The areas affected include... Chesapeake Bay from Pooles Island to Sandy Point MD... Chesapeake Bay north of Pooles Island MD... Chester River to Queenstown MD... Patapsco River including Baltimore Harbor...
At 846 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 16 nm west of Fort Smallwood State Park, moving east at 20 knots.