Up to two inches of rain have already fallen and additional rainfall amounts around 1 inch are expected.
The National Weather Service in Sterling, Virginia has issued a flood warning for Frederick County, Carroll County, Baltimore County, Baltimore City, Northern Anne Arundel County, Howard County, Northern Montgomery County, and Harford County until 3:30 PM.
At 9:33 AM, Doppler radar indicated heavy rain that will cause flooding. Up to two inches of rain have already fallen and additional rainfall amounts around 1 inch are expected.
This will cause creeks and streams to gradually rise out of their banks. The gauge along the Patapsco River at Elkridge indicates that high water is located along Hammonds Ferry Road and Furnace Avenue.
Some locations that may experience flooding include Baltimore, Columbia, Germantown, Frederick, Bowie, Severn, Pikesville, Crofton, Middle River, Cockeysville, Westminster, Elkridge, Damascus, Aberdeen, Havre De Grace, Riviera Beach, Thurmont, Emmitsburg, Aberdeen Proving GroundS, and Baltimore-Washington Airport.
If you come across a flooded roadway officials say to turn around, don`t drown. Most flood deaths occur in vehicles.