"We will be dealing with areas of heavy rainfall, as well as some of that frequent lightning, and even some gusty winds will be a factor", Walls said.
These storms are also producing torrential downpours. Although not becoming super dry initially, it should still become more comfortable tomorrow with refreshing air Wednesday and most of Thursday. This is shown in the graphic below, with a almost two-inch bull's eye over the greater D.C. -Baltimore region.
Wind shear of this strength helps storm cells become stronger and longer-lived, and enables them to organize into clusters called multicells.
The Storm Prediction Center is now anticipating a slight to enhanced risk of scattered nasty thunderstorms as depicted here in this chart. A convective line has been ongoing across West Virginia and western Maryland this morning.