convective activity

noun

, Meteorology.

1. any manifestation of convection in the atmosphere, as hail or thunderstorms.

Example Sentences

“When you introduce thunderstorms or convective activity,” she said, “that’s a wild card about how it’s going to affect a fire.”

From Los Angeles Times

Radar would guide him into Earl's core where rain falls down, surrounded by the circling storm's convective activity that pulls moisture up into the air.

From US News