Severe Thunderstorm Watch for Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake
Official alert fields
What you need to know
- Applies to
- Cook, DuPage, Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake, Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Future
- Official certainty
- Possible
What is happening
THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 546 TO EXPIRE AT 4 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS THIS ALLOWS TO EXPIRE THE FOLLOWING ADJACENT COASTAL WATERS WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE...
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Full official description
Bulletin details
THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 546 TO EXPIRE AT 4 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS THIS ALLOWS TO EXPIRE THE FOLLOWING ADJACENT COASTAL WATERS WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM OFFSHORE TO MID LAKE
Lifecycle record
Official revisions
- Update
Severe Thunderstorm Watch issued August 9 at 3:45PM CDT until August 9 at 4:00PM CDT by NWS Chicago IL
Official revision - Update
Severe Thunderstorm Watch issued August 9 at 3:45PM CDT until August 9 at 4:00PM CDT by NWS Chicago IL
Official revision - Update
Severe Thunderstorm Watch issued August 9 at 1:47PM CDT until August 9 at 4:00PM CDT by NWS Chicago IL
Official revision - Update
Severe Thunderstorm Watch issued August 9 at 1:47PM CDT until August 9 at 4:00PM CDT by NWS Chicago IL
Official revision - Update
Severe Thunderstorm Watch issued August 9 at 1:08PM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision - Alert
Severe Thunderstorm Watch issued August 9 at 1:08PM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision - Alert
Severe Thunderstorm Watch issued August 9 at 1:08PM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision - Update
Severe Thunderstorm Watch issued August 9 at 1:08PM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision - Alert
Severe Thunderstorm Watch issued August 9 at 9:46AM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision - Alert
Severe Thunderstorm Watch issued August 9 at 9:46AM CDT until August 9 at 2:00PM CDT by NWS Chicago IL
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Update
- Last collected