We have a #tornado warning for #FtSmith, Arkansas as a new circulation moves in. Similar setup to Arlington, Tex. tornado – kink in the line pinching off a
![Radar Signatures for Severe Convective Weather: Mesoscale Convective Systems (MCSs) Conceptual Model Radar Signatures for Severe Convective Weather: Mesoscale Convective Systems (MCSs) Conceptual Model](http://www.faculty.luther.edu/~bernatzr/Courses/Sci123/comet/radar/severe_signatures/media/graphics/MCS_bookend_example.jpg)