learn more about the condition at factsonhand.com tonight, the major nor'easter hitting at this hour. the storm bringing heavy snow, ice and rain. winds gusting up to 50 miles per hour. more than a foot of snow possible in some places. the storm hitting from philadelphia up through new york and boston. dangerous driving on icy roads already. a truck crashing head on into an ems vehicle outside pittsburgh. 15 states from north carolina to maine under winter weather alerts tonight. new jersey declaring a state of emergency. new york city shutting down covid testing sites. hundreds of flights canceled or delayed. and now concerns over shipping the vaccine. ginger zee and rob marciano standing by live. also developing as we come on the air tonight, the vaccinations well under way in the u.s. and tonight, the first report of an allergic reaction. a health care worker developing a rash, shortness of breath and