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SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Montgomery, PA; Somerset, NJ; Bucks, PA; Mercer, NJ; Philadelphia, PA; Hunterdon, NJ; at 5:15 PM on MAY 20, 2026 Effective until 6:00 PM. Message from WAHC/NAT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 042091, 034035, 042017, 034021, 042101, 034019 5/20/2026 9:15:00 PM (UTC)
6 months ago
5/20/2026 10:00:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Montgomery; Chester; Philadelphia, PA; Gloucester, NJ; Delaware, PA; Camden, NJ; at 5:10 PM on MAY 20, 2026 Effective until 6:10 PM. Message from WAHC/NAT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 042091, 042029, 042101, 034015, 042045, 034007 5/20/2026 9:10:00 PM (UTC)
6 months ago
5/20/2026 10:10:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Boone; Lincoln, WV; at 4:56 PM on MAY 20, 2026 Effective until 5:41 PM. Message from ERN/KNA/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 054005, 054043 5/20/2026 8:56:00 PM (UTC)
6 months ago
5/20/2026 9:41:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Harford; Cecil; Baltimore, MD; at 4:55 PM on MAY 20, 2026 Effective until 5:40 PM. Message from WAHC/NAT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 024025, 024015, 024005 5/20/2026 8:55:00 PM (UTC)
6 months ago
5/20/2026 9:40:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Bucks; Berks; Lehigh, PA; Hunterdon, NJ; Northampton, PA; Warren, NJ; at 4:43 PM on MAY 20, 2026 Effective until 5:43 PM. Message from WAHC/NAT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 042017, 042011, 042077, 034019, 042095, 034041 5/20/2026 8:43:00 PM (UTC)
6 months ago
5/20/2026 9:43:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Hunterdon, NJ; Northampton, PA; Warren, NJ; at 4:43 PM on MAY 20, 2026 Effective until 5:43 PM. Message from ERN/KLT/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 034019, 042095, 034041 5/20/2026 8:43:00 PM (UTC)
6 months ago
5/20/2026 9:43:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Clay; Kanawha; Roane, WV; at 4:39 PM on MAY 20, 2026 Effective until 5:39 PM. Message from ERN/KNA/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 054015, 054039, 054087 5/20/2026 8:39:00 PM (UTC)
6 months ago
5/20/2026 9:39:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ and 1 other station
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Suffolk, NY; at 4:32 PM on MAY 20, 2026 Effective until 5:17 PM. Message from KOKX/NWS. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 036103 5/20/2026 8:32:00 PM (UTC)
6 months ago
5/20/2026 9:17:00 PM (UTC)
6 months ago
WARNING
Also sent by
  • ERN/CRTV
SMW sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Synopsis for North Chesapeake Bay and the Tidal Potomac, Northwest Atlantic; at 4:31 PM on MAY 20, 2026 Effective until 6:31 PM. Message from WAHC/NAT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073500 5/20/2026 8:31:00 PM (UTC)
6 months ago
5/20/2026 10:31:00 PM (UTC)
6 months ago
WARNING
SVR sent by DON/JKZ
expired 6 months ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Lincoln, WV; at 4:30 PM on MAY 20, 2026 Effective until 5:00 PM. Message from ERN/KNA/. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 054043 5/20/2026 8:30:00 PM (UTC)
6 months ago
5/20/2026 9:00:00 PM (UTC)
6 months ago
WARNING