I had no idea that there are seven rotating annual sets of tropical storm / hurricane names … nor that there's a sizable set of names that have been retired as "significant" storm names.
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Retired Hurricane Names
The National Hurricane Center uses seven rotating lists of standard names for storms. However, meteorologists will occasionally remove a name from the list after an especially deadly or costly storm….
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Irene didn't seem to make the list, though I have little doubt Sandy will.
Interesting spot. Wonder why Irene didn't, given the explanation.