Tropical Cyclones

Tropical Depressions; Tropical Storms; Storm Surge

Tropical depressions are organized systems of clouds and thunderstorms with a defined circulation and with maximum sustained winds of 61km/hr (38mph) or less.

Tropical storms are organized systems of clouds and thunderstorms with a defined circulation and with maximum sustained winds of 63 - 117 km/hr (39-73mph) or less.

A storm surge is a large dome of water that sweeps across the coastline near where a hurricane makes landfall. It is often 50-100 miles wide.

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