Alert archive / Illinois / Cook County / 2009
Weather alerts in Cook County, Illinois, July 2009
9 weather alerts in July 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 9
- Warnings
- 4
- Watches
- 0
- Advisories
- 2
- Busiest day
- July 11, 20092 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 |
|---|---|---|---|
| Jul 11, 2:31 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Jul 11, 4:38 AM CDT | Special Weather Statement | LOT | 37 min |
| Jul 16, 5:54 PM CDT | Severe Thunderstorm Warning | LOT | 36 min |
| Jul 16, 7:23 PM CDT | Severe Thunderstorm Warning | LOT | 38 min |
| Jul 22, 2:30 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 23, 4:19 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 23, 4:43 PM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Jul 24, 11:48 PM CDT | Special Weather Statement | LOT | 57 min |
| Jul 28, 7:31 PM 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 | 3 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 2 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 2 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.