The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: District of Columbia, DC; Anne Arundel; Baltimore; Calvert; Charles; Harford; Howard; Prince George's; Baltimore (city), MD; at 9:12 PM on MAR 16, 2026 Effective until 9:57 PM. Message from WAHC/NAT. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: District of Columbia, DC; Prince George's; Charles; Calvert, MD; at 9:12 PM on MAR 16, 2026 Effective until 9:57 PM. Message from ERN/TSD/. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Prince George's; Charles; St. Mary's; Calvert, MD; at 9:03 PM on MAR 16, 2026 Effective until 9:48 PM. Message from ERN/TSD/. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Anne Arundel; Calvert; Charles; Prince George's; St. Mary's, MD; at 9:03 PM on MAR 16, 2026 Effective until 9:48 PM. Message from WAHC/NAT. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Northwest North Atlantic Ocean; at 8:55 PM on MAR 16, 2026 Effective until 11:25 PM. Message from TGR/SAGE. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Chesapeake Bay from North Beach to Drum Point; Chesapeake Bay from Sandy Point to North Beach,MD, Northwest Atlantic; Synopsis for North Chesapeake Bay and the Tidal Potomac, Northwest Atlantic; at 8:46 PM on MAR 16, 2026 Effective until 10:46 PM. Message from WAHC/NAT. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Chesapeake Bay from Pooles Island to Sandy Point,MD, Northwest Atlantic; Synopsis for North Chesapeake Bay and the Tidal Potomac, Northwest Atlantic; Chesapeake Bay from Sandy Point to North Beach; Chesapeake Bay north of Pooles Island,MD, Northwest Atlantic; at 8:42 PM on MAR 16, 2026 Effective until 11:12 PM. Message from ALPINE/. 

The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Tidal Potomac from Indian Head to Cobb Island; Tidal Potomac from Key Bridge to Indian Head,MD, Northwest Atlantic; at 8:37 PM on MAR 16, 2026 Effective until 10:07 PM. Message from ALPINE. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Montgomery, MD; Fauquier, VA; Frederick, MD; Prince William, VA; Prince George's; Charles, MD; Stafford; Arlington; Falls Church; Fairfax (city); Manassas; Fairfax (county); Alexandria; Manassas Park; Loudoun, VA; District of Columbia, DC; at 8:33 PM on MAR 16, 2026 Effective until 9:18 PM. Message from ERN/TSD. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: District of Columbia, DC; Anne Arundel; Baltimore; Carroll; Charles; Frederick; Howard; Montgomery; Prince George's, MD; Arlington; Fairfax (county); Fauquier; Loudoun; Prince William; Stafford; Alexandria; Fairfax (city); Falls Church; Manassas; Manassas Park, VA; at 8:33 PM on MAR 16, 2026 Effective until 9:18 PM. Message from WAHC/NAT.