Alert archive / Illinois / Richland County
Weather alerts in Richland County, Illinois, 2018
110 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Richland County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 110
- Warnings
- 32
- Watches
- 12
- Advisories
- 30
- Busiest month
- June29 alerts
- Busiest day
- April 3, 20185 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Richland County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 5 | 58% | 3 | 67% | 38 min |
| Flash flood warnings | 3 | 2 | 33% | 1 | 100% | 84 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Lincoln, IL: tornado warnings | 32 | 11 | 66% | 47 | 66% | 16 min |
| NWS Lincoln, IL: severe thunderstorm warnings | 151 | 69 | 54% | 218 | 66% | 20 min |
| NWS Lincoln, IL: flash flood warnings | 33 | 14 | 58% | 56 | 93% | 98 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 6, 3:14 AM CST | Winter Weather Advisory | ILX | 48 hr |
| Jan 8, 9:31 PM CST | Dense Fog Advisory | ILX | 14 hr |
| Jan 9, 7:17 PM CST | Dense Fog Advisory | ILX | 17 hr |
| Jan 11, 3:13 AM CST | Winter Weather Advisory | ILX | 37 hr |
| Jan 11, 8:43 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 14, 3:15 PM CST | Wind Chill Advisory | ILX | 45 hr |
| Jan 14, 3:15 PM CST | Winter Weather Advisory | ILX | 24 hr |
| Jan 21, 2:25 AM CST | Dense Fog Advisory | ILX | 14 hr |
| Feb 6, 3:30 AM CST | Winter Weather Advisory | ILX | 25 hr |
| Feb 6, 9:42 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 10, 3:46 PM CST | Winter Weather Advisory | ILX | 17 hr |
| Feb 20, 3:25 AM CST | Flood Watch | ILX | 27 hr |
| Feb 21, 9:54 AM CST | River Flood Warning | ILX | 10 days |
| Feb 23, 2:35 PM CST | Flood Watch | ILX | 33 hr |
| Mar 24, 8:25 PM CDT | River Flood Warning | ILX | 17 days |
| Mar 26, 2:56 AM CDT | Flood Watch | ILX | 46 hr |
| Apr 2, 10:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 3, 12:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 1:33 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 3:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 3, 5:20 PM CDT | Severe Thunderstorm Warning | ILX | 25 min |
| Apr 15, 3:38 AM CDT | Freeze Warning | ILX | 29 hr |
| Apr 16, 3:11 AM CDT | Freeze Warning | ILX | 30 hr |
| Apr 18, 10:55 AM CDT | Wind Advisory | ILX | 8 hr |
| Apr 19, 2:52 AM CDT | Freeze Warning | ILX | 29 hr |
| Apr 28, 3:00 AM CDT | Frost Advisory | ILX | 28 hr |
| May 3, 6:51 AM CDT | Special Weather Statement | ILX | 39 min |
| May 3, 7:01 AM CDT | Severe Thunderstorm Warning | ILX | 33 min |
| May 10, 6:26 PM CDT | Special Weather Statement | ILX | 49 min |
| May 10, 6:33 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| May 10, 6:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 20, 7:54 AM CDT | Special Weather Statement | ILX | 51 min |
| May 27, 11:54 AM CDT | Special Weather Statement | ILX | 66 min |
| May 27, 3:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 31, 10:16 AM CDT | Mesoscale Discussion | SPC | 119 min |
| May 31, 10:31 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 31, 10:33 AM CDT | Severe Thunderstorm Warning | ILX | 57 min |
| May 31, 11:26 AM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| Jun 1, 3:02 PM CDT | Severe Thunderstorm Warning | ILX | 28 min |
| Jun 1, 3:29 PM CDT | Special Weather Statement | ILX | 46 min |
| Jun 1, 3:47 PM CDT | Severe Thunderstorm Warning | ILX | 43 min |
| Jun 2, 10:33 PM CDT | Special Weather Statement | ILX | 42 min |
| Jun 9, 11:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 10:04 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 10, 12:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 10, 12:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 2:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 7:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 10, 7:30 PM CDT | Flash Flood Watch | ILX | 14 hr |
| Jun 11, 2:57 PM CDT | Flash Flood Watch | ILX | 21 hr |
| Jun 11, 4:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 6:14 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Jun 11, 9:20 PM CDT | River Flood Warning | ILX | 8 days |
| Jun 11, 10:10 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Jun 12, 2:59 PM CDT | Flash Flood Watch | ILX | 5 hr |
| Jun 13, 3:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 3:36 AM CDT | Heat Advisory | ILX | 4 days |
| Jun 19, 8:31 PM CDT | Special Weather Statement | ILX | 44 min |
| Jun 20, 9:39 AM CDT | River Flood Warning | ILX | 3 days |
| Jun 22, 10:13 AM CDT | Special Weather Statement | ILX | 6 hr |
| Jun 22, 10:49 AM CDT | Special Weather Statement | ILX | 6 hr |
| Jun 22, 1:32 PM CDT | Special Weather Statement | ILX | 4 hr |
| Jun 26, 7:39 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 2:55 PM CDT | Heat Advisory | ILX | 24 hr |
| Jun 28, 2:52 PM CDT | Excessive Heat Warning | ILX | 3 days |
| Jun 28, 3:34 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 28, 6:39 PM CDT | Severe Thunderstorm Warning | ILX | 33 min |
| Jul 1, 6:51 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 3, 3:05 AM CDT | Heat Advisory | ILX | 64 hr |
| Jul 5, 6:31 PM CDT | Severe Thunderstorm Warning | ILX | 31 min |
| Jul 14, 3:09 AM CDT | Heat Advisory | ILX | 13 hr |
| Jul 14, 2:23 PM CDT | Special Weather Statement | ILX | 67 min |
| Jul 14, 2:37 PM CDT | Severe Thunderstorm Warning | ILX | 38 min |
| Jul 14, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Jul 19, 6:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 19, 11:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 20, 12:44 AM CDT | Special Weather Statement | ILX | 46 min |
| Aug 1, 3:34 AM CDT | Dense Fog Advisory | ILX | 5 hr |
| Aug 6, 3:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 4:09 AM CDT | Heat Advisory | ILX | 63 hr |
| Sep 6, 3:21 PM CDT | Flash Flood Watch | ILX | 51 hr |
| Sep 7, 9:47 AM CDT | River Flood Warning | ILX | 8 days |
| Sep 8, 2:16 AM CDT | Flash Flood Warning | ILX | 6 hr |
| Sep 8, 9:36 AM CDT | Areal Flood Warning | ILX | 9 hr |
| Sep 8, 1:40 PM CDT | Flash Flood Warning | ILX | 4 hr |
| Sep 8, 6:17 PM CDT | Areal Flood Warning | ILX | 12 hr |
| Sep 11, 2:43 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Sep 25, 5:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 28, 2:35 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Oct 6, 12:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 15, 3:20 AM CDT | Frost Advisory | ILX | 29 hr |
| Oct 17, 2:50 AM CDT | Frost Advisory | ILX | 29 hr |
| Oct 20, 3:02 AM CDT | Freeze Warning | ILX | 30 hr |
| Oct 20, 9:36 AM CDT | Wind Advisory | ILX | 8 hr |
| Oct 27, 4:17 PM CDT | Wind Advisory | ILX | 26 hr |
| Nov 1, 9:19 AM CDT | Wind Advisory | ILX | 6 hr |
| Nov 2, 9:00 AM CDT | River Flood Warning | ILX | 58 hr |
| Nov 3, 3:39 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Nov 6, 11:50 PM CST | River Flood Warning | ILX | 30 hr |
| Nov 13, 2:45 PM CST | Winter Storm Watch | ILX | 13 hr |
| Nov 14, 3:55 AM CST | Winter Weather Advisory | ILX | 35 hr |
| Nov 14, 6:03 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Nov 25, 11:45 AM CST | Wind Advisory | ILX | 21 hr |
| Nov 25, 7:44 PM CST | Special Weather Statement | ILX | 31 min |
| Nov 30, 9:22 AM CST | Dense Fog Advisory | ILX | 3 hr |
| Dec 1, 8:53 PM CST | River Flood Warning | ILX | 13 hr |
| Dec 2, 6:29 PM CST | River Flood Warning | ILX | 25 hr |
| Dec 10, 3:12 AM CST | Dense Fog Advisory | ILX | 11 hr |
| Dec 14, 7:17 PM CST | River Flood Warning | ILX | 6 days |
| Dec 15, 9:58 AM CST | Areal Flood Advisory | ILX | 10 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 | 12 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 13 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 3 |
| River Flood Warning | 10 |
| Flash Flood Watch | 4 |
| Flood Watch | 3 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 4 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.