Alert archive / Georgia / McDuffie County
Weather alerts in McDuffie County, Georgia, 2022
92 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McDuffie County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 92
- Warnings
- 13
- Watches
- 7
- Advisories
- 41
- Busiest month
- July17 alerts
- Busiest day
- July 7, 20227 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
McDuffie County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 6 | 14% | 3 | 33% | 5 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Columbia, SC: tornado warnings | 19 | 7 | 63% | 12 | 100% | 15 min |
| NWS Columbia, SC: severe thunderstorm warnings | 174 | 138 | 21% | 375 | 88% | 18 min |
| NWS Columbia, SC: flash flood warnings | 14 | 11 | 21% | 43 | 81% | 38 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 1, 2:33 PM EST | Lake Wind Advisory | CAE | 36 hr |
| Jan 2, 2:40 PM EST | Wind Advisory | CAE | 22 hr |
| Jan 2, 11:11 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 6, 1:56 PM EST | Lake Wind Advisory | CAE | 17 hr |
| Jan 9, 6:51 PM EST | Special Weather Statement | CAE | 24 min |
| Jan 9, 7:15 PM EST | Special Weather Statement | CAE | 45 min |
| Jan 15, 3:55 AM EST | Winter Weather Advisory | CAE | 34 hr |
| Jan 15, 3:06 PM EST | Lake Wind Advisory | CAE | 52 hr |
| Jan 20, 4:22 AM EST | Winter Weather Advisory | CAE | 48 hr |
| Jan 28, 3:00 AM EST | Lake Wind Advisory | CAE | 40 hr |
| Feb 3, 2:18 PM EST | Lake Wind Advisory | CAE | 20 hr |
| Feb 17, 3:23 AM EST | Lake Wind Advisory | CAE | 28 hr |
| Mar 10, 4:37 PM EST | Freeze Watch | CAE | 32 hr |
| Mar 11, 4:02 AM EST | Lake Wind Advisory | CAE | 17 hr |
| Mar 11, 8:34 PM EST | Wind Advisory | CAE | 22 hr |
| Mar 12, 12:09 AM EST | Freeze Warning | CAE | 34 hr |
| Mar 12, 3:47 AM EST | Mesoscale Discussion | SPC | 118 min |
| Mar 13, 1:15 PM EDT | Freeze Warning | CAE | 20 hr |
| Mar 18, 1:06 PM EDT | Special Weather Statement | CAE | 24 min |
| Mar 18, 1:29 PM EDT | Special Weather Statement | CAE | 46 min |
| Mar 18, 8:54 PM EDT | Lake Wind Advisory | CAE | 22 hr |
| Mar 22, 2:16 PM EDT | Lake Wind Advisory | CAE | 31 hr |
| Mar 23, 10:47 AM EDT | Special Weather Statement | CAE | 43 min |
| Mar 25, 1:25 PM EDT | Fire Weather Watch | CAE | 14 hr |
| Mar 25, 2:12 PM EDT | Lake Wind Advisory | CAE | 33 hr |
| Mar 26, 3:41 AM EDT | Red Flag Warning | CAE | 16 hr |
| Mar 27, 4:11 AM EDT | Lake Wind Advisory | CAE | 16 hr |
| Mar 30, 1:56 PM EDT | Lake Wind Advisory | CAE | 41 hr |
| Apr 5, 3:15 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 5, 4:47 PM EDT | Special Weather Statement | CAE | 43 min |
| Apr 5, 5:10 PM EDT | Severe Thunderstorm Warning | CAE | 50 min |
| Apr 6, 3:49 PM EDT | Special Weather Statement | CAE | 41 min |
| Apr 6, 4:21 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 6, 5:23 PM EDT | Areal Flood Advisory | CAE | 112 min |
| Apr 6, 5:32 PM EDT | Flash Flood Warning | CAE | 118 min |
| Apr 6, 6:22 PM EDT | Severe Thunderstorm Warning | CAE | 38 min |
| Apr 8, 3:47 AM EDT | Lake Wind Advisory | CAE | 15 hr |
| Apr 9, 3:45 AM EDT | Frost Advisory | CAE | 29 hr |
| Apr 26, 1:41 PM EDT | Special Weather Statement | CAE | 19 min |
| Apr 26, 1:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 6, 11:39 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 6, 3:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 6, 3:47 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 6, 4:22 PM EDT | Severe Thunderstorm Warning | CAE | 23 min |
| May 6, 4:45 PM EDT | Special Weather Statement | CAE | 30 min |
| May 6, 5:00 PM EDT | Severe Thunderstorm Warning | CAE | 45 min |
| May 23, 9:45 AM EDT | Special Weather Statement | CAE | 30 min |
| May 23, 2:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 23, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 26, 4:21 PM EDT | Special Weather Statement | CAE | 24 min |
| May 26, 4:43 PM EDT | Special Weather Statement | CAE | 32 min |
| May 26, 4:48 PM EDT | Severe Thunderstorm Warning | CAE | 42 min |
| May 26, 5:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 13, 7:57 PM EDT | Heat Advisory | CAE | 21 hr |
| Jun 14, 11:21 AM EDT | Mesoscale Discussion | SPC | 54 min |
| Jun 15, 3:34 AM EDT | Heat Advisory | CAE | 15 hr |
| Jun 15, 4:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 6:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 4, 2:52 PM EDT | Areal Flood Advisory | CAE | 53 min |
| Jul 7, 3:19 AM EDT | Excessive Heat Warning | CAE | 11 hr |
| Jul 7, 2:36 PM EDT | Heat Advisory | CAE | 4 hr |
| Jul 7, 5:44 PM EDT | Severe Thunderstorm Warning | CAE | 46 min |
| Jul 7, 5:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 6:25 PM EDT | Severe Thunderstorm Warning | CAE | 65 min |
| Jul 7, 6:41 PM EDT | Areal Flood Advisory | CAE | 64 min |
| Jul 7, 6:46 PM EDT | Areal Flood Advisory | CAE | 59 min |
| Jul 8, 4:10 AM EDT | Heat Advisory | CAE | 15 hr |
| Jul 10, 4:48 PM EDT | Areal Flood Advisory | CAE | 117 min |
| Jul 13, 5:07 PM EDT | Special Weather Statement | CAE | 53 min |
| Jul 15, 4:33 PM EDT | Special Weather Statement | CAE | 42 min |
| Jul 19, 7:22 PM EDT | Special Weather Statement | CAE | 38 min |
| Jul 19, 7:48 PM EDT | Special Weather Statement | CAE | 27 min |
| Jul 20, 7:53 AM EDT | Special Weather Statement | CAE | 52 min |
| Jul 20, 9:36 AM EDT | Special Weather Statement | CAE | 39 min |
| Jul 20, 9:51 AM EDT | Areal Flood Advisory | CAE | 54 min |
| Aug 3, 1:43 PM EDT | Special Weather Statement | CAE | 32 min |
| Aug 6, 10:04 PM EDT | Areal Flood Advisory | CAE | 116 min |
| Aug 15, 7:49 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 1, 5:12 PM EDT | Areal Flood Advisory | CAE | 63 min |
| Sep 22, 3:33 AM EDT | Lake Wind Advisory | CAE | 28 hr |
| Sep 28, 5:04 PM EDT | Tropical Storm Watch | CAE | 18 hr |
| Sep 29, 11:06 AM EDT | Tropical Storm Warning | CAE | 36 hr |
| Oct 12, 7:37 PM EDT | Areal Flood Advisory | CAE | 3 hr |
| Oct 18, 2:46 AM EDT | Frost Advisory | CAE | 30 hr |
| Nov 8, 2:37 PM EST | Lake Wind Advisory | CAE | 52 hr |
| Nov 10, 5:18 AM EST | Wind Advisory | CAE | 35 hr |
| Nov 26, 1:56 PM EST | Lake Wind Advisory | CAE | 34 hr |
| Dec 4, 1:18 AM EST | Dense Fog Advisory | CAE | 8 hr |
| Dec 6, 7:01 PM EST | Dense Fog Advisory | CAE | 15 hr |
| Dec 22, 4:54 AM EST | Wind Chill Advisory | CAE | 54 hr |
| Dec 22, 11:42 AM EST | Wind Advisory | CAE | 30 hr |
| Dec 23, 5:57 PM EST | Lake Wind Advisory | CAE | 17 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 | 7 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 19 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 17 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.