Alert archive / Illinois / Livingston County
Weather alerts in Livingston County, Illinois, 2014
131 weather alerts in 2014, 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 2014. Tap one for its archive.
- Alerts
- 131
- Warnings
- 33
- Watches
- 20
- Advisories
- 40
- Busiest month
- June23 alerts
- Busiest day
- June 30, 201410 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Livingston County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 14 | 9 | 36% | 2 | 100% | 26 min |
| Flash flood warnings | 6 | 1 | 83% | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Chicago, IL: tornado warnings | 9 | 2 | 78% | 17 | 41% | 8 min |
| NWS Chicago, IL: severe thunderstorm warnings | 130 | 77 | 41% | 403 | 85% | 31 min |
| NWS Chicago, IL: flash flood warnings | 29 | 13 | 55% | 42 | 67% | 73 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 2, 4:33 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Jan 3, 10:20 AM CST | Winter Storm Watch | LOT | 18 hr |
| Jan 3, 5:23 PM CST | Areal Flood Advisory | LOT | 90 days |
| Jan 4, 3:57 AM CST | Winter Storm Warning | LOT | 44 hr |
| Jan 4, 2:07 PM CST | Wind Chill Warning | LOT | 70 hr |
| Jan 17, 3:21 PM CST | Winter Weather Advisory | LOT | 29 hr |
| Jan 22, 3:47 AM CST | Wind Chill Advisory | LOT | 32 hr |
| Jan 22, 4:02 PM CST | Winter Weather Advisory | LOT | 12 hr |
| Jan 23, 4:12 AM CST | Wind Chill Advisory | LOT | 30 hr |
| Jan 23, 3:37 PM CST | Winter Weather Advisory | LOT | 41 hr |
| Jan 25, 4:07 AM CST | Wind Chill Watch | LOT | 12 hr |
| Jan 25, 3:41 PM CST | Wind Chill Warning | LOT | 68 hr |
| Jan 25, 3:41 PM CST | Winter Weather Advisory | LOT | 28 hr |
| Jan 26, 3:17 PM CST | Winter Storm Warning | LOT | 15 hr |
| Jan 30, 2:36 PM CST | Winter Storm Watch | LOT | 24 hr |
| Jan 31, 10:42 AM CST | Winter Storm Warning | LOT | 31 hr |
| Feb 3, 3:36 AM CST | Winter Storm Watch | LOT | 24 hr |
| Feb 4, 3:08 AM CST | Winter Storm Warning | LOT | 33 hr |
| Feb 4, 3:08 AM CST | Winter Weather Advisory | LOT | 35 hr |
| Feb 5, 2:36 PM CST | Wind Chill Advisory | LOT | 19 hr |
| Feb 6, 3:53 AM CST | Wind Chill Advisory | LOT | 31 hr |
| Feb 9, 3:04 AM CST | Wind Chill Advisory | LOT | 32 hr |
| Feb 14, 9:12 AM CST | Special Weather Statement | LOT | 2 hr |
| Feb 14, 11:32 AM CST | Special Weather Statement | LOT | 88 min |
| Feb 16, 4:02 AM CST | Winter Weather Advisory | LOT | 21 hr |
| Feb 17, 12:32 AM CST | Winter Storm Warning | LOT | 20 hr |
| Feb 17, 11:30 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 19, 3:21 AM CST | Flood Watch | LOT | 36 hr |
| Feb 19, 9:27 PM CST | High Wind Watch | LOT | 6 hr |
| Feb 20, 3:33 AM CST | High Wind Warning | LOT | 19 hr |
| Feb 20, 6:19 AM CST | Areal Flood Advisory | LOT | 6 hr |
| Feb 20, 1:53 PM CST | Dense Fog Advisory | LOT | 5 hr |
| Feb 20, 10:59 PM CST | Wind Advisory | LOT | 16 hr |
| Feb 22, 3:05 PM CST | River Flood Warning | LOT | 20 hr |
| Feb 25, 3:11 AM CST | Wind Chill Advisory | LOT | 31 hr |
| Feb 26, 10:21 AM CST | Wind Chill Advisory | LOT | 25 hr |
| Mar 1, 2:59 AM CST | Winter Weather Advisory | LOT | 36 hr |
| Mar 10, 3:42 PM CDT | Winter Storm Watch | LOT | 23 hr |
| Mar 11, 3:51 AM CDT | Winter Storm Warning | LOT | 31 hr |
| Mar 11, 3:51 AM CDT | Winter Weather Advisory | LOT | 31 hr |
| Mar 11, 11:52 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Apr 3, 2:49 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 28, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 28, 6:31 PM CDT | Special Weather Statement | LOT | 29 min |
| Apr 28, 7:01 PM CDT | Special Weather Statement | LOT | 29 min |
| Apr 29, 5:49 AM CDT | Dense Fog Advisory | LOT | 3 hr |
| May 11, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 4:50 PM CDT | Severe Thunderstorm Warning | LOT | 55 min |
| May 11, 5:01 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| May 11, 5:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 11, 5:26 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| May 11, 5:44 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| May 11, 6:20 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| May 11, 6:57 PM CDT | Flash Flood Warning | LOT | 4 hr |
| May 11, 7:58 PM CDT | Flash Flood Warning | LOT | 3 hr |
| May 11, 8:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 12, 10:29 PM CDT | Special Weather Statement | LOT | 31 min |
| May 28, 2:29 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 4, 2:29 AM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Jun 17, 1:58 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 18, 9:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 21, 12:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 1:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 2:42 PM CDT | Severe Thunderstorm Warning | LOT | 48 min |
| Jun 21, 3:28 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Jun 21, 3:41 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 21, 3:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 21, 6:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 22, 7:49 PM CDT | Special Weather Statement | LOT | 56 min |
| Jun 23, 12:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 12:11 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 30, 1:41 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 30, 3:12 AM CDT | Special Weather Statement | LOT | 33 min |
| Jun 30, 4:12 AM CDT | Flash Flood Watch | LOT | 21 hr |
| Jun 30, 4:35 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 30, 5:51 AM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jun 30, 6:44 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 30, 1:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 30, 3:25 PM CDT | Mesoscale Discussion | SPC | 35 min |
| Jun 30, 3:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 3:47 PM CDT | Special Weather Statement | LOT | 43 min |
| Jun 30, 8:44 PM CDT | Mesoscale Discussion | SPC | 31 min |
| Jun 30, 9:01 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 9:18 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Jun 30, 9:37 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 30, 9:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 30, 9:49 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 30, 10:12 PM CDT | Severe Thunderstorm Warning | LOT | 78 min |
| Jul 12, 7:38 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jul 12, 8:12 AM CDT | Flash Flood Warning | LOT | 4 hr |
| Jul 12, 12:05 PM CDT | Flash Flood Warning | LOT | 3 hr |
| Jul 12, 2:36 PM CDT | Areal Flood Warning | LOT | 4 hr |
| Jul 12, 3:21 PM CDT | Flash Flood Watch | LOT | 14 hr |
| Jul 12, 5:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 12, 9:51 PM CDT | Tornado Watch | SPC | 3 hr |
| Jul 13, 1:37 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 14, 10:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 14, 11:42 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 1, 4:35 PM CDT | Special Weather Statement | LOT | 25 min |
| Aug 18, 3:47 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| Aug 22, 2:06 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Aug 22, 5:10 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 22, 7:51 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Aug 22, 10:56 AM CDT | Areal Flood Warning | LOT | 6 hr |
| Aug 23, 11:18 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Aug 24, 3:12 PM CDT | Heat Advisory | LOT | 27 hr |
| Aug 25, 1:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 25, 3:34 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 25, 5:17 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Aug 25, 5:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 25, 5:35 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Aug 25, 5:36 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 25, 7:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 30, 11:43 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 31, 1:59 AM CDT | Areal Flood Warning | LOT | 8 hr |
| Sep 5, 2:02 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 5, 5:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 9, 11:54 AM CDT | Flash Flood Watch | LOT | 31 hr |
| Sep 10, 6:37 AM CDT | Special Weather Statement | LOT | 53 min |
| Sep 20, 1:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Sep 20, 2:12 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 20, 6:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 4, 3:05 PM CDT | Frost Advisory | LOT | 17 hr |
| Oct 11, 7:18 PM CDT | Frost Advisory | LOT | 13 hr |
| Oct 13, 2:24 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 13, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Oct 13, 5:39 PM CDT | Severe Thunderstorm Warning | LOT | 36 min |
| Oct 18, 3:32 AM CDT | Frost Advisory | LOT | 30 hr |
| Nov 21, 2:45 AM CST | Freezing Rain Advisory | LOT | 30 hr |
| Dec 14, 6:15 PM CST | Dense Fog Advisory | LOT | 14 hr |
| Dec 23, 2:16 PM CST | Winter Weather Advisory | LOT | 20 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 archive20132015
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.