In the late PM April 6, going into early AM on April 7, 2013 — we saw a Scalar Square RADAR pulse appear just south of Cleveland (between Akron and Mansfield).
Move forward 72 hours , the NWS issues a severe thunderstorm warning for the direct Scalar Square epicenter … Mansfield area.
THE ONLY SPOT IN THE ENTIRE REGION TO RECEIVE A WARNING. Also Hail and Damaging winds detected at the epicenter.
The pulse can be seen at approximately 4min 50sec in this video:
Screenshot below shows the pulse as it happened, and the weather to hit the area within 72 hours:
explanations on what I believe is occurring: