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ESS124
Prof.
Jin-Yi Yu
Origins of the Coastal Cyclones
•Costal
cyclones form in two regions: (1) off the central East Coast and (2) off the
Gulf Coast.
•Cyclones form along the East and Gulf Coasts of the US are often more intense than their Rocky Mountain counterparts, because of:
üCostal cyclones form over warm water è more latent heat to cyclones
üMore
sensible heat from oceann to cyclone
üStronger thermal contrast btw land and ocean
üExist both the polar and subtropical jetstreams
üCyclones over water experience less friction.