Alert archive / Georgia / Chattooga County
Weather alerts in Chattooga County, Georgia, 2021
112 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chattooga County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 112
- Warnings
- 26
- Watches
- 23
- Advisories
- 20
- Busiest month
- March27 alerts
- Busiest day
- March 25, 20218 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Chattooga County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 3 | 70% | 5 | 100% | 31 min |
| Flash flood warnings | 5 | 4 | 20% | 33 | 85% | 412 min |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 48 | 14 | 71% | 41 | 54% | 10 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 183 | 100 | 45% | 442 | 59% | 16 min |
| NWS Atlanta, GA: flash flood warnings | 56 | 38 | 32% | 244 | 70% | 167 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 13, 2:03 AM EST | Freezing Fog Advisory | FFC | 7 hr |
| Jan 25, 10:36 PM EST | Special Weather Statement | FFC | 24 min |
| Feb 1, 4:33 AM EST | Wind Advisory | FFC | 38 hr |
| Feb 12, 4:38 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Feb 17, 2:20 PM EST | Flash Flood Watch | FFC | 29 hr |
| Mar 16, 10:04 AM EDT | River Flood Warning | FFC | 68 hr |
| Mar 17, 2:22 AM EDT | Dense Fog Advisory | FFC | 9 hr |
| Mar 17, 5:51 PM EDT | Flash Flood Watch | FFC | 14 hr |
| Mar 18, 12:12 AM EDT | Severe Thunderstorm Warning | FFC | 48 min |
| Mar 18, 12:23 AM EDT | Flash Flood Warning | FFC | 7 hr |
| Mar 18, 4:09 AM EDT | Wind Advisory | FFC | 16 hr |
| Mar 24, 2:38 PM EDT | Flash Flood Watch | FFC | 37 hr |
| Mar 25, 10:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Mar 25, 10:37 AM EDT | Severe Thunderstorm Warning | FFC | 53 min |
| Mar 25, 11:46 AM EDT | Flash Flood Warning | FFC | 10 hr |
| Mar 25, 12:26 PM EDT | Tornado Watch | SPC | 9 hr |
| Mar 25, 2:03 PM EDT | Special Weather Statement | FFC | 42 min |
| Mar 25, 3:28 PM EDT | Flash Flood Warning | FFC | 13 hr |
| Mar 25, 4:49 PM EDT | River Flood Warning | FFC | 35 hr |
| Mar 25, 7:46 PM EDT | Tornado Watch | SPC | 8 hr |
| Mar 25, 10:36 PM EDT | Severe Thunderstorm Warning | FFC | 24 min |
| Mar 28, 2:57 AM EDT | Mesoscale Discussion | SPC | 93 min |
| Mar 28, 5:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Mar 28, 6:10 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 28, 7:50 AM EDT | Severe Thunderstorm Warning | FFC | 25 min |
| Mar 28, 8:12 AM EDT | Special Weather Statement | FFC | 33 min |
| Mar 30, 3:07 PM EDT | Flash Flood Watch | FFC | 23 hr |
| Mar 31, 7:04 AM EDT | Special Weather Statement | FFC | 41 min |
| Mar 31, 8:16 AM EDT | Flash Flood Warning | FFC | 6 hr |
| Mar 31, 9:15 AM EDT | River Flood Warning | FFC | 27 hr |
| Mar 31, 4:22 PM EDT | Freeze Watch | FFC | 11 hr |
| Mar 31, 4:22 PM EDT | Wind Advisory | FFC | 27 hr |
| Apr 1, 2:52 AM EDT | Freeze Warning | FFC | 31 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 9, 3:44 PM EDT | Special Weather Statement | FFC | 31 min |
| Apr 9, 3:57 PM EDT | Severe Thunderstorm Warning | FFC | 33 min |
| Apr 20, 2:39 PM EDT | Fire Weather Watch | FFC | 15 hr |
| Apr 20, 2:41 PM EDT | Wind Advisory | FFC | 31 hr |
| Apr 21, 3:57 AM EDT | Freeze Warning | FFC | 29 hr |
| Apr 24, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 24, 5:52 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 24, 6:49 PM EDT | Severe Thunderstorm Warning | FFC | 26 min |
| Apr 24, 7:03 PM EDT | Special Weather Statement | HUN | 12 min |
| Apr 24, 7:06 PM EDT | Special Weather Statement | FFC | 24 min |
| Apr 24, 7:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 3, 5:40 PM EDT | Flash Flood Watch | FFC | 32 hr |
| May 4, 10:03 AM EDT | Mesoscale Discussion | SPC | 117 min |
| May 4, 10:48 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 11:05 AM EDT | Severe Thunderstorm Warning | FFC | 25 min |
| May 4, 11:48 AM EDT | Special Weather Statement | FFC | 42 min |
| May 4, 12:18 PM EDT | Special Weather Statement | FFC | 57 min |
| May 4, 10:14 PM EDT | River Flood Warning | FFC | 8 hr |
| May 6, 8:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jun 4, 7:23 AM EDT | Dense Fog Advisory | FFC | 3 hr |
| Jun 19, 10:22 PM EDT | Special Weather Statement | FFC | 38 min |
| Jun 19, 11:15 PM EDT | Flash Flood Warning | FFC | 10 hr |
| Jun 21, 4:14 AM EDT | Flash Flood Watch | FFC | 30 hr |
| Jun 21, 4:34 PM EDT | Special Weather Statement | FFC | 26 min |
| Jun 21, 5:10 PM EDT | Special Weather Statement | FFC | 35 min |
| Jun 30, 11:40 PM EDT | Special Weather Statement | BMX | 35 min |
| Jul 9, 12:39 PM EDT | Special Weather Statement | FFC | 36 min |
| Jul 9, 1:27 PM EDT | Special Weather Statement | FFC | 33 min |
| Jul 9, 1:59 PM EDT | Special Weather Statement | FFC | 31 min |
| Jul 11, 7:46 PM EDT | Special Weather Statement | FFC | 44 min |
| Jul 20, 3:21 AM EDT | Flash Flood Watch | FFC | 19 hr |
| Jul 29, 5:32 AM EDT | Heat Advisory | FFC | 14 hr |
| Jul 29, 10:36 AM EDT | Heat Advisory | FFC | 33 hr |
| Aug 7, 1:52 PM EDT | Special Weather Statement | FFC | 23 min |
| Aug 8, 7:01 AM EDT | Dense Fog Advisory | FFC | 3 hr |
| Aug 10, 1:34 PM EDT | Special Weather Statement | FFC | 26 min |
| Aug 11, 3:01 PM EDT | Special Weather Statement | FFC | 29 min |
| Aug 11, 6:14 PM EDT | Severe Thunderstorm Warning | FFC | 31 min |
| Aug 11, 7:12 PM EDT | Special Weather Statement | FFC | 33 min |
| Aug 13, 1:08 PM EDT | Special Weather Statement | FFC | 37 min |
| Aug 13, 2:17 PM EDT | Special Weather Statement | FFC | 28 min |
| Aug 16, 12:08 AM EDT | Special Weather Statement | FFC | 22 min |
| Aug 16, 4:32 AM EDT | Flash Flood Watch | FFC | 40 hr |
| Aug 30, 4:19 AM EDT | Flood Watch | FFC | 1 min |
| Aug 30, 4:27 AM EDT | Flash Flood Watch | FFC | 43 hr |
| Aug 30, 2:06 PM EDT | Special Weather Statement | BMX | 24 min |
| Aug 30, 2:29 PM EDT | Special Weather Statement | BMX | 16 min |
| Aug 30, 2:29 PM EDT | Special Weather Statement | FFC | 31 min |
| Aug 30, 2:33 PM EDT | Severe Thunderstorm Warning | FFC | 30 min |
| Sep 7, 7:21 PM EDT | Special Weather Statement | FFC | 39 min |
| Sep 8, 4:25 PM EDT | Special Weather Statement | FFC | 50 min |
| Sep 19, 3:04 AM EDT | Flash Flood Watch | FFC | 47 hr |
| Sep 21, 5:58 AM EDT | River Flood Warning | FFC | 11 hr |
| Oct 4, 11:04 AM EDT | Flash Flood Watch | FFC | 4 days |
| Oct 5, 12:23 PM EDT | River Flood Warning | FFC | 21 hr |
| Oct 6, 2:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 6, 3:53 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 6, 6:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Oct 6, 8:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Oct 13, 8:50 AM EDT | Dense Fog Advisory | FFC | 2 hr |
| Oct 27, 3:54 AM EDT | Wind Advisory | FFC | 38 hr |
| Nov 6, 6:21 AM EDT | Dense Fog Advisory | FFC | 4 hr |
| Nov 6, 2:46 PM EDT | Frost Advisory | FFC | 19 hr |
| Nov 12, 4:30 AM EST | Freeze Watch | FFC | 26 hr |
| Nov 13, 6:02 AM EST | Freeze Warning | FFC | 27 hr |
| Nov 14, 2:36 PM EST | Frost Advisory | FFC | 16 hr |
| Nov 18, 2:44 PM EST | Freeze Warning | FFC | 18 hr |
| Dec 11, 8:34 AM EST | Mesoscale Discussion | SPC | 86 min |
| Dec 26, 5:34 AM EST | Dense Fog Advisory | FFC | 4 hr |
| Dec 26, 9:22 PM EST | Dense Fog Advisory | FFC | 13 hr |
| Dec 29, 3:36 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 29, 4:53 PM EST | Tornado Watch | SPC | 6 hr |
| Dec 29, 8:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 29, 9:38 PM EST | Severe Thunderstorm Warning | FFC | 52 min |
| Dec 29, 9:44 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 31, 3:48 AM EST | Dense Fog Advisory | FFC | 6 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 | 10 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 30 |
| Flooding | |
| Flash Flood Warning | 5 |
| River Flood Warning | 6 |
| Flash Flood Watch | 11 |
| Flood Watch | 1 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 3 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Freezing Fog Advisory | 1 |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.