Alert archive / South Carolina / Berkeley County
Weather alerts in Berkeley County, South Carolina, 2014
253 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Berkeley County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 253
- Warnings
- 42
- Watches
- 25
- Advisories
- 109
- Busiest month
- August32 alerts
- Busiest day
- July 15, 20147 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Berkeley County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 18 | 11 | 39% | 10 | 90% | 28 min |
| Flash flood warnings | 13 | 10 | 23% | 2 | 100% | 97 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 3 | 0 | 100% | 2 | 0% | |
| NWS Charleston, SC: severe thunderstorm warnings | 113 | 78 | 31% | 225 | 73% | 22 min |
| NWS Charleston, SC: flash flood warnings | 27 | 17 | 37% | 74 | 89% | 78 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, 3:38 PM EST | Lake Wind Advisory | CHS | 26 hr |
| Jan 2, 5:40 PM EST | Wind Advisory | CHS | 14 hr |
| Jan 3, 7:40 AM EST | Lake Wind Advisory | CHS | 5 hr |
| Jan 5, 3:37 PM EST | Lake Wind Advisory | CHS | 42 hr |
| Jan 6, 3:22 AM EST | Wind Chill Advisory | CHS | 31 hr |
| Jan 11, 1:51 PM EST | Tornado Watch | SPC | 3 hr |
| Jan 11, 3:35 PM EST | Mesoscale Discussion | SPC | 55 min |
| Jan 11, 4:07 PM EST | Severe Thunderstorm Warning | CHS | 38 min |
| Jan 11, 4:26 PM EST | Severe Thunderstorm Warning | CHS | 64 min |
| Jan 11, 4:37 PM EST | Mesoscale Discussion | SPC | 53 min |
| Jan 15, 5:14 AM EST | Dense Fog Advisory | CHS | 4 hr |
| Jan 17, 3:36 AM EST | Lake Wind Advisory | CHS | 33 hr |
| Jan 18, 3:32 PM EST | Lake Wind Advisory | CHS | 21 hr |
| Jan 20, 3:52 PM EST | Lake Wind Advisory | CHS | 12 hr |
| Jan 21, 3:32 AM EST | Wind Advisory | CHS | 18 hr |
| Jan 21, 2:41 PM EST | Special Weather Statement | CHS | 64 min |
| Jan 21, 9:15 PM EST | Lake Wind Advisory | CHS | 6 hr |
| Jan 24, 3:36 PM EST | Fire Weather Watch | CHS | 12 hr |
| Jan 25, 3:29 AM EST | Lake Wind Advisory | CHS | 16 hr |
| Jan 26, 1:53 PM EST | Winter Storm Watch | CHS | 26 hr |
| Jan 27, 4:12 PM EST | Winter Storm Warning | CHS | 57 hr |
| Jan 28, 4:45 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 28, 10:43 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 30, 3:33 PM EST | Freezing Rain Advisory | CHS | 8 hr |
| Feb 1, 9:46 PM EST | Dense Fog Advisory | CHS | 13 hr |
| Feb 2, 11:32 PM EST | Dense Fog Advisory | CHS | 14 hr |
| Feb 4, 4:42 PM EST | Dense Fog Advisory | CHS | 17 hr |
| Feb 9, 5:38 AM EST | Dense Fog Advisory | CHS | 3 hr |
| Feb 10, 4:12 AM EST | Winter Storm Watch | CHS | 12 hr |
| Feb 10, 3:47 PM EST | Ice Storm Warning | CHS | 66 hr |
| Feb 12, 2:43 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 12, 8:44 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 14, 3:09 PM EST | Lake Wind Advisory | CHS | 7 hr |
| Feb 14, 9:41 PM EST | Wind Advisory | CHS | 17 hr |
| Feb 21, 6:39 AM EST | Severe Thunderstorm Watch | SPC | 9 hr |
| Feb 21, 11:25 AM EST | Severe Thunderstorm Warning | CHS | 65 min |
| Feb 26, 8:50 PM EST | River Flood Warning | CHS | 35 days |
| Mar 2, 3:36 PM EST | Freeze Watch | CHS | 24 hr |
| Mar 3, 3:56 AM EST | Freeze Warning | CHS | 29 hr |
| Mar 3, 6:47 PM EST | Lake Wind Advisory | CHS | 9 hr |
| Mar 5, 4:13 PM EST | Lake Wind Advisory | CHS | 35 hr |
| Mar 11, 4:05 PM EDT | Lake Wind Advisory | CHS | 22 hr |
| Mar 12, 1:58 PM EDT | Wind Advisory | CHS | 12 hr |
| Mar 12, 3:36 PM EDT | Freeze Watch | CHS | 24 hr |
| Mar 13, 1:46 AM EDT | Lake Wind Advisory | CHS | 14 hr |
| Mar 13, 4:01 PM EDT | Freeze Warning | CHS | 17 hr |
| Mar 23, 2:15 AM EDT | Dense Fog Advisory | CHS | 7 hr |
| Mar 24, 4:00 PM EDT | Freeze Watch | CHS | 11 hr |
| Mar 25, 3:24 AM EDT | Freeze Warning | CHS | 30 hr |
| Mar 25, 3:24 AM EDT | Lake Wind Advisory | CHS | 30 hr |
| Mar 26, 1:51 PM EDT | Freeze Warning | CHS | 19 hr |
| Mar 29, 4:11 AM EDT | Lake Wind Advisory | CHS | 22 hr |
| Mar 30, 2:09 AM EDT | Wind Advisory | CHS | 18 hr |
| Apr 7, 11:04 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Apr 7, 2:02 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 3:41 AM EDT | Wind Advisory | CHS | 10 hr |
| Apr 15, 2:02 PM EDT | Lake Wind Advisory | CHS | 23 hr |
| Apr 15, 5:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 9:18 AM EDT | River Flood Warning | CHS | 20 days |
| Apr 18, 3:49 AM EDT | Flash Flood Watch | CHS | 26 hr |
| Apr 18, 7:38 PM EDT | Flash Flood Warning | CHS | 4 hr |
| Apr 18, 9:38 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Apr 18, 11:27 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Apr 19, 2:05 AM EDT | Flash Flood Warning | CHS | 4 hr |
| Apr 19, 3:01 PM EDT | Lake Wind Advisory | CHS | 20 hr |
| Apr 22, 6:15 PM EDT | Special Weather Statement | CHS | 60 min |
| Apr 28, 2:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 30, 11:37 AM EDT | Special Weather Statement | CHS | 38 min |
| Apr 30, 12:31 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Apr 30, 1:01 PM EDT | Special Weather Statement | CHS | 44 min |
| May 12, 6:24 AM EDT | Dense Fog Advisory | CHS | 2 hr |
| May 12, 6:46 PM EDT | Special Weather Statement | CHS | 29 min |
| May 15, 8:29 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 1:36 PM EDT | Special Weather Statement | CHS | 24 min |
| May 15, 2:59 PM EDT | Areal Flood Advisory | CHS | 46 min |
| May 15, 6:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 7:06 PM EDT | Special Weather Statement | CHS | 24 min |
| May 15, 9:59 PM EDT | Areal Flood Advisory | CHS | 91 min |
| May 23, 1:07 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| May 23, 2:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 23, 4:14 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 23, 7:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 23, 8:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| May 23, 9:33 PM EDT | Severe Thunderstorm Warning | CHS | 57 min |
| May 23, 10:13 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| May 25, 11:46 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 29, 5:47 PM EDT | Special Weather Statement | CHS | 28 min |
| May 29, 9:06 PM EDT | Areal Flood Advisory | CHS | 84 min |
| May 31, 7:34 AM EDT | Special Weather Statement | CHS | 26 min |
| May 31, 12:59 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| May 31, 2:26 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jun 6, 1:09 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 12:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 7, 2:32 PM EDT | Areal Flood Advisory | CHS | 58 min |
| Jun 7, 3:11 PM EDT | Flash Flood Warning | CHS | 2 hr |
| Jun 8, 3:51 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jun 9, 2:43 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 9, 10:52 PM EDT | Severe Thunderstorm Warning | CHS | 37 min |
| Jun 12, 6:11 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jun 13, 7:01 PM EDT | Special Weather Statement | CHS | 59 min |
| Jun 13, 7:11 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jun 13, 7:58 PM EDT | Areal Flood Advisory | CHS | 92 min |
| Jun 14, 2:00 PM EDT | Special Weather Statement | CHS | 30 min |
| Jun 14, 4:49 PM EDT | Areal Flood Advisory | CHS | 56 min |
| Jun 15, 6:16 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jun 15, 6:57 PM EDT | Areal Flood Advisory | CHS | 93 min |
| Jun 16, 2:42 PM EDT | Special Weather Statement | CHS | 33 min |
| Jun 16, 3:21 PM EDT | Special Weather Statement | CHS | 24 min |
| Jun 20, 6:04 PM EDT | Special Weather Statement | CHS | 41 min |
| Jun 21, 3:45 AM EDT | Heat Advisory | CHS | 15 hr |
| Jun 21, 1:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 21, 3:36 PM EDT | Special Weather Statement | CHS | 39 min |
| Jun 21, 4:45 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Jun 21, 5:18 PM EDT | Severe Thunderstorm Warning | CHS | 57 min |
| Jun 23, 12:23 PM EDT | Areal Flood Advisory | CHS | 112 min |
| Jun 23, 3:33 PM EDT | Areal Flood Advisory | CHS | 57 min |
| Jun 23, 4:01 PM EDT | Flash Flood Warning | CHS | 119 min |
| Jun 25, 4:48 PM EDT | Special Weather Statement | CHS | 27 min |
| Jun 27, 5:37 PM EDT | Areal Flood Advisory | CHS | 83 min |
| Jun 27, 7:40 PM EDT | Areal Flood Advisory | CHS | 80 min |
| Jul 7, 5:49 PM EDT | Special Weather Statement | CHS | 41 min |
| Jul 7, 6:27 PM EDT | Special Weather Statement | CHS | 48 min |
| Jul 7, 6:37 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Jul 7, 7:26 PM EDT | Special Weather Statement | CHS | 34 min |
| Jul 11, 6:20 PM EDT | Areal Flood Advisory | CHS | 55 min |
| Jul 11, 6:40 PM EDT | Special Weather Statement | CHS | 35 min |
| Jul 12, 1:15 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 13, 12:14 PM EDT | Areal Flood Advisory | CHS | 91 min |
| Jul 14, 3:44 PM EDT | Special Weather Statement | CHS | 31 min |
| Jul 14, 4:26 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Jul 14, 4:43 PM EDT | Areal Flood Advisory | CHS | 92 min |
| Jul 15, 12:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 15, 1:30 PM EDT | Special Weather Statement | CHS | 30 min |
| Jul 15, 4:38 PM EDT | Special Weather Statement | CHS | 52 min |
| Jul 15, 4:56 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jul 15, 5:58 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 15, 6:01 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jul 15, 6:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jul 16, 5:56 PM EDT | Areal Flood Advisory | CHS | 94 min |
| Jul 16, 8:01 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Jul 20, 9:54 AM EDT | Special Weather Statement | CHS | 21 min |
| Jul 23, 4:42 PM EDT | Areal Flood Advisory | CHS | 63 min |
| Jul 25, 2:28 PM EDT | Special Weather Statement | CHS | 32 min |
| Jul 27, 3:53 PM EDT | Heat Advisory | CHS | 27 hr |
| Jul 28, 2:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 28, 3:25 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 30, 5:47 PM EDT | Special Weather Statement | CHS | 28 min |
| Jul 31, 2:39 PM EDT | Flash Flood Warning | CHS | 4 hr |
| Jul 31, 6:10 PM EDT | Areal Flood Advisory | CHS | 95 min |
| Jul 31, 6:46 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Jul 31, 7:45 PM EDT | Flash Flood Watch | CHS | 17 hr |
| Aug 8, 5:08 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Aug 8, 5:59 PM EDT | Special Weather Statement | CHS | 46 min |
| Aug 8, 6:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 4:02 PM EDT | Areal Flood Advisory | CHS | 88 min |
| Aug 9, 5:38 PM EDT | Areal Flood Advisory | CHS | 112 min |
| Aug 9, 6:27 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Aug 9, 6:48 PM EDT | Areal Flood Advisory | CHS | 102 min |
| Aug 9, 7:01 PM EDT | Special Weather Statement | CHS | 44 min |
| Aug 9, 7:08 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Aug 9, 7:08 PM EDT | Special Weather Statement | ILM | 22 min |
| Aug 10, 3:15 AM EDT | Flash Flood Watch | CHS | 35 hr |
| Aug 10, 1:17 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 10, 2:05 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Aug 10, 4:15 PM EDT | Areal Flood Advisory | CHS | 90 min |
| Aug 10, 5:07 PM EDT | Flash Flood Warning | CHS | 53 min |
| Aug 11, 4:19 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 11, 4:57 PM EDT | Special Weather Statement | CHS | 63 min |
| Aug 11, 7:35 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 12, 3:53 PM EDT | Severe Thunderstorm Warning | CHS | 67 min |
| Aug 12, 4:09 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 12, 5:21 PM EDT | Flash Flood Warning | CHS | 114 min |
| Aug 12, 9:44 PM EDT | Areal Flood Advisory | CHS | 61 min |
| Aug 18, 6:32 PM EDT | Areal Flood Advisory | CHS | 88 min |
| Aug 18, 6:41 PM EDT | Special Weather Statement | CHS | 34 min |
| Aug 18, 6:55 PM EDT | Severe Thunderstorm Warning | CHS | 50 min |
| Aug 18, 7:45 PM EDT | Special Weather Statement | CHS | 45 min |
| Aug 18, 7:55 PM EDT | Special Weather Statement | CHS | 35 min |
| Aug 18, 9:07 PM EDT | Special Weather Statement | CHS | 23 min |
| Aug 18, 10:15 PM EDT | Special Weather Statement | CHS | 30 min |
| Aug 20, 3:47 PM EDT | Heat Advisory | CHS | 27 hr |
| Aug 22, 3:28 AM EDT | Heat Advisory | CHS | 17 hr |
| Aug 23, 3:29 AM EDT | Heat Advisory | CHS | 17 hr |
| Sep 4, 2:32 PM EDT | Special Weather Statement | CHS | 58 min |
| Sep 7, 6:38 AM EDT | Areal Flood Advisory | CHS | 82 min |
| Sep 8, 3:36 PM EDT | Areal Flood Advisory | CHS | 114 min |
| Sep 12, 5:10 PM EDT | Special Weather Statement | CHS | 50 min |
| Sep 12, 6:06 PM EDT | Areal Flood Advisory | CHS | 54 min |
| Sep 14, 1:40 AM EDT | Flash Flood Watch | CHS | 21 hr |
| Sep 14, 3:15 AM EDT | Special Weather Statement | CHS | 30 min |
| Sep 14, 3:48 AM EDT | Areal Flood Advisory | CHS | 87 min |
| Sep 14, 5:13 AM EDT | Areal Flood Advisory | CHS | 62 min |
| Sep 15, 3:09 AM EDT | Flash Flood Watch | CHS | 18 hr |
| Sep 15, 3:37 PM EDT | Areal Flood Advisory | CHS | 83 min |
| Sep 15, 4:41 PM EDT | Areal Flood Advisory | CHS | 79 min |
| Sep 15, 6:01 PM EDT | Areal Flood Advisory | CHS | 119 min |
| Sep 16, 2:52 AM EDT | Dense Fog Advisory | CHS | 3 hr |
| Sep 16, 3:37 PM EDT | Areal Flood Advisory | CHS | 113 min |
| Sep 16, 3:48 PM EDT | Flash Flood Warning | CHS | 6 hr |
| Sep 17, 5:27 PM EDT | Special Weather Statement | CHS | 48 min |
| Sep 17, 5:33 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Sep 17, 6:18 PM EDT | Special Weather Statement | CHS | 42 min |
| Sep 22, 1:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 22, 3:48 PM EDT | Special Weather Statement | CHS | 27 min |
| Sep 22, 3:58 PM EDT | Areal Flood Advisory | CHS | 92 min |
| Sep 22, 4:32 PM EDT | Flash Flood Warning | CHS | 4 hr |
| Sep 22, 6:39 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Sep 28, 7:50 PM EDT | Areal Flood Advisory | CHS | 85 min |
| Sep 29, 2:54 AM EDT | Flash Flood Watch | CHS | 15 hr |
| Sep 29, 7:07 AM EDT | Areal Flood Advisory | CHS | 113 min |
| Oct 14, 6:57 AM EDT | Tornado Watch | SPC | 7 hr |
| Oct 14, 2:58 PM EDT | Mesoscale Discussion | SPC | 32 min |
| Oct 14, 3:07 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 14, 7:16 PM EDT | Special Weather Statement | CHS | 59 min |
| Oct 14, 8:15 PM EDT | Special Weather Statement | CHS | 60 min |
| Oct 27, 10:45 PM EDT | Dense Fog Advisory | CHS | 11 hr |
| Oct 31, 3:47 AM EDT | Lake Wind Advisory | CHS | 55 hr |
| Nov 1, 3:04 PM EDT | Freeze Watch | CHS | 14 hr |
| Nov 2, 4:00 AM EST | Freeze Warning | CHS | 29 hr |
| Nov 3, 11:36 AM EST | Frost Advisory | CHS | 21 hr |
| Nov 6, 8:34 PM EST | Lake Wind Advisory | CHS | 10 hr |
| Nov 13, 3:00 PM EST | Freeze Watch | CHS | 23 hr |
| Nov 14, 2:05 PM EST | Freeze Warning | CHS | 19 hr |
| Nov 16, 3:14 PM EST | Lake Wind Advisory | CHS | 42 hr |
| Nov 16, 5:59 PM EST | Dense Fog Advisory | CHS | 13 hr |
| Nov 17, 1:05 AM EST | Freeze Watch | CHS | 14 hr |
| Nov 17, 8:43 AM EST | Mesoscale Discussion | SPC | 92 min |
| Nov 17, 10:57 AM EST | Tornado Watch | SPC | 4 hr |
| Nov 17, 1:53 PM EST | Special Weather Statement | CHS | 67 min |
| Nov 17, 3:33 PM EST | Freeze Warning | CHS | 42 hr |
| Nov 23, 5:58 PM EST | Mesoscale Discussion | SPC | 62 min |
| Nov 23, 7:21 PM EST | Mesoscale Discussion | SPC | 84 min |
| Nov 23, 7:33 PM EST | Tornado Watch | SPC | 3 hr |
| Nov 23, 9:37 PM EST | Mesoscale Discussion | SPC | 53 min |
| Nov 23, 10:04 PM EST | Special Weather Statement | CHS | 41 min |
| Nov 24, 1:13 PM EST | Special Weather Statement | CHS | 32 min |
| Nov 25, 5:43 AM EST | Areal Flood Advisory | CHS | 62 min |
| Nov 25, 6:38 AM EST | Areal Flood Advisory | CHS | 82 min |
| Nov 25, 7:48 AM EST | Areal Flood Advisory | CHS | 102 min |
| Nov 25, 9:36 AM EST | Areal Flood Advisory | CHS | 84 min |
| Nov 25, 3:13 PM EST | Lake Wind Advisory | CHS | 22 hr |
| Nov 26, 3:11 PM EST | Lake Wind Advisory | CHS | 28 hr |
| Dec 2, 9:48 PM EST | Dense Fog Advisory | CHS | 14 hr |
| Dec 3, 3:37 PM EST | Dense Fog Advisory | CHS | 18 hr |
| Dec 7, 3:26 AM EST | Lake Wind Advisory | CHS | 31 hr |
| Dec 22, 8:00 PM EST | Dense Fog Advisory | CHS | 17 hr |
| Dec 23, 3:48 PM EST | Dense Fog Advisory | CHS | 9 hr |
| Dec 24, 2:44 AM EST | Wind Advisory | CHS | 11 hr |
| Dec 24, 6:32 AM EST | Tornado Watch | SPC | 7 hr |
| Dec 24, 8:50 AM EST | Mesoscale Discussion | SPC | 115 min |
| Dec 24, 4:01 PM EST | Special Weather Statement | CHS | 29 min |
| Dec 24, 6:44 PM EST | Lake Wind Advisory | CHS | 11 hr |
| Dec 29, 12:26 AM EST | Dense Fog Advisory | CHS | 5 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 | 18 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 47 |
| Flooding | |
| Flash Flood Warning | 13 |
| River Flood Warning | 2 |
| Flash Flood Watch | 6 |
| Areal Flood Advisory | 55 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 1 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 7 |
| Freeze Watch | 6 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 24 |
| Wind Advisory | 7 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.