Alert archive / Illinois / LaSalle County / Tornado Warnings
Tornado Warnings in LaSalle County, Illinois, 2004
10 tornado warnings in 2004. An alert counts here when it covered this county. The archive of tornado warnings reaches back to 1986.
LaSalle County and its neighbors
Each county as a circle sized by its count in 2004. Tap one for its archive.
- Tornado Warnings
- 10
- Busiest month
- April4 tornado warnings
- Busiest day
- April 20, 20043 tornado warnings
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 |
|---|---|---|---|
| Apr 20, 5:33 PM CDT | Tornado Warning | LOT | 42 min |
| Apr 20, 6:11 PM CDT | Tornado Warning | LOT | 34 min |
| Apr 20, 6:43 PM CDT | Tornado Warning | LOT | 32 min |
| Apr 20, 7:21 PM CDT | Tornado Warning | LOT | 24 min |
| May 23, 6:43 PM CDT | Tornado Warning | LOT | 32 min |
| May 23, 7:14 PM CDT | Tornado Warning | LOT | 31 min |
| May 30, 6:11 PM CDT | Tornado Warning | LOT | 34 min |
| Jun 10, 6:17 PM CDT | Tornado Warning | LOT | 28 min |
| Jul 5, 5:07 PM CDT | Tornado Warning | LOT | 33 min |
| Jul 13, 12:47 PM CDT | Tornado Warning | LOT | 58 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20032005
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.