Alert archive / Illinois / Special Marine Warnings / 2011
Special Marine Warnings in Illinois, May 2011
17 special marine warnings in May 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of special marine warnings reaches back to 1986.
Special Marine Warnings by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Special Marine Warnings
- 17
- Busiest day
- May 22, 20114 special marine warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 5:21 PM CDT | Special Marine Warning | LOT | 114 min | |
| May 11, 6:08 PM CDT | Special Marine Warning | LOT | 90 min | |
| May 11, 6:14 PM CDT | Special Marine Warning | LOT | 85 min | |
| May 11, 7:37 PM CDT | Special Marine Warning | LOT | 83 min | |
| May 11, 8:57 PM CDT | Special Marine Warning | LOT | 32 min | |
| May 22, 3:12 PM CDT | Special Marine Warning | LOT | 63 min | |
| May 22, 3:21 PM CDT | Special Marine Warning | LOT | 114 min | |
| May 22, 3:27 PM CDT | Special Marine Warning | LOT | 2 hr | |
| May 22, 6:56 PM CDT | Special Marine Warning | LOT | 2 hr | |
| May 22, 8:22 PM CDT | Special Marine Warning | LOT | 113 min | |
| May 22, 10:25 PM CDT | Special Marine Warning | LOT | 59 min | |
| May 25, 8:02 AM CDT | Special Marine Warning | LOT | 118 min | |
| May 25, 9:58 AM CDT | Special Marine Warning | LOT | 65 min | |
| May 25, 3:30 PM CDT | Special Marine Warning | LOT | 30 min | |
| May 29, 11:19 AM CDT | Special Marine Warning | LOT | 3 hr | |
| May 29, 11:22 AM CDT | Special Marine Warning | LOT | 3 hr | |
| May 31, 2:19 PM CDT | Special Marine Warning | LOT | 100 min |
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.