Alert archive / Illinois / Vermilion County
Weather alerts in Vermilion County, Illinois, 2024
107 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Vermilion County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 107
- Warnings
- 24
- Watches
- 16
- Advisories
- 33
- Busiest month
- May21 alerts
- Busiest day
- March 14, 20245 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado reports fell inside a warning.
Vermilion County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 16 | 9 | 44% | 21 | 71% | 19 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Lincoln, IL: tornado warnings | 35 | 2 | 94% | 31 | 16% | 22 min |
| NWS Lincoln, IL: severe thunderstorm warnings | 218 | 93 | 57% | 459 | 75% | 22 min |
| NWS Lincoln, IL: flash flood warnings | 26 | 7 | 73% | 26 | 81% | 118 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|
| Jan 8, 2:39 AM CST | Winter Weather Advisory | ILX | 48 hr |
| Jan 11, 2:52 AM CST | Winter Weather Advisory | ILX | 48 hr |
| Jan 11, 1:06 PM CST | Wind Advisory | ILX | 41 hr |
| Jan 12, 2:27 PM CST | Wind Chill Watch | ILX | 23 hr |
| Jan 13, 2:55 AM CST | Wind Chill Warning | ILX | 3 days |
| Jan 13, 2:55 AM CST | Wind Chill Advisory | ILX | 4 days |
| Jan 18, 2:25 AM CST | Winter Weather Advisory | ILX | 28 hr |
| Jan 18, 2:23 PM CST | Wind Chill Advisory | ILX | 46 hr |
| Jan 21, 3:00 AM CST | Winter Weather Advisory | ILX | 54 hr |
| Jan 22, 9:17 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 23, 2:26 PM CST | Dense Fog Advisory | ILX | 70 hr |
| Jan 26, 1:24 PM CST | Dense Fog Advisory | ILX | 26 hr |
| Feb 6, 4:05 AM CST | Dense Fog Advisory | ILX | 9 hr |
| Feb 15, 1:32 PM CST | Winter Weather Advisory | ILX | 28 hr |
| Feb 16, 11:26 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 22, 5:21 AM CST | Special Weather Statement | ILX | 24 min |
| Feb 22, 10:10 AM CST | Special Weather Statement | ILX | 35 min |
| Feb 27, 2:50 PM CST | Mesoscale Discussion | SPC | 115 min |
| Mar 2, 2:54 AM CST | Dense Fog Advisory | ILX | 7 hr |
| Mar 5, 2:12 AM CST | Special Weather Statement | ILX | 33 min |
| Mar 14, 3:15 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 14, 7:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 9:27 AM CDT | Severe Thunderstorm Warning | ILX | 18 min |
| Mar 14, 1:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 14, 3:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 24, 2:00 PM CDT | Wind Advisory | ILX | 34 hr |
| Apr 1, 10:24 AM CDT | Flood Watch | ILX | 20 hr |
| Apr 1, 7:35 PM CDT | Severe Thunderstorm Warning | ILX | 25 min |
| Apr 2, 2:42 AM CDT | Wind Advisory | ILX | 17 hr |
| Apr 5, 2:13 AM CDT | Freeze Warning | ILX | 30 hr |
| Apr 16, 2:57 PM CDT | Wind Advisory | ILX | 6 hr |
| Apr 16, 3:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 17, 9:40 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 20, 2:25 PM CDT | Frost Advisory | ILX | 18 hr |
| Apr 21, 2:32 AM CDT | Frost Advisory | ILX | 29 hr |
| Apr 24, 1:55 PM CDT | Frost Advisory | ILX | 16 hr |
| May 4, 7:53 PM CDT | Special Weather Statement | ILX | 37 min |
| May 7, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 1:28 PM CDT | Tornado Watch | SPC | 12 hr |
| May 7, 2:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 13, 12:52 PM CDT | Special Weather Statement | ILX | 38 min |
| May 13, 1:26 PM CDT | Special Weather Statement | ILX | 34 min |
| May 17, 2:42 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| May 19, 5:33 PM CDT | Areal Flood Advisory | ILX | 3 hr |
| May 19, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | 32 min |
| May 21, 4:02 PM CDT | Dust Storm Advisory | ILX | 118 min |
| May 21, 5:53 PM CDT | Dust Storm Advisory | ILX | 2 hr |
| May 21, 6:09 PM CDT | Dust Storm Warning | ILX | 2 hr |
| May 21, 9:50 PM CDT | Special Weather Statement | ILX | 55 min |
| May 21, 10:22 PM CDT | Severe Thunderstorm Warning | ILX | 38 min |
| May 24, 12:56 PM CDT | Severe Thunderstorm Warning | ILX | 34 min |
| May 24, 1:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 1:56 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| May 24, 2:48 PM CDT | Flash Flood Warning | ILX | 3 hr |
| May 24, 2:52 PM CDT | Severe Thunderstorm Warning | ILX | 53 min |
| May 25, 2:15 PM CDT | Flood Watch | ILX | 32 hr |
| May 26, 9:12 AM CDT | Special Weather Statement | ILX | 33 min |
| Jun 5, 8:08 AM CDT | Special Weather Statement | ILX | 37 min |
| Jun 5, 8:40 AM CDT | Severe Thunderstorm Warning | ILX | 14 min |
| Jun 13, 8:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 13, 9:01 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jun 13, 9:26 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| Jun 13, 9:44 PM CDT | Severe Thunderstorm Warning | ILX | 33 min |
| Jun 25, 4:35 AM CDT | Severe Thunderstorm Warning | ILX | 40 min |
| Jun 25, 11:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 25, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 11:42 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 29, 5:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 29, 6:55 PM CDT | Special Weather Statement | ILX | 50 min |
| Jul 8, 1:52 AM CDT | Flood Watch | ILX | 51 hr |
| Jul 10, 12:24 AM CDT | Wind Advisory | ILX | 5 hr |
| Jul 13, 2:51 PM CDT | Heat Advisory | ILX | 53 hr |
| Jul 14, 11:59 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 15, 12:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:20 AM CDT | Special Weather Statement | ILX | 25 min |
| Jul 15, 2:47 PM CDT | Flood Watch | ILX | 16 hr |
| Jul 15, 6:53 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 15, 9:11 PM CDT | Severe Thunderstorm Warning | ILX | 79 min |
| Jul 15, 10:06 PM CDT | Severe Thunderstorm Warning | ILX | 69 min |
| Jul 24, 1:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 29, 8:05 AM CDT | Special Weather Statement | ILX | 40 min |
| Jul 29, 3:58 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 29, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 30, 12:53 AM CDT | Dense Fog Advisory | ILX | 7 hr |
| Jul 31, 5:50 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 31, 9:16 AM CDT | Special Weather Statement | ILX | 29 min |
| Jul 31, 9:35 AM CDT | Severe Thunderstorm Warning | ILX | 25 min |
| Jul 31, 9:44 AM CDT | Severe Thunderstorm Warning | ILX | 28 min |
| Jul 31, 9:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 16, 1:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Aug 25, 2:27 AM CDT | Excessive Heat Watch | ILX | 35 hr |
| Aug 26, 1:55 PM CDT | Excessive Heat Warning | ILX | 30 hr |
| Aug 30, 3:41 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 30, 6:50 PM CDT | Special Weather Statement | ILX | 25 min |
| Aug 30, 7:18 PM CDT | Flash Flood Warning | ILX | 3 hr |
| Sep 24, 7:30 AM CDT | Special Weather Statement | ILX | 45 min |
| Sep 26, 1:28 PM CDT | Wind Advisory | ILX | 36 hr |
| Oct 15, 2:31 AM CDT | Frost Advisory | ILX | 29 hr |
| Oct 16, 2:01 PM CDT | Freeze Warning | ILX | 18 hr |
| Oct 28, 2:41 PM CDT | Fire Weather Watch | ILX | 12 hr |
| Oct 29, 2:39 AM CDT | Red Flag Warning | ILX | 16 hr |
| Nov 4, 1:41 PM CST | Wind Advisory | ILX | 24 hr |
| Nov 18, 3:32 AM CST | Wind Advisory | ILX | 26 hr |
| Nov 21, 3:02 AM CST | Wind Advisory | ILX | 18 hr |
| Dec 4, 2:18 AM CST | Wind Advisory | ILX | 23 hr |
| Dec 15, 8:33 PM CST | Dense Fog Advisory | ILX | 14 hr |
| Dec 29, 1:55 AM CST | Wind Advisory | ILX | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20232025
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.