Alert archive / Illinois / Grundy County
Weather alerts in Grundy County, Illinois, 2011
163 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Grundy County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 163
- Warnings
- 33
- Watches
- 26
- Advisories
- 55
- Busiest month
- May44 alerts
- Busiest day
- May 29, 20118 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 1, 11:39 AM CST | River Flood Advisory | LOT | 8 hr |
| Jan 10, 3:29 AM CST | Winter Weather Advisory | LOT | 41 hr |
| Jan 19, 2:50 PM CST | Wind Chill Advisory | LOT | 44 hr |
| Jan 24, 2:20 AM CST | Freezing Rain Advisory | LOT | 9 hr |
| Jan 30, 5:26 AM CST | Winter Storm Watch | LOT | 6 hr |
| Jan 30, 11:34 AM CST | Blizzard Watch | LOT | 28 hr |
| Jan 31, 3:20 PM CST | Blizzard Warning | LOT | 48 hr |
| Feb 1, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 2, 4:31 AM CST | Wind Chill Watch | LOT | 11 hr |
| Feb 2, 3:26 PM CST | Wind Chill Advisory | LOT | 19 hr |
| Feb 8, 3:50 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Feb 9, 3:09 PM CST | Wind Chill Advisory | LOT | 19 hr |
| Feb 20, 4:35 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 24, 4:12 AM CST | Winter Weather Advisory | LOT | 27 hr |
| Feb 24, 5:20 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 26, 9:12 PM CST | Freezing Rain Advisory | LOT | 7 hr |
| Feb 27, 10:49 AM CST | River Flood Warning | LOT | 11 hr |
| Feb 27, 11:03 AM CST | River Flood Advisory | LOT | 23 hr |
| Feb 27, 11:03 AM CST | River Flood Advisory | LOT | 23 hr |
| Feb 27, 3:37 PM CST | Winter Weather Advisory | LOT | 12 hr |
| Feb 27, 9:20 PM CST | Areal Flood Advisory | LOT | 5 hr |
| Feb 28, 7:50 PM CST | River Flood Advisory | LOT | 7 hr |
| Mar 5, 5:46 AM CST | River Flood Advisory | LOT | 16 hr |
| Mar 22, 2:39 AM CDT | Special Weather Statement | LOT | 36 min |
| Apr 3, 12:21 PM CDT | Wind Advisory | LOT | 6 hr |
| Apr 3, 8:54 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 3, 10:11 PM CDT | Severe Thunderstorm Warning | LOT | 64 min |
| Apr 4, 12:30 AM CDT | Special Weather Statement | LOT | 60 min |
| Apr 4, 1:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 7, 5:13 AM CDT | Dense Fog Advisory | LOT | 7 hr |
| Apr 10, 6:05 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 4:12 AM CDT | Wind Advisory | LOT | 16 hr |
| Apr 19, 7:39 PM CDT | Special Weather Statement | LOT | 36 min |
| Apr 20, 11:16 AM CDT | River Flood Advisory | LOT | 24 hr |
| Apr 22, 8:56 PM CDT | Special Weather Statement | LOT | 64 min |
| Apr 22, 9:23 PM CDT | River Flood Advisory | LOT | 10 days |
| Apr 22, 10:30 PM CDT | River Flood Warning | LOT | 14 hr |
| Apr 23, 11:18 AM CDT | River Flood Advisory | LOT | 11 hr |
| Apr 23, 12:24 PM CDT | River Flood Advisory | LOT | 72 hr |
| Apr 26, 11:27 AM CDT | River Flood Warning | LOT | 58 hr |
| May 3, 4:02 PM CDT | Frost Advisory | LOT | 16 hr |
| May 7, 2:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 7, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 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 11, 5:43 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| May 11, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 11, 6:44 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| May 13, 12:35 PM CDT | Tornado Warning | LOT | 40 min |
| May 14, 11:15 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| May 16, 3:11 PM CDT | Frost Advisory | LOT | 16 hr |
| May 19, 5:20 AM CDT | Dense Fog Advisory | LOT | 5 hr |
| May 22, 4:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 1:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 22, 2:04 PM CDT | Tornado Watch | SPC | 9 hr |
| May 22, 2:26 PM CDT | Severe Thunderstorm Warning | LOT | 34 min |
| May 22, 3:00 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| May 22, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 22, 9:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 24, 1:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 25, 5:46 AM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 6:20 AM CDT | Special Weather Statement | LOT | 40 min |
| May 25, 7:09 AM CDT | Special Weather Statement | LOT | 36 min |
| May 25, 7:49 AM CDT | Special Weather Statement | LOT | 41 min |
| May 25, 1:57 PM CDT | Flash Flood Watch | LOT | 9 hr |
| May 25, 2:31 PM CDT | Tornado Watch | SPC | 7 hr |
| May 25, 5:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 25, 7:06 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| May 25, 10:26 PM CDT | River Flood Advisory | LOT | 15 hr |
| May 26, 10:51 AM CDT | River Flood Advisory | LOT | 30 hr |
| May 26, 10:51 AM CDT | River Flood Advisory | LOT | 47 hr |
| May 26, 11:51 AM CDT | River Flood Warning | LOT | 33 hr |
| May 28, 5:05 PM CDT | Areal Flood Advisory | LOT | 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, 11:51 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| May 29, 11:58 AM CDT | Severe Thunderstorm Warning | LOT | 77 min |
| May 29, 11:59 AM CDT | Mesoscale Discussion | SPC | 61 min |
| May 29, 12:32 PM CDT | Tornado Warning | LOT | 43 min |
| May 29, 12:43 PM CDT | Severe Thunderstorm Warning | LOT | 77 min |
| May 29, 4:01 PM CDT | River Flood Advisory | LOT | 39 hr |
| May 29, 9:57 PM CDT | River Flood Warning | LOT | 23 hr |
| May 31, 12:59 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 31, 2:33 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 1:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 4, 2:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 3:34 PM CDT | Severe Thunderstorm Warning | LOT | 56 min |
| Jun 8, 11:08 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 8, 11:45 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 9, 5:33 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 9, 5:46 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jun 9, 7:53 AM CDT | Special Weather Statement | LOT | 37 min |
| Jun 9, 11:26 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 9, 3:24 PM CDT | Flash Flood Watch | LOT | 17 hr |
| Jun 9, 3:54 PM CDT | River Flood Warning | LOT | 43 hr |
| Jun 10, 10:40 AM CDT | River Flood Advisory | LOT | 23 hr |
| Jun 15, 2:53 AM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jun 20, 5:43 AM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Jun 20, 6:29 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 21, 11:45 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 21, 4:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 5:42 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 21, 6:37 PM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| Jun 21, 7:31 PM CDT | Severe Thunderstorm Warning | LOT | 37 min |
| Jun 21, 7:57 PM CDT | Tornado Warning | LOT | 63 min |
| Jun 21, 9:19 PM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 30, 10:59 AM CDT | Heat Advisory | LOT | 34 hr |
| Jul 2, 1:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 2, 2:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 5:07 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 11, 5:37 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 11, 7:10 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 11, 7:50 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Jul 17, 3:40 PM CDT | Heat Advisory | LOT | 60 hr |
| Jul 19, 2:26 AM CDT | Excessive Heat Watch | LOT | 14 hr |
| Jul 19, 2:26 AM CDT | Excessive Heat Warning | LOT | 5 days |
| Jul 21, 4:06 AM CDT | Excessive Heat Watch | LOT | 24 hr |
| Jul 22, 3:50 AM CDT | Excessive Heat Watch | LOT | 24 hr |
| Jul 22, 7:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 23, 3:40 AM CDT | Heat Advisory | LOT | 32 hr |
| Jul 23, 11:43 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 24, 6:44 AM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jul 26, 1:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 27, 12:12 PM CDT | Heat Advisory | LOT | 7 hr |
| Jul 28, 4:04 AM CDT | Heat Advisory | LOT | 17 hr |
| Jul 29, 6:36 AM CDT | Special Weather Statement | LOT | 54 min |
| Aug 2, 3:38 AM CDT | Heat Advisory | LOT | 20 hr |
| Aug 2, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 2, 8:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 2, 9:33 PM CDT | Severe Thunderstorm Warning | LOT | 57 min |
| Aug 2, 10:01 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Aug 2, 11:15 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Aug 8, 1:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 8, 5:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 8, 5:38 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 13, 11:45 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 13, 12:12 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 13, 2:54 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Aug 13, 3:27 PM CDT | Special Weather Statement | LOT | 48 min |
| Aug 17, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Aug 20, 10:13 PM CDT | Special Weather Statement | LOT | 47 min |
| Aug 23, 9:33 AM CDT | Special Weather Statement | LOT | 42 min |
| Sep 3, 12:24 PM CDT | Mesoscale Discussion | SPC | 66 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 19, 11:13 PM CDT | Dense Fog Advisory | LOT | 11 hr |
| Sep 26, 4:46 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Sep 28, 3:37 PM CDT | Wind Advisory | LOT | 45 hr |
| Sep 29, 5:45 PM CDT | Special Weather Statement | LOT | 60 min |
| Oct 1, 3:48 PM CDT | Frost Advisory | LOT | 16 hr |
| Oct 19, 3:56 AM CDT | Wind Advisory | LOT | 24 hr |
| Oct 20, 3:46 AM CDT | Frost Advisory | LOT | 29 hr |
| Oct 21, 2:01 PM CDT | Frost Advisory | LOT | 18 hr |
| Oct 25, 9:22 PM CDT | Special Weather Statement | LOT | 53 min |
| Oct 27, 2:48 PM CDT | Frost Advisory | LOT | 16 hr |
| Oct 28, 3:42 PM CDT | Freeze Warning | LOT | 17 hr |
| Oct 29, 3:19 PM CDT | Frost Advisory | LOT | 17 hr |
| Nov 9, 12:27 PM CST | Wind Advisory | LOT | 4 hr |
| Nov 12, 4:08 PM CST | Wind Advisory | LOT | 26 hr |
| Nov 18, 10:20 AM CST | Wind Advisory | LOT | 7 hr |
| Nov 18, 11:10 AM CST | Red Flag Warning | LOT | 6 hr |
| Dec 20, 9:57 PM CST | Dense Fog Advisory | LOT | 12 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 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.