Here's the article: http://www.msnbc.msn.com/id/45737262/ns/technology_and_science-science/t/wild-weather-blame-la-nia/#.T7R2TJjU5FI
The first part states the obvious that the heavy snowfall led to flooding all over the Northeast, but it also goes into how La Niña leads to changes in the jet stream, which leads to increased in hurricane and tornadoes.
