Alert archive / Illinois / Mason County
Weather alerts in Mason County, Illinois, 2017
106 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mason County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 106
- Warnings
- 28
- Watches
- 15
- Advisories
- 30
- Busiest month
- July19 alerts
- Busiest day
- March 7, 20175 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 2, 4:59 PM CST | Dense Fog Advisory | ILX | 15 hr |
| Jan 10, 3:43 AM CST | Wind Advisory | ILX | 17 hr |
| Jan 11, 11:53 AM CST | Dense Fog Advisory | ILX | 9 hr |
| Jan 12, 3:05 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 12, 4:00 AM CST | Freezing Rain Advisory | ILX | 5 hr |
| Jan 12, 4:13 AM CST | Winter Storm Watch | ILX | 59 hr |
| Jan 13, 4:17 AM CST | Freezing Rain Advisory | ILX | 56 hr |
| Jan 15, 10:45 PM CST | Dense Fog Advisory | ILX | 13 hr |
| Jan 16, 12:04 PM CST | Dense Fog Advisory | ILX | 17 hr |
| Jan 19, 10:57 AM CST | River Flood Warning | ILX | 18 days |
| Jan 19, 3:08 PM CST | Dense Fog Advisory | ILX | 19 hr |
| Jan 22, 1:41 AM CST | Dense Fog Advisory | ILX | 9 hr |
| Feb 6, 4:56 PM CST | Dense Fog Advisory | ILX | 13 hr |
| Feb 6, 11:20 PM CST | Mesoscale Discussion | SPC | 115 min |
| Feb 7, 3:43 AM CST | Special Weather Statement | ILX | 32 min |
| Feb 8, 3:27 AM CST | Winter Weather Advisory | ILX | 15 hr |
| Feb 19, 1:00 AM CST | Dense Fog Advisory | ILX | 10 hr |
| Feb 19, 10:08 PM CST | Dense Fog Advisory | ILX | 11 hr |
| Feb 21, 10:51 PM CST | Dense Fog Advisory | ILX | 12 hr |
| Feb 23, 4:25 AM CST | Dense Fog Advisory | ILX | 6 hr |
| Feb 28, 2:57 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 28, 8:06 PM CST | Mesoscale Discussion | SPC | 84 min |
| Feb 28, 9:51 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 6, 8:22 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 8:52 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 6, 10:32 PM CST | Severe Thunderstorm Warning | ILX | 28 min |
| Mar 6, 11:21 PM CST | Severe Thunderstorm Warning | ILX | 54 min |
| Mar 6, 11:49 PM CST | Severe Thunderstorm Warning | ILX | 56 min |
| Mar 8, 10:44 AM CST | Red Flag Warning | ILX | 6 hr |
| Mar 12, 3:37 AM CDT | Winter Weather Advisory | ILX | 35 hr |
| Mar 31, 11:37 AM CDT | River Flood Warning | ILX | 70 days |
| Apr 10, 4:56 AM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| Apr 10, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 10, 3:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 2:41 PM CDT | Flash Flood Watch | ILX | 5 days |
| Apr 28, 11:06 AM CDT | River Flood Warning | ILX | 11 days |
| Apr 28, 11:07 AM CDT | River Flood Warning | ILX | 14 days |
| Apr 28, 11:09 AM CDT | River Flood Warning | ILX | 6 days |
| Apr 29, 4:50 PM CDT | Severe Thunderstorm Warning | ILX | 40 min |
| Apr 29, 5:34 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Apr 29, 6:10 PM CDT | Flash Flood Warning | ILX | 6 hr |
| Apr 29, 11:49 PM CDT | Areal Flood Warning | ILX | 9 hr |
| May 10, 12:05 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 12:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 10, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 10, 6:10 PM CDT | Severe Thunderstorm Warning | ILX | 35 min |
| May 10, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | 49 min |
| May 17, 4:18 AM CDT | Wind Advisory | ILX | 21 hr |
| May 23, 10:45 AM CDT | River Flood Warning | ILX | 3 days |
| May 26, 2:45 PM CDT | Tornado Watch | SPC | 5 hr |
| May 26, 4:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 14, 12:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 2:01 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jun 14, 5:18 PM CDT | Severe Thunderstorm Warning | ILX | 57 min |
| Jun 16, 2:48 AM CDT | Special Weather Statement | ILX | 42 min |
| Jun 17, 5:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 20, 2:05 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 4:47 PM CDT | Special Weather Statement | ILX | 43 min |
| Jun 29, 12:43 AM CDT | Special Weather Statement | ILX | 62 min |
| Jul 10, 5:51 AM CDT | Severe Thunderstorm Warning | ILX | 31 min |
| Jul 10, 6:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 10, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 6:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 10, 6:42 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jul 10, 7:12 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jul 10, 8:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 7:31 AM CDT | Special Weather Statement | ILX | 74 min |
| Jul 12, 3:36 AM CDT | Heat Advisory | ILX | 15 hr |
| Jul 16, 2:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 16, 3:24 PM CDT | Special Weather Statement | ILX | 3 hr |
| Jul 16, 4:34 PM CDT | Severe Thunderstorm Warning | ILX | 41 min |
| Jul 17, 3:11 PM CDT | Excessive Heat Watch | ILX | 24 hr |
| Jul 18, 3:07 PM CDT | Excessive Heat Warning | ILX | 4 days |
| Jul 18, 8:50 PM CDT | Special Weather Statement | ILX | 25 min |
| Jul 24, 11:37 AM CDT | River Flood Warning | ILX | 9 days |
| Jul 26, 3:07 AM CDT | Flash Flood Watch | ILX | 12 hr |
| Jul 26, 4:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Jul 26, 9:14 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Aug 1, 1:43 PM CDT | Special Weather Statement | ILX | 2 hr |
| Aug 2, 4:13 PM CDT | Special Weather Statement | ILX | 2 hr |
| Aug 3, 12:19 PM CDT | Special Weather Statement | ILX | 56 min |
| Aug 3, 5:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 7:34 PM CDT | Special Weather Statement | ILX | 41 min |
| Aug 16, 2:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 28, 2:34 AM CDT | Dense Fog Advisory | ILX | 6 hr |
| Aug 28, 11:07 PM CDT | Dense Fog Advisory | ILX | 11 hr |
| Aug 30, 4:37 AM CDT | Dense Fog Advisory | ILX | 4 hr |
| Sep 14, 1:09 AM CDT | Dense Fog Advisory | ILX | 9 hr |
| Sep 19, 1:18 AM CDT | Dense Fog Advisory | ILX | 9 hr |
| Oct 9, 7:47 AM CDT | Dense Fog Advisory | ILX | 3 hr |
| Oct 14, 3:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 14, 5:09 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 14, 6:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Oct 14, 9:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Oct 27, 3:24 AM CDT | Freeze Watch | ILX | 12 hr |
| Oct 27, 2:56 PM CDT | Freeze Warning | ILX | 42 hr |
| Nov 5, 3:58 AM CST | Dense Fog Advisory | ILX | 6 hr |
| Nov 17, 3:11 PM CST | Wind Advisory | ILX | 27 hr |
| Nov 18, 5:29 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 18, 6:43 AM CST | Special Weather Statement | ILX | 47 min |
| Nov 18, 8:52 AM CST | Flash Flood Warning | ILX | 6 hr |
| Dec 13, 10:58 AM CST | Wind Advisory | ILX | 10 hr |
| Dec 23, 3:39 AM CST | Winter Weather Advisory | ILX | 38 hr |
| Dec 26, 3:56 AM CST | Wind Chill Advisory | ILX | 30 hr |
| Dec 29, 3:00 PM CST | Wind Chill Advisory | ILX | 4 days |
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 | 14 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 3 |
| River Flood Warning | 7 |
| Flash Flood Watch | 2 |
| Winter | |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 2 |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 18 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.