Alert archive / Illinois / Livingston County
Weather alerts in Livingston County, Illinois, 2013
138 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Livingston County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 138
- Warnings
- 37
- Watches
- 18
- Advisories
- 40
- Busiest month
- June27 alerts
- Busiest day
- April 17, 20138 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 2 tornado warnings covering Livingston County in 2013 had a tornado report inside them.
Livingston County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 0 | ||
| Severe thunderstorm warnings | 19 | 13 | 32% | 6 | 33% | 30 min |
| Flash flood warnings | 6 | 3 | 50% | 2 | 50% | 91 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Chicago, IL: tornado warnings | 17 | 6 | 65% | 25 | 56% | 13 min |
| NWS Chicago, IL: severe thunderstorm warnings | 135 | 86 | 36% | 425 | 79% | 29 min |
| NWS Chicago, IL: flash flood warnings | 32 | 12 | 63% | 37 | 86% | 123 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 12, 4:31 PM CST | Winter Weather Advisory | LOT | 11 hr |
| Jan 12, 6:17 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 26, 4:21 AM CST | Winter Storm Watch | LOT | 24 hr |
| Jan 26, 3:14 PM CST | Freezing Rain Advisory | LOT | 30 hr |
| Jan 27, 11:48 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 28, 3:28 PM CST | Flood Watch | LOT | 37 hr |
| Jan 28, 3:54 PM CST | Dense Fog Advisory | LOT | 11 hr |
| Jan 28, 9:59 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 29, 12:50 PM CST | Special Weather Statement | LOT | 25 min |
| Jan 29, 6:33 PM CST | Areal Flood Advisory | LOT | 113 days |
| Jan 29, 7:37 PM CST | Areal Flood Advisory | LOT | 6 hr |
| Jan 29, 10:33 PM CST | Areal Flood Advisory | LOT | 10 hr |
| Feb 10, 7:30 PM CST | Wind Advisory | LOT | 23 hr |
| Feb 20, 3:00 PM CST | Winter Weather Advisory | LOT | 46 hr |
| Feb 21, 7:46 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Mar 4, 4:06 AM CST | Winter Storm Warning | LOT | 47 hr |
| Mar 10, 4:15 PM CDT | Areal Flood Advisory | LOT | 22 hr |
| Mar 22, 3:48 PM CDT | Winter Storm Watch | LOT | 35 hr |
| Mar 24, 2:46 AM CDT | Winter Weather Advisory | LOT | 28 hr |
| Mar 24, 11:52 AM CDT | Mesoscale Discussion | SPC | 5 hr |
| Apr 10, 10:42 PM CDT | Special Weather Statement | LOT | 63 min |
| Apr 14, 4:10 AM CDT | Wind Advisory | LOT | 15 hr |
| Apr 16, 4:31 PM CDT | Flood Watch | LOT | 59 hr |
| Apr 17, 8:49 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 17, 9:14 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 17, 1:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 17, 3:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 17, 3:14 PM CDT | Special Weather Statement | LOT | 31 min |
| Apr 17, 3:33 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 17, 6:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 17, 6:48 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Apr 17, 7:44 PM CDT | Flash Flood Warning | LOT | 8 hr |
| Apr 17, 8:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 17, 9:27 PM CDT | River Flood Watch | LOT | 23 hr |
| Apr 18, 2:15 AM CDT | Areal Flood Warning | LOT | 10 hr |
| Apr 18, 4:01 AM CDT | Wind Advisory | LOT | 5 hr |
| Apr 18, 5:58 AM CDT | Flash Flood Warning | LOT | 8 hr |
| Apr 18, 6:14 AM CDT | Special Weather Statement | LOT | 61 min |
| Apr 18, 12:00 PM CDT | Flash Flood Warning | LOT | 8 hr |
| Apr 18, 7:36 PM CDT | Areal Flood Warning | LOT | 36 hr |
| Apr 18, 8:43 PM CDT | River Flood Advisory | LOT | 9 hr |
| Apr 19, 5:49 AM CDT | River Flood Warning | LOT | 23 hr |
| May 12, 4:07 AM CDT | Frost Advisory | LOT | 27 hr |
| May 20, 3:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 20, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 20, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 20, 9:12 PM CDT | Severe Thunderstorm Warning | LOT | 78 min |
| May 20, 10:54 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| May 26, 9:25 PM CDT | Areal Flood Advisory | LOT | 10 hr |
| May 26, 11:16 PM CDT | Flash Flood Warning | LOT | 10 hr |
| May 27, 8:41 AM CDT | Areal Flood Warning | LOT | 6 hr |
| May 27, 10:15 AM CDT | River Flood Advisory | LOT | 21 hr |
| May 27, 1:54 PM CDT | Flash Flood Watch | LOT | 40 hr |
| May 28, 6:25 AM CDT | River Flood Warning | LOT | 13 hr |
| May 28, 10:30 AM CDT | Special Weather Statement | LOT | 30 min |
| May 28, 7:58 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| May 29, 12:39 AM CDT | Special Weather Statement | LOT | 36 min |
| May 29, 6:20 AM CDT | River Flood Warning | LOT | 13 hr |
| May 30, 4:09 AM CDT | Flash Flood Watch | LOT | 66 hr |
| May 30, 11:29 AM CDT | Mesoscale Discussion | SPC | 61 min |
| May 30, 12:32 PM CDT | Tornado Watch | SPC | 7 hr |
| May 30, 2:55 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| May 30, 3:34 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| May 30, 7:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 30, 9:19 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| May 31, 5:20 PM CDT | Severe Thunderstorm Warning | LOT | 70 min |
| May 31, 5:49 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| May 31, 10:25 PM CDT | Flash Flood Warning | LOT | 6 hr |
| May 31, 10:27 PM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| May 31, 11:19 PM CDT | River Flood Advisory | LOT | 11 hr |
| Jun 1, 10:42 AM CDT | River Flood Warning | LOT | 34 hr |
| Jun 12, 10:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 12, 1:49 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 12, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 12, 7:48 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Jun 12, 8:43 PM CDT | Severe Thunderstorm Warning | LOT | 77 min |
| Jun 12, 11:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 22, 10:42 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 23, 2:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 24, 3:37 AM CDT | Flash Flood Watch | LOT | 60 hr |
| Jun 24, 2:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 4:51 PM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jun 24, 5:36 PM CDT | Severe Thunderstorm Warning | LOT | 84 min |
| Jun 24, 6:00 PM CDT | Mesoscale Discussion | SPC | 75 min |
| Jun 24, 6:31 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Jun 25, 12:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 25, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 5:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 25, 9:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 25, 9:49 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 3:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 26, 8:34 AM CDT | Severe Thunderstorm Warning | LOT | 26 min |
| Jun 29, 1:46 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 10, 8:03 AM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Jul 17, 3:29 PM CDT | Heat Advisory | LOT | 52 hr |
| Jul 21, 5:41 AM CDT | Dense Fog Advisory | LOT | 3 hr |
| Aug 2, 2:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 7, 1:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 7, 2:05 PM CDT | Special Weather Statement | LOT | 40 min |
| Aug 7, 2:23 PM CDT | Severe Thunderstorm Warning | LOT | 52 min |
| Aug 22, 10:31 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Aug 22, 11:45 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Aug 23, 1:19 AM CDT | Dense Fog Advisory | LOT | 8 hr |
| Aug 30, 7:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Aug 30, 7:22 PM CDT | Special Weather Statement | LOT | 53 min |
| Aug 30, 10:03 PM CDT | Special Weather Statement | LOT | 27 min |
| Aug 31, 3:19 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Sep 1, 4:27 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Sep 1, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 4:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Oct 2, 4:45 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Oct 3, 5:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Oct 5, 12:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 13, 3:07 PM CDT | Frost Advisory | LOT | 17 hr |
| Oct 21, 3:47 AM CDT | Freeze Watch | LOT | 12 hr |
| Oct 21, 3:21 PM CDT | Freeze Warning | LOT | 17 hr |
| Oct 30, 5:45 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Nov 16, 2:59 PM CST | Wind Advisory | LOT | 29 hr |
| Nov 17, 3:09 AM CST | High Wind Warning | LOT | 17 hr |
| Nov 17, 7:47 AM CST | Mesoscale Discussion | SPC | 88 min |
| Nov 17, 8:40 AM CST | Tornado Watch | SPC | 7 hr |
| Nov 17, 10:49 AM CST | Mesoscale Discussion | SPC | 86 min |
| Nov 17, 11:12 AM CST | Tornado Warning | LOT | 48 min |
| Nov 17, 11:33 AM CST | Tornado Warning | LOT | 42 min |
| Nov 17, 11:57 AM CST | Mesoscale Discussion | SPC | 93 min |
| Nov 17, 1:02 PM CST | Severe Thunderstorm Warning | LOT | 43 min |
| Dec 3, 6:50 AM CST | Dense Fog Advisory | LOT | 6 hr |
| Dec 8, 5:51 PM CST | Freezing Rain Advisory | LOT | 6 hr |
| Dec 11, 3:46 AM CST | Wind Chill Advisory | LOT | 25 hr |
| Dec 12, 7:50 PM CST | Winter Weather Advisory | LOT | 46 hr |
| Dec 19, 11:39 PM CST | Dense Fog Advisory | LOT | 19 hr |
| Dec 20, 7:06 PM CST | Dense Fog Advisory | LOT | 114 min |
| Dec 21, 2:20 AM CST | Freezing Rain Advisory | LOT | 14 hr |
| Dec 21, 12:36 PM CST | Areal Flood Advisory | LOT | 12 hr |
| Dec 23, 3:33 PM CST | Wind Chill Advisory | LOT | 17 hr |
| Dec 29, 4:00 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Dec 29, 9:38 AM CST | Freezing Rain Advisory | LOT | 8 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 archive20122014
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.