Why the increase in snow potential around New Haven (and even NYC)? Weak warm front/low developing off Long Island should help back winds some and keep warmer marine air from flooding in. When coupled with a very cold antecedent airmass it should snow for a while. #nbcct pic.twitter.com/dT2DRy3YFL

— Ryan Hanrahan (@ryanhanrahan) January 17, 2020