Tropical Storm Erika could eventually affect Florida and other sections of the Gulf Coast or Southeast, but for now it poses no threat for the Northeast. This map shows the storm as of early this morning.
This picture shows where Erika is. The various models show a track toward Florida with a lot of uncertainty after that. If it does make it to land, then moves slowly (steering forces look weak), it could be a major rain producer.
On this satellite picture, you can see a cold front approaching the Appalachians. That front helped produce thunderstorms in the Midwest yesterday, but that activity died out overnight. It is likely to reactivate today, with...
...shows a north-south trough line over New England. Moist air will approach this line from the southeast while northerly breezes bring in dry weather west of the line. As the front stalls then slowly backs up, some moisture can spread westward later in the weekend.
A cold front advancing eastward from the Great Lakes and Ohio Valley is sponsoring showers and thunderstorms from Lake Erie to West Virginia. The setup favors even more moisture getting involved, as suggested by the surface pressure map:
A day and a half later, a small ship spotted Anthony and his wife. The tiny piece of land was named Thatcher's Island in memory of the tragic loss from the Great Colonial Hurricane of 1635. The black marker on this map shows Thatcher's Island, Essex County, Massachusetts.
There were multiple areas of thunderstorms in the 25 hours ending at 9AM ET today, as shown on this lightning map. This pattern suggests the possibility of multiple rounds and thunderstorms in the Northeast during upcoming days.