Re: How many tropical cyclones have gone from 68 mph to 155 in...
Posted by Fred on 10/22/2013, 8:22 am
Ethel in 1960 went from a 40 kt (46 mph) Tropical storm to a 140 kt (160 mph) Cat 5 in 18hrs!!

http://weather.unisys.com/hurricane/atlantic/1960/ETHEL/track.dat


But the pressure of Ethel does not relate to a Cat 5, It's lowest pressure was 972mb.

http://en.wikipedia.org/wiki/Hurricane_Ethel

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How many tropical cyclones have gone from 68 mph to 155 in... - hanna, 10/21/2013, 11:07 am
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