center jump

The formation of a second low-pressure center within an already well-developed low-pressure center; the latter diminishes in magnitude as the center of activity shifts or appears to jump to the new center.

Related terms:

• pressure-jump line
• pressure jump
• pressure center
• pressure-fall center
• storm center
• center of action
• pressure-rise center
• katallobaric center
• center of falls
• anallobaric center