Alert archive / Indiana / Johnson County
Weather alerts in Johnson County, Indiana, 2021
90 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
- 90
- Warnings
- 38
- Watches
- 8
- Advisories
- 24
- Busiest month
- June22 alerts
- Busiest day
- June 19, 202113 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 24, 4:03 PM EST | Winter Weather Advisory | IND | 35 hr |
| Jan 30, 2:51 AM EST | Winter Weather Advisory | IND | 24 hr |
| Feb 4, 8:34 PM EST | Wind Advisory | IND | 7 hr |
| Feb 8, 3:31 AM EST | Winter Weather Advisory | IND | 27 hr |
| Feb 12, 3:10 PM EST | Winter Storm Watch | IND | 37 hr |
| Feb 14, 4:02 AM EST | Winter Storm Warning | IND | 48 hr |
| Feb 15, 11:44 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 28, 9:15 AM EST | Areal Flood Advisory | IND | 5 hr |
| Feb 28, 11:19 AM EST | River Flood Warning | IND | 44 hr |
| Feb 28, 4:21 PM EST | River Flood Warning | IND | 31 hr |
| Mar 1, 7:13 AM EST | River Flood Warning | IND | 14 hr |
| Mar 1, 11:27 PM EST | River Flood Warning | IND | 7 min |
| Mar 10, 3:30 AM EST | Wind Advisory | IND | 17 hr |
| Mar 17, 3:45 PM EDT | Wind Advisory | IND | 31 hr |
| Mar 18, 4:57 PM EDT | River Flood Warning | IND | 38 hr |
| Mar 19, 5:08 AM EDT | River Flood Warning | IND | 30 hr |
| Mar 19, 5:08 AM EDT | River Flood Warning | IND | 41 hr |
| Mar 24, 3:51 AM EDT | High Wind Watch | IND | 24 hr |
| Mar 25, 3:46 AM EDT | High Wind Warning | IND | 26 hr |
| Apr 10, 3:53 PM EDT | Areal Flood Advisory | IND | 112 min |
| Apr 19, 3:09 AM EDT | Freeze Watch | IND | 13 hr |
| Apr 19, 3:58 PM EDT | Freeze Warning | IND | 42 hr |
| Apr 20, 2:56 AM EDT | Freeze Watch | IND | 24 hr |
| Apr 21, 2:46 AM EDT | Freeze Warning | IND | 30 hr |
| Apr 24, 12:38 PM EDT | Flash Flood Warning | IND | 2 min |
| Apr 25, 1:08 AM EDT | Dense Fog Advisory | IND | 7 hr |
| May 7, 2:20 PM EDT | Frost Advisory | IND | 20 hr |
| May 9, 3:45 PM EDT | Frost Advisory | IND | 16 hr |
| May 11, 3:05 PM EDT | Frost Advisory | IND | 18 hr |
| Jun 2, 12:15 PM EDT | Areal Flood Warning | IND | 3 hr |
| Jun 12, 10:43 PM EDT | Severe Thunderstorm Warning | IND | 32 min |
| Jun 12, 11:23 PM EDT | Special Weather Statement | IND | 37 min |
| Jun 18, 2:48 PM EDT | Flash Flood Watch | IND | 19 hr |
| Jun 18, 3:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 18, 6:23 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 18, 9:23 PM EDT | Severe Thunderstorm Warning | IND | 23 min |
| Jun 18, 9:45 PM EDT | Severe Thunderstorm Warning | IND | 20 min |
| Jun 19, 1:02 AM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 19, 2:16 AM EDT | Areal Flood Advisory | IND | 3 hr |
| Jun 19, 3:10 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 5:15 AM EDT | Flash Flood Warning | IND | 4 hr |
| Jun 19, 5:50 AM EDT | Flash Flood Warning | IND | 6 hr |
| Jun 19, 7:17 AM EDT | Flash Flood Warning | IND | 3 hr |
| Jun 19, 10:29 AM EDT | Areal Flood Warning | IND | 6 hr |
| Jun 19, 11:01 AM EDT | River Flood Warning | IND | 3 days |
| Jun 19, 11:52 AM EDT | Areal Flood Warning | IND | 25 hr |
| Jun 19, 4:36 PM EDT | Areal Flood Warning | IND | 20 hr |
| Jun 19, 6:41 PM EDT | River Flood Warning | IND | 24 hr |
| Jun 20, 6:26 PM EDT | River Flood Warning | IND | 21 days |
| Jun 27, 4:01 PM EDT | Special Weather Statement | IND | 29 min |
| Jun 28, 5:00 PM EDT | Special Weather Statement | IND | 30 min |
| Jun 30, 9:46 PM EDT | Flash Flood Watch | IND | 15 hr |
| Jul 1, 8:00 AM EDT | Areal Flood Advisory | IND | 6 hr |
| Jul 8, 1:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 8, 2:58 PM EDT | Special Weather Statement | IND | 47 min |
| Jul 12, 2:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 15, 6:18 PM EDT | Severe Thunderstorm Warning | IND | 27 min |
| Jul 16, 8:54 AM EDT | River Flood Warning | IND | 21 days |
| Jul 16, 11:19 AM EDT | River Flood Warning | IND | 4 days |
| Jul 17, 8:56 AM EDT | River Flood Warning | IND | 23 hr |
| Jul 18, 11:10 AM EDT | River Flood Warning | IND | 11 hr |
| Jul 29, 3:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 10, 3:52 PM EDT | Heat Advisory | IND | 28 hr |
| Aug 12, 3:29 AM EDT | Heat Advisory | IND | 16 hr |
| Aug 19, 4:07 PM EDT | Special Weather Statement | IND | 23 min |
| Aug 24, 5:35 AM EDT | Heat Advisory | IND | 14 hr |
| Aug 24, 3:10 PM EDT | Heat Advisory | IND | 29 hr |
| Aug 25, 11:49 AM EDT | Special Weather Statement | IND | 26 min |
| Aug 25, 12:05 PM EDT | Severe Thunderstorm Warning | IND | 25 min |
| Aug 25, 12:24 PM EDT | Severe Thunderstorm Warning | IND | 36 min |
| Aug 25, 12:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 3:09 AM EDT | Heat Advisory | IND | 17 hr |
| Sep 14, 7:07 PM EDT | Special Weather Statement | IND | 23 min |
| Sep 14, 11:53 PM EDT | Areal Flood Advisory | IND | 3 hr |
| Sep 22, 2:39 PM EDT | River Flood Warning | IND | 41 hr |
| Sep 23, 9:26 PM EDT | River Flood Warning | IND | 11 hr |
| Oct 26, 3:46 PM EDT | Frost Advisory | IND | 18 hr |
| Nov 10, 3:46 AM EST | Dense Fog Advisory | IND | 5 hr |
| Dec 10, 2:02 PM EST | Wind Advisory | IND | 27 hr |
| Dec 10, 8:18 PM EST | Mesoscale Discussion | SPC | 87 min |
| Dec 10, 8:47 PM EST | Tornado Watch | SPC | 8 hr |
| Dec 10, 9:38 PM EST | Severe Thunderstorm Warning | IND | 25 min |
| Dec 10, 11:14 PM EST | Special Weather Statement | IND | 31 min |
| Dec 10, 11:25 PM EST | Mesoscale Discussion | SPC | 95 min |
| Dec 11, 2:40 AM EST | Special Weather Statement | IND | 50 min |
| Dec 11, 2:46 AM EST | Mesoscale Discussion | SPC | 59 min |
| Dec 11, 2:56 AM EST | Severe Thunderstorm Warning | IND | 34 min |
| Dec 18, 3:53 PM EST | River Flood Warning | IND | 15 hr |
| Dec 28, 10:20 PM EST | Dense Fog Advisory | IND | 5 hr |
| Dec 29, 6:16 AM EST | River Flood Warning | IND | 14 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 | 8 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 9 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 4 |
| River Flood Warning | 18 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Frost Advisory | 4 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| 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 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.