IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
Tab Functionality:
Above this section, you will notice six selectable tabs. Click on
the tab to show the information.
- Help: This page!
- Event Info: Details of the selected event.
- Text Data: The raw text product for this event.
- Interactive Map: An interactive map showing the event and RADAR.
- Storm Reports: Local Storm Reports.
- List Events: List all events of the given phenomena, significance, year, and issuing office.
Web Services Used:
This application is fully driven by IEM web services.
2025 [KLCH] LAKE_CHARLES Marine Dense Fog (MF) Advisory (Y) Number 18
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
849 WHUS74 KLCH 301915 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 215 PM CDT Sun Mar 30 2025 GMZ430-432-435-436-450-452-455-311100- /O.NEW.KLCH.MF.Y.0018.250331T0200Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 215 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...From 9 PM this evening to 10 AM CDT Monday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
262 WHUS74 KLCH 310313 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 1013 PM CDT Sun Mar 30 2025 GMZ430-432-435-436-450-452-455-311500- /O.CON.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1013 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...Until 10 AM CDT Monday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
163 WHUS74 KLCH 310643 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 143 AM CDT Mon Mar 31 2025 GMZ430-432-435-436-450-452-455-311445- /O.CON.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 143 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
206 WHUS74 KLCH 311430 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 930 AM CDT Mon Mar 31 2025 GMZ430-432-435-436-450-452-455-311530- /O.CAN.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 930 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY IS CANCELLED... Dense fog has lifted. $$
Permalink to 202503301915-KLCH-WHUS74-MWWLCH
849 WHUS74 KLCH 301915 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 215 PM CDT Sun Mar 30 2025 GMZ430-432-435-436-450-452-455-311100- /O.NEW.KLCH.MF.Y.0018.250331T0200Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 215 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to less than 1 NM. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...From 9 PM this evening to 10 AM CDT Monday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Permalink to 202503310313-KLCH-WHUS74-MWWLCH
262 WHUS74 KLCH 310313 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 1013 PM CDT Sun Mar 30 2025 GMZ430-432-435-436-450-452-455-311500- /O.CON.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1013 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...Until 10 AM CDT Monday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Permalink to 202503310643-KLCH-WHUS74-MWWLCH
163 WHUS74 KLCH 310643 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 143 AM CDT Mon Mar 31 2025 GMZ430-432-435-436-450-452-455-311445- /O.CON.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 143 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Dense fog will reduce visibility to 1/4 NM or less. * WHERE...Portions of and the coastal lakes and bays of the Gulf of America. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Permalink to 202503311430-KLCH-WHUS74-MWWLCH
206 WHUS74 KLCH 311430 MWWLCH URGENT - MARINE WEATHER MESSAGE National Weather Service Lake Charles LA 930 AM CDT Mon Mar 31 2025 GMZ430-432-435-436-450-452-455-311530- /O.CAN.KLCH.MF.Y.0018.000000T0000Z-250331T1500Z/ Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron LA out 20 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 930 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY IS CANCELLED... Dense fog has lifted. $$
All Storm Reports within Event Political Coverage
Storm Reports within Product Polygon
This table lists other events issued by the selected office for the selected year. Click on the row to select that event.