PAR: Kristen’s moving the sector to keep up with a TOR warned squall line component going through OKC. PAR shows echo features around the squall line segment swirling around a broad center while velocity shows vortices rolling up along the gust front interface. It’s amazing to see the evolution of these short-lived features.

This feature is colocated with the surface low center.

Jim LaDue (EWP Weekly Coordinator, 5-9 May)