Alert archive / Georgia / Johnson County
Weather alerts in Johnson County, Georgia, 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
- 14
- Watches
- 11
- Advisories
- 25
- Busiest month
- December15 alerts
- Busiest day
- December 30, 20215 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 1, 1:26 AM EST | Dense Fog Advisory | FFC | 9 hr |
| Jan 1, 4:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 1, 6:07 PM EST | Special Weather Statement | FFC | 23 min |
| Jan 1, 6:34 PM EST | Special Weather Statement | FFC | 41 min |
| Jan 2, 11:17 AM EST | Flash Flood Watch | FFC | 11 hr |
| Jan 2, 10:42 PM EST | River Flood Warning | FFC | 61 hr |
| Jan 23, 12:45 AM EST | Dense Fog Advisory | FFC | 6 hr |
| Jan 26, 1:15 PM EST | Special Weather Statement | FFC | 45 min |
| Feb 1, 4:33 AM EST | Wind Advisory | FFC | 38 hr |
| Feb 9, 10:45 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Feb 10, 10:42 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Feb 12, 4:38 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Feb 15, 5:39 PM EST | Severe Thunderstorm Warning | FFC | 36 min |
| Feb 16, 9:02 PM EST | River Flood Warning | FFC | 56 hr |
| Feb 17, 2:20 PM EST | Flash Flood Watch | FFC | 29 hr |
| Feb 19, 5:10 AM EST | River Flood Warning | FFC | 8 hr |
| Feb 19, 3:18 PM EST | River Flood Warning | FFC | 42 hr |
| Mar 17, 2:22 AM EDT | Dense Fog Advisory | FFC | 9 hr |
| Mar 18, 4:09 AM EDT | Wind Advisory | FFC | 16 hr |
| Mar 18, 7:53 AM EDT | Tornado Watch | SPC | 5 hr |
| Mar 18, 10:58 AM EDT | Special Weather Statement | FFC | 32 min |
| Mar 26, 1:56 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Mar 28, 12:38 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 28, 3:47 PM EDT | Severe Thunderstorm Warning | FFC | 28 min |
| Mar 28, 4:11 PM EDT | Severe Thunderstorm Warning | FFC | 49 min |
| Apr 1, 3:14 PM EDT | Frost Advisory | FFC | 18 hr |
| Apr 1, 3:14 PM EDT | Freeze Watch | FFC | 21 hr |
| Apr 2, 11:49 AM EDT | Freeze Warning | FFC | 22 hr |
| Apr 3, 2:49 PM EDT | Frost Advisory | FFC | 18 hr |
| Apr 20, 2:39 PM EDT | Fire Weather Watch | FFC | 15 hr |
| Apr 20, 2:41 PM EDT | Wind Advisory | FFC | 31 hr |
| May 3, 3:23 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 11:26 PM EDT | Special Weather Statement | FFC | 49 min |
| Jun 7, 4:04 PM EDT | Special Weather Statement | FFC | 26 min |
| Jun 8, 5:28 PM EDT | Special Weather Statement | FFC | 32 min |
| Jun 11, 6:03 PM EDT | Special Weather Statement | FFC | 27 min |
| Jun 11, 6:39 PM EDT | Special Weather Statement | FFC | 36 min |
| Jun 12, 1:14 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 12, 4:12 PM EDT | Special Weather Statement | FFC | 33 min |
| Jun 19, 9:32 PM EDT | Tornado Warning | FFC | 28 min |
| Jun 20, 6:00 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 8:40 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 3:34 PM EDT | Special Weather Statement | FFC | 26 min |
| Jun 29, 7:08 PM EDT | Special Weather Statement | FFC | 37 min |
| Jun 30, 4:17 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 6, 7:30 PM EDT | Special Weather Statement | FFC | 45 min |
| Jul 9, 4:40 PM EDT | Special Weather Statement | FFC | 50 min |
| Jul 9, 5:20 PM EDT | Special Weather Statement | FFC | 40 min |
| Jul 11, 4:29 PM EDT | Special Weather Statement | FFC | 46 min |
| Jul 12, 6:25 PM EDT | Special Weather Statement | FFC | 50 min |
| Jul 12, 8:11 PM EDT | Special Weather Statement | FFC | 49 min |
| Jul 15, 5:34 PM EDT | Special Weather Statement | FFC | 41 min |
| Jul 20, 7:57 PM EDT | Special Weather Statement | FFC | 48 min |
| Jul 27, 4:45 AM EDT | Heat Advisory | FFC | 15 hr |
| Jul 27, 8:18 PM EDT | Special Weather Statement | FFC | 27 min |
| Jul 29, 5:32 AM EDT | Heat Advisory | FFC | 14 hr |
| Jul 29, 10:36 AM EDT | Excessive Heat Watch | FFC | 28 hr |
| Jul 29, 10:36 AM EDT | Heat Advisory | FFC | 33 hr |
| Jul 30, 2:50 PM EDT | Heat Advisory | FFC | 29 hr |
| Aug 1, 3:29 AM EDT | Heat Advisory | FFC | 17 hr |
| Aug 17, 3:45 AM EDT | Tornado Watch | SPC | 9 hr |
| Aug 17, 7:16 AM EDT | Special Weather Statement | FFC | 29 min |
| Aug 17, 7:19 AM EDT | Tornado Warning | FFC | 26 min |
| Aug 24, 6:19 PM EDT | Special Weather Statement | FFC | 26 min |
| Aug 25, 2:34 PM EDT | Special Weather Statement | FFC | 26 min |
| Aug 25, 3:05 PM EDT | Special Weather Statement | FFC | 40 min |
| Aug 31, 1:00 PM EDT | Special Weather Statement | FFC | 30 min |
| Aug 31, 2:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 15, 4:44 PM EDT | Special Weather Statement | FFC | 31 min |
| Oct 4, 11:04 AM EDT | Flash Flood Watch | FFC | 4 days |
| Oct 7, 9:42 PM EDT | River Flood Warning | FFC | 5 days |
| Oct 10, 10:06 AM EDT | River Flood Warning | FFC | 3 days |
| Nov 12, 4:30 AM EST | Freeze Watch | FFC | 26 hr |
| Nov 13, 6:02 AM EST | Frost Advisory | FFC | 27 hr |
| Nov 13, 6:02 AM EST | Freeze Warning | FFC | 27 hr |
| Dec 5, 3:38 AM EST | Dense Fog Advisory | FFC | 6 hr |
| Dec 6, 5:16 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Dec 8, 11:02 PM EST | Dense Fog Advisory | FFC | 11 hr |
| Dec 10, 4:44 PM EST | Dense Fog Advisory | FFC | 17 hr |
| Dec 11, 5:32 PM EST | Mesoscale Discussion | SPC | 88 min |
| Dec 11, 6:07 PM EST | Special Weather Statement | FFC | 23 min |
| Dec 16, 9:33 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Dec 17, 10:06 AM EST | Dense Fog Advisory | FFC | 114 min |
| Dec 17, 9:27 PM EST | Dense Fog Advisory | FFC | 13 hr |
| Dec 26, 9:22 PM EST | Dense Fog Advisory | FFC | 13 hr |
| Dec 30, 11:34 AM EST | Mesoscale Discussion | SPC | 116 min |
| Dec 30, 2:05 PM EST | Severe Thunderstorm Watch | SPC | 7 hr |
| Dec 30, 3:54 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 30, 4:39 PM EST | Special Weather Statement | FFC | 36 min |
| Dec 30, 4:47 PM EST | Severe Thunderstorm Warning | FFC | 43 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 | 4 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 30 |
| Flooding | |
| River Flood Warning | 6 |
| Flash Flood Watch | 3 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 14 |
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.