Tornado outbreak of January 21–23, 2017
Nor'easter (January 23–24)
### Nor'easter (January 23–24\)

After January 22, the extratropical cyclone continued to move to the northeast, striking the mid\-Atlantic and New England states, and the southeastern portions of Canada while transitioning into a [nor'easter](/wiki/Nor%27easter "Nor'easter"), causing high winds, rain, snow, and ice storms. The storms caused wind damage to various buildings, including at least one death, and shuttered several airports and other transportation systems as it passed. It also caused significant [beach erosion](/wiki/Coastal_erosion "Coastal erosion") in parts of New Jersey and flooded coastal communities in New Jersey and [Long Island](/wiki/Long_Island "Long Island"). On the 24th, wind gusts around the New York City metro area approached . Rainfall totals in [Central Park](/wiki/Central_Park "Central Park") were , and  in [Hudson County, New Jersey](/wiki/Hudson_County%2C_New_Jersey "Hudson County, New Jersey").[January 23\-24th Nor'Easter](https://www.weather.gov/okx/storm01232017), NWS New York There was a lane closure on [I\-195](/wiki/Interstate_195_%28Rhode_Island-Massachusetts%29 "Interstate 195 (Rhode Island-Massachusetts)") in [Massachusetts](/wiki/Massachusetts "Massachusetts") as a result of the nor'easter as well.[Lane closed on 195 eastbound in Fall River](https://www.heraldnews.com/story/news/2017/01/24/lane-closed-on-195-eastbound/22616321007/) Fall River Herald, January 24, 2017 One person was killed due to the nor'easter in [Pennsylvania](/wiki/Pennsylvania "Pennsylvania") after they were struck by a car lot sign.[Nor'easter batters Northeast with winds, flooding](https://amp.cnn.com/cnn/2017/01/24/us/noreaster-severe-weather-tornadoes/index.html), [CNN](/wiki/CNN "CNN"), January 24, 2017

Freezing rain and snow caused treacherous traveling conditions across southern [Quebec](/wiki/Quebec "Quebec") on January 24; at least 100 accidents were blamed on slippery roads.


Can you explain the meteorological factors that contributed to the storm's severity?