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... wasn't a hurricane at landfall. The National Hurricane Center report on Sandy is out:

www.nhc.noaa.gov/data/tcr/AL182012_Sandy.pdf
Sandy weakened somewhat and then made landfall as a post-tropical cyclone near Brigantine, New Jersey with 70-kt maximum sustained winds. Because of its tremendous size, however, Sandy drove a catastrophic storm surge into the New Jersey and New York coastlines.


Yes, this is technically true. However, Sandy was not a hurricane at landfall because of its weakened wind strength, but because of its post-tropical nature (i.e., because it was by this time deriving most of its energy from interactions with temperate latitude frontal systems, rather than from the latent heat of tropical oceans). Sandy's wind field at landfall (70 kt, or 80 mph, maximum sustained winds) was still that of a Category 1 hurricane on the Saffir-Simpson scale. So, in terms of damage, this distinction is irrelevant. Most of the damage in any case wasn't due to wind but the very large storm surge associated with Sandy's extended wind field.

Phil
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