Alert archive / Illinois / Gale Warnings in 2021
Gale Warning 20, NWS Chicago, IL
NWS Chicago, IL issued this gale warning at Dec 5, 2021, 3:14 AM CST. It took effect at Dec 6, 2021, 12:00 AM CST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 5, 2021, 3:14 AM CST (09:14 UTC)
- In effect from
- Dec 6, 2021, 12:00 AM CST
- Expired
- Dec 6, 2021, 6:00 PM CST
- In force
- 18 hr
- Issued by
- NWS Chicago, IL
The text
As transmitted.
328 WHUS73 KLOT 050914 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 314 AM CST Sun Dec 5 2021 LMZ740>745-051715- /O.CON.KLOT.SC.Y.0102.211205T1000Z-211206T0600Z/ /O.UPG.KLOT.GL.A.0015.211206T0600Z-211206T2100Z/ /O.NEW.KLOT.GL.W.0020.211206T0600Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 314 AM CST Sun Dec 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST MONDAY... * WHAT...For the Gale Warning, west gales to 35 kt. Significant waves to 10 ft. Occasional waves to 13 ft. For the Small Craft Advisory, southeast winds to 30 kt with a few gale gusts to 35 kt. Significant wave to 9 ft. Occasional waves to 12 ft. * WHERE...Portions of Lake Michigan. * WHEN...For the Gale Warning, from midnight tonight to 3 PM CST Monday. For the Small Craft Advisory, until midnight CST tonight. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. 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 severe conditions. && $$
7 follow-up statements
573 WHUS73 KLOT 051537 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 937 AM CST Sun Dec 5 2021 LMZ740>745-052345- /O.CON.KLOT.SC.Y.0102.000000T0000Z-211206T0600Z/ /O.CON.KLOT.GL.W.0020.211206T0600Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 937 AM CST Sun Dec 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST MONDAY... * WHAT...For the Gale Warning, west gales to 35 kt. Significant waves to 10 ft. Occasional waves to 13 ft. For the Small Craft Advisory, southeast winds to 30 kt with a few gale gusts to 35 kt. Significant wave to 9 ft. Occasional waves to 12 ft. * WHERE...Portions of Lake Michigan. * WHEN...For the Gale Warning, from midnight tonight to 3 PM CST Monday. For the Small Craft Advisory, until midnight CST tonight. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
347 WHUS73 KLOT 052038 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 238 PM CST Sun Dec 5 2021 LMZ740>745-060445- /O.CON.KLOT.SC.Y.0102.000000T0000Z-211206T0600Z/ /O.CON.KLOT.GL.W.0020.211206T0600Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 238 PM CST Sun Dec 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM CST MONDAY... * WHAT...For the Gale Warning, west gales to 40 kt. Significant waves to 11 ft and occasional waves to 14 ft, with highest in the Indiana nearshore. For the Small Craft Advisory, south winds to 25 kt. Significant wave to 6 ft. Occasional waves to 8 ft. * WHERE...Portions of Lake Michigan. * WHEN...For the Gale Warning, from midnight tonight to 3 PM CST Monday. For the Small Craft Advisory, until midnight CST tonight. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. 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 severe conditions. && $$
971 WHUS73 KLOT 060331 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 931 PM CST Sun Dec 5 2021 LMZ740>745-061145- /O.CON.KLOT.SC.Y.0102.000000T0000Z-211206T0600Z/ /O.CON.KLOT.GL.W.0020.211206T0600Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 931 PM CST Sun Dec 5 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST MONDAY... * WHAT...For the Gale Warning, west gales to 40 kt. Significant waves to 11 ft and occasional waves to 14 ft, with highest in the Indiana nearshore. For the Small Craft Advisory, south winds to 25 kt. Significant wave to 6 ft. Occasional waves to 8 ft. * WHERE...Portions of Lake Michigan. * WHEN...For the Gale Warning, from midnight tonight to 3 PM CST Monday. For the Small Craft Advisory, until midnight CST tonight. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
762 WHUS73 KLOT 060906 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 306 AM CST Mon Dec 6 2021 LMZ740>745-061730- /O.CON.KLOT.GL.W.0020.000000T0000Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 306 AM CST Mon Dec 6 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...West gales to 40 kt. Significant waves to 11 ft and occasional waves to 14 ft, highest in the Indiana nearshore. * WHERE...Portions of Lake Michigan. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. 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 severe conditions. && $$
364 WHUS73 KLOT 061551 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 951 AM CST Mon Dec 6 2021 LMZ740>745-062100- /O.CON.KLOT.GL.W.0020.000000T0000Z-211206T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 951 AM CST Mon Dec 6 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... * WHAT...West gales to 40 kt. Significant waves 8 to 11 ft occasionally to 14 ft, highest in the Indiana nearshore. * WHERE...Portions of Lake Michigan. * WHEN...Until 3 PM CST this afternoon. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
778 WHUS73 KLOT 062057 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 257 PM CST Mon Dec 6 2021 LMZ740>742-070400- /O.CAN.KLOT.GL.W.0020.000000T0000Z-211206T2100Z/ /O.NEW.KLOT.SC.Y.0103.211206T2057Z-211207T0400Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 257 PM CST Mon Dec 6 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING... * WHAT...West winds to 30 kt with a few gales to 35 kt through early evening. Waves 3 to 5 ft. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...Until 10 PM CST this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ743>745-070000- /O.EXT.KLOT.GL.W.0020.000000T0000Z-211207T0000Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 257 PM CST Mon Dec 6 2021 ...GALE WARNING NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West gales to 40 kt. Significant waves 5 to 8 ft occasionally to 10 ft. * WHERE...Portions of Lake Michigan. * WHEN...Until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
123 WHUS73 KLOT 062343 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 543 PM CST Mon Dec 6 2021 LMZ743>745-070745- /O.EXP.KLOT.GL.W.0020.000000T0000Z-211207T0000Z/ /O.EXB.KLOT.SC.Y.0103.211207T0000Z-211207T1000Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 543 PM CST Mon Dec 6 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CST TUESDAY... ...GALE WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... * WHAT...Northwest winds to 30 kt and significant waves to 7 ft occasionally to 9 feet expected. * WHERE...Calumet Harbor IL to Michigan City IN. * WHEN...Until 4 AM CST Tuesday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...The largest waves will be east of the Indiana Dunes State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>742-070600- /O.EXT.KLOT.SC.Y.0103.000000T0000Z-211207T0600Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 543 PM CST Mon Dec 6 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...West winds to 30 kt and waves 3 to 5 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 1:54 PM CST | Wind Advisory | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 22 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.