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 [KHGX] HOUSTON/GALVESTON Marine Dense Fog (MF) Advisory (Y) Number 30
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
846 WHUS74 KHGX 310200 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 900 PM CDT Sun Mar 30 2025 GMZ330-335-350-355-311000- /O.NEW.KHGX.MF.Y.0030.250331T0200Z-250331T1500Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 900 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to 1/4 to 1/2 NM. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent nearshore Gulf waters. * 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. && $$
813 WHUS74 KHGX 310742 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 242 AM CDT Mon Mar 31 2025 GMZ330-335-350-355-311500- /O.CON.KHGX.MF.Y.0030.000000T0000Z-250331T1500Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 242 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Patchy, but dense at times, fog will reduce visibility to 1/4 to 1/2 NM. * WHERE...Portions of Gulf of America. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
Permalink to 202503310200-KHGX-WHUS74-MWWHGX
846 WHUS74 KHGX 310200 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 900 PM CDT Sun Mar 30 2025 GMZ330-335-350-355-311000- /O.NEW.KHGX.MF.Y.0030.250331T0200Z-250331T1500Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 900 PM CDT Sun Mar 30 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Dense fog will reduce visibility to 1/4 to 1/2 NM. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent nearshore Gulf waters. * 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. && $$
Permalink to 202503310742-KHGX-WHUS74-MWWHGX
813 WHUS74 KHGX 310742 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 242 AM CDT Mon Mar 31 2025 GMZ330-335-350-355-311500- /O.CON.KHGX.MF.Y.0030.000000T0000Z-250331T1500Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 242 AM CDT Mon Mar 31 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Patchy, but dense at times, fog will reduce visibility to 1/4 to 1/2 NM. * WHERE...Portions of Gulf of America. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$
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.