UPDATE: 5 P.M.: The Tornado Watch has been lifted for Howard and Montgomery Counties, Baltimore and Washington. It remains in effect until 8 p.m. south and east of the I-95 corridor. Tornado Warnings have been issued for portions of Virginia.
UPDATE, 5:30 p.m.: A waterspout was reported this afternoon in the tidal Potomac, about 2 miles south southeast of Rock Point, in southern Charles County. (If you have pictures, please send them to me at frank.roylance@baltsun.com)
UPDATE, 6 p.m.: The Tornado Watch is now lifted for Baltimore, Harford and Cecil counties.
An earlier post resumes below: