Mini Cloud Atlas
Spreading Anvil Cloud
Despite the small multicellular updraft area, it was intense enough to pump copious volumes of moisture into the anvil--a cloud formation unto itself but one that is a defining part of (and dependent upon) cumulonimbi. The small cumuli at right, beneath the NW edge of the anvil, are splendid exammples of convection forming along a differential-heating boundary. We often see such cloud lines beneath Great Plains storms, and sometimes their towers can develop into new storms in their own right.
2 ESE May OK (3 Jun 12) Looking WNW