Special Marine Warning
NWS Lake Charles LA ยท US
New
Details
Special Marine Warning Issued September 21 At 3:14PM CDT Until September 21 At 3:45PM CDT By NWS Lake Charles LA
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
Overview
SMWLCH The National Weather Service in Lake Charles has issued a * Special Marine Warning for... Atchafalaya and East Cote Blanche Bays... * Until 345 PM CDT. * At 314 PM CDT, a strong thunderstorm was located near Atchafalaya Bay, moving west at 10 knots.
Hazard
Wind gusts to nearly 50 knots.
Source
Radar.
Impacts
Small craft could be damaged in briefly higher winds and suddenly higher waves.
Locations impacted
Atchafalaya Bay.
Instructions
Move to safe harbor immediately as gusty winds and high waves are expected.
Affected areas
- Atchafalaya and East Cote Blanche Bays
Public contact
- Issuer
- NWS Lake Charles LA
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m2s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M32SQ4KTGQW9D4KMTN3074NM
- Identifier
- urn:oid:2.49.0.1.840.0.b2fb73d67237afb050fac723dda4c1d5f2463280.001.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Lake Charles LA
- AWIPS ID
- CAPLCH
- NWWS sequence
- nwws_processor.3985
- 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 | SMWLCH |
| WMOidentifier | WHUS54 KLCH 212014 |
| eventMotionDescription | 2026-09-21T20:14:00-00:00...storm...088DEG...12KT...29.43,-91.31 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KLCH.MA.W.0083.260921T2014Z-260921T2045Z/ |
| eventEndingTime | 2026-09-21T15:45:00-05:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Atchafalaya and East Cote Blanche Bays
| Name | Value |
|---|---|
| SAME | 077436 |
| UGC | GMZ436 |
- Polygons
- 29.34,-91.2 29.37,-91.24 29.36,-91.27 29.31,-91.3 29.31,-91.32 29.34,-91.35 29.33,-91.37 29.34,-91.36 29.35,-91.36 29.36,-91.39 29.38,-91.39 29.39,-91.47 29.4,-91.46 29.41,-91.48 29.39,-91.48 29.45,-91.62 29.53,-91.54 29.55,-91.41 29.47,-91.27 29.34,-91.2