Alert archive / Illinois / Mason County
Weather alerts in Mason County, Illinois, 2009
145 weather alerts in 2009, 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 2009. Tap one for its archive.
- Alerts
- 145
- Warnings
- 48
- Watches
- 23
- Advisories
- 38
- Busiest month
- June31 alerts
- Busiest day
- June 18, 20099 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 3, 8:40 PM CST | Dense Fog Advisory | ILX | 9 hr |
| Jan 12, 3:06 PM CST | Winter Weather Advisory | ILX | 11 hr |
| Jan 13, 2:53 PM CST | Wind Chill Advisory | ILX | 68 hr |
| Jan 13, 2:53 PM CST | Winter Weather Advisory | ILX | 27 hr |
| Jan 13, 11:38 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 14, 2:49 AM CST | Wind Chill Warning | ILX | 56 hr |
| Feb 3, 3:25 PM CST | Wind Chill Advisory | ILX | 12 hr |
| Feb 10, 10:33 AM CST | Flood Watch | ILX | 29 hr |
| Feb 10, 12:36 PM CST | Wind Advisory | ILX | 32 hr |
| Feb 13, 10:40 AM CST | River Flood Warning | ILX | 145 days |
| Feb 26, 3:28 AM CST | Dense Fog Advisory | ILX | 7 hr |
| Feb 26, 9:26 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 26, 2:26 PM CST | Severe Thunderstorm Warning | ILX | 49 min |
| Mar 5, 10:32 AM CST | Wind Advisory | ILX | 7 hr |
| Mar 7, 10:26 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 8, 9:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Mar 8, 9:31 AM CDT | Wind Advisory | ILX | 11 hr |
| Mar 8, 10:39 AM CDT | Tornado Watch | SPC | 7 hr |
| Mar 9, 3:03 AM CDT | Flash Flood Watch | ILX | 33 hr |
| Mar 10, 4:49 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Mar 10, 3:52 PM CDT | Wind Advisory | ILX | 14 hr |
| Mar 23, 3:30 PM CDT | Wind Advisory | ILX | 24 hr |
| Mar 24, 3:19 PM CDT | High Wind Warning | ILX | 5 hr |
| Mar 27, 2:21 PM CDT | Winter Storm Watch | ILX | 13 hr |
| Mar 28, 3:48 AM CDT | Winter Weather Advisory | ILX | 28 hr |
| Apr 5, 10:50 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 25, 5:32 PM CDT | Mesoscale Discussion | SPC | 73 min |
| Apr 27, 5:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 27, 6:12 PM CDT | Special Weather Statement | ILX | 63 min |
| Apr 29, 3:11 PM CDT | Flash Flood Watch | ILX | 19 hr |
| Apr 30, 2:09 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 30, 2:48 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 30, 3:01 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Apr 30, 2:15 PM CDT | River Flood Warning | ILX | 45 hr |
| May 7, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| May 7, 4:53 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| May 7, 5:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 13, 9:27 AM CDT | Mesoscale Discussion | SPC | 63 min |
| May 13, 2:39 PM CDT | Tornado Watch | SPC | 7 hr |
| May 13, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 13, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 13, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 14, 3:02 PM CDT | Flash Flood Watch | ILX | 32 hr |
| May 15, 2:05 PM CDT | Mesoscale Discussion | SPC | 25 min |
| May 15, 2:39 PM CDT | Tornado Watch | SPC | 7 hr |
| May 15, 4:00 PM CDT | River Flood Warning | ILX | 9 days |
| May 15, 4:47 PM CDT | Areal Flood Advisory | ILX | 6 hr |
| May 15, 5:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 15, 5:38 PM CDT | Areal Flood Advisory | ILX | 6 hr |
| May 15, 5:54 PM CDT | Flash Flood Warning | ILX | 6 hr |
| May 15, 6:16 PM CDT | Special Weather Statement | ILX | 59 min |
| May 15, 10:44 PM CDT | Areal Flood Warning | ILX | 6 days |
| May 15, 11:31 PM CDT | Areal Flood Warning | ILX | 35 days |
| May 16, 10:23 AM CDT | River Flood Warning | ILX | 6 days |
| May 16, 11:50 AM CDT | Areal Flood Warning | ILX | 189 days |
| May 16, 6:16 PM CDT | Areal Flood Warning | ILX | 225 days |
| May 29, 3:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 30, 2:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 30, 6:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 1, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 6:43 PM CDT | Severe Thunderstorm Warning | ILX | 47 min |
| Jun 1, 8:10 PM CDT | Areal Flood Advisory | ILX | 9 days |
| Jun 2, 12:27 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 2, 5:16 PM CDT | Special Weather Statement | ILX | 59 min |
| Jun 8, 11:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 18, 1:01 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 18, 3:20 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 18, 4:12 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 18, 4:14 AM CDT | Severe Thunderstorm Warning | ILX | 61 min |
| Jun 18, 5:00 AM CDT | Severe Thunderstorm Warning | ILX | 45 min |
| Jun 18, 5:12 AM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jun 18, 5:39 AM CDT | Severe Thunderstorm Warning | ILX | 66 min |
| Jun 18, 10:11 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 19, 2:21 PM CDT | Severe Thunderstorm Warning | ILX | 54 min |
| Jun 19, 2:24 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 4:21 PM CDT | Severe Thunderstorm Warning | ILX | 39 min |
| Jun 19, 4:30 PM CDT | Severe Thunderstorm Warning | ILX | 45 min |
| Jun 19, 5:03 PM CDT | Severe Thunderstorm Warning | ILX | 42 min |
| Jun 19, 5:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 19, 7:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 22, 1:54 AM CDT | Heat Advisory | ILX | 65 hr |
| Jun 25, 10:38 AM CDT | Heat Advisory | ILX | 8 hr |
| Jun 25, 12:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 27, 2:41 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 7:30 PM CDT | Severe Thunderstorm Warning | ILX | 60 min |
| Jun 27, 7:51 PM CDT | Severe Thunderstorm Warning | ILX | 54 min |
| Jun 27, 8:29 PM CDT | Severe Thunderstorm Warning | ILX | 46 min |
| Jun 27, 9:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 27, 9:19 PM CDT | Areal Flood Advisory | ILX | 3 hr |
| Jul 7, 8:23 PM CDT | Special Weather Statement | ILX | 52 min |
| Jul 8, 3:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 8, 4:23 PM CDT | Tornado Warning | ILX | 52 min |
| Jul 8, 5:07 PM CDT | Tornado Warning | ILX | 38 min |
| Jul 15, 2:33 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 2:52 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Jul 24, 9:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jul 24, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 24, 10:42 PM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Jul 24, 11:01 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jul 24, 11:16 PM CDT | Severe Thunderstorm Warning | ILX | 59 min |
| Jul 24, 11:46 PM CDT | Severe Thunderstorm Warning | ILX | 44 min |
| Jul 24, 11:46 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 4, 7:39 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 7:42 AM CDT | Severe Thunderstorm Warning | ILX | 48 min |
| Aug 4, 8:11 AM CDT | Severe Thunderstorm Warning | ILX | 55 min |
| Aug 8, 3:10 AM CDT | Heat Advisory | ILX | 40 hr |
| Aug 17, 3:03 AM CDT | Flash Flood Watch | ILX | 12 hr |
| Aug 17, 3:23 PM CDT | Severe Thunderstorm Warning | ILX | 52 min |
| Aug 19, 11:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 19, 12:49 PM CDT | Tornado Watch | SPC | 6 hr |
| Aug 19, 1:49 PM CDT | Severe Thunderstorm Warning | ILX | 56 min |
| Aug 19, 2:43 PM CDT | Severe Thunderstorm Warning | ILX | 62 min |
| Aug 19, 8:56 PM CDT | Flash Flood Watch | ILX | 10 hr |
| Sep 6, 11:38 PM CDT | Dense Fog Advisory | ILX | 9 hr |
| Sep 10, 2:39 AM CDT | Dense Fog Advisory | ILX | 7 hr |
| Sep 10, 8:43 PM CDT | Dense Fog Advisory | ILX | 11 hr |
| Sep 20, 11:00 AM CDT | Areal Flood Advisory | ILX | 3 hr |
| Sep 25, 8:51 PM CDT | Dense Fog Advisory | ILX | 13 hr |
| Sep 26, 1:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Sep 27, 5:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 27, 8:22 PM CDT | Tornado Watch | SPC | 3 hr |
| Oct 9, 3:25 PM CDT | Frost Advisory | ILX | 18 hr |
| Oct 10, 2:11 AM CDT | Freeze Warning | ILX | 25 hr |
| Oct 17, 3:23 AM CDT | Frost Advisory | ILX | 30 hr |
| Oct 24, 8:39 PM CDT | River Flood Warning | ILX | 61 hr |
| Oct 26, 11:32 AM CDT | River Flood Warning | ILX | 44 days |
| Oct 28, 3:21 PM CDT | Flash Flood Watch | ILX | 4 days |
| Oct 30, 3:25 AM CDT | River Flood Warning | ILX | 7 days |
| Oct 30, 3:25 AM CDT | River Flood Warning | ILX | 9 days |
| Oct 30, 5:01 AM CDT | Areal Flood Advisory | ILX | 6 hr |
| Oct 30, 9:14 PM CDT | River Flood Warning | ILX | 62 hr |
| Nov 15, 2:25 PM CST | Flood Watch | ILX | 45 hr |
| Nov 17, 7:59 PM CST | River Flood Warning | ILX | 9 days |
| Nov 19, 6:40 PM CST | River Flood Warning | ILX | 4 days |
| Nov 20, 5:39 AM CST | Dense Fog Advisory | ILX | 3 hr |
| Nov 20, 9:49 PM CST | Dense Fog Advisory | ILX | 11 hr |
| Dec 7, 2:59 PM CST | Winter Weather Advisory | ILX | 60 hr |
| Dec 10, 2:48 AM CST | Wind Chill Advisory | ILX | 6 hr |
| Dec 22, 3:10 PM CST | Flood Watch | ILX | 67 hr |
| Dec 25, 1:07 AM CST | River Flood Warning | ILX | 8 days |
| Dec 25, 6:18 AM CST | River Flood Warning | ILX | 6 days |
| Dec 25, 6:41 AM CST | River Flood Warning | ILX | 5 days |
| Dec 27, 3:14 AM CST | Winter Weather Advisory | ILX | 12 hr |
| Dec 30, 9:40 AM CST | Winter Weather Advisory | ILX | 14 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 | 24 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 4 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 1 |
| River Flood Warning | 14 |
| Flash Flood Watch | 6 |
| Flood Watch | 3 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.