Alert archive / Nebraska / Johnson County
Weather alerts in Johnson County, Nebraska, 2021
128 weather alerts in 2021, 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 2021. Tap one for its archive.
- Alerts
- 128
- Warnings
- 34
- Watches
- 23
- Advisories
- 41
- Busiest month
- June21 alerts
- Busiest day
- June 24, 20219 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 2, 8:28 AM CST | Dense Fog Advisory | OAX | 5 hr |
| Jan 2, 3:40 PM CST | Dense Fog Advisory | OAX | 19 hr |
| Jan 3, 2:38 PM CST | Dense Fog Advisory | OAX | 21 hr |
| Jan 13, 3:30 PM CST | High Wind Warning | OAX | 51 hr |
| Jan 13, 3:30 PM CST | Wind Advisory | OAX | 33 hr |
| Jan 14, 1:01 AM CST | Wind Advisory | OAX | 23 hr |
| Jan 14, 3:49 AM CST | High Wind Warning | OAX | 38 hr |
| Jan 14, 3:51 AM CST | Blizzard Warning | OAX | 35 hr |
| Jan 15, 2:10 PM CST | Winter Weather Advisory | OAX | 5 hr |
| Jan 22, 3:11 PM CST | Winter Weather Advisory | OAX | 36 hr |
| Jan 23, 12:55 PM CST | Winter Storm Watch | OAX | 14 hr |
| Jan 23, 11:54 PM CST | Winter Weather Advisory | OAX | 3 hr |
| Jan 24, 3:15 AM CST | Winter Storm Warning | OAX | 49 hr |
| Jan 25, 4:10 AM CST | Winter Weather Advisory | OAX | 29 hr |
| Jan 25, 4:58 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 10:41 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 25, 3:26 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 3, 3:12 AM CST | Winter Weather Advisory | OAX | 33 hr |
| Feb 5, 3:26 AM CST | Winter Weather Advisory | OAX | 36 hr |
| Feb 6, 3:14 PM CST | Winter Weather Advisory | OAX | 37 hr |
| Feb 8, 3:32 PM CST | Wind Chill Advisory | OAX | 18 hr |
| Feb 11, 2:16 PM CST | Wind Chill Advisory | OAX | 22 hr |
| Feb 12, 3:25 AM CST | Wind Chill Advisory | OAX | 33 hr |
| Feb 12, 2:13 PM CST | Wind Chill Watch | OAX | 37 hr |
| Feb 13, 3:28 AM CST | Wind Chill Advisory | OAX | 39 hr |
| Feb 13, 3:28 AM CST | Winter Weather Advisory | OAX | 39 hr |
| Feb 14, 3:13 AM CST | Wind Chill Warning | OAX | 56 hr |
| Feb 20, 3:09 PM CST | Winter Weather Advisory | OAX | 24 hr |
| Mar 6, 2:59 PM CST | Red Flag Warning | OAX | 28 hr |
| Mar 9, 2:33 PM CST | Wind Advisory | OAX | 27 hr |
| Mar 10, 2:59 AM CST | Red Flag Warning | OAX | 15 hr |
| Mar 13, 3:25 PM CST | Wind Advisory | OAX | 27 hr |
| Mar 16, 12:52 AM CDT | Dense Fog Advisory | OAX | 8 hr |
| Mar 21, 3:15 AM CDT | Wind Advisory | OAX | 14 hr |
| Mar 28, 3:17 AM CDT | Fire Weather Watch | OAX | 11 hr |
| Mar 28, 2:06 PM CDT | Red Flag Warning | OAX | 31 hr |
| Mar 28, 2:10 PM CDT | Wind Advisory | OAX | 30 hr |
| Mar 30, 3:38 AM CDT | Red Flag Warning | OAX | 16 hr |
| Apr 1, 3:53 PM CDT | Fire Weather Watch | OAX | 12 hr |
| Apr 2, 3:29 AM CDT | Red Flag Warning | OAX | 17 hr |
| Apr 6, 3:52 AM CDT | Wind Advisory | OAX | 15 hr |
| Apr 13, 2:38 PM CDT | Freeze Warning | OAX | 17 hr |
| Apr 14, 2:25 PM CDT | Freeze Warning | OAX | 18 hr |
| Apr 19, 3:54 AM CDT | Winter Weather Advisory | OAX | 29 hr |
| Apr 19, 3:55 AM CDT | Freeze Watch | OAX | 11 hr |
| Apr 19, 2:29 PM CDT | Freeze Warning | OAX | 19 hr |
| Apr 19, 2:29 PM CDT | Freeze Warning | OAX | 43 hr |
| Apr 21, 3:36 AM CDT | Freeze Warning | OAX | 29 hr |
| May 8, 6:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 8, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 26, 6:24 PM CDT | Flash Flood Watch | OAX | 14 hr |
| Jun 1, 1:15 AM CDT | Dense Fog Advisory | OAX | 9 hr |
| Jun 11, 8:30 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 10:28 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 10:51 AM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jun 11, 11:26 AM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jun 16, 3:06 PM CDT | Heat Advisory | OAX | 29 hr |
| Jun 18, 9:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 19, 11:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 19, 11:59 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 20, 1:05 AM CDT | Special Weather Statement | OAX | 25 min |
| Jun 24, 1:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 24, 2:20 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 2:51 AM CDT | Severe Thunderstorm Warning | OAX | 39 min |
| Jun 24, 2:54 AM CDT | Severe Thunderstorm Warning | OAX | 36 min |
| Jun 24, 3:17 AM CDT | Severe Thunderstorm Warning | OAX | 58 min |
| Jun 24, 2:23 PM CDT | Flash Flood Watch | OAX | 37 hr |
| Jun 24, 2:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 24, 3:44 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 24, 5:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 24, 7:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 9, 9:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 9:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 9, 10:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 9, 11:55 PM CDT | Severe Thunderstorm Warning | OAX | 65 min |
| Jul 10, 12:11 AM CDT | Severe Thunderstorm Warning | OAX | 49 min |
| Jul 10, 12:44 AM CDT | Severe Thunderstorm Warning | OAX | 61 min |
| Jul 10, 1:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 10, 2:18 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 10, 3:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 23, 3:06 AM CDT | Heat Advisory | OAX | 41 hr |
| Jul 26, 3:18 AM CDT | Heat Advisory | OAX | 4 days |
| Jul 29, 2:58 PM CDT | Heat Advisory | OAX | 30 hr |
| Jul 30, 8:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 30, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 7, 6:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 7, 9:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 7, 9:49 PM CDT | Severe Thunderstorm Warning | OAX | 41 min |
| Aug 7, 10:38 PM CDT | Severe Thunderstorm Warning | OAX | 52 min |
| Aug 8, 2:37 PM CDT | Heat Advisory | OAX | 54 hr |
| Aug 10, 3:02 AM CDT | Heat Advisory | OAX | 42 hr |
| Aug 12, 10:57 PM CDT | Special Weather Statement | OAX | 63 min |
| Aug 20, 1:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 20, 3:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 20, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 20, 7:02 PM CDT | Special Weather Statement | OAX | 28 min |
| Aug 20, 7:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 20, 7:13 PM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| Aug 23, 4:14 PM CDT | Heat Advisory | OAX | 28 hr |
| Aug 24, 3:46 PM CDT | Heat Advisory | OAX | 28 hr |
| Aug 25, 4:07 AM CDT | Heat Advisory | OAX | 40 hr |
| Aug 31, 3:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 31, 6:28 AM CDT | Severe Thunderstorm Warning | OAX | 47 min |
| Aug 31, 6:43 AM CDT | Severe Thunderstorm Warning | OAX | 32 min |
| Aug 31, 7:12 AM CDT | Severe Thunderstorm Warning | OAX | 48 min |
| Aug 31, 7:58 AM CDT | Severe Thunderstorm Warning | OAX | 10 min |
| Sep 2, 3:54 PM CDT | Flash Flood Watch | OAX | 12 hr |
| Oct 13, 3:31 AM CDT | Special Weather Statement | OAX | 14 min |
| Oct 15, 3:13 AM CDT | Frost Advisory | OAX | 30 hr |
| Oct 21, 3:12 AM CDT | Frost Advisory | OAX | 31 hr |
| Oct 23, 9:14 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 23, 9:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 23, 11:20 PM CDT | Special Weather Statement | OAX | 25 min |
| Oct 28, 3:20 AM CDT | Wind Advisory | OAX | 16 hr |
| Dec 13, 2:49 AM CST | High Wind Watch | OAX | 24 hr |
| Dec 14, 2:20 AM CST | High Wind Warning | OAX | 44 hr |
| Dec 14, 2:26 AM CST | Fire Weather Watch | OAX | 12 hr |
| Dec 14, 2:21 PM CST | Red Flag Warning | OAX | 28 hr |
| Dec 15, 12:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 15, 1:23 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 15, 2:30 PM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 15, 2:54 PM CST | Severe Thunderstorm Warning | OAX | 81 min |
| Dec 15, 3:35 PM CST | Severe Thunderstorm Warning | OAX | 70 min |
| Dec 15, 3:55 PM CST | Mesoscale Discussion | SPC | 95 min |
| Dec 15, 5:08 PM CST | Blowing Dust Advisory | OAX | 4 hr |
| Dec 24, 4:01 AM CST | Dense Fog Advisory | OAX | 7 hr |
| Dec 31, 3:30 AM CST | Dense Fog Advisory | OAX | 9 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 archive20202022
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.