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ESS124
Prof.
Jin-Yi Yu
Extratropical Cyclones
•Extratropical cyclones are large swirling storm systems that form along the jetstream between 30 and 70 latitude.
•The entire life cycle of an extratropical cyclone can span several days to well over a week.
•The storm covers areas ranging from several hundred to thousand miles across.
Visible satellite image of an
extratropical cyclone
covering the central United States