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SMW sent by WJON/TV
expired an hour ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties/areas: Northwest North Atlantic Ocean; at 3:00 AM on SEP 4, 2026 Effective until 3:45 AM. Message from TGR/SAGE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073632 9/4/2026 7:00:00 AM (UTC)
2 hours ago
9/4/2026 7:45:00 AM (UTC)
an hour ago
WARNING
SMW sent by DON/JKZ
expired an hour ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Northwest North Atlantic Ocean; at 3:00 AM on SEP 4, 2026 Effective until 3:45 AM. Message from TGR/SAGE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073632 9/4/2026 7:00:00 AM (UTC)
2 hours ago
9/4/2026 7:45:00 AM (UTC)
an hour ago
WARNING
SMW sent by KNA/DAS
expired an hour ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Northwest North Atlantic Ocean; at 3:00 AM on SEP 4, 2026 Effective until 3:45 AM. Message from ERN/CRTV. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073632 9/4/2026 7:00:00 AM (UTC)
2 hours ago
9/4/2026 7:45:00 AM (UTC)
an hour ago
WARNING
SMW sent by KGRX
expired an hour ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Northwest North Atlantic Ocean; at 2:00 AM on SEP 4, 2026 Effective until 2:45 AM. Message from DON/JKZ. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073632 9/4/2026 7:00:00 AM (UTC)
2 hours ago
9/4/2026 7:45:00 AM (UTC)
an hour ago
WARNING
SVR sent by WJON/TV
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties/areas: Manitowoc; Calumet, WI; at 2:57 AM on SEP 4, 2026 Effective until 4:27 AM. Message from KGRB/NWS. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING
SVR sent by ERN/KLT
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Manitowoc; Calumet, WI; at 2:57 AM on SEP 4, 2026 Effective until 4:27 AM. Message from ERN/KLT. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING
SVR sent by ERN/CRTV
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Manitowoc; Calumet, WI; at 12:57 AM on SEP 4, 2026 Effective until 2:27 AM. Message from BELTRAMI. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING
SVR sent by DON/JKZ
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Manitowoc; Calumet, WI; at 2:57 AM on SEP 4, 2026 Effective until 4:27 AM. Message from BELTRAMI. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING
SVR sent by KNA/DAS
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Manitowoc; Calumet, WI; at 2:57 AM on SEP 4, 2026 Effective until 4:27 AM. Message from ALPINE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING
SVR sent by WOLF/IP
expired 51 minutes ago
The National Weather Service has issued A SEVERE THUNDERSTORM WARNING for the following counties or areas: Manitowoc; Calumet, WI; at 1:57 AM on SEP 4, 2026 Effective until 3:27 AM. Message from WOLF/IP. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 055071, 055015 9/4/2026 6:57:00 AM (UTC)
2 hours ago
9/4/2026 8:27:00 AM (UTC)
51 minutes ago
WARNING