Thunder and lightning are much more common in warm-season storms because of convection, the upward motion of air that helps produce thunderstorms. It's fairly rare to have convection within a ...

NASA's Aqua satellite provided an infrared look at Tropical Storm Conson's thunderstorm cloud-top temperatures on July 14 at 1747 UTC (1:47 p.m. EDT) and found 2 large areas of strong convection ...

It appears as if the convection center of circulation was blown apart -- which is exactly what the wind shear had done to those high thunderstorm tops.

PHOENIX (AZFamily) — A zonal flow of the jet stream has set up in the west. Generally, that means the jet is running west to ...