Alert archive / Georgia / Chatham County
Weather alerts in Chatham County, Georgia, 2024
110 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chatham County and its neighbors
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Alerts
- 110
- Warnings
- 34
- Watches
- 11
- Advisories
- 18
- Busiest month
- August22 alerts
- Busiest day
- August 5, 202410 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 10 tornado warnings covering Chatham County in 2024 had a tornado report inside them.
Chatham County, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 10 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 12 | 9 | 25% | 26 | 46% | 28 min |
| Flash flood warnings | 4 | 2 | 50% | 4 | 75% | 562 min |
Each office's whole area, 2024
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 60 | 12 | 80% | 45 | 82% | 13 min |
| NWS Charleston, SC: severe thunderstorm warnings | 78 | 48 | 38% | 263 | 64% | 25 min |
| NWS Charleston, SC: flash flood warnings | 19 | 11 | 42% | 65 | 74% | 406 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 9, 10:45 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 9, 11:41 AM EST | Tornado Watch | SPC | 6 hr |
| Jan 9, 2:42 PM EST | Severe Thunderstorm Warning | CHS | 63 min |
| Jan 9, 3:33 PM EST | Severe Thunderstorm Warning | CHS | 57 min |
| Feb 14, 9:16 AM EST | River Flood Warning | CHS | 21 days |
| Feb 23, 12:25 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Mar 9, 6:42 AM EST | Tornado Watch | SPC | 9 hr |
| Mar 9, 9:15 PM EST | River Flood Warning | CHS | 21 days |
| Mar 27, 4:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 3, 5:51 AM EDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 8:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 11, 6:17 AM EDT | Areal Flood Advisory | CHS | 3 hr |
| Apr 11, 6:47 AM EDT | Areal Flood Advisory | CHS | 5 hr |
| Apr 11, 9:22 AM EDT | Areal Flood Advisory | CHS | 2 hr |
| Apr 21, 3:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 10:39 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 9, 12:12 PM EDT | Tornado Watch | SPC | 5 hr |
| May 9, 1:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| May 9, 2:48 PM EDT | Severe Thunderstorm Warning | CHS | 57 min |
| May 9, 3:03 PM EDT | Severe Thunderstorm Warning | CHS | 57 min |
| May 9, 3:37 PM EDT | Severe Thunderstorm Warning | CHS | 38 min |
| May 14, 7:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| May 18, 10:09 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 18, 12:10 PM EDT | Special Weather Statement | CHS | 50 min |
| May 19, 2:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| May 19, 3:18 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| May 19, 3:31 PM EDT | Severe Thunderstorm Warning | CHS | 40 min |
| May 24, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 24, 5:03 PM EDT | Special Weather Statement | CHS | 27 min |
| May 24, 5:10 PM EDT | Severe Thunderstorm Warning | CHS | 65 min |
| May 24, 5:38 PM EDT | Areal Flood Advisory | CHS | 44 min |
| May 27, 1:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| May 27, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 4:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 5, 4:11 PM EDT | Special Weather Statement | CHS | 49 min |
| Jun 10, 1:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jun 10, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 4:21 PM EDT | Severe Thunderstorm Warning | CHS | 54 min |
| Jun 10, 4:45 PM EDT | Special Weather Statement | CHS | 30 min |
| Jun 10, 5:45 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Jun 10, 6:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 27, 4:45 PM EDT | Special Weather Statement | CHS | 45 min |
| Jun 29, 5:48 PM EDT | Areal Flood Advisory | CHS | 31 min |
| Jul 1, 3:34 PM EDT | Areal Flood Advisory | CHS | 63 min |
| Jul 2, 6:05 AM EDT | Areal Flood Advisory | CHS | 3 hr |
| Jul 8, 3:09 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 8, 3:31 PM EDT | Special Weather Statement | CHS | 29 min |
| Jul 13, 3:37 PM EDT | Special Weather Statement | CHS | 23 min |
| Jul 15, 3:40 PM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| Jul 17, 5:08 PM EDT | Severe Thunderstorm Warning | CHS | 67 min |
| Jul 19, 6:27 PM EDT | Special Weather Statement | CHS | 33 min |
| Jul 20, 2:05 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 20, 8:18 PM EDT | Areal Flood Advisory | CHS | 117 min |
| Jul 22, 4:45 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 22, 6:02 PM EDT | Flash Flood Warning | CHS | 118 min |
| Jul 25, 6:04 PM EDT | Areal Flood Advisory | CHS | 45 min |
| Jul 26, 5:59 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Jul 26, 6:24 PM EDT | Special Weather Statement | CHS | 36 min |
| Jul 26, 6:38 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Jul 26, 6:58 PM EDT | Tornado Warning | CHS | 32 min |
| Jul 26, 7:26 PM EDT | Tornado Warning | CHS | 14 min |
| Jul 31, 4:34 PM EDT | Special Weather Statement | CHS | 41 min |
| Aug 2, 2:27 PM EDT | Special Weather Statement | CHS | 48 min |
| Aug 2, 2:37 PM EDT | Areal Flood Advisory | CHS | 52 min |
| Aug 5, 5:57 AM EDT | Tornado Watch | SPC | 12 hr |
| Aug 5, 7:13 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 11:01 AM EDT | River Flood Warning | CHS | 21 days |
| Aug 5, 12:08 PM EDT | Mesoscale Discussion | SPC | 52 min |
| Aug 5, 2:45 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 5, 2:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 5, 3:40 PM EDT | Tornado Watch | SPC | 9 hr |
| Aug 5, 4:11 PM EDT | Tornado Warning | CHS | 34 min |
| Aug 5, 5:32 PM EDT | Flash Flood Warning | CHS | 8 hr |
| Aug 5, 6:02 PM EDT | Tornado Warning | CHS | 28 min |
| Aug 5, 8:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 1:25 AM EDT | Flash Flood Warning | CHS | 21 hr |
| Aug 6, 10:11 PM EDT | Areal Flood Warning | CHS | 12 hr |
| Aug 7, 9:45 AM EDT | Areal Flood Warning | CHS | 23 hr |
| Aug 9, 1:20 PM EDT | Areal Flood Warning | CHS | 7 days |
| Aug 16, 1:25 PM EDT | Areal Flood Advisory | CHS | 24 hr |
| Aug 18, 10:02 PM EDT | Special Weather Statement | CHS | 43 min |
| Aug 18, 10:43 PM EDT | Special Weather Statement | CHS | 32 min |
| Aug 20, 8:42 PM EDT | Special Weather Statement | CHS | 48 min |
| Aug 20, 9:36 PM EDT | Special Weather Statement | CHS | 39 min |
| Sep 26, 7:36 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 26, 8:32 AM EDT | Tornado Watch | SPC | 12 hr |
| Sep 26, 12:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 4:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 6:39 PM EDT | Mesoscale Discussion | SPC | 5 hr |
| Sep 26, 8:42 PM EDT | Tornado Warning | CHS | 33 min |
| Sep 26, 8:54 PM EDT | Tornado Warning | CHS | 51 min |
| Sep 26, 8:56 PM EDT | Tornado Watch | SPC | 11 hr |
| Sep 26, 9:10 PM EDT | Tornado Warning | CHS | 35 min |
| Sep 26, 9:50 PM EDT | Tornado Warning | CHS | 25 min |
| Sep 26, 10:07 PM EDT | Tornado Warning | CHS | 23 min |
| Sep 26, 10:33 PM EDT | Tornado Warning | CHS | 27 min |
| Sep 27, 12:46 AM EDT | Mesoscale Discussion | SPC | 119 min |
| Sep 27, 5:17 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Oct 5, 3:44 PM EDT | River Flood Warning | CHS | 21 days |
| Nov 7, 11:04 AM EST | Areal Flood Advisory | CHS | 116 min |
| Nov 7, 12:39 PM EST | Flash Flood Warning | CHS | 3 hr |
| Nov 7, 3:16 PM EST | Areal Flood Advisory | CHS | 119 min |
| Nov 9, 9:16 AM EST | River Flood Warning | CHS | 21 days |
| Nov 28, 3:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 28, 4:48 PM EST | Special Weather Statement | CHS | 12 min |
| Dec 11, 12:00 PM EST | Special Weather Statement | CHS | 60 min |
| Dec 11, 12:50 PM EST | Special Weather Statement | CHS | 55 min |
| Dec 29, 6:02 AM EST | Tornado Watch | SPC | 7 hr |
| Dec 29, 8:32 AM EST | Mesoscale Discussion | SPC | 88 min |
| Dec 29, 9:45 AM EST | Special Weather Statement | CHS | 45 min |
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 archive20232025
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.