cyclonal

Adjective cyclonal has 2 senses

• cyclonal(a = adj.pert) cyclonic, cyclonical - of or relating to or characteristic of the atmosphere around a low pressure center; "cyclonic cloud pattern"
Derived form noun cyclone₁

• cyclonal(a = adj.pert) cyclonic, cyclonical - of or relating to or characteristic of a violent tropical storm; "cyclonic destruction"
Derived form noun cyclone₂