New Study Finds That Outbreaks Of Multiple Tornadoes Becoming More Common

With the advent of WSR-88 NEXRAD Doppler Radar, detecting rotation became simple. Previously the WSR-57 (Mil: AN/FPS-41) displayed blobs on a scope. It was a fun toy, er system, to play with, but an operator had to manually adjust range, tilt, and sweep, and only then might be able to see a hook echo or V-notch.

So, Paul Homewood is spot on here. There are more lower intensity tornados detected now than before–merely because of the tools available. Forensic work, inspecting damage hasn’t changed much.

Here’s a piece from the AMS on Weather Radar history:

http://journals.ametsoc.org/doi/full/10.1175/1520-0434%281998%29013%3C0219%3AHOOUOW%3E2.0.CO%3B2

NOT A LOT OF PEOPLE KNOW THAT

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