PHYSICAL GEOGRAPHY

Physical Geography



Physical Geography

Answer1)

A hurricane is powered by the warmth and moisture of the tropics relatively than temperature dissimilarity across latitudes, as is the case for the more common extratropical cyclone. A hurricane begins as an area of low air pressure over warm ocean waters. The swirl in turn helps new thunderstorms develop. The swirl becomes a tropical storm when the circulating wind speeds, estimated at 10 m above the ocean, exceed 17 m/s, averaged over 1 minute (Emanuel, 2005).

A tropical disturbance or tropical wave is an unorganized accumulation of thunderstorms with very small, if any, organized wind circulation. The ...