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 [KSEW] SEATTLE Marine Dense Fog (MF) Advisory (Y) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
035 WHUS76 KSEW 251500 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 800 AM PDT Tue Mar 25 2025 PZZ132-134-135-251800- /O.NEW.KSEW.MF.Y.0001.250325T1500Z-250325T1800Z/ East Entrance U.S. Waters Strait Of Juan De Fuca-Admiralty Inlet- Puget Sound and Hood Canal- 800 AM PDT Tue Mar 25 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING... * WHAT...Dense fog will reduce visibility less than 1 statute mile. * WHERE...East Entrance U. S. Waters Strait Of Juan De Fuca, Admiralty Inlet and Puget Sound and Hood Canal. * WHEN...Until 11 AM PDT 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. && $$ PZZ150-153-156-170-173-176-252300- /O.CON.KSEW.GL.A.0005.250327T0600Z-250328T1200Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 800 AM PDT Tue Mar 25 2025 ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...South winds 25 to 35 kt and seas 18 to 23 ft possible. * WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater out to 60 nm. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Watch is issued when the risk of gale force winds of 34 to 47 knots has significantly increased, but the specific timing and/or location is still uncertain. It is intended to provide additional lead time for mariners who may wish to consider altering their plans. && $$ For more information from the National Weather Service visit http://weather.gov/seattle
035 WHUS76 KSEW 251500 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 800 AM PDT Tue Mar 25 2025 PZZ132-134-135-251800- /O.NEW.KSEW.MF.Y.0001.250325T1500Z-250325T1800Z/ East Entrance U.S. Waters Strait Of Juan De Fuca-Admiralty Inlet- Puget Sound and Hood Canal- 800 AM PDT Tue Mar 25 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING... * WHAT...Dense fog will reduce visibility less than 1 statute mile. * WHERE...East Entrance U. S. Waters Strait Of Juan De Fuca, Admiralty Inlet and Puget Sound and Hood Canal. * WHEN...Until 11 AM PDT 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. && $$ PZZ150-153-156-170-173-176-252300- /O.CON.KSEW.GL.A.0005.250327T0600Z-250328T1200Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 800 AM PDT Tue Mar 25 2025 ...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE THURSDAY NIGHT... * WHAT...South winds 25 to 35 kt and seas 18 to 23 ft possible. * WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater out to 60 nm. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Strong winds can cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Watch is issued when the risk of gale force winds of 34 to 47 knots has significantly increased, but the specific timing and/or location is still uncertain. It is intended to provide additional lead time for mariners who may wish to consider altering their plans. && $$ For more information from the National Weather Service visit http://weather.gov/seattle
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.