Storm Hazards
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4 Terms
The Nature of Tropical Storms
forms in tropical regions
characterised by a low pressure centre, thunderstorms and wind speeds which exceed 120 km/h
Causes of Tropical Storms and their Spatial Distribution
Warm ocean waters : above 26 degrees
Low wind shear
At least 5 degrees latitude from the equator allowing for the Coriolis Effect from Earth’s rotation.
Magnitude Of Tropical Storms
The Saffir Simpson Scale has 5 different categories measuring wind speed with cat.5 being greater than or equal to 250 km/h.
Some people argue it should be scrapped as it’s only based on wind. In recent years, 90% of hurricane deaths in the USA have been from water.
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