Special Marine Warning for Mississippi Sound; Chandeleur Sound
Official alert fields
What you need to know
- Applies to
- Chandeleur Sound, Mississippi Sound
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Chandeleur Sound... Mississippi Sound... * Until 745 PM CDT. * At 639 PM CDT, a severe thunderstorm capable of producing waterspouts was located over Cat Island, moving south at 10 knots. HAZARD...Waterspouts and wind...
What the bulletin says to do
Strong winds will be dangerous for boaters or anyone near the water. Make sure all on board are wearing life jackets. Seek shelter or move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Full official description
Bulletin details
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Chandeleur Sound... Mississippi Sound... * Until 745 PM CDT. * At 639 PM CDT, a severe thunderstorm capable of producing waterspouts was located over Cat Island, moving south at 10 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... Cat Island.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 17 at 6:39PM CDT until August 17 at 7:45PM CDT by NWS New Orleans LA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS New Orleans LA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected