Scaling a Storm
Some tropical cyclones are stronger than others. Meteorologists, or scientists who study weather, rate how strong a topical cyclone is on a scale from one to five. The weakest is a one. The most powerful is a five. This system is called the Saffir-Simpson Scale.
Saffir-Simpson Scale Category
1 2 3 4 5
Wind Speed
Kilometers Per Hour 119-153 154-177 178-209 210-250 251+
Miles
Per Hour 74-95
96-110
111-130 131-155 156+
6
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