Alert archive / Illinois / Stephenson County
Weather alerts in Stephenson County, Illinois, 1998
31 weather alerts in 1998, 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 1998. Tap one for its archive.
- Alerts
- 31
- Warnings
- 13
- Watches
- 18
- Advisories
- 0
- Busiest month
- June11 alerts
- Busiest day
- June 18, 19983 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 30, 2:45 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 15, 3:15 PM CDT | Tornado Watch | SPC | 6 hr |
| May 12, 4:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 15, 5:00 PM CDT | Tornado Watch | SPC | 6 hr |
| May 15, 8:43 PM CDT | Severe Thunderstorm Warning | DVN | 32 min |
| May 19, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 28, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 8:23 PM CDT | Severe Thunderstorm Warning | DVN | 62 min |
| May 28, 8:37 PM CDT | Tornado Warning | DVN | 33 min |
| May 31, 1:00 AM CDT | Tornado Watch | SPC | 5 hr |
| Jun 18, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 5:46 PM CDT | Severe Thunderstorm Warning | DVN | 64 min |
| Jun 18, 6:49 PM CDT | Severe Thunderstorm Warning | DVN | 21 min |
| Jun 20, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 25, 7:47 PM CDT | Severe Thunderstorm Warning | DVN | 48 min |
| Jun 25, 8:23 PM CDT | Tornado Warning | DVN | 47 min |
| Jun 27, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 28, 12:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 28, 2:13 AM CDT | Severe Thunderstorm Warning | DVN | 47 min |
| Jun 29, 3:15 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 3, 7:06 PM CDT | Severe Thunderstorm Warning | DVN | 49 min |
| Jul 19, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 20, 6:52 PM CDT | Severe Thunderstorm Warning | DVN | 58 min |
| Aug 24, 10:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 24, 12:13 PM CDT | Severe Thunderstorm Warning | DVN | 32 min |
| Aug 24, 12:16 PM CDT | Tornado Warning | DVN | 34 min |
| Aug 24, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Nov 10, 4:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Nov 10, 5:32 AM CST | Severe Thunderstorm Warning | DVN | 18 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 | 10 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19971999
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.