First....courtesy of The National Weather Service in NYC.....table above shows how warm it was in the Metro Area in December. Records like this were broken in many place in the East.
Below....satellite picture showing the jet stream dropping south through the Eastern Half of the Nation enabling arctic air to spill south.
Below....satellite picture showing the jet stream dropping south through the Eastern Half of the Nation enabling arctic air to spill south.
Below.....actual early morning temperatures: notice how the cold air now covers most of the Nation........it is January..
Below...map valid for this evening. All of the wet/white weather out west and will come east by not until end of the week and the weekend.
Below...some of the models and how they are handling weather by this weekend in the east. Most agree that one storm goes to Great Lakes and another moves up along the Mid & North Atlantic coasts. There will be a band of wintry mix with the coastal low this weekend....more on that later. For now...bundle up.