Severe Severe Storm ● Closed

Special Marine Warning issued September 7 at 12:00PM CDT until September 7 at 1:00PM CDT by NWS New Orleans LA, United States of America

Event time: Sep 7, 2026 17:00 UTC Last updated: Sep 16, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

SMWLIX

The National Weather Service in New Orleans has issued a

* Special Marine Warning for...
Chandeleur Sound...
Coastal waters from Pascagoula Mississippi to Stake Island out 20
NM...

* Until 100 PM CDT.

* At 1159 AM CDT, a severe thunderstorm capable of producing
waterspouts was located 14 nm east of Chandeleur Sound, moving west
at 25 knots.

HAZARD...Waterspouts and wind gusts 34 knots or greater.

SOURCE...Radar.

IMPACT...Waterspouts can quickly form and capsize boats...damage
vessels and oil rigs...and create suddenly higher waves.
Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Locations impacted include...
Chandeleur Sound.

Measurements

Coordinates	29.8750, -88.9617
Region	Chandeleur Sound; Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en-marine
Cap Urgency	Immediate
Cap Certainty	Likely
Cap Expires	2026-09-07T13:00:00-05:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 42 days ago (Sep 7, 2026 17:01 UTC) · we last heard from WMO Alert Hub (national weather services) 5 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Severe Thunderstorm Warning — Clay, WV; Fayette, WV; Kanawha, WV; Nicholas, WV Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Lancaster, PA; York, PA Severe Severe Storm United States closed via NWS Aug 8, 2026 Special Marine Warning — Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD Severe Severe Storm United States closed via NWS Aug 8, 2026 Severe Thunderstorm Warning — Chester, PA Severe Severe Storm United States closed via NWS Aug 8, 2026

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.