how fast does a tropical storm have to be before it a hurricane?

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2007-08-21 08:42:27 · 4 answers · asked by soonerfan1217 1 in Science & Mathematics ➔ Weather

once it goes above 74 mph, it becomes a hurricane..

2007-08-25 08:13:03 · answer #1 · answered by Felix 7 · 1⤊ 0⤋

It must go 74 mph, or above, for a Tropical Storm to become a Hurricane.

2007-08-21 08:57:18 · answer #2 · answered by Chris 2 · 0⤊ 0⤋

Once the maximum sustained surface winds are 74 mph or higher, a Tropical Storm is upgraded to Hurricane.

2007-08-21 08:52:35 · answer #3 · answered by David E 3 · 0⤊ 0⤋

I believe that is 74 mph or above.

2007-08-21 08:51:27 · answer #4 · answered by Brian Sanders 5 · 0⤊ 0⤋