Alert archive / Illinois / Cook County / 2020
Weather alerts in Cook County, Illinois, April 2020
30 weather alerts in April 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 30
- Warnings
- 8
- Watches
- 2
- Advisories
- 13
- Busiest day
- April 8, 20207 alerts
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 | Lasted |
|---|---|---|---|
| Apr 1, 10:43 PM CDT | Dense Fog Advisory | LOT | 10 hr |
| Apr 6, 11:03 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 7, 5:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 7, 5:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 7, 7:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 7, 8:17 PM CDT | Severe Thunderstorm Warning | LOT | 28 min |
| Apr 7, 8:17 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Apr 7, 8:40 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Apr 7, 9:13 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Apr 8, 4:37 PM CDT | Severe Thunderstorm Warning | LOT | 23 min |
| Apr 8, 4:59 PM CDT | Special Weather Statement | LOT | 16 min |
| Apr 9, 3:18 AM CDT | Wind Advisory | LOT | 16 hr |
| Apr 12, 3:57 AM CDT | Wind Advisory | LOT | 36 hr |
| Apr 15, 5:22 AM CDT | Winter Weather Advisory | LOT | 5 hr |
| Apr 16, 3:28 AM CDT | Winter Weather Advisory | LOT | 32 hr |
| Apr 20, 8:12 PM CDT | Special Weather Statement | LOT | 63 min |
| Apr 28, 4:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 29, 3:19 AM CDT | Lakeshore Flood Warning | LOT | 46 hr |
| Apr 29, 3:19 AM CDT | Lakeshore Flood Advisory | LOT | 12 hr |
| Apr 29, 3:55 AM CDT | Flood Watch | LOT | 26 hr |
| Apr 29, 9:54 AM CDT | River Flood Warning | LOT | 7 days |
| Apr 29, 10:47 AM CDT | River Flood Advisory | LOT | 6 days |
| Apr 29, 10:47 AM CDT | River Flood Advisory | LOT | 12 hr |
| Apr 29, 8:22 PM CDT | Wind Advisory | LOT | 19 hr |
| Apr 29, 8:48 PM CDT | Areal Flood Advisory | LOT | 7 hr |
| Apr 29, 8:52 PM CDT | River Flood Warning | LOT | 30 hr |
| Apr 29, 10:39 PM CDT | River Flood Warning | LOT | 38 hr |
| Apr 29, 10:53 PM CDT | River Flood Advisory | LOT | 15 hr |
| Apr 30, 3:48 AM CDT | Areal Flood Advisory | LOT | 6 hr |
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 | 4 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 2 |
| Flooding | |
| River Flood Warning | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| River Flood Advisory | 3 |
| Winter | |
| Winter Weather Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Lakeshore Flood Warning | 1 |
| Lakeshore Flood Advisory | 1 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.