A "bow" echo near a line of very strong thunderstorms (probably hail-producing storms).

Straight-line winds were as fast as 32 m/s (about 72 mi/h). Velocities are clearly aliased in the anvil on the RHI. Speeds near 9 km altitude and 20 km range are on the order of 55 m/s (107 kt, 123 mi/h).