Secondary cyclone
From Glossary of Meteorology
secondary cyclone
(Or secondary low.) A cyclone that forms near, or in association with, a primary cyclone.
For example, secondary cyclones often form along the east coast of the United States when a primary cyclone is present in the Great Lakes region. Similarly, secondary cyclones often occur over the Baltic when a primary cyclone is present near the coast of Norway.
See also center jump.
See also center jump.