Alert archive / South Carolina / Colleton County
Weather alerts in Colleton County, South Carolina, 2013
199 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Colleton County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 199
- Warnings
- 58
- Watches
- 17
- Advisories
- 51
- Busiest month
- June55 alerts
- Busiest day
- June 10, 201310 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 3 tornado warnings covering Colleton County in 2013 had a tornado report inside them.
Colleton County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 37 | 28 | 24% | 50 | 80% | 31 min |
| Flash flood warnings | 6 | 3 | 50% | 3 | 67% | 147 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 15 | 1 | 93% | 3 | 67% | 10 min |
| NWS Charleston, SC: severe thunderstorm warnings | 132 | 79 | 40% | 271 | 81% | 25 min |
| NWS Charleston, SC: flash flood warnings | 44 | 32 | 27% | 154 | 92% | 116 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 11, 9:49 PM EST | Dense Fog Advisory | CHS | 12 hr |
| Jan 13, 12:27 AM EST | Dense Fog Advisory | CHS | 10 hr |
| Jan 29, 3:15 AM EST | Dense Fog Advisory | CHS | 7 hr |
| Jan 29, 4:26 PM EST | Wind Advisory | CHS | 33 hr |
| Jan 30, 8:44 PM EST | Mesoscale Discussion | SPC | 61 min |
| Jan 30, 8:56 PM EST | Tornado Watch | SPC | 3 hr |
| Jan 30, 9:15 PM EST | Severe Thunderstorm Warning | CHS | 60 min |
| Jan 30, 10:08 PM EST | Severe Thunderstorm Warning | CHS | 52 min |
| Jan 30, 10:42 PM EST | Mesoscale Discussion | SPC | 93 min |
| Feb 16, 4:01 AM EST | Wind Advisory | CHS | 18 hr |
| Feb 23, 11:07 AM EST | Areal Flood Advisory | CHS | 113 min |
| Feb 26, 7:10 AM EST | Areal Flood Advisory | CHS | 110 min |
| Feb 26, 7:41 AM EST | Tornado Warning | CHS | 49 min |
| Feb 26, 8:10 AM EST | Areal Flood Advisory | CHS | 110 min |
| Feb 26, 8:44 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 26, 11:38 AM EST | Mesoscale Discussion | SPC | 67 min |
| Feb 26, 2:44 PM EST | Mesoscale Discussion | SPC | 91 min |
| Feb 28, 10:21 AM EST | River Flood Warning | CHS | 47 hr |
| Mar 5, 8:02 PM EST | Wind Advisory | CHS | 22 hr |
| Mar 14, 3:54 AM EDT | Freeze Watch | CHS | 12 hr |
| Mar 14, 3:52 PM EDT | Freeze Warning | CHS | 17 hr |
| Mar 15, 11:16 AM EDT | Fire Weather Watch | CHS | 17 hr |
| Mar 16, 3:52 AM EDT | Red Flag Warning | CHS | 15 hr |
| Mar 16, 7:45 AM EDT | Wind Advisory | CHS | 7 hr |
| Mar 18, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 18, 10:18 PM EDT | Severe Thunderstorm Warning | CHS | 57 min |
| Mar 18, 10:45 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Mar 21, 3:22 AM EDT | Freeze Watch | CHS | 13 hr |
| Mar 21, 4:07 PM EDT | Freeze Warning | CHS | 12 hr |
| Mar 24, 7:13 AM EDT | Areal Flood Advisory | CHS | 92 min |
| Mar 24, 9:10 AM EDT | Areal Flood Advisory | CHS | 80 min |
| Mar 24, 3:13 PM EDT | Freeze Watch | CHS | 25 hr |
| Mar 24, 3:13 PM EDT | Wind Advisory | CHS | 29 hr |
| Mar 26, 3:42 AM EDT | Freeze Watch | CHS | 10 hr |
| Mar 26, 1:34 PM EDT | Freeze Warning | CHS | 19 hr |
| Mar 27, 2:49 PM EDT | Freeze Warning | CHS | 18 hr |
| Mar 28, 3:23 PM EDT | Frost Advisory | CHS | 18 hr |
| Mar 31, 6:42 PM EDT | Special Weather Statement | CHS | 33 min |
| Mar 31, 6:58 PM EDT | Special Weather Statement | CHS | 32 min |
| Mar 31, 7:15 PM EDT | Special Weather Statement | CHS | 15 min |
| Mar 31, 7:29 PM EDT | Special Weather Statement | CHS | 61 min |
| Apr 12, 12:46 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 12, 1:06 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 12, 2:41 PM EDT | Special Weather Statement | CHS | 64 min |
| Apr 12, 2:53 PM EDT | Severe Thunderstorm Warning | CHS | 52 min |
| Apr 19, 1:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 2:36 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 19, 4:24 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Apr 19, 4:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 5:24 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Apr 19, 5:37 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Apr 19, 6:24 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Apr 19, 6:27 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Apr 19, 6:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 29, 1:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 29, 2:14 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Apr 29, 3:05 PM EDT | Special Weather Statement | CHS | 55 min |
| May 6, 12:56 AM EDT | Dense Fog Advisory | CHS | 4 hr |
| May 20, 3:52 PM EDT | Special Weather Statement | CHS | 23 min |
| May 20, 5:11 PM EDT | Special Weather Statement | CHS | 34 min |
| May 20, 5:30 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| May 20, 6:26 PM EDT | Special Weather Statement | CHS | 34 min |
| May 20, 6:56 PM EDT | Special Weather Statement | CHS | 49 min |
| Jun 2, 1:44 PM EDT | Special Weather Statement | CHS | 31 min |
| Jun 3, 12:24 PM EDT | Special Weather Statement | CHS | 36 min |
| Jun 3, 1:16 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jun 3, 2:32 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jun 4, 2:43 PM EDT | Special Weather Statement | CHS | 32 min |
| Jun 4, 3:12 PM EDT | Special Weather Statement | CHS | 33 min |
| Jun 4, 4:06 PM EDT | Severe Thunderstorm Warning | CHS | 54 min |
| Jun 5, 7:47 PM EDT | Flash Flood Watch | CHS | 40 hr |
| Jun 5, 8:50 PM EDT | Hurricane Local Statement | CHS | 39 hr |
| Jun 6, 5:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 6, 7:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jun 6, 10:17 PM EDT | Tornado Warning | CHS | 43 min |
| Jun 10, 3:23 PM EDT | Special Weather Statement | CHS | 37 min |
| Jun 10, 3:58 PM EDT | Special Weather Statement | CHS | 32 min |
| Jun 10, 4:37 PM EDT | Special Weather Statement | CHS | 23 min |
| Jun 10, 4:51 PM EDT | Severe Thunderstorm Warning | CHS | 39 min |
| Jun 10, 5:39 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Jun 10, 6:24 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Jun 10, 6:57 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Jun 10, 7:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 10, 7:43 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 10, 7:58 PM EDT | Severe Thunderstorm Warning | CHS | 47 min |
| Jun 11, 8:51 PM EDT | Special Weather Statement | CHS | 24 min |
| Jun 11, 8:53 PM EDT | Special Weather Statement | CHS | 67 min |
| Jun 11, 9:14 PM EDT | Areal Flood Advisory | CHS | 91 min |
| Jun 11, 9:20 PM EDT | Flash Flood Warning | CHS | 115 min |
| Jun 13, 3:19 AM EDT | Heat Advisory | CHS | 15 hr |
| Jun 13, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 13, 10:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 17, 2:09 PM EDT | Special Weather Statement | CHS | 51 min |
| Jun 17, 5:02 PM EDT | Special Weather Statement | CHS | 28 min |
| Jun 17, 5:31 PM EDT | Special Weather Statement | CHS | 29 min |
| Jun 18, 2:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 18, 7:33 PM EDT | River Flood Warning | CHS | 54 hr |
| Jun 19, 4:09 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Jun 19, 4:40 PM EDT | Severe Thunderstorm Warning | CHS | 50 min |
| Jun 23, 4:54 PM EDT | Special Weather Statement | CHS | 36 min |
| Jun 25, 4:56 PM EDT | Special Weather Statement | CHS | 49 min |
| Jun 25, 5:45 PM EDT | Special Weather Statement | CHS | 45 min |
| Jun 26, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 6:22 PM EDT | Severe Thunderstorm Warning | CHS | 38 min |
| Jun 27, 1:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 5:37 PM EDT | Severe Thunderstorm Warning | CHS | 68 min |
| Jun 27, 6:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 27, 6:36 PM EDT | Special Weather Statement | CHS | 24 min |
| Jun 27, 7:05 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Jun 28, 6:38 AM EDT | Heat Advisory | CHS | 11 hr |
| Jun 30, 12:02 PM EDT | Areal Flood Advisory | CHS | 88 min |
| Jun 30, 1:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 1:19 PM EDT | Flash Flood Watch | CHS | 70 hr |
| Jun 30, 3:36 PM EDT | Special Weather Statement | CHS | 24 min |
| Jun 30, 4:15 PM EDT | Special Weather Statement | CHS | 30 min |
| Jun 30, 4:27 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Jun 30, 5:10 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jun 30, 5:29 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jul 1, 4:15 PM EDT | Special Weather Statement | CHS | 30 min |
| Jul 1, 4:31 PM EDT | Areal Flood Advisory | CHS | 59 min |
| Jul 2, 12:16 PM EDT | Areal Flood Advisory | CHS | 59 min |
| Jul 3, 11:30 AM EDT | Special Weather Statement | CHS | 45 min |
| Jul 3, 3:11 PM EDT | River Flood Warning | CHS | 23 days |
| Jul 3, 4:17 PM EDT | Areal Flood Advisory | CHS | 88 min |
| Jul 11, 3:20 PM EDT | Areal Flood Advisory | CHS | 55 min |
| Jul 11, 7:37 PM EDT | Flash Flood Watch | CHS | 71 hr |
| Jul 11, 9:26 PM EDT | Areal Flood Advisory | CHS | 94 min |
| Jul 11, 10:05 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jul 11, 11:21 PM EDT | Areal Flood Advisory | CHS | 84 min |
| Jul 11, 11:29 PM EDT | Special Weather Statement | CHS | 31 min |
| Jul 11, 11:52 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jul 13, 5:27 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 17, 5:42 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Jul 17, 6:08 PM EDT | Special Weather Statement | CHS | 67 min |
| Jul 17, 6:11 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jul 29, 5:16 PM EDT | Special Weather Statement | CHS | 29 min |
| Jul 29, 5:40 PM EDT | Severe Thunderstorm Warning | CHS | 65 min |
| Jul 29, 6:36 PM EDT | Areal Flood Advisory | CHS | 84 min |
| Jul 30, 4:52 PM EDT | Special Weather Statement | CHS | 38 min |
| Jul 31, 2:52 PM EDT | Severe Thunderstorm Warning | CHS | 68 min |
| Jul 31, 4:14 PM EDT | Areal Flood Advisory | CHS | 91 min |
| Jul 31, 7:36 PM EDT | Areal Flood Advisory | CHS | 84 min |
| Aug 1, 2:34 PM EDT | River Flood Warning | CHS | 5 days |
| Aug 2, 5:39 PM EDT | Areal Flood Advisory | CHS | 81 min |
| Aug 4, 6:34 PM EDT | Special Weather Statement | CHS | 26 min |
| Aug 14, 3:52 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Aug 14, 4:22 PM EDT | Areal Flood Advisory | CHS | 83 min |
| Aug 14, 5:03 PM EDT | Areal Flood Advisory | CHS | 87 min |
| Aug 14, 5:07 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Aug 14, 5:39 PM EDT | Areal Flood Advisory | CHS | 111 min |
| Aug 16, 3:30 AM EDT | Flash Flood Watch | CHS | 39 hr |
| Aug 18, 10:09 AM EDT | River Flood Warning | CHS | 14 days |
| Aug 19, 2:19 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 3:35 PM EDT | Areal Flood Advisory | CHS | 115 min |
| Aug 19, 4:27 PM EDT | Special Weather Statement | CHS | 48 min |
| Aug 19, 5:25 PM EDT | Areal Flood Advisory | CHS | 95 min |
| Aug 20, 3:36 PM EDT | Areal Flood Advisory | CHS | 114 min |
| Aug 20, 3:49 PM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Aug 20, 4:43 PM EDT | Flash Flood Warning | CHS | 2 hr |
| Aug 20, 6:15 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Aug 21, 1:59 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 21, 2:47 PM EDT | Special Weather Statement | CHS | 43 min |
| Aug 21, 3:03 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 22, 3:15 PM EDT | Special Weather Statement | CHS | 30 min |
| Aug 22, 3:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 31, 5:13 AM EDT | Dense Fog Advisory | CHS | 5 hr |
| Sep 2, 5:45 PM EDT | Special Weather Statement | CHS | 30 min |
| Sep 2, 5:49 PM EDT | Severe Thunderstorm Warning | CHS | 41 min |
| Sep 3, 5:39 PM EDT | Special Weather Statement | CHS | 36 min |
| Sep 3, 6:16 PM EDT | Special Weather Statement | CHS | 29 min |
| Sep 3, 6:26 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Sep 3, 6:49 PM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Sep 3, 7:39 PM EDT | Special Weather Statement | CHS | 36 min |
| Sep 4, 6:38 PM EDT | Special Weather Statement | CHS | 37 min |
| Oct 5, 4:36 AM EDT | Dense Fog Advisory | CHS | 4 hr |
| Oct 6, 3:20 AM EDT | Dense Fog Advisory | CHS | 7 hr |
| Oct 7, 4:08 PM EDT | Areal Flood Advisory | CHS | 112 min |
| Oct 25, 3:22 AM EDT | Frost Advisory | CHS | 30 hr |
| Nov 1, 9:31 PM EDT | Mesoscale Discussion | SPC | 104 min |
| Nov 1, 9:44 PM EDT | Special Weather Statement | CHS | 46 min |
| Nov 8, 3:11 PM EST | Frost Advisory | CHS | 17 hr |
| Nov 12, 3:25 AM EST | Wind Advisory | CHS | 25 hr |
| Nov 12, 3:18 PM EST | Freeze Watch | CHS | 13 hr |
| Nov 13, 4:00 AM EST | Freeze Warning | CHS | 29 hr |
| Nov 16, 5:23 AM EST | Dense Fog Advisory | CHS | 5 hr |
| Nov 22, 4:38 AM EST | Dense Fog Advisory | CHS | 77 min |
| Nov 23, 3:31 PM EST | Freeze Watch | CHS | 24 hr |
| Nov 24, 3:30 AM EST | Freeze Warning | CHS | 30 hr |
| Nov 26, 2:55 PM EST | Special Weather Statement | CHS | 35 min |
| Nov 26, 3:43 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 26, 5:40 PM EST | Tornado Watch | SPC | 7 hr |
| Nov 26, 7:48 PM EST | Mesoscale Discussion | SPC | 87 min |
| Dec 5, 12:10 AM EST | Dense Fog Advisory | CHS | 9 hr |
| Dec 8, 9:08 PM EST | Dense Fog Advisory | CHS | 15 hr |
| Dec 9, 6:02 PM EST | Dense Fog Advisory | CHS | 9 hr |
| Dec 14, 5:48 PM EST | Mesoscale Discussion | SPC | 57 min |
| Dec 14, 6:50 PM EST | Tornado Watch | SPC | 5 hr |
| Dec 14, 7:04 PM EST | Severe Thunderstorm Warning | CHS | 56 min |
| Dec 14, 7:09 PM EST | Tornado Warning | CHS | 36 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 | 37 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 27 |
| Special Weather Statement | 45 |
| Flooding | |
| Flash Flood Warning | 6 |
| River Flood Warning | 5 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 28 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 6 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
| Tropical | |
| Hurricane Local Statement | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.