The midday GFS (model) forecasts another major snowstorm across the Northeast Corridor beginning next Tuesday and hanging around until Thursday.
Tuesday its all rain and could be heavy from the southeast Ohio Valley to the Mid-Atlantic region. At that time the heaviest rain is in southwest Virginia. Thanks to a 1032 MB cold high pressure system near James Bay frigid March air settles into the northern part of the storm during the daytime hours on Tuesday. Precipitation spreads north to NYC by late day as a cold rain. However, precipitation is going over to snow in the southeast Ohio Valley to western Pennsylvania Tuesday evening.
By dawn Wednesday a storm is developing due south of Long Island. East wind gusts to gale force across southern New England strongest east coastal areas. Mixed precipitation is heavy east/south coasts of southern New England while precipitation is over to heavy snow inland.
Backlash snows extend to Pennsylvania beneath a strengthening upper trough. Snow is falling from Michigan to western Virginia to southern Vermont/New Hampshire Wednesday morning which includes 18 states.
Ohio to the northern Mid-Atlantic to south/east New England is still snowing Wednesday evening. Snow lingers well into Thursday across New England.
Widespread 6+ in. of snow is expected with this storm with many areas accumulating over 1 foot of heavy wet snow. The jackpot area is northern New Jersey!