Alert archive / Illinois / Johnson County
Weather alerts in Johnson County, Illinois, 2010
123 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Johnson County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 123
- Warnings
- 22
- Watches
- 24
- Advisories
- 44
- Busiest month
- October19 alerts
- Busiest day
- April 24, 20107 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 5, 3:01 AM CST | Winter Storm Watch | PAH | 25 hr |
| Jan 6, 4:30 AM CST | Winter Storm Warning | PAH | 30 hr |
| Jan 6, 4:30 AM CST | Winter Weather Advisory | PAH | 33 hr |
| Jan 7, 3:39 PM CST | Wind Chill Advisory | PAH | 18 hr |
| Jan 26, 2:25 PM CST | Winter Storm Watch | PAH | 37 hr |
| Jan 28, 3:00 AM CST | Winter Storm Warning | PAH | 51 hr |
| Feb 5, 5:00 AM CST | Winter Weather Advisory | PAH | 22 hr |
| Feb 6, 3:33 PM CST | Winter Storm Watch | PAH | 39 hr |
| Feb 8, 4:57 AM CST | Winter Weather Advisory | PAH | 28 hr |
| Feb 8, 12:00 PM CST | Winter Storm Warning | PAH | 21 hr |
| Feb 13, 4:25 AM CST | Winter Weather Advisory | PAH | 17 hr |
| Feb 14, 4:45 AM CST | Winter Weather Advisory | PAH | 29 hr |
| Mar 10, 7:48 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 11, 1:21 AM CST | Mesoscale Discussion | SPC | 54 min |
| Mar 22, 10:37 PM CDT | Dense Fog Advisory | PAH | 10 hr |
| Apr 5, 12:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 6, 11:42 AM CDT | Wind Advisory | PAH | 6 hr |
| Apr 7, 1:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 7, 3:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 5:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 8, 3:23 AM CDT | Frost Advisory | PAH | 30 hr |
| Apr 17, 3:45 AM CDT | Frost Advisory | PAH | 28 hr |
| Apr 23, 6:31 PM CDT | Mesoscale Discussion | SPC | 29 min |
| Apr 24, 7:35 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 24, 10:02 AM CDT | Severe Thunderstorm Warning | PAH | 43 min |
| Apr 24, 11:31 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 24, 1:33 PM CDT | Severe Thunderstorm Warning | PAH | 42 min |
| Apr 24, 1:46 PM CDT | Severe Thunderstorm Warning | PAH | 44 min |
| Apr 24, 2:14 PM CDT | Areal Flood Advisory | PAH | 94 min |
| Apr 24, 5:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 28, 3:12 PM CDT | Lake Wind Advisory | PAH | 28 hr |
| Apr 29, 2:00 PM CDT | Lake Wind Advisory | PAH | 28 hr |
| Apr 29, 3:42 PM CDT | Flash Flood Watch | PAH | 3 days |
| Apr 30, 8:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 30, 9:03 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 1, 8:30 PM CDT | Severe Thunderstorm Warning | PAH | 30 min |
| May 1, 9:45 PM CDT | Mesoscale Discussion | SPC | 30 min |
| May 1, 10:14 PM CDT | Tornado Watch | SPC | 7 hr |
| May 2, 2:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 3:43 AM CDT | Dense Fog Advisory | PAH | 4 hr |
| May 5, 1:23 PM CDT | Lake Wind Advisory | PAH | 5 hr |
| May 6, 3:32 PM CDT | Lake Wind Advisory | PAH | 28 hr |
| May 7, 3:17 PM CDT | Lake Wind Advisory | PAH | 27 hr |
| May 7, 5:07 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 10, 12:39 PM CDT | Lake Wind Advisory | PAH | 29 hr |
| May 13, 4:09 AM CDT | Lake Wind Advisory | PAH | 14 hr |
| May 13, 5:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 24, 11:51 AM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 2, 12:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 2, 1:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 14, 1:45 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 15, 11:55 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 15, 12:29 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 15, 3:05 PM CDT | Severe Thunderstorm Warning | PAH | 25 min |
| Jun 15, 3:30 PM CDT | Severe Thunderstorm Warning | PAH | 30 min |
| Jun 17, 9:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 18, 12:13 PM CDT | Heat Advisory | PAH | 7 hr |
| Jun 18, 3:05 PM CDT | Heat Advisory | PAH | 23 hr |
| Jun 19, 2:33 AM CDT | Mesoscale Discussion | SPC | 57 min |
| Jun 19, 1:49 PM CDT | Heat Advisory | PAH | 4 days |
| Jun 19, 5:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 11, 3:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 11, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 3:32 PM CDT | Heat Advisory | PAH | 52 hr |
| Jul 15, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 17, 3:59 AM CDT | Heat Advisory | PAH | 16 hr |
| Jul 17, 3:27 PM CDT | Heat Advisory | PAH | 16 hr |
| Jul 18, 9:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 19, 2:36 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 22, 3:17 AM CDT | Heat Advisory | PAH | 16 hr |
| Jul 22, 12:24 PM CDT | Heat Advisory | PAH | 55 hr |
| Aug 1, 2:36 PM CDT | Excessive Heat Watch | PAH | 25 hr |
| Aug 2, 3:08 PM CDT | Excessive Heat Warning | PAH | 61 hr |
| Aug 5, 6:20 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 6, 3:26 PM CDT | Excessive Heat Watch | PAH | 12 hr |
| Aug 7, 3:35 AM CDT | Heat Advisory | PAH | 24 hr |
| Aug 7, 3:35 AM CDT | Heat Advisory | PAH | 60 hr |
| Aug 9, 3:19 PM CDT | Excessive Heat Warning | PAH | 5 days |
| Aug 12, 12:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 14, 3:28 PM CDT | Heat Advisory | PAH | 28 hr |
| Sep 3, 3:06 AM CDT | Lake Wind Advisory | PAH | 16 hr |
| Sep 5, 4:21 AM CDT | Fire Weather Watch | PAH | 24 hr |
| Sep 6, 3:54 AM CDT | Red Flag Warning | PAH | 15 hr |
| Sep 6, 4:05 AM CDT | Lake Wind Advisory | PAH | 15 hr |
| Sep 22, 3:13 PM CDT | Lake Wind Advisory | PAH | 27 hr |
| Oct 4, 4:24 AM CDT | Frost Advisory | PAH | 28 hr |
| Oct 21, 2:25 PM CDT | Frost Advisory | PAH | 18 hr |
| Oct 22, 4:32 AM CDT | Fire Weather Watch | PAH | 24 hr |
| Oct 22, 3:04 PM CDT | Fire Weather Watch | PAH | 14 hr |
| Oct 22, 3:04 PM CDT | Red Flag Warning | PAH | 27 hr |
| Oct 24, 3:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 25, 12:56 PM CDT | Wind Advisory | PAH | 22 hr |
| Oct 26, 3:38 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 26, 4:05 AM CDT | Tornado Watch | SPC | 8 hr |
| Oct 26, 5:39 AM CDT | Severe Thunderstorm Warning | PAH | 36 min |
| Oct 26, 6:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 26, 6:22 AM CDT | Severe Thunderstorm Warning | PAH | 23 min |
| Oct 26, 6:45 AM CDT | Tornado Warning | PAH | 17 min |
| Oct 26, 6:47 AM CDT | Severe Thunderstorm Warning | PAH | 28 min |
| Oct 26, 7:21 PM CDT | Fire Weather Watch | PAH | 9 hr |
| Oct 27, 4:29 AM CDT | Red Flag Warning | PAH | 13 hr |
| Oct 28, 2:46 AM CDT | Freeze Warning | PAH | 29 hr |
| Oct 29, 3:20 AM CDT | Fire Weather Watch | PAH | 10 hr |
| Oct 29, 1:48 PM CDT | Red Flag Warning | PAH | 28 hr |
| Nov 7, 3:33 PM CST | Red Flag Warning | PAH | 26 hr |
| Nov 17, 6:16 AM CST | Dense Fog Advisory | PAH | 4 hr |
| Nov 20, 2:02 AM CST | Dense Fog Advisory | PAH | 7 hr |
| Nov 22, 8:18 PM CST | Mesoscale Discussion | SPC | 27 min |
| Nov 22, 8:27 PM CST | Tornado Watch | SPC | 6 hr |
| Nov 22, 11:44 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 24, 2:12 PM CST | Flood Watch | PAH | 30 hr |
| Nov 25, 10:48 AM CST | Areal Flood Warning | PAH | 6 hr |
| Dec 11, 3:24 PM CST | Winter Weather Advisory | PAH | 21 hr |
| Dec 11, 9:09 PM CST | Wind Advisory | PAH | 18 hr |
| Dec 12, 12:00 PM CST | Winter Weather Advisory | PAH | 10 hr |
| Dec 12, 3:38 PM CST | Wind Advisory | PAH | 3 hr |
| Dec 14, 3:54 PM CST | Winter Weather Advisory | PAH | 44 hr |
| Dec 15, 6:18 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 23, 3:46 PM CST | Winter Weather Advisory | PAH | 36 hr |
| Dec 31, 11:04 AM CST | Mesoscale Discussion | SPC | 56 min |
| Dec 31, 11:42 AM CST | Tornado Watch | SPC | 7 hr |
| Dec 31, 2:12 PM CST | Mesoscale Discussion | SPC | 93 min |
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 | 9 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 33 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 9 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 10 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.