Alert archive / Illinois / Iroquois County
Weather alerts in Iroquois County, Illinois, 1999
21 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Iroquois County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 21
- Warnings
- 11
- Watches
- 10
- Advisories
- 0
- Busiest month
- June10 alerts
- Busiest day
- June 4, 19995 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 |
|---|---|---|---|
| Feb 11, 2:30 PM CST | Tornado Watch | SPC | 6 hr |
| Apr 8, 8:00 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 21, 7:04 PM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Apr 22, 1:18 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Apr 22, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 17, 1:45 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 1, 8:45 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 4, 4:30 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 4, 5:50 PM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jun 4, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 4, 6:16 PM CDT | Tornado Warning | LOT | 14 min |
| Jun 4, 6:27 PM CDT | Severe Thunderstorm Warning | LOT | 33 min |
| Jun 9, 4:26 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jun 11, 1:25 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| Jun 11, 2:40 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Jun 12, 3:46 PM CDT | Tornado Warning | LOT | 30 min |
| Jul 23, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 12, 6:45 PM CDT | Tornado Watch | SPC | 5 hr |
| Aug 23, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 12:18 PM CDT | Flash Flood Warning | LOT | 5 hr |
| Aug 24, 5:00 PM CDT | Flash Flood Warning | LOT | 3 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 | 5 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 4 |
| Flooding | |
| Flash Flood Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.