tsurushigumonara
1. If/when cumulonimbus clouds appear.
Noun
#3078198
1. If/when cumulonimbus clouds appear.
1. roll cloud; rotor cloud
1. Hanging cloud; Mammatus cloud
1. With cirrus clouds; Hanging clouds
1. Was a cumulonimbus cloud.
1. Shelf cloud.
1. If it were a shelf cloud; If it is a shelf cloud
1. Not a cumulonimbus cloud.
1. It is not a hanging cloud.
1. It's not a hanging cloud.; It's not a mare's tail cloud.