Special Marine Warning
NWS New Orleans LA ยท US
New
Details
Special Marine Warning Issued September 21 At 10:30PM CDT Until September 21 At 11:30PM CDT By NWS New Orleans LA
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWLIX The National Weather Service in New Orleans has issued a * Special Marine Warning for... Mississippi Sound... * Until 1130 PM CDT. * At 1030 PM CDT, a severe thunderstorm was located near Pass Christian, moving southwest at 10 knots.
Hazard
Wind gusts 34 knots or greater.
Source
Radar.
Impacts
Small craft could be damaged in briefly higher winds and suddenly higher waves.
Locations impacted
Cat Island, Bay St. Louis, Waveland, Pass Christian, and Long Beach.
Instructions
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.
Affected areas
- Mississippi Sound
Public contact
- Issuer
- NWS New Orleans LA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~48s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M33JN17TFNMJR7RCM6FZ1T16
- Identifier
- urn:oid:2.49.0.1.840.0.cba185361723ae497cad5864a4315519b4d3960b.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS New Orleans LA
- AWIPS ID
- CAPLIX
- NWWS sequence
- nwws_processor.5073
- WMO heading
- XOUS54
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 54
Event codes
| Name | Value |
|---|---|
| SAME | SMW |
| NationalWeatherService | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | SMWLIX |
| WMOidentifier | WHUS54 KLIX 220330 |
| eventMotionDescription | 2026-09-22T03:30:00-00:00...storm...052DEG...11KT...30.27,-89.23 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KLIX.MA.W.0341.260922T0330Z-260922T0430Z/ |
| eventEndingTime | 2026-09-21T23:30:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Mississippi Sound
| Name | Value |
|---|---|
| SAME | 077532 |
| UGC | GMZ532 |
- Polygons
- 30.38,-89.27 30.35,-89.25 30.36,-89.2 30.19,-89.04 30.18,-89.16 30.02,-89.42 30.09,-89.49 30.2,-89.55 30.23,-89.47 30.27,-89.44 30.3,-89.39 30.32,-89.39 30.39,-89.31 30.38,-89.27