Alert archive / Illinois / Stephenson County
Weather alerts in Stephenson County, Illinois, 2002
18 weather alerts in 2002, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Stephenson County and its neighbors
Each county as a circle sized by its count in 2002. Tap one for its archive.
- Alerts
- 18
- Warnings
- 11
- Watches
- 7
- Advisories
- 0
- Busiest month
- April5 alerts
- Busiest day
- June 4, 20024 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 9, 4:00 AM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 18, 3:00 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 18, 4:14 PM CDT | Severe Thunderstorm Warning | DVN | 46 min |
| Apr 18, 6:09 PM CDT | Severe Thunderstorm Warning | DVN | 51 min |
| Apr 18, 8:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 18, 9:59 PM CDT | Severe Thunderstorm Warning | DVN | 51 min |
| May 6, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 3, 11:24 PM CDT | Severe Thunderstorm Warning | DVN | 76 min |
| Jun 4, 4:30 AM CDT | Flash Flood Warning | DVN | 5 hr |
| Jun 4, 9:38 AM CDT | Flash Flood Warning | DVN | 5 hr |
| Jun 4, 11:43 AM CDT | Flash Flood Warning | DVN | 6 hr |
| Jun 10, 6:13 PM CDT | Severe Thunderstorm Warning | DVN | 32 min |
| Jul 27, 8:55 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 1, 6:10 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 7:51 PM CDT | Severe Thunderstorm Warning | DVN | 39 min |
| Aug 21, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 21, 10:26 PM CDT | Severe Thunderstorm Warning | DVN | 64 min |
| Aug 21, 11:34 PM CDT | Flash Flood Warning | DVN | 9 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 | 7 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 1 |
| 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 archive20012003
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.