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.
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Above this section, you will notice six selectable tabs. Click on
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- 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.
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2025 [KGRR] GRAND_RAPIDS Storm (SR) Warning (W) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
519 WHUS73 KGRR 191901 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 301 PM EDT Wed Mar 19 2025 LMZ844>849-200315- /O.UPG.KGRR.GL.W.0010.250320T0300Z-250320T1800Z/ /O.NEW.KGRR.SR.W.0001.250320T0300Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 301 PM EDT Wed Mar 19 2025 ...STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 PM EDT THURSDAY... * WHAT...North gales to 35 knots increasing to storm force winds to 50 knots. Waves building to 12 to 18 feet. * WHERE...St Joseph to Manistee. * WHEN...From 11 PM this evening to 2 PM EDT Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A strong spring time low pressure system moving northeast through the Great Lakes tonight will produce north winds to storm force. Winds and waves will peak late tonight and early Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ DUKE
771 WHUS73 KGRR 200137 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 937 PM EDT Wed Mar 19 2025 LMZ844>849-200945- /O.CON.KGRR.SR.W.0001.250320T0300Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 937 PM EDT Wed Mar 19 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... * WHAT...North winds 25 to 35 knots with gusts up to 50 knots and waves 9 to 14 feet expected. * WHERE...St Joseph to Manistee. * WHEN...Until 2 PM EDT Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$
497 WHUS73 KGRR 200645 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 245 AM EDT Thu Mar 20 2025 LMZ844>849-201800- /O.CON.KGRR.SR.W.0001.000000T0000Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 245 AM EDT Thu Mar 20 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...North winds 25 to 35 knots with gusts up to 50 knots and waves 10 to 18 feet. * WHERE...St Joseph to Manistee. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$
342 WHUS73 KGRR 201547 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 1147 AM EDT Thu Mar 20 2025 LMZ844>849-202000- /O.CAN.KGRR.SR.W.0001.000000T0000Z-250320T1800Z/ /O.NEW.KGRR.GL.W.0011.250320T1547Z-250320T2000Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 1147 AM EDT Thu Mar 20 2025 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...STORM WARNING IS CANCELLED... * WHAT...North gales to 40 knots and waves 8 to 13 feet. * WHERE...St Joseph to Manistee. * WHEN...Until 4 PM EDT this afternoon. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Winds will slowly decrease this afternoon to below gale force. Gale force winds are expected at least into mid afternoon however. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$
Permalink to 202503191901-KGRR-WHUS73-MWWGRR
519 WHUS73 KGRR 191901 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 301 PM EDT Wed Mar 19 2025 LMZ844>849-200315- /O.UPG.KGRR.GL.W.0010.250320T0300Z-250320T1800Z/ /O.NEW.KGRR.SR.W.0001.250320T0300Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 301 PM EDT Wed Mar 19 2025 ...STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 PM EDT THURSDAY... * WHAT...North gales to 35 knots increasing to storm force winds to 50 knots. Waves building to 12 to 18 feet. * WHERE...St Joseph to Manistee. * WHEN...From 11 PM this evening to 2 PM EDT Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...A strong spring time low pressure system moving northeast through the Great Lakes tonight will produce north winds to storm force. Winds and waves will peak late tonight and early Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$ DUKE
Permalink to 202503200137-KGRR-WHUS73-MWWGRR
771 WHUS73 KGRR 200137 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 937 PM EDT Wed Mar 19 2025 LMZ844>849-200945- /O.CON.KGRR.SR.W.0001.250320T0300Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 937 PM EDT Wed Mar 19 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THURSDAY... * WHAT...North winds 25 to 35 knots with gusts up to 50 knots and waves 9 to 14 feet expected. * WHERE...St Joseph to Manistee. * WHEN...Until 2 PM EDT Thursday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$
Permalink to 202503200645-KGRR-WHUS73-MWWGRR
497 WHUS73 KGRR 200645 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 245 AM EDT Thu Mar 20 2025 LMZ844>849-201800- /O.CON.KGRR.SR.W.0001.000000T0000Z-250320T1800Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 245 AM EDT Thu Mar 20 2025 ...STORM WARNING REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... * WHAT...North winds 25 to 35 knots with gusts up to 50 knots and waves 10 to 18 feet. * WHERE...St Joseph to Manistee. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should remain in port, alter course, and/or secure the vessel for severe conditions. && $$
Permalink to 202503201547-KGRR-WHUS73-MWWGRR
342 WHUS73 KGRR 201547 MWWGRR URGENT - MARINE WEATHER MESSAGE National Weather Service Grand Rapids MI 1147 AM EDT Thu Mar 20 2025 LMZ844>849-202000- /O.CAN.KGRR.SR.W.0001.000000T0000Z-250320T1800Z/ /O.NEW.KGRR.GL.W.0011.250320T1547Z-250320T2000Z/ St Joseph to South Haven MI-South Haven to Holland MI- Holland to Grand Haven MI-Grand Haven to Whitehall MI- Whitehall to Pentwater MI-Pentwater to Manistee MI- 1147 AM EDT Thu Mar 20 2025 ...GALE WARNING IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...STORM WARNING IS CANCELLED... * WHAT...North gales to 40 knots and waves 8 to 13 feet. * WHERE...St Joseph to Manistee. * WHEN...Until 4 PM EDT this afternoon. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Winds will slowly decrease this afternoon to below gale force. Gale force winds are expected at least into mid afternoon however. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$
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.