Alert archive / Illinois / Gale Warnings in 2021

Gale Warning 1, NWS Chicago, IL

January 20, 2021

NWS Chicago, IL issued this gale warning at Jan 20, 2021, 5:05 PM CST. It was in force for 7 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
Jan 20, 2021, 5:05 PM CST (23:05 UTC)
Expired
Jan 21, 2021, 12:00 AM CST
In force
7 hr
Issued by
NWS Chicago, IL

The text

As transmitted.

502 
WHUS73 KLOT 202305
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
505 PM CST Wed Jan 20 2021

LMZ744-745-210715-
/O.UPG.KLOT.SC.Y.0003.000000T0000Z-210122T1500Z/
/O.NEW.KLOT.GL.W.0001.210120T2305Z-210121T0400Z/
/O.NEW.KLOT.SC.Y.0005.210121T0400Z-210122T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
505 PM CST Wed Jan 20 2021

...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
CST FRIDAY...

* WHAT...For the Gale Warning, south gales to 35 kt, significant
  waves to 6 ft, and occasional waves to 8 ft expected. For the
  Small Craft Advisory, winds to 25 to 30 kt expected, direction
  southwest tonight, west on Thursday, and northwest on Thursday
  evening through Friday morning, significant waves to 7 ft, and 
  occasional waves to 9 ft.

* WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan 
  City IN.

* WHEN...For the Gale Warning, until 10 PM CST this evening. For 
  the Small Craft Advisory, from 10 PM this evening to 9 AM CST 
  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.

&&

$$

LMZ740>743-210715-
/O.UPG.KLOT.SC.Y.0004.000000T0000Z-210122T0600Z/
/O.NEW.KLOT.GL.W.0001.210120T2305Z-210121T0400Z/
/O.NEW.KLOT.SC.Y.0005.210121T0400Z-210122T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
505 PM CST Wed Jan 20 2021

...GALE WARNING IN EFFECT UNTIL 10 PM CST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
MIDNIGHT CST THURSDAY NIGHT...

* WHAT...For the Gale Warning, south gales to 35 to 40 kt,
  significant waves to 6 ft, and occasional waves to 8 ft
  expected. For the Small Craft Advisory, winds to 25 to 30 kt,
  direction southwest tonight, west on Thursday, and northwest on
  Thursday evening.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL, Northerly Island to Calumet Harbor IL 
  and Calumet Harbor IL to Gary IN.

* WHEN...For the Gale Warning, until 10 PM CST this evening. For 
  the Small Craft Advisory, from 10 PM this evening to midnight 
  CST Thursday night.

* 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.

&&

$$

RC
3 follow-up statements
258 
WHUS73 KLOT 210112
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
712 PM CST Wed Jan 20 2021

LMZ744-745-210600-
/O.EXT.KLOT.GL.W.0001.000000T0000Z-210121T0600Z/
/O.EXT.KLOT.SC.Y.0005.210121T0600Z-210122T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
712 PM CST Wed Jan 20 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO
9 AM CST FRIDAY...

* WHAT...For the Gale Warning, south gales to 35 kt, significant 
  waves to 6 ft, and occasional waves to 8 ft expected. For the 
  Small Craft Advisory, winds to 25 to 30 kt expected, direction 
  southwest tonight, west on Thursday, and northwest on Thursday 
  evening through Friday morning, significant waves to 7 ft, and 
  occasional waves to 9 ft.

* WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan 
  City IN.

* WHEN...For the Gale Warning, until midnight CST tonight. For 
  the Small Craft Advisory, from midnight tonight to 9 AM CST 
  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.

&&

$$

LMZ740>743-210600-
/O.CON.KLOT.GL.W.0001.000000T0000Z-210121T0400Z/
/O.CON.KLOT.SC.Y.0005.210121T0400Z-210122T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
712 PM CST Wed Jan 20 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 PM CST THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
THURSDAY NIGHT...

* WHAT...For the Gale Warning, south gales to 35 to 40 kt, 
  significant waves to 6 ft, and occasional waves to 8 ft 
  expected. For the Small Craft Advisory, winds to 25 to 30 kt, 
  direction southwest tonight, west on Thursday, and northwest 
  on Thursday evening.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL, Northerly Island to Calumet Harbor IL 
  and Calumet Harbor IL to Gary IN.

* WHEN...For the Gale Warning, until 10 PM CST this evening. For 
  the Small Craft Advisory, from 10 PM this evening to midnight 
  CST Thursday night.

* 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.

&&

$$
664 
WHUS73 KLOT 210401
MWWLOT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
1001 PM CST Wed Jan 20 2021

LMZ740>743-211215-
/O.EXP.KLOT.GL.W.0001.000000T0000Z-210121T0400Z/
/O.UPG.KLOT.SC.Y.0005.000000T0000Z-210122T0600Z/
/O.NEW.KLOT.GL.W.0002.210121T0401Z-210121T0600Z/
/O.NEW.KLOT.SC.Y.0006.210121T0600Z-210122T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
1001 PM CST Wed Jan 20 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST THURSDAY
NIGHT...


* WHAT...For the Gale Warning, southwest gales to 35 kt,
  significant waves to 6 ft, and occasional waves to 8 ft
  expected. For the Small Craft Advisory, winds to 25 to 30 kt
  expected, direction southwest tonight, west on Thursday, and
  northwest on Thursday evening through Friday morning,
  significant waves to 5 ft.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL, Northerly Island to Calumet Harbor IL 
  and Calumet Harbor IL to Gary IN.

* WHEN...For the Gale Warning, until midnight CST tonight. For 
  the Small Craft Advisory, until midnight CST Thursday night.

* 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.

&&

$$

LMZ744-745-211215-
/O.CON.KLOT.GL.W.0001.000000T0000Z-210121T0600Z/
/O.CON.KLOT.SC.Y.0005.210121T0600Z-210122T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
1001 PM CST Wed Jan 20 2021

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY...

* WHAT...For the Gale Warning, south gales to 35 kt, significant 
  waves to 6 ft, and occasional waves to 8 ft expected. For the 
  Small Craft Advisory, winds to 25 to 30 kt expected, direction 
  southwest tonight, west on Thursday, and northwest on Thursday 
  evening through Friday morning, significant waves to 7 ft, and 
  occasional waves to 9 ft.

* WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan 
  City IN.

* WHEN...For the Gale Warning, until midnight CST tonight. For 
  the Small Craft Advisory, from midnight tonight to 9 AM CST 
  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.

&&

$$
708 
WHUS73 KLOT 210407 CCA
MWWLOT

URGENT - MARINE WEATHER MESSAGE...CORRECTED
National Weather Service Chicago IL
1007 PM CST Wed Jan 20 2021

LMZ740>743-211215-
/O.EXP.KLOT.GL.W.0001.000000T0000Z-210121T0400Z/
/O.UPG.KLOT.SC.Y.0005.000000T0000Z-210122T0600Z/
/O.COR.KLOT.GL.W.0002.210121T0407Z-210121T0600Z/
/O.COR.KLOT.SC.Y.0006.210121T0600Z-210122T0600Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
1007 PM CST Wed Jan 20 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT CST THURSDAY
NIGHT...


* WHAT...For the Gale Warning, southwest gales to 35 kt,
  significant waves to 6 ft, and occasional waves to 8 ft
  expected. For the Small Craft Advisory, winds to 25 to 30 kt
  expected, direction southwest tonight, west on Thursday, and
  northwest on Thursday evening through Friday morning,
  significant waves to 4 to 5 ft.

* WHERE...Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor 
  to Northerly Island IL, Northerly Island to Calumet Harbor IL 
  and Calumet Harbor IL to Gary IN.

* WHEN...For the Gale Warning, until midnight CST tonight. For 
  the Small Craft Advisory, until midnight CST Thursday night.

* 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.

&&

$$

LMZ744-745-211215-
/O.COR.KLOT.GL.W.0001.000000T0000Z-210121T0600Z/
/O.COR.KLOT.SC.Y.0005.210121T0600Z-210122T1500Z/
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
1007 PM CST Wed Jan 20 2021

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY...

* WHAT...For the Gale Warning, southwest gales to 35 kt, 
  significant waves to 6 ft, and occasional waves to 8 ft 
  expected. For the Small Craft Advisory, winds to 25 to 30 kt 
  expected, direction southwest tonight, west on Thursday, and 
  northwest on Thursday evening through Friday morning, 
  significant waves to 7 ft, and occasional waves to 9 ft.

* WHERE...Gary to Burns Harbor IN and Burns Harbor to Michigan 
  City IN.

* WHEN...For the Gale Warning, until midnight CST tonight. For 
  the Small Craft Advisory, from midnight tonight to 9 AM CST 
  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.

&&

$$

RC

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 20, 5:05 PM CSTSmall Craft AdvisoryLOT58 hr

Nearby

Gale Warnings in Illinois, 2021Every gale warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.