Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 1991
15 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cook County and its neighbors
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Alerts
- 15
- Warnings
- 15
- Watches
- 0
- Advisories
- 0
- Busiest month
- May8 alerts
- Busiest day
- March 27, 19915 alerts
Over time
By month
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 | Lasted |
|---|---|---|---|
| Mar 27, 2:17 AM CST | Severe Thunderstorm Warning | LOT | 43 min |
| Mar 27, 7:41 AM CST | Severe Thunderstorm Warning | LOT | 34 min |
| Mar 27, 7:45 AM CST | Tornado Warning | LOT | 30 min |
| Mar 27, 3:23 PM CST | Severe Thunderstorm Warning | LOT | 52 min |
| Mar 27, 4:07 PM CST | Tornado Warning | LOT | 28 min |
| May 5, 5:25 PM CDT | Tornado Warning | LOT | 50 min |
| May 5, 6:04 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| May 16, 3:41 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| May 16, 4:08 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| May 22, 6:33 PM CDT | Tornado Warning | LOT | 42 min |
| May 25, 6:21 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| May 31, 4:23 PM CDT | Severe Thunderstorm Warning | LOT | 67 min |
| May 31, 5:24 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 7, 10:28 PM CDT | Severe Thunderstorm Warning | LOT | 32 min |
| Nov 19, 2:44 PM CST | Severe Thunderstorm Warning | LOT | 31 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 11 |
| Tornado Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19901992
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. Rebuilt daily.