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 [KGRB] GREEN_BAY Marine (MA) Warning (W) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
454 WHUS53 KGRB 150659 SMWGRB LMZ542-543-565-567-150830- /O.NEW.KGRB.MA.W.0001.250315T0659Z-250315T0830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Green Bay WI 159 AM CDT Sat Mar 15 2025 The National Weather Service in Green Bay has issued a * Special Marine Warning for... Nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan... * Until 330 AM CDT. * At 159 AM CDT, showers and isolated storms were located along a line extending from 16 nm west of Cleveland to near Sheboygan to 19 nm southeast of Oostburg, moving north at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Kewaunee Pierhead Light, Rawley Point Light, Manitowoc, Two Rivers, and Algoma. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4389 8773 4409 8765 4409 8770 4413 8760 4416 8761 4417 8762 4414 8757 4414 8756 4417 8758 4419 8751 4433 8754 4446 8750 4447 8754 4448 8749 4449 8751 4479 8732 4473 8675 4383 8709 TIME...MOT...LOC 0659Z 202DEG 45KT 4391 8812 4376 8769 4347 8740 HAIL...0.00IN WIND...40KTS $$ Bersch
582 FZUS73 KGRB 150821 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 321 AM CDT Sat Mar 15 2025 LMZ542-543-565-567-150831- /O.EXP.KGRB.MA.W.0001.000000T0000Z-250315T0830Z/ 321 AM CDT Sat Mar 15 2025 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 330 AM CDT... The affected areas were... Nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan... The showers have weakened and no longer pose a significant threat to boaters. && LAT...LON 4389 8773 4409 8765 4409 8770 4413 8760 4416 8761 4417 8762 4414 8757 4414 8756 4417 8758 4419 8751 4433 8754 4446 8750 4447 8754 4448 8749 4449 8751 4479 8732 4473 8675 4383 8709 TIME...MOT...LOC 0821Z 202DEG 45KT 4486 8759 4471 8715 4442 8686 $$ Uhlmann
454 WHUS53 KGRB 150659 SMWGRB LMZ542-543-565-567-150830- /O.NEW.KGRB.MA.W.0001.250315T0659Z-250315T0830Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Green Bay WI 159 AM CDT Sat Mar 15 2025 The National Weather Service in Green Bay has issued a * Special Marine Warning for... Nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan... * Until 330 AM CDT. * At 159 AM CDT, showers and isolated storms were located along a line extending from 16 nm west of Cleveland to near Sheboygan to 19 nm southeast of Oostburg, moving north at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Kewaunee Pierhead Light, Rawley Point Light, Manitowoc, Two Rivers, and Algoma. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 4389 8773 4409 8765 4409 8770 4413 8760 4416 8761 4417 8762 4414 8757 4414 8756 4417 8758 4419 8751 4433 8754 4446 8750 4447 8754 4448 8749 4449 8751 4479 8732 4473 8675 4383 8709 TIME...MOT...LOC 0659Z 202DEG 45KT 4391 8812 4376 8769 4347 8740 HAIL...0.00IN WIND...40KTS $$ Bersch
582 FZUS73 KGRB 150821 MWSGRB Marine Weather Statement National Weather Service Green Bay WI 321 AM CDT Sat Mar 15 2025 LMZ542-543-565-567-150831- /O.EXP.KGRB.MA.W.0001.000000T0000Z-250315T0830Z/ 321 AM CDT Sat Mar 15 2025 ...THE SPECIAL MARINE WARNING WILL EXPIRE AT 330 AM CDT... The affected areas were... Nearshore and open waters of Lake Michigan from Sturgeon Bay to Sheboygan... The showers have weakened and no longer pose a significant threat to boaters. && LAT...LON 4389 8773 4409 8765 4409 8770 4413 8760 4416 8761 4417 8762 4414 8757 4414 8756 4417 8758 4419 8751 4433 8754 4446 8750 4447 8754 4448 8749 4449 8751 4479 8732 4473 8675 4383 8709 TIME...MOT...LOC 0821Z 202DEG 45KT 4486 8759 4471 8715 4442 8686 $$ Uhlmann
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.