The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Lincoln, NE; at 5:00 PM on MAY 21, 2025 Effective until 5:30 PM. Message from WDON. 

A broadcast or cable system has issued A REQUIRED WEEKLY TEST for the following counties or areas: Alexandria, VA; District Of Columbia/Washington DC; Arlington, VA; Baltimore; Calvert; Charles, MD; Clarke; Culpeper; Fairfax (city); Fairfax (county); Falls Church; Fauquier, VA; Frederick, MD; Fredericksburg, VA; Jefferson, WV; Loudoun; Madison; Manassas Park; Manassas, VA; Montgomery, MD; Orange; Page, VA; Prince George's, MD; Prince William; Spotsylvania, VA; St. Mary's, MD; Stafford, VA; Tidal Potomac from Key Bridge to Indian Head,MD, Northwest Atlantic; Warren, VA; Lancaster, PA; St. John, US Virgin Islands; at 4:20 PM on MAY 21, 2025 Effective until 5:20 PM. Message from WDON. 

A broadcast or cable system has issued A PRACTICE/DEMO WARNING for the following counties or areas: Southeast Bucks, PA; at 4:13 PM on MAY 21, 2025 Effective until 4:28 PM. Message from WDON. 

The National Weather Service has issued A FLASH FLOOD WARNING for the following counties or areas: Beaver, PA; Columbiana, OH; Lawrence, PA; at 3:42 PM on MAY 21, 2025 Effective until 7:12 PM. Message from WDON. 

A civil authority has issued A REQUIRED WEEKLY TEST for the following counties or areas: Clark, NV; at 3:29 PM on MAY 21, 2025 Effective until 4:29 PM. Message from WDON. City of Henderson's Required Weekly Test (RWT). No action required. This is a test, there are no instructions at this time.

The National Weather Service has issued A TORNADO WATCH for the following counties or areas: Wetzel; Marion; Tyler, WV; at 2:40 PM on MAY 21, 2025 Effective until 8:10 PM. Message from WDON. 

The National Weather Service has issued A TORNADO WATCH for the following counties or areas: Butler; Beaver; Lawrence, PA; at 2:40 PM on MAY 21, 2025 Effective until 8:10 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Duval; Nassau, FL; at 2:39 PM on MAY 21, 2025 Effective until 3:24 PM. Message from WDON. 

The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Baker; Duval; Nassau, FL; Charlton; Ware, GA; at 2:06 PM on MAY 21, 2025 Effective until 2:51 PM. Message from WDON. 

A broadcast or cable system has issued A REQUIRED WEEKLY TEST for the following counties or areas: Berks; Carbon; Lehigh; Monroe; Northampton; Schuylkill, PA; at 2:05 PM on MAY 21, 2025 Effective until 3:05 PM. Message from WDON.