Alert archive / Illinois / Gale Warnings in 2021
Gale Warning 5, NWS Chicago, IL
NWS Chicago, IL issued this gale warning at Feb 3, 2021, 3:04 PM CST. It took effect at Feb 4, 2021, 6:00 PM CST. It was in force for 24 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
- Feb 3, 2021, 3:04 PM CST (21:04 UTC)
- In effect from
- Feb 4, 2021, 6:00 PM CST
- Expired
- Feb 5, 2021, 6:00 PM CST
- In force
- 24 hr
- Issued by
- NWS Chicago, IL
The text
As transmitted.
737 WHUS73 KLOT 032104 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 304 PM CST Wed Feb 3 2021 LMZ743>745-040515- /O.EXT.KLOT.SC.Y.0012.210204T0900Z-210205T0000Z/ /O.UPG.KLOT.GL.A.0002.210204T1800Z-210205T2100Z/ /O.NEW.KLOT.GL.W.0005.210205T0000Z-210205T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 304 PM CST Wed Feb 3 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 6 PM THURSDAY TO 3 PM CST FRIDAY... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft expected. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, from 6 PM Thursday to 3 PM CST Friday. For the Small Craft Advisory, from 3 AM to 6 PM CST Thursday. * 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. && $$ LMZ740>742-040515- /O.EXT.KLOT.SC.Y.0012.210204T0900Z-210205T0000Z/ /O.UPG.KLOT.GL.A.0002.210204T1800Z-210205T2100Z/ /O.NEW.KLOT.GL.W.0005.210205T0000Z-210205T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 304 PM CST Wed Feb 3 2021 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... ...GALE WARNING IN EFFECT FROM 6 PM THURSDAY TO 3 PM CST FRIDAY... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt and waves 4 to 6 ft expected. For the Small Craft Advisory, south winds 15 to 25 kt and waves 5 to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...For the Gale Warning, from 6 PM Thursday to 3 PM CST Friday. For the Small Craft Advisory, from 3 AM to 6 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
9 follow-up statements
373 WHUS73 KLOT 040319 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 919 PM CST Wed Feb 3 2021 LMZ743>745-041130- /O.CON.KLOT.SC.Y.0012.210204T0900Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210205T2100Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 919 PM CST Wed Feb 3 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THURSDAY TO 3 PM CST FRIDAY... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft expected. For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, from 6 PM Thursday to 3 PM CST Friday. For the Small Craft Advisory, from 3 AM to 6 PM CST Thursday. * 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. && $$ LMZ740>742-041130- /O.CON.KLOT.SC.Y.0012.210204T0900Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210205T2100Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 919 PM CST Wed Feb 3 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 AM TO 6 PM CST THURSDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THURSDAY TO 3 PM CST FRIDAY... * WHAT...For the Gale Warning, west winds 15 to 25 kt with gusts up to 35 kt and waves 4 to 6 ft expected. For the Small Craft Advisory, south winds 15 to 25 kt and waves 5 to 8 ft expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...For the Gale Warning, from 6 PM Thursday to 3 PM CST Friday. For the Small Craft Advisory, from 3 AM to 6 PM CST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
753 WHUS73 KLOT 040944 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 344 AM CST Thu Feb 4 2021 LMZ743>745-041745- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.EXT.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 344 AM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...For the Gale Warning, west gales to 35 to 40 kt, significant waves up to 10 ft, and occasional waves up to 13 ft. For the Small Craft Advisory, south winds to 25 to 30 kt. * WHERE...Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Heavy freezing spray is also likely tonight through Friday. 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. && $$ LMZ740>742-041745- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.EXT.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 344 AM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...For the Gale Warning, west gales to 35 to 40 kt, significant waves up to 6 ft, and occasional waves up to 8 ft. For the Small Craft Advisory, south winds to 25 to 30 kt, significant waves up to 8 ft, and occasional waves up to 10 ft. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Heavy freezing spray is likely tonight through Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ Castro
472 WHUS73 KLOT 041553 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 953 AM CST Thu Feb 4 2021 LMZ743>745-050000- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 953 AM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...For the Gale Warning, west gales to 35 to 40 kt, significant waves up to 10 ft, and occasional waves up to 13 ft. For the Small Craft Advisory, south winds to 25 to 30 kt. * WHERE...Indiana nearshore waters. * WHEN...For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Heavy freezing spray is also likely tonight through Friday. A heavy freezing spray warning may be needed. 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. && $$ LMZ740>742-050000- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 953 AM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...For the Gale Warning, west gales to 35 to 40 kt, significant waves up to 6 ft, and occasional waves up to 8 ft. For the Small Craft Advisory, south winds to 25 to 30 kt, significant waves up to 8 ft, and occasional waves up to 10 ft. * WHERE...Illinois nearshore waters. * WHEN...For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Heavy freezing spray is likely tonight through Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ Carlaw
708 WHUS73 KLOT 042032 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 232 PM CST Thu Feb 4 2021 LMZ743>745-050445- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ /O.NEW.KLOT.UP.W.0001.210205T0600Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 232 PM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... ...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST SATURDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. For the Gale Warning, west gales to 40 kt, briefly to 45 kt before midnight. Significant waves to 10 ft, occasionally to 13 ft. For the Small Craft Advisory, south to southwest winds to 25 to 30 kt. * WHERE...Indiana nearshore waters. * WHEN...For the Heavy Freezing Spray Warning, from midnight tonight to 9 AM CST Saturday. For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. 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. && $$ LMZ740>742-050445- /O.CON.KLOT.SC.Y.0012.000000T0000Z-210205T0000Z/ /O.CON.KLOT.GL.W.0005.210205T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 232 PM CST Thu Feb 4 2021 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY... * WHAT...For the Gale Warning, west gales to 40 kt, briefly to 45 kt before midnight. Significant waves to 7 ft, occasionally to 9 ft, highest offshore. For the Small Craft Advisory, south winds to 25 to 30 kt. * WHERE...Illinois nearshore waters. * WHEN...For the Gale Warning, from 6 PM this evening to 6 PM CST Friday. For the Small Craft Advisory, until 6 PM CST this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Moderate to heavy freezing spray is likely tonight through Friday, with the worst conditions expected well offshore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$ Carlaw
790 WHUS73 KLOT 050304 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 904 PM CST Thu Feb 4 2021 LMZ743>745-051115- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.CON.KLOT.UP.W.0001.210205T0600Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 904 PM CST Thu Feb 4 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST SATURDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. For the Gale Warning, west gales to 40 kt, easing to 35 kt on Friday. Significant waves to 10 ft, occasionally to 13 ft. * WHERE...Indiana nearshore waters. * WHEN...For the Heavy Freezing Spray Warning, from midnight tonight to 9 AM CST Saturday. For the Gale Warning, until 6 PM CST Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. 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. && $$ LMZ740>742-051115- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 904 PM CST Thu Feb 4 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST FRIDAY... * WHAT...West gales to 40 kt, easing to 35 kt on Friday. Significant waves to 7 ft, occasionally to 9 ft, highest offshore. * WHERE...Illinois nearshore waters. * WHEN...Through 6 PM Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Moderate to heavy freezing spray is likely tonight through Friday, with the worst conditions expected well offshore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
867 WHUS73 KLOT 051007 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 407 AM CST Fri Feb 5 2021 LMZ743>745-051815- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 407 AM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. For the Gale Warning, west gales to 35 kt. Significant waves to 8 ft, occasionally to 10 ft. * WHERE...Indiana nearshore waters. * WHEN...For the Heavy Freezing Spray Warning, through 9 AM CST Saturday. For the Gale Warning, until 6 PM CST Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. 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. && $$ LMZ740>742-051815- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 407 AM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West gales to 35 kt. Significant waves to 5 ft, highest offshore. * WHERE...Illinois nearshore waters. * WHEN...Through 6 PM Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Moderate to heavy freezing spray is likely through Friday, with the worst conditions expected well offshore. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
211 WHUS73 KLOT 051542 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 942 AM CST Fri Feb 5 2021 LMZ743>745-052345- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 942 AM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. For the Gale Warning, west gales to 35 kt. Significant waves to 8 ft, occasionally to 10 ft. * WHERE...Indiana nearshore waters. * WHEN...For the Heavy Freezing Spray Warning, through 9 AM CST Saturday. For the Gale Warning, until 6 PM CST Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. 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. && $$ LMZ740>742-052345- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 942 AM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West gales to 35 kt. Significant waves to 5 ft, highest offshore. * WHERE...Illinois nearshore waters. * WHEN...Through 6 PM Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
939 WHUS73 KLOT 052124 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 324 PM CST Fri Feb 5 2021 LMZ743>745-060530- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 324 PM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater expected, and may rapidly accumulate on vessels. For the Gale Warning, west gales to 35 kt. Significant waves to 8 ft, occasionally to 10 ft. * WHERE...Indiana nearshore waters. * WHEN...For the Heavy Freezing Spray Warning, through 9 AM CST Saturday. For the Gale Warning, until 6 PM CST Friday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. 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. && $$ LMZ740>742-060000- /O.CON.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 324 PM CST Fri Feb 5 2021 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...West gales to 35 kt. Significant waves to 4 ft, highest offshore. * WHERE...Illinois nearshore waters. * WHEN...Through 6 PM Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions. && $$
396 WHUS73 KLOT 052354 MWWLOT URGENT - MARINE WEATHER MESSAGE National Weather Service Chicago IL 554 PM CST Fri Feb 5 2021 LMZ743>745-060800- /O.EXP.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.CON.KLOT.UP.W.0001.000000T0000Z-210206T1500Z/ /O.NEW.KLOT.SC.Y.0013.210206T0000Z-210206T1500Z/ Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 554 PM CST Fri Feb 5 2021 ...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST SATURDAY... ...GALE WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... * WHAT...For the Heavy Freezing Spray Warning, heavy freezing spray at a rate of 2 cm per hour or greater may rapidly accumulate on vessels. For the Small Craft Advisory, west winds to 30 kt. Significant waves to 8 ft. Occasional waves to 10 ft. * WHERE...Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and Burns Harbor to Michigan City IN. * WHEN...Until 9 AM CST Saturday. * IMPACTS...Operating a vessel in heavy freezing spray is hazardous. Freezing spray may render mechanical and electronic components inoperative. Rapid ice accretion on decks and superstructures may result in a catastrophic loss of stability. Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should prepare for dangerous accumulation of ice on their vessel. If possible, remain in port, avoid the warning area or conduct mitigation. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ740>742-060800- /O.EXP.KLOT.GL.W.0005.000000T0000Z-210206T0000Z/ /O.NEW.KLOT.SC.Y.0013.210206T0000Z-210206T0900Z/ Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- 554 PM CST Fri Feb 5 2021 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM CST SATURDAY... ...GALE WARNING WILL EXPIRE AT 6 PM CST THIS EVENING... * WHAT...West winds to 30 kt. Significant waves to 4 ft. * WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL. * WHEN...Until 3 AM CST Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 3:03 AM CST | Winter Storm Watch | LOT | Boone, Lee, Ogle, Winnebago | 11 hr |
| Feb 3, 5:47 AM CST | Dense Fog Advisory | LOT | Boone, DeKalb, Grundy, Kankakee, LaSalle, Lee and 4 more | 5 hr |
| Feb 3, 6:27 AM CST | Gale Watch | LOT | 9 hr | |
| Feb 3, 6:27 AM CST | Small Craft Advisory | LOT | 36 hr | |
| Feb 3, 2:29 PM CST | Winter Storm Warning | LOT | Boone, Lee, Ogle, Winnebago | 36 hr |
| Feb 3, 2:29 PM CST | Winter Weather Advisory | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more | 46 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.