Alert archive / Illinois / Williamson County
Weather alerts in Williamson County, Illinois, 2016
120 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Williamson County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 120
- Warnings
- 29
- Watches
- 20
- Advisories
- 34
- Busiest month
- May31 alerts
- Busiest day
- May 11, 201610 alerts
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 |
|---|---|---|---|
| Jan 9, 3:05 PM CST | Winter Weather Advisory | PAH | 13 hr |
| Jan 19, 3:33 AM CST | Winter Storm Watch | PAH | 9 hr |
| Jan 19, 12:04 PM CST | Winter Storm Warning | PAH | 20 hr |
| Jan 19, 8:21 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 1, 3:54 PM CST | Wind Advisory | PAH | 30 hr |
| Feb 2, 9:54 AM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 2, 12:22 PM CST | Tornado Watch | SPC | 9 hr |
| Feb 9, 5:29 AM CST | Winter Weather Advisory | PAH | 7 hr |
| Feb 13, 2:43 PM CST | Winter Weather Advisory | PAH | 36 hr |
| Feb 14, 7:14 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 15, 7:14 AM CST | Dense Fog Advisory | PAH | 4 hr |
| Feb 15, 11:14 AM CST | Dense Fog Advisory | PAH | 3 hr |
| Feb 16, 1:09 AM CST | Dense Fog Advisory | PAH | 8 hr |
| Feb 16, 1:14 PM CST | Winter Weather Advisory | PAH | 5 hr |
| Feb 18, 3:09 PM CST | Wind Advisory | PAH | 24 hr |
| Feb 20, 3:32 AM CST | Dense Fog Advisory | PAH | 5 hr |
| Feb 23, 3:50 PM CST | Wind Advisory | PAH | 23 hr |
| Feb 23, 4:03 PM CST | Winter Weather Advisory | PAH | 24 hr |
| Feb 28, 1:46 PM CST | Wind Advisory | PAH | 3 hr |
| Mar 8, 3:11 PM CST | Flash Flood Watch | PAH | 50 hr |
| Mar 15, 5:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Mar 19, 3:23 PM CDT | Freeze Watch | PAH | 23 hr |
| Mar 20, 2:03 PM CDT | Freeze Warning | PAH | 17 hr |
| Mar 22, 3:36 AM CDT | Wind Advisory | PAH | 15 hr |
| Mar 25, 3:24 PM CDT | Frost Advisory | PAH | 18 hr |
| Mar 27, 2:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 3:50 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 27, 4:17 PM CDT | Severe Thunderstorm Warning | PAH | 28 min |
| Mar 31, 12:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 31, 5:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 6, 2:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 4:00 AM CDT | Freeze Watch | PAH | 23 hr |
| Apr 8, 3:11 AM CDT | Freeze Warning | PAH | 29 hr |
| Apr 24, 3:32 AM CDT | Dense Fog Advisory | PAH | 5 hr |
| Apr 26, 2:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 3:03 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 11:49 PM CDT | Special Weather Statement | PAH | 26 min |
| Apr 28, 12:10 AM CDT | Special Weather Statement | PAH | 50 min |
| Apr 28, 1:34 AM CDT | Special Weather Statement | PAH | 26 min |
| May 7, 11:46 AM CDT | Lake Wind Advisory | PAH | 6 hr |
| May 7, 5:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 9, 8:16 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 9, 9:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 9, 10:51 PM CDT | Special Weather Statement | PAH | 69 min |
| May 10, 7:01 AM CDT | Mesoscale Discussion | SPC | 104 min |
| May 11, 1:44 AM CDT | Dense Fog Advisory | PAH | 7 hr |
| May 11, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | 12 hr |
| May 11, 5:34 PM CDT | Severe Thunderstorm Warning | PAH | 56 min |
| May 11, 6:00 PM CDT | Tornado Warning | PAH | 30 min |
| May 11, 6:08 PM CDT | Severe Thunderstorm Warning | PAH | 52 min |
| May 11, 6:30 PM CDT | Tornado Warning | PAH | 30 min |
| May 11, 6:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 6:33 PM CDT | Severe Thunderstorm Warning | PAH | 27 min |
| May 11, 6:45 PM CDT | Tornado Warning | PAH | 45 min |
| May 11, 6:58 PM CDT | Severe Thunderstorm Warning | PAH | 47 min |
| May 11, 7:06 PM CDT | Severe Thunderstorm Warning | PAH | 24 min |
| May 11, 7:18 PM CDT | Flash Flood Warning | PAH | 3 hr |
| May 11, 7:29 PM CDT | Special Weather Statement | PAH | 61 min |
| May 11, 7:31 PM CDT | Severe Thunderstorm Warning | PAH | 29 min |
| May 11, 7:51 PM CDT | Severe Thunderstorm Warning | PAH | 39 min |
| May 11, 9:01 PM CDT | Special Weather Statement | PAH | 29 min |
| May 11, 10:59 PM CDT | Severe Thunderstorm Warning | PAH | 31 min |
| May 11, 11:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 12, 9:10 AM CDT | Areal Flood Advisory | PAH | 3 hr |
| May 26, 9:05 AM CDT | Mesoscale Discussion | SPC | 85 min |
| May 26, 10:03 AM CDT | Severe Thunderstorm Warning | PAH | 27 min |
| May 26, 11:29 AM CDT | Flash Flood Watch | PAH | 6 hr |
| May 27, 1:49 PM CDT | Flash Flood Watch | PAH | 6 hr |
| May 27, 4:10 PM CDT | Special Weather Statement | PAH | 50 min |
| May 27, 5:06 PM CDT | Special Weather Statement | PAH | 39 min |
| Jun 15, 12:39 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 15, 2:36 PM CDT | Heat Advisory | PAH | 28 hr |
| Jun 23, 3:17 AM CDT | Heat Advisory | PAH | 16 hr |
| Jul 3, 4:16 AM CDT | Flash Flood Watch | PAH | 35 hr |
| Jul 3, 2:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Jul 3, 5:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 10:48 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 6, 12:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 6, 7:47 PM CDT | Flash Flood Watch | PAH | 8 hr |
| Jul 6, 9:40 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Jul 7, 5:14 AM CDT | Dense Fog Advisory | PAH | 3 hr |
| Jul 7, 5:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 8:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 7, 8:52 AM CDT | Flash Flood Watch | PAH | 6 hr |
| Jul 7, 12:37 PM CDT | Severe Thunderstorm Warning | PAH | 23 min |
| Jul 8, 5:47 AM CDT | Special Weather Statement | PAH | 58 min |
| Jul 12, 3:01 PM CDT | Areal Flood Advisory | PAH | 3 hr |
| Jul 13, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 13, 4:27 PM CDT | Severe Thunderstorm Warning | PAH | 63 min |
| Jul 13, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 5:30 PM CDT | Special Weather Statement | PAH | 60 min |
| Jul 15, 2:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 3:04 AM CDT | Heat Advisory | PAH | 7 days |
| Jul 20, 4:27 AM CDT | Excessive Heat Warning | PAH | 5 days |
| Jul 23, 2:03 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Jul 25, 4:23 PM CDT | Areal Flood Advisory | PAH | 2 hr |
| Aug 3, 10:14 AM CDT | Flash Flood Warning | PAH | 3 hr |
| Aug 4, 1:05 PM CDT | Heat Advisory | PAH | 30 hr |
| Aug 5, 2:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 12, 3:40 AM CDT | Flash Flood Watch | PAH | 4 days |
| Aug 13, 8:50 AM CDT | Flash Flood Warning | PAH | 3 hr |
| Aug 13, 11:45 AM CDT | Flash Flood Warning | PAH | 8 hr |
| Aug 13, 1:05 PM CDT | River Flood Warning | PAH | 8 days |
| Aug 14, 8:34 PM CDT | Areal Flood Warning | PAH | 12 hr |
| Aug 14, 10:30 PM CDT | Flash Flood Warning | PAH | 3 hr |
| Aug 15, 1:31 AM CDT | Areal Flood Warning | PAH | 6 hr |
| Aug 26, 1:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Sep 8, 1:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 16, 4:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Sep 19, 2:38 AM CDT | Dense Fog Advisory | PAH | 6 hr |
| Oct 3, 4:06 AM CDT | Dense Fog Advisory | PAH | 5 hr |
| Oct 19, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 9, 3:23 AM CST | Frost Advisory | PAH | 29 hr |
| Nov 12, 2:11 AM CST | Freeze Warning | PAH | 30 hr |
| Nov 18, 1:19 PM CST | Mesoscale Discussion | SPC | 116 min |
| Dec 17, 3:10 AM CST | Winter Weather Advisory | PAH | 27 hr |
| Dec 17, 5:32 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 24, 6:17 AM CST | Dense Fog Advisory | PAH | 4 hr |
| Dec 24, 3:52 PM CST | Dense Fog Advisory | PAH | 18 hr |
| Dec 26, 9:34 AM CST | Areal Flood Advisory | PAH | 3 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 archive20152017
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. Rebuilt daily.