Winter '15 / 16 - Snow Storm #1: NESIS

Rank:  4
NESIS:  7.66
Category:  4
Description:  Crippling

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The storm covered ~434,000 square miles and affected ~103 million people.

Of those, ~1.5 million people had more than 30" of snowfall; ~24 million had over 20".
- NOAA