Alert archive / South Carolina / Georgetown County
Weather alerts in Georgetown County, South Carolina, 2018
184 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Georgetown County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 184
- Warnings
- 40
- Watches
- 18
- Advisories
- 44
- Busiest month
- July33 alerts
- Busiest day
- March 20, 20188 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Georgetown County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 5 | 58% | 3 | 100% | 21 min |
| Flash flood warnings | 4 | 2 | 50% | 1 | 0% |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wilmington, NC: tornado warnings | 37 | 14 | 62% | 22 | 73% | 12 min |
| NWS Wilmington, NC: severe thunderstorm warnings | 56 | 28 | 50% | 74 | 68% | 16 min |
| NWS Wilmington, NC: flash flood warnings | 30 | 19 | 37% | 199 | 90% | 391 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, 1:47 AM EST | Wind Chill Advisory | ILM | 32 hr |
| Jan 2, 3:13 AM EST | Winter Storm Watch | ILM | 12 hr |
| Jan 2, 3:20 PM EST | Winter Storm Warning | ILM | 36 hr |
| Jan 3, 3:52 AM EST | Coastal Flood Advisory | ILM | 6 hr |
| Jan 3, 11:09 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 4, 3:03 AM EST | Wind Chill Advisory | ILM | 31 hr |
| Jan 5, 3:06 PM EST | Wind Chill Advisory | ILM | 18 hr |
| Jan 6, 3:07 PM EST | Wind Chill Advisory | ILM | 19 hr |
| Jan 28, 2:43 PM EST | Dense Fog Advisory | ILM | 7 hr |
| Jan 28, 5:47 PM EST | Flash Flood Watch | ILM | 14 hr |
| Feb 10, 3:31 AM EST | Dense Fog Advisory | ILM | 9 hr |
| Feb 10, 10:50 PM EST | River Flood Warning | CHS | 12 days |
| Feb 19, 9:18 PM EST | Dense Fog Advisory | ILM | 14 hr |
| Feb 21, 4:19 AM EST | Dense Fog Advisory | ILM | 5 hr |
| Mar 1, 2:59 PM EST | Wind Advisory | ILM | 27 hr |
| Mar 1, 5:51 PM EST | Special Weather Statement | ILM | 24 min |
| Mar 3, 4:02 AM EST | Red Flag Warning | ILM | 14 hr |
| Mar 8, 3:10 AM EST | Freeze Warning | ILM | 29 hr |
| Mar 12, 4:24 AM EDT | Freeze Watch | ILM | 11 hr |
| Mar 12, 3:18 PM EDT | Freeze Warning | ILM | 18 hr |
| Mar 14, 3:13 AM EDT | Freeze Warning | ILM | 30 hr |
| Mar 14, 3:06 PM EDT | Fire Weather Watch | ILM | 11 hr |
| Mar 15, 2:27 AM EDT | Red Flag Warning | ILM | 17 hr |
| Mar 20, 12:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Mar 20, 12:43 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 20, 2:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Mar 20, 3:38 PM EDT | Special Weather Statement | ILM | 67 min |
| Mar 20, 3:46 PM EDT | Severe Thunderstorm Warning | ILM | 44 min |
| Mar 20, 4:14 PM EDT | Special Weather Statement | CHS | 31 min |
| Mar 20, 5:52 PM EDT | Special Weather Statement | ILM | 23 min |
| Mar 20, 6:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Mar 22, 3:02 PM EDT | Freeze Warning | ILM | 18 hr |
| Apr 14, 1:33 PM EDT | Beach Hazards Statement | ILM | 30 hr |
| Apr 15, 3:02 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 5:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Apr 15, 6:19 PM EDT | Wind Advisory | ILM | 7 hr |
| Apr 15, 7:52 PM EDT | Severe Thunderstorm Warning | ILM | 53 min |
| Apr 15, 8:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 22, 3:53 PM EDT | Wind Advisory | ILM | 40 hr |
| Apr 22, 4:23 PM EDT | Rip Current Statement | ILM | 52 hr |
| Apr 23, 7:56 PM EDT | Coastal Flood Advisory | ILM | 12 hr |
| Apr 24, 5:15 AM EDT | Rip Current Statement | ILM | 15 hr |
| Apr 25, 8:32 AM EDT | River Flood Warning | CHS | 14 days |
| May 17, 1:07 PM EDT | Special Weather Statement | ILM | 38 min |
| May 24, 8:39 PM EDT | River Flood Warning | CHS | 24 days |
| May 27, 7:47 AM EDT | Flash Flood Watch | ILM | 55 hr |
| May 27, 3:11 PM EDT | Rip Current Statement | ILM | 29 hr |
| May 28, 5:36 AM EDT | Beach Hazards Statement | ILM | 14 hr |
| May 28, 3:57 PM EDT | Rip Current Statement | ILM | 28 hr |
| Jun 2, 7:32 PM EDT | Special Weather Statement | ILM | 28 min |
| Jun 2, 7:33 PM EDT | Special Weather Statement | CHS | 27 min |
| Jun 2, 9:20 PM EDT | Severe Thunderstorm Warning | ILM | 25 min |
| Jun 11, 8:13 PM EDT | Areal Flood Advisory | ILM | 92 min |
| Jun 14, 5:13 PM EDT | Special Weather Statement | CHS | 32 min |
| Jun 14, 5:37 PM EDT | Severe Thunderstorm Warning | ILM | 41 min |
| Jun 14, 5:40 PM EDT | Severe Thunderstorm Warning | ILM | 35 min |
| Jun 14, 6:03 PM EDT | Severe Thunderstorm Warning | ILM | 41 min |
| Jun 15, 2:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 3:12 PM EDT | Special Weather Statement | ILM | 33 min |
| Jun 15, 3:51 PM EDT | Severe Thunderstorm Warning | ILM | 15 min |
| Jun 15, 5:33 PM EDT | Special Weather Statement | CHS | 42 min |
| Jun 15, 6:19 PM EDT | Special Weather Statement | CHS | 26 min |
| Jun 17, 7:42 PM EDT | Beach Hazards Statement | ILM | 25 hr |
| Jun 18, 8:27 PM EDT | Beach Hazards Statement | ILM | 25 hr |
| Jun 19, 3:22 AM EDT | Heat Advisory | ILM | 17 hr |
| Jun 19, 4:01 PM EDT | Heat Advisory | ILM | 28 hr |
| Jun 19, 8:35 PM EDT | Beach Hazards Statement | ILM | 8 hr |
| Jun 21, 6:00 AM EDT | Heat Advisory | ILM | 10 hr |
| Jun 22, 11:01 AM EDT | Heat Advisory | ILM | 7 hr |
| Jun 22, 7:36 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jun 23, 3:30 PM EDT | Heat Advisory | ILM | 29 hr |
| Jun 23, 7:41 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jun 25, 1:02 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 25, 5:02 PM EDT | Special Weather Statement | ILM | 43 min |
| Jun 25, 5:06 PM EDT | Special Weather Statement | ILM | 39 min |
| Jun 25, 5:09 PM EDT | Severe Thunderstorm Warning | ILM | 66 min |
| Jun 25, 5:52 PM EDT | Special Weather Statement | ILM | 38 min |
| Jun 25, 6:07 PM EDT | Severe Thunderstorm Warning | ILM | 38 min |
| Jun 25, 6:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 6:43 PM EDT | Areal Flood Advisory | ILM | 2 hr |
| Jul 8, 7:49 PM EDT | Beach Hazards Statement | ILM | 25 hr |
| Jul 10, 2:39 PM EDT | Coastal Flood Advisory | ILM | 7 hr |
| Jul 12, 4:13 PM EDT | Severe Thunderstorm Warning | ILM | 31 min |
| Jul 12, 6:26 PM EDT | Special Weather Statement | ILM | 64 min |
| Jul 14, 12:52 PM EDT | Coastal Flood Advisory | ILM | 12 hr |
| Jul 17, 4:45 AM EDT | Beach Hazards Statement | ILM | 15 hr |
| Jul 17, 5:34 PM EDT | Special Weather Statement | ILM | 41 min |
| Jul 17, 6:39 PM EDT | Special Weather Statement | ILM | 36 min |
| Jul 20, 2:54 AM EDT | Flash Flood Watch | ILM | 23 hr |
| Jul 20, 6:26 AM EDT | Areal Flood Advisory | ILM | 94 min |
| Jul 20, 8:02 AM EDT | Areal Flood Advisory | ILM | 118 min |
| Jul 20, 10:05 AM EDT | Areal Flood Advisory | ILM | 115 min |
| Jul 21, 5:22 AM EDT | Beach Hazards Statement | ILM | 15 hr |
| Jul 21, 7:50 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jul 22, 3:35 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 22, 5:21 PM EDT | Areal Flood Advisory | ILM | 114 min |
| Jul 22, 7:29 PM EDT | Areal Flood Advisory | ILM | 108 min |
| Jul 22, 7:52 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jul 23, 3:50 AM EDT | Severe Thunderstorm Warning | ILM | 40 min |
| Jul 23, 1:24 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 8:09 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jul 23, 8:09 PM EDT | Rip Current Statement | ILM | 24 hr |
| Jul 24, 7:51 PM EDT | Beach Hazards Statement | ILM | 25 hr |
| Jul 24, 7:51 PM EDT | Rip Current Statement | ILM | 25 hr |
| Jul 25, 1:46 PM EDT | Special Weather Statement | ILM | 29 min |
| Jul 25, 2:38 PM EDT | Special Weather Statement | ILM | 67 min |
| Jul 25, 2:58 PM EDT | Severe Thunderstorm Warning | ILM | 32 min |
| Jul 25, 3:38 PM EDT | Areal Flood Advisory | ILM | 67 min |
| Jul 25, 3:52 PM EDT | Special Weather Statement | ILM | 23 min |
| Jul 25, 7:34 PM EDT | Rip Current Statement | ILM | 24 hr |
| Jul 30, 5:19 PM EDT | Special Weather Statement | ILM | 56 min |
| Jul 30, 6:12 PM EDT | Special Weather Statement | ILM | 33 min |
| Jul 30, 7:47 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Jul 31, 8:03 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 1, 8:02 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 2, 11:29 AM EDT | Areal Flood Advisory | ILM | 61 min |
| Aug 6, 11:03 AM EDT | River Flood Warning | CHS | 26 hr |
| Aug 7, 7:42 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 8, 4:13 AM EDT | Heat Advisory | ILM | 15 hr |
| Aug 9, 4:06 PM EDT | Beach Hazards Statement | ILM | 4 hr |
| Aug 9, 4:06 PM EDT | Beach Hazards Statement | ILM | 28 hr |
| Aug 10, 8:03 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 11, 7:41 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 12, 7:27 PM EDT | Beach Hazards Statement | ILM | 26 hr |
| Aug 13, 2:38 PM EDT | Special Weather Statement | CHS | 52 min |
| Aug 14, 3:28 PM EDT | Special Weather Statement | ILM | 62 min |
| Aug 14, 4:33 PM EDT | Special Weather Statement | ILM | 27 min |
| Aug 18, 7:43 PM EDT | Beach Hazards Statement | ILM | 25 hr |
| Aug 23, 7:35 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Aug 27, 6:54 AM EDT | Dense Fog Advisory | ILM | 2 hr |
| Sep 8, 3:23 PM EDT | Rip Current Statement | ILM | 29 hr |
| Sep 9, 7:55 PM EDT | Rip Current Statement | ILM | 24 hr |
| Sep 10, 7:49 PM EDT | Rip Current Statement | ILM | 24 hr |
| Sep 11, 6:49 AM EDT | Hurricane Watch | ILM | 46 hr |
| Sep 11, 7:44 AM EDT | Storm Surge Watch | ILM | 9 hr |
| Sep 11, 5:04 PM EDT | Hurricane Warning | ILM | 3 days |
| Sep 11, 5:04 PM EDT | Storm Surge Warning | ILM | 4 days |
| Sep 11, 7:51 PM EDT | Rip Current Statement | ILM | 6 days |
| Sep 12, 4:50 AM EDT | Flash Flood Watch | ILM | 5 days |
| Sep 12, 5:02 PM EDT | Tropical Storm Warning | ILM | 3 days |
| Sep 14, 11:05 AM EDT | River Flood Warning | CHS | 7 days |
| Sep 16, 11:16 AM EDT | Areal Flood Advisory | ILM | 5 hr |
| Sep 16, 11:22 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Sep 16, 11:28 AM EDT | Flash Flood Warning | ILM | 5 hr |
| Sep 16, 3:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 16, 4:00 PM EDT | Flash Flood Warning | ILM | 8 hr |
| Sep 16, 9:53 PM EDT | Flash Flood Warning | ILM | 2 hr |
| Sep 17, 5:29 AM EDT | Flash Flood Warning | ILM | 5 hr |
| Sep 17, 10:25 AM EDT | Areal Flood Warning | ILM | 72 hr |
| Sep 18, 2:54 AM EDT | Areal Flood Advisory | ILM | 3 hr |
| Sep 18, 5:01 AM EDT | Beach Hazards Statement | ILM | 15 hr |
| Sep 23, 10:30 AM EDT | Areal Flood Warning | ILM | 6 days |
| Sep 29, 3:31 PM EDT | Areal Flood Advisory | ILM | 65 min |
| Oct 8, 7:58 PM EDT | Rip Current Statement | ILM | 24 hr |
| Oct 9, 4:55 PM EDT | Flash Flood Watch | ILM | 44 hr |
| Oct 9, 5:02 PM EDT | Tropical Storm Watch | ILM | 12 hr |
| Oct 9, 10:02 PM EDT | Coastal Flood Advisory | ILM | 40 hr |
| Oct 9, 10:02 PM EDT | Rip Current Statement | ILM | 46 hr |
| Oct 10, 4:54 AM EDT | Tropical Storm Warning | ILM | 42 hr |
| Oct 10, 1:04 PM EDT | High Surf Advisory | ILM | 31 hr |
| Oct 10, 4:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 10, 7:40 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Oct 10, 11:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Oct 10, 11:38 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 11, 4:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Oct 11, 10:31 AM EDT | River Flood Warning | CHS | 11 days |
| Oct 20, 7:45 PM EDT | Beach Hazards Statement | ILM | 24 hr |
| Oct 26, 3:18 AM EDT | Coastal Flood Advisory | ILM | 9 hr |
| Oct 31, 10:04 PM EDT | River Flood Warning | CHS | 9 days |
| Nov 13, 10:28 AM EST | River Flood Warning | CHS | 139 days |
| Nov 21, 10:55 AM EST | Coastal Flood Advisory | ILM | 49 hr |
| Nov 24, 4:08 AM EST | Coastal Flood Warning | ILM | 8 hr |
| Nov 26, 3:38 AM EST | Freeze Watch | ILM | 24 hr |
| Nov 27, 3:58 AM EST | Freeze Warning | ILM | 29 hr |
| Nov 28, 12:25 PM EST | Freeze Warning | ILM | 20 hr |
| Dec 8, 3:30 PM EST | Wind Advisory | ILM | 27 hr |
| Dec 9, 5:27 AM EST | Coastal Flood Advisory | ILM | 6 hr |
| Dec 13, 3:55 AM EST | Flash Flood Watch | ILM | 53 hr |
| Dec 14, 11:57 AM EST | Areal Flood Advisory | ILM | 3 hr |
| Dec 14, 11:16 PM EST | Areal Flood Advisory | ILM | 3 hr |
| Dec 20, 3:18 AM EST | Flash Flood Watch | ILM | 18 hr |
| Dec 20, 4:12 PM EST | Mesoscale Discussion | SPC | 3 hr |
| Dec 21, 3:04 AM EST | Wind Advisory | ILM | 15 hr |
| Dec 31, 4:26 AM EST | Dense Fog Advisory | ILM | 5 hr |
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 archive20172019
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.