Alert archive / Illinois / Mercer County
Weather alerts in Mercer County, Illinois, 2011
123 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mercer County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 123
- Warnings
- 33
- Watches
- 19
- Advisories
- 28
- Busiest month
- May25 alerts
- Busiest day
- May 25, 20117 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 10, 4:17 AM CST | Winter Weather Advisory | DVN | 38 hr |
| Jan 16, 3:50 PM CST | Winter Weather Advisory | DVN | 28 hr |
| Jan 17, 6:35 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 24, 2:45 AM CST | Freezing Rain Advisory | DVN | 5 hr |
| Jan 30, 3:40 AM CST | Winter Storm Watch | DVN | 37 hr |
| Jan 31, 4:12 PM CST | Blizzard Warning | DVN | 44 hr |
| Feb 1, 10:36 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 1, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 3:38 PM CST | Wind Chill Advisory | DVN | 19 hr |
| Feb 7, 3:31 PM CST | Wind Chill Advisory | DVN | 20 hr |
| Feb 8, 3:37 PM CST | Wind Chill Advisory | DVN | 18 hr |
| Feb 24, 3:20 AM CST | Winter Weather Advisory | DVN | 26 hr |
| Feb 24, 5:20 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 27, 3:37 PM CST | Winter Weather Advisory | DVN | 11 hr |
| Feb 27, 5:50 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 22, 6:19 PM CDT | Special Weather Statement | DVN | 56 min |
| Mar 22, 10:59 PM CDT | Special Weather Statement | DVN | 61 min |
| Mar 22, 11:14 PM CDT | Severe Thunderstorm Warning | DVN | 61 min |
| Mar 22, 11:24 PM CDT | Severe Thunderstorm Warning | DVN | 66 min |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | 51 days |
| Mar 23, 2:47 PM CDT | River Flood Warning | DVN | 52 days |
| Mar 28, 1:26 PM CDT | River Flood Warning | DVN | 43 days |
| Mar 28, 1:26 PM CDT | River Flood Warning | DVN | 44 days |
| Apr 3, 4:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 3, 5:57 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 3, 7:44 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 3, 8:28 PM CDT | Severe Thunderstorm Warning | DVN | 46 min |
| Apr 3, 8:51 PM CDT | Severe Thunderstorm Warning | DVN | 54 min |
| Apr 10, 3:55 AM CDT | Wind Advisory | DVN | 12 hr |
| Apr 10, 5:03 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 10, 5:54 PM CDT | Special Weather Statement | DVN | 36 min |
| Apr 10, 6:05 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 10, 8:35 PM CDT | Severe Thunderstorm Warning | DVN | 55 min |
| Apr 15, 4:30 AM CDT | Wind Advisory | DVN | 15 hr |
| Apr 19, 8:31 AM CDT | Special Weather Statement | DVN | 59 min |
| May 2, 3:33 PM CDT | Frost Advisory | DVN | 15 hr |
| May 3, 3:15 PM CDT | Freeze Warning | DVN | 16 hr |
| May 11, 1:23 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 11, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 4:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 10:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 12:51 PM CDT | Tornado Watch | SPC | 10 hr |
| May 22, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 24, 1:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 25, 2:38 AM CDT | Flash Flood Watch | DVN | 20 hr |
| May 25, 3:46 AM CDT | Special Weather Statement | DVN | 59 min |
| May 25, 2:31 PM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 5:05 PM CDT | Severe Thunderstorm Warning | DVN | 40 min |
| May 25, 5:11 PM CDT | Tornado Warning | DVN | 23 min |
| May 25, 5:30 PM CDT | Severe Thunderstorm Warning | DVN | 45 min |
| May 25, 5:34 PM CDT | Flash Flood Warning | DVN | 4 hr |
| May 27, 7:24 PM CDT | River Flood Warning | DVN | 16 hr |
| May 29, 5:05 AM CDT | Dense Fog Advisory | DVN | 4 hr |
| May 29, 8:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| May 29, 8:53 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 29, 9:58 AM CDT | Severe Thunderstorm Warning | DVN | 62 min |
| May 29, 10:12 AM CDT | Flash Flood Warning | DVN | 4 hr |
| May 29, 10:33 AM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| May 29, 10:00 PM CDT | River Flood Warning | DVN | 6 days |
| May 30, 11:14 AM CDT | River Flood Warning | DVN | 47 hr |
| Jun 5, 2:52 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 5:00 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 9:02 AM CDT | Special Weather Statement | DVN | 43 min |
| Jun 6, 3:28 AM CDT | Heat Advisory | DVN | 64 hr |
| Jun 8, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 8, 8:43 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 9, 1:44 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 3:12 AM CDT | Flash Flood Watch | DVN | 28 hr |
| Jun 9, 5:12 AM CDT | Severe Thunderstorm Warning | DVN | 63 min |
| Jun 13, 9:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 14, 11:12 AM CDT | Special Weather Statement | DVN | 63 min |
| Jun 15, 2:29 AM CDT | Special Weather Statement | DVN | 2 hr |
| Jun 19, 10:17 PM CDT | Flash Flood Watch | DVN | 15 hr |
| Jun 19, 11:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 20, 1:24 AM CDT | Special Weather Statement | DVN | 66 min |
| Jun 20, 1:26 AM CDT | Special Weather Statement | DVN | 64 min |
| Jun 20, 2:00 AM CDT | Severe Thunderstorm Warning | DVN | 34 min |
| Jun 20, 4:08 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 20, 3:25 PM CDT | Flash Flood Watch | DVN | 12 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 29, 3:18 PM CDT | Excessive Heat Watch | DVN | 13 hr |
| Jun 30, 3:55 AM CDT | Heat Advisory | DVN | 44 hr |
| Jul 10, 1:58 PM CDT | Heat Advisory | DVN | 5 hr |
| Jul 10, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 3:12 AM CDT | Heat Advisory | DVN | 16 hr |
| Jul 11, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 5:07 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 14, 3:40 PM CDT | Excessive Heat Watch | DVN | 24 hr |
| Jul 15, 3:42 PM CDT | Excessive Heat Warning | DVN | 9 days |
| Jul 21, 7:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jul 26, 10:53 AM CDT | Heat Advisory | DVN | 10 hr |
| Jul 27, 3:44 AM CDT | Heat Advisory | DVN | 18 hr |
| Jul 28, 12:03 PM CDT | Heat Advisory | DVN | 10 hr |
| Jul 28, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 30, 4:17 AM CDT | River Flood Warning | DVN | 16 hr |
| Jul 30, 4:17 AM CDT | River Flood Warning | DVN | 30 hr |
| Jul 30, 8:31 PM CDT | River Flood Warning | DVN | 24 hr |
| Jul 30, 8:31 PM CDT | River Flood Warning | DVN | 33 hr |
| Jul 31, 3:54 AM CDT | Heat Advisory | DVN | 66 hr |
| Aug 2, 3:50 AM CDT | Excessive Heat Warning | DVN | 18 hr |
| Aug 2, 12:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 6, 10:14 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 6, 11:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 7, 1:14 AM CDT | Severe Thunderstorm Warning | DVN | 61 min |
| Aug 7, 1:55 AM CDT | Severe Thunderstorm Warning | DVN | 50 min |
| Aug 8, 1:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 17, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 23, 7:16 AM CDT | Special Weather Statement | DVN | 59 min |
| Aug 23, 7:48 AM CDT | Special Weather Statement | DVN | 57 min |
| Aug 24, 3:55 AM CDT | Heat Advisory | DVN | 12 hr |
| Sep 1, 10:40 AM CDT | Heat Advisory | DVN | 32 hr |
| Sep 3, 2:42 PM CDT | Special Weather Statement | DVN | 48 min |
| Sep 3, 2:52 PM CDT | Severe Thunderstorm Warning | DVN | 53 min |
| Sep 3, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 3, 5:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Sep 28, 2:59 AM CDT | Dense Fog Advisory | DVN | 8 hr |
| Sep 28, 3:57 PM CDT | Wind Advisory | DVN | 27 hr |
| Oct 1, 2:47 PM CDT | Frost Advisory | DVN | 17 hr |
| Oct 20, 3:20 AM CDT | Freeze Warning | DVN | 30 hr |
| Oct 25, 6:56 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Nov 12, 3:24 PM CST | Wind Advisory | DVN | 26 hr |
| Nov 23, 4:53 AM CST | Dense Fog Advisory | DVN | 7 hr |
| Dec 6, 7:45 AM CST | Winter Weather Advisory | DVN | 6 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 | 14 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 13 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 11 |
| Flash Flood Watch | 4 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 10 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.