Alert archive / Illinois / McHenry County
Weather alerts in McHenry County, Illinois, 2013
143 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McHenry County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 143
- Warnings
- 35
- Watches
- 22
- Advisories
- 41
- Busiest month
- June36 alerts
- Busiest day
- April 17, 20138 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 12, 4:31 PM CST | Winter Weather Advisory | LOT | 11 hr |
| Jan 12, 6:17 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 19, 10:58 AM CST | Wind Advisory | LOT | 16 hr |
| Jan 21, 3:57 AM CST | Wind Chill Advisory | LOT | 30 hr |
| Jan 26, 4:21 AM CST | Winter Storm Watch | LOT | 24 hr |
| Jan 26, 3:14 PM CST | Freezing Rain Advisory | LOT | 30 hr |
| Jan 27, 11:48 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 28, 3:28 PM CST | Flood Watch | LOT | 37 hr |
| Jan 28, 3:54 PM CST | Dense Fog Advisory | LOT | 11 hr |
| Jan 28, 9:59 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 29, 3:03 AM CST | Dense Fog Advisory | LOT | 117 min |
| Jan 29, 10:33 PM CST | Areal Flood Advisory | LOT | 10 hr |
| Jan 31, 2:54 AM CST | Wind Chill Advisory | LOT | 31 hr |
| Feb 3, 12:13 PM CST | Winter Weather Advisory | LOT | 27 hr |
| Feb 6, 9:49 AM CST | Winter Storm Watch | LOT | 11 hr |
| Feb 6, 8:46 PM CST | Winter Weather Advisory | LOT | 27 hr |
| Feb 7, 5:57 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 7, 6:00 AM CST | Freezing Rain Advisory | LOT | 4 hr |
| Feb 7, 12:46 PM CST | Winter Storm Warning | LOT | 11 hr |
| Feb 7, 1:40 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 10, 12:47 AM CST | Freezing Rain Advisory | LOT | 7 hr |
| Feb 10, 7:30 PM CST | Wind Advisory | LOT | 23 hr |
| Feb 20, 3:00 PM CST | Winter Weather Advisory | LOT | 46 hr |
| Feb 24, 9:48 PM CST | Winter Storm Watch | LOT | 29 hr |
| Feb 26, 2:30 AM CST | Winter Weather Advisory | LOT | 25 hr |
| Feb 26, 5:12 PM CST | Winter Storm Warning | LOT | 11 hr |
| Mar 3, 3:11 PM CST | Winter Storm Watch | LOT | 20 hr |
| Mar 4, 4:06 AM CST | Winter Storm Warning | LOT | 47 hr |
| Mar 10, 3:28 PM CDT | Dense Fog Advisory | LOT | 16 hr |
| Mar 10, 4:15 PM CDT | Areal Flood Advisory | LOT | 22 hr |
| Mar 14, 10:30 AM CDT | River Flood Advisory | LOT | 5 days |
| Mar 18, 5:17 AM CDT | Winter Weather Advisory | LOT | 6 hr |
| Apr 9, 9:26 AM CDT | Severe Thunderstorm Warning | LOT | 34 min |
| Apr 10, 10:23 AM CDT | River Flood Watch | LOT | 12 hr |
| Apr 10, 10:40 PM CDT | River Flood Warning | LOT | 27 days |
| Apr 16, 4:31 PM CDT | Flood Watch | LOT | 59 hr |
| Apr 17, 9:14 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 17, 11:17 AM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Apr 17, 12:03 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Apr 17, 1:18 PM CDT | Flash Flood Warning | LOT | 5 hr |
| Apr 17, 1:27 PM CDT | Special Weather Statement | LOT | 63 min |
| Apr 17, 1:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 17, 1:44 PM CDT | Severe Thunderstorm Warning | LOT | 61 min |
| Apr 17, 6:12 PM CDT | Areal Flood Warning | LOT | 18 hr |
| Apr 18, 1:28 PM CDT | Areal Flood Warning | LOT | 6 hr |
| Apr 18, 7:36 PM CDT | Areal Flood Warning | LOT | 36 hr |
| Apr 29, 2:30 PM CDT | Special Weather Statement | LOT | 60 min |
| Apr 29, 9:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 4:07 AM CDT | Frost Advisory | LOT | 27 hr |
| May 14, 10:02 PM CDT | Special Weather Statement | LOT | 43 min |
| May 19, 8:10 PM CDT | Tornado Watch | SPC | 6 hr |
| May 19, 8:25 PM CDT | Severe Thunderstorm Warning | LOT | 65 min |
| May 19, 9:22 PM CDT | Severe Thunderstorm Warning | LOT | 68 min |
| May 19, 10:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 20, 7:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 30, 4:09 AM CDT | Flash Flood Watch | LOT | 66 hr |
| May 30, 2:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 30, 3:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 30, 5:48 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 30, 6:42 PM CDT | Severe Thunderstorm Warning | LOT | 78 min |
| May 30, 7:43 PM CDT | Special Weather Statement | LOT | 62 min |
| Jun 12, 3:01 AM CDT | Flash Flood Watch | LOT | 24 hr |
| Jun 12, 10:26 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 12, 1:49 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 12, 4:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 12, 4:45 PM CDT | Severe Thunderstorm Warning | LOT | 60 min |
| Jun 12, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 12, 6:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 21, 8:07 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 21, 8:38 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 21, 10:12 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 2:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 23, 3:54 PM CDT | Special Weather Statement | LOT | 66 min |
| Jun 24, 3:37 AM CDT | Flash Flood Watch | LOT | 60 hr |
| Jun 24, 2:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 3:14 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 4:47 PM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jun 24, 5:24 PM CDT | Severe Thunderstorm Warning | LOT | 81 min |
| Jun 24, 6:00 PM CDT | Mesoscale Discussion | SPC | 75 min |
| Jun 25, 2:24 AM CDT | Special Weather Statement | LOT | 66 min |
| Jun 25, 2:32 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 25, 2:38 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 25, 7:52 AM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 25, 10:41 AM CDT | River Flood Watch | LOT | 22 hr |
| Jun 25, 3:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 3:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 26, 3:52 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 26, 4:33 AM CDT | Areal Flood Advisory | LOT | 6 hr |
| Jun 26, 5:26 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 26, 8:37 AM CDT | River Flood Warning | LOT | 9 days |
| Jun 26, 9:25 AM CDT | Special Weather Statement | LOT | 65 min |
| Jun 26, 10:38 AM CDT | Flash Flood Warning | LOT | 6 hr |
| Jun 26, 4:27 PM CDT | Flash Flood Warning | LOT | 18 hr |
| Jun 27, 12:42 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 4:26 PM CDT | Special Weather Statement | LOT | 19 min |
| Jun 27, 5:21 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 28, 12:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jul 17, 3:29 PM CDT | Heat Advisory | LOT | 52 hr |
| Jul 20, 7:30 PM CDT | Special Weather Statement | LOT | 45 min |
| Jul 20, 7:39 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Jul 22, 9:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 22, 10:40 PM CDT | Severe Thunderstorm Warning | LOT | 50 min |
| Jul 26, 4:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 12:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 2:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 4:16 PM CDT | Severe Thunderstorm Warning | LOT | 59 min |
| Aug 30, 4:43 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Aug 30, 5:14 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Aug 30, 5:24 PM CDT | Severe Thunderstorm Warning | LOT | 66 min |
| Aug 30, 5:33 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Sep 1, 4:27 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Sep 1, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 7, 4:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 19, 4:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 19, 7:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Sep 26, 5:53 AM CDT | Dense Fog Advisory | LOT | 3 hr |
| Oct 3, 7:26 AM CDT | Dense Fog Advisory | LOT | 3 hr |
| Oct 3, 9:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Oct 5, 2:22 AM CDT | Dense Fog Advisory | LOT | 6 hr |
| Oct 13, 3:07 PM CDT | Frost Advisory | LOT | 17 hr |
| Oct 19, 3:28 AM CDT | Frost Advisory | LOT | 24 hr |
| Oct 20, 3:32 AM CDT | Frost Advisory | LOT | 4 hr |
| Oct 21, 3:47 AM CDT | Freeze Watch | LOT | 12 hr |
| Oct 21, 3:21 PM CDT | Freeze Warning | LOT | 17 hr |
| Nov 16, 2:59 PM CST | Wind Advisory | LOT | 29 hr |
| Nov 17, 8:40 AM CST | Tornado Watch | SPC | 7 hr |
| Nov 17, 9:36 AM CST | Tornado Warning | LOT | 39 min |
| Nov 17, 10:16 AM CST | Tornado Warning | LOT | 44 min |
| Nov 17, 10:49 AM CST | Mesoscale Discussion | SPC | 86 min |
| Nov 17, 11:11 AM CST | Severe Thunderstorm Warning | LOT | 34 min |
| Nov 17, 12:32 PM CST | Severe Thunderstorm Warning | LOT | 43 min |
| Nov 17, 12:58 PM CST | Severe Thunderstorm Warning | LOT | 47 min |
| Dec 3, 6:50 AM CST | Dense Fog Advisory | LOT | 6 hr |
| Dec 3, 1:58 PM CST | Dense Fog Advisory | LOT | 27 hr |
| Dec 10, 3:46 AM CST | Winter Weather Advisory | LOT | 30 hr |
| Dec 11, 3:46 AM CST | Wind Chill Advisory | LOT | 25 hr |
| Dec 19, 10:38 AM CST | Freezing Rain Advisory | LOT | 32 hr |
| Dec 19, 3:53 PM CST | Winter Storm Watch | LOT | 34 hr |
| Dec 20, 3:37 PM CST | Winter Storm Warning | LOT | 42 hr |
| Dec 29, 4:00 AM CST | Wind Chill Advisory | LOT | 29 hr |
| Dec 29, 9:38 AM CST | Freezing Rain Advisory | LOT | 8 hr |
| Dec 30, 2:21 PM CST | Winter Weather Advisory | LOT | 52 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 archive20122014
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.