3:55 PM EST on December 25, 2010 ... Blizzard Warning in effect from 6 am Sunday to 6 PM EST Monday... The National Weather Service in Upton has issued a Blizzard Warning... which is in effect from 6 am Sunday to 6 PM EST Monday. The Winter Storm Watch is no longer in effect. * Locations... northeast New Jersey... New York City and its immediate suburbs... Long Island... and coastal and interior southeast Connecticut.