Alert archive / South Carolina / Berkeley County
Weather alerts in Berkeley County, South Carolina, 2008
299 weather alerts in 2008, 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 2008. Tap one for its archive.
- Alerts
- 299
- Warnings
- 108
- Watches
- 30
- Advisories
- 121
- Busiest month
- May50 alerts
- Busiest day
- May 20, 200812 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 6 tornado warnings covering Berkeley County in 2008 had a tornado report inside them; 2 of 3 tornado reports fell inside a warning, on average 39 minutes after it went out.
Berkeley County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 2 | 67% | 3 | 67% | 39 min |
| Severe thunderstorm warnings | 84 | 43 | 49% | 55 | 75% | 23 min |
| Flash flood warnings | 7 | 5 | 29% | 5 | 100% | 85 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 63 | 13 | 79% | 33 | 85% | 24 min |
| NWS Charleston, SC: severe thunderstorm warnings | 346 | 181 | 48% | 457 | 77% | 23 min |
| NWS Charleston, SC: flash flood warnings | 21 | 12 | 43% | 40 | 88% | 99 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 6, 3:25 PM EST | Dense Fog Advisory | CHS | 19 hr |
| Jan 7, 3:24 PM EST | Dense Fog Advisory | CHS | 18 hr |
| Jan 14, 3:46 AM EST | Dense Fog Advisory | CHS | 2 hr |
| Jan 19, 4:04 AM EST | Lake Wind Advisory | CHS | 35 hr |
| Jan 23, 3:48 PM EST | Lake Wind Advisory | CHS | 43 hr |
| Jan 25, 10:04 PM EST | Winter Weather Advisory | CHS | 8 hr |
| Jan 29, 3:41 AM EST | Lake Wind Advisory | CHS | 26 hr |
| Jan 30, 3:10 AM EST | Wind Advisory | CHS | 7 hr |
| Jan 31, 4:20 AM EST | Lake Wind Advisory | CHS | 12 hr |
| Jan 31, 4:16 PM EST | Wind Advisory | CHS | 24 hr |
| Feb 4, 7:38 PM EST | Dense Fog Advisory | CHS | 16 hr |
| Feb 5, 4:11 PM EST | Lake Wind Advisory | CHS | 39 hr |
| Feb 5, 7:21 PM EST | Dense Fog Advisory | CHS | 8 hr |
| Feb 6, 2:52 PM EST | Mesoscale Discussion | SPC | 53 min |
| Feb 8, 1:49 PM EST | Fire Weather Watch | CHS | 15 hr |
| Feb 9, 4:46 AM EST | Fire Weather Watch | CHS | 11 hr |
| Feb 9, 3:18 PM EST | Red Flag Warning | CHS | 29 hr |
| Feb 9, 3:27 PM EST | Lake Wind Advisory | CHS | 36 hr |
| Feb 13, 4:21 PM EST | Lake Wind Advisory | CHS | 15 hr |
| Feb 17, 3:55 AM EST | Lake Wind Advisory | CHS | 41 hr |
| Feb 19, 9:54 AM EST | Lake Wind Advisory | CHS | 8 hr |
| Feb 25, 3:37 PM EST | Lake Wind Advisory | CHS | 60 hr |
| Feb 26, 11:01 AM EST | Mesoscale Discussion | SPC | 59 min |
| Feb 26, 11:25 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 3, 3:48 PM EST | Lake Wind Advisory | CHS | 13 hr |
| Mar 4, 4:34 AM EST | Wind Advisory | CHS | 21 hr |
| Mar 4, 6:33 AM EST | Mesoscale Discussion | SPC | 87 min |
| Mar 4, 5:48 PM EST | Mesoscale Discussion | SPC | 57 min |
| Mar 4, 6:27 PM EST | Tornado Watch | SPC | 7 hr |
| Mar 4, 10:06 PM EST | Severe Thunderstorm Warning | CHS | 39 min |
| Mar 4, 10:15 PM EST | Severe Thunderstorm Warning | CHS | 45 min |
| Mar 5, 1:41 AM EST | Lake Wind Advisory | CHS | 3 hr |
| Mar 6, 3:26 PM EST | Lake Wind Advisory | CHS | 37 hr |
| Mar 7, 4:33 AM EST | Flood Watch | CHS | 16 hr |
| Mar 7, 4:33 AM EST | High Wind Watch | CHS | 12 hr |
| Mar 7, 10:42 AM EST | Mesoscale Discussion | SPC | 93 min |
| Mar 7, 1:25 PM EST | Severe Thunderstorm Warning | CHS | 50 min |
| Mar 7, 4:13 PM EST | Wind Advisory | CHS | 27 hr |
| Mar 8, 4:35 AM EST | High Wind Warning | CHS | 11 hr |
| Mar 8, 7:04 PM EST | Lake Wind Advisory | CHS | 5 hr |
| Mar 11, 10:38 PM EDT | Dense Fog Advisory | CHS | 8 hr |
| Mar 14, 4:45 PM EDT | Lake Wind Advisory | CHS | 25 hr |
| Mar 15, 7:18 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Mar 15, 11:30 AM EDT | Mesoscale Discussion | SPC | 60 min |
| Mar 15, 4:36 PM EDT | Tornado Watch | SPC | 8 hr |
| Mar 15, 5:45 PM EDT | Wind Advisory | CHS | 5 hr |
| Mar 15, 6:49 PM EDT | Tornado Warning | CHS | 45 min |
| Mar 15, 7:09 PM EDT | Tornado Warning | CHS | 66 min |
| Mar 15, 7:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Mar 15, 7:57 PM EDT | Tornado Warning | CHS | 63 min |
| Mar 15, 8:32 PM EDT | Severe Thunderstorm Warning | CHS | 20 min |
| Mar 15, 9:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Mar 15, 10:58 PM EDT | Lake Wind Advisory | CHS | 15 hr |
| Mar 18, 4:31 PM EDT | Wind Advisory | CHS | 29 hr |
| Mar 19, 3:49 PM EDT | Lake Wind Advisory | CHS | 24 hr |
| Mar 23, 3:29 AM EDT | Freeze Watch | CHS | 36 hr |
| Mar 23, 3:45 PM EDT | Fire Weather Watch | CHS | 14 hr |
| Mar 24, 8:36 AM EDT | Red Flag Warning | CHS | 10 hr |
| Mar 24, 3:34 PM EDT | Freeze Warning | CHS | 17 hr |
| Mar 25, 5:13 AM EDT | Frost Advisory | CHS | 28 hr |
| Mar 29, 3:06 AM EDT | Lake Wind Advisory | CHS | 43 hr |
| Apr 1, 3:57 PM EDT | Severe Thunderstorm Warning | CHS | 48 min |
| Apr 2, 4:16 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Apr 2, 6:26 PM EDT | Areal Flood Advisory | CHS | 54 min |
| Apr 3, 4:05 PM EDT | Lake Wind Advisory | CHS | 30 hr |
| Apr 4, 3:28 AM EDT | Dense Fog Advisory | CHS | 8 hr |
| Apr 5, 11:25 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 5, 4:16 PM EDT | Severe Thunderstorm Warning | CHS | 44 min |
| Apr 10, 9:34 PM EDT | Dense Fog Advisory | CHS | 11 hr |
| Apr 12, 4:17 AM EDT | Lake Wind Advisory | CHS | 15 hr |
| Apr 12, 8:59 PM EDT | Lake Wind Advisory | CHS | 31 hr |
| Apr 13, 3:50 AM EDT | Red Flag Warning | CHS | 16 hr |
| Apr 14, 4:12 PM EDT | Lake Wind Advisory | CHS | 43 hr |
| Apr 19, 11:43 PM EDT | Severe Thunderstorm Warning | CHS | 32 min |
| Apr 28, 2:47 PM EDT | Lake Wind Advisory | CHS | 24 hr |
| Apr 29, 3:03 PM EDT | Frost Advisory | CHS | 17 hr |
| May 5, 12:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 5, 1:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 5, 4:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 5, 9:03 PM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| May 5, 9:38 PM EDT | Severe Thunderstorm Warning | CHS | 39 min |
| May 8, 9:48 PM EDT | Lake Wind Advisory | CHS | 13 hr |
| May 9, 5:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 7:11 AM EDT | Severe Thunderstorm Warning | CHS | 49 min |
| May 10, 2:10 PM EDT | Tornado Watch | SPC | 7 hr |
| May 10, 3:44 PM EDT | Severe Thunderstorm Warning | CHS | 46 min |
| May 10, 4:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 4:27 PM EDT | Severe Thunderstorm Warning | CHS | 48 min |
| May 10, 4:46 PM EDT | Severe Thunderstorm Warning | CHS | 29 min |
| May 10, 4:49 PM EDT | Severe Thunderstorm Warning | CHS | 26 min |
| May 10, 5:12 PM EDT | Severe Thunderstorm Warning | CHS | 35 min |
| May 10, 5:20 PM EDT | Severe Thunderstorm Warning | CHS | 22 min |
| May 10, 5:23 PM EDT | Lake Wind Advisory | CHS | 59 hr |
| May 10, 8:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 2:37 AM EDT | Tornado Watch | SPC | 7 hr |
| May 11, 4:17 AM EDT | High Wind Watch | CHS | 12 hr |
| May 11, 4:40 AM EDT | Mesoscale Discussion | SPC | 95 min |
| May 11, 4:41 AM EDT | Severe Thunderstorm Warning | CHS | 34 min |
| May 11, 5:08 AM EDT | Tornado Warning | CHS | 52 min |
| May 11, 5:10 AM EDT | Severe Thunderstorm Warning | CHS | 35 min |
| May 11, 5:58 AM EDT | Severe Thunderstorm Warning | CHS | 32 min |
| May 11, 7:24 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 11, 8:51 AM EDT | Mesoscale Discussion | SPC | 84 min |
| May 11, 6:04 PM EDT | Severe Thunderstorm Warning | CHS | 35 min |
| May 15, 4:27 PM EDT | Lake Wind Advisory | CHS | 26 hr |
| May 17, 12:29 AM EDT | Lake Wind Advisory | CHS | 5 hr |
| May 17, 4:26 PM EDT | Lake Wind Advisory | CHS | 29 hr |
| May 19, 4:17 PM EDT | Lake Wind Advisory | CHS | 30 hr |
| May 20, 3:23 PM EDT | Mesoscale Discussion | SPC | 37 min |
| May 20, 3:39 PM EDT | Tornado Watch | SPC | 7 hr |
| May 20, 5:15 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| May 20, 5:48 PM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| May 20, 5:58 PM EDT | Severe Thunderstorm Warning | CHS | 47 min |
| May 20, 6:17 PM EDT | Severe Thunderstorm Warning | CHS | 43 min |
| May 20, 6:27 PM EDT | Severe Thunderstorm Warning | CHS | 33 min |
| May 20, 6:36 PM EDT | Severe Thunderstorm Warning | CHS | 24 min |
| May 20, 6:39 PM EDT | Tornado Warning | CHS | 36 min |
| May 20, 6:56 PM EDT | Severe Thunderstorm Warning | CHS | 34 min |
| May 20, 7:18 PM EDT | Severe Thunderstorm Warning | CHS | 27 min |
| May 20, 7:43 PM EDT | Severe Thunderstorm Warning | CHS | 47 min |
| May 20, 8:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 20, 8:38 PM EDT | Severe Thunderstorm Warning | CHS | 37 min |
| May 20, 9:42 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 3:14 PM EDT | Areal Flood Advisory | CHS | 46 min |
| May 23, 4:18 PM EDT | Severe Thunderstorm Warning | CHS | 27 min |
| May 28, 7:10 PM EDT | Severe Thunderstorm Warning | CHS | 65 min |
| Jun 1, 1:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 1, 7:21 PM EDT | Severe Thunderstorm Warning | CHS | 39 min |
| Jun 1, 7:30 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jun 1, 7:56 PM EDT | Severe Thunderstorm Warning | CHS | 49 min |
| Jun 1, 8:39 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Jun 4, 10:58 AM EDT | Heat Advisory | CHS | 7 hr |
| Jun 4, 3:32 PM EDT | Heat Advisory | CHS | 28 hr |
| Jun 17, 7:27 PM EDT | Severe Thunderstorm Warning | CHS | 48 min |
| Jun 19, 1:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 20, 11:32 AM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 20, 12:56 PM EDT | Severe Thunderstorm Warning | CHS | 49 min |
| Jun 20, 1:39 PM EDT | Severe Thunderstorm Warning | CHS | 51 min |
| Jun 20, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 20, 2:29 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Jun 20, 3:25 PM EDT | Severe Thunderstorm Warning | CHS | 50 min |
| Jun 20, 4:04 PM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Jun 20, 4:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jun 20, 4:39 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Jun 20, 4:51 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Jun 20, 4:59 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Jun 20, 5:30 PM EDT | Areal Flood Advisory | CHS | 60 min |
| Jun 21, 11:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Jun 21, 12:53 PM EDT | Severe Thunderstorm Warning | CHS | 67 min |
| Jun 21, 1:16 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jun 21, 1:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 21, 2:56 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jun 21, 3:35 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Jun 21, 3:53 PM EDT | Severe Thunderstorm Warning | CHS | 67 min |
| Jun 21, 3:55 PM EDT | Flash Flood Warning | CHS | 2 hr |
| Jun 21, 4:29 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Jun 21, 5:18 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jun 22, 1:59 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 22, 2:51 PM EDT | Severe Thunderstorm Warning | CHS | 54 min |
| Jun 22, 3:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 23, 2:54 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 7:02 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Jun 25, 3:47 PM EDT | Severe Thunderstorm Warning | CHS | 43 min |
| Jun 26, 6:50 PM EDT | Severe Thunderstorm Warning | CHS | 40 min |
| Jun 26, 7:30 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jun 28, 8:27 PM EDT | Severe Thunderstorm Warning | CHS | 48 min |
| Jun 29, 12:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 29, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 29, 2:49 PM EDT | Severe Thunderstorm Warning | CHS | 41 min |
| Jun 29, 3:13 PM EDT | Severe Thunderstorm Warning | CHS | 47 min |
| Jun 29, 3:44 PM EDT | Tornado Warning | CHS | 31 min |
| Jun 29, 3:59 PM EDT | Severe Thunderstorm Warning | CHS | 31 min |
| Jun 29, 4:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 29, 8:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 4, 4:04 PM EDT | Severe Thunderstorm Warning | CHS | 41 min |
| Jul 4, 4:20 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Jul 4, 4:43 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jul 4, 4:52 PM EDT | Areal Flood Advisory | CHS | 79 min |
| Jul 4, 4:56 PM EDT | Severe Thunderstorm Warning | CHS | 34 min |
| Jul 5, 3:22 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Jul 10, 1:29 PM EDT | Severe Thunderstorm Warning | CHS | 61 min |
| Jul 10, 5:10 PM EDT | Severe Thunderstorm Warning | CHS | 65 min |
| Jul 11, 4:18 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Jul 14, 2:58 PM EDT | Areal Flood Advisory | CHS | 49 min |
| Jul 14, 7:55 PM EDT | Areal Flood Advisory | CHS | 65 min |
| Jul 14, 8:27 PM EDT | Flash Flood Warning | CHS | 2 hr |
| Jul 14, 9:01 PM EDT | Areal Flood Advisory | CHS | 59 min |
| Jul 15, 4:58 PM EDT | Areal Flood Advisory | CHS | 55 min |
| Jul 21, 3:50 AM EDT | Heat Advisory | CHS | 16 hr |
| Jul 21, 4:18 PM EDT | Heat Advisory | CHS | 23 hr |
| Jul 27, 1:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 4:17 PM EDT | Severe Thunderstorm Warning | CHS | 28 min |
| Jul 29, 3:59 AM EDT | Heat Advisory | CHS | 14 hr |
| Jul 29, 4:15 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jul 29, 5:00 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jul 29, 5:32 PM EDT | Areal Flood Advisory | CHS | 37 min |
| Jul 29, 5:57 PM EDT | Heat Advisory | CHS | 22 hr |
| Aug 1, 3:48 PM EDT | Heat Advisory | CHS | 27 hr |
| Aug 2, 4:06 PM EDT | Heat Advisory | CHS | 24 hr |
| Aug 2, 7:22 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 2, 11:19 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 3, 9:02 AM EDT | Areal Flood Advisory | CHS | 88 min |
| Aug 3, 9:18 AM EDT | Flash Flood Warning | CHS | 77 min |
| Aug 4, 3:08 AM EDT | Areal Flood Advisory | CHS | 52 min |
| Aug 4, 4:03 AM EDT | Areal Flood Advisory | CHS | 117 min |
| Aug 4, 3:15 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Aug 4, 3:45 PM EDT | Heat Advisory | CHS | 27 hr |
| Aug 5, 4:22 PM EDT | Heat Advisory | CHS | 28 hr |
| Aug 6, 4:12 PM EDT | Heat Advisory | CHS | 26 hr |
| Aug 6, 4:39 PM EDT | Severe Thunderstorm Warning | CHS | 51 min |
| Aug 6, 11:02 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Aug 7, 5:12 PM EDT | Severe Thunderstorm Warning | CHS | 78 min |
| Aug 7, 5:34 PM EDT | Severe Thunderstorm Warning | CHS | 86 min |
| Aug 7, 6:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 12, 11:51 AM EDT | Areal Flood Advisory | CHS | 114 min |
| Aug 13, 9:05 AM EDT | Flash Flood Watch | CHS | 6 hr |
| Aug 16, 4:43 PM EDT | Areal Flood Advisory | CHS | 92 min |
| Aug 17, 4:37 PM EDT | Areal Flood Advisory | CHS | 84 min |
| Aug 19, 5:33 PM EDT | Hurricane Local Statement | CHS | 3 days |
| Aug 20, 5:14 PM EDT | Lake Wind Advisory | CHS | 29 hr |
| Aug 21, 4:10 PM EDT | Lake Wind Advisory | CHS | 25 hr |
| Aug 22, 10:48 AM EDT | Tornado Watch | SPC | 11 hr |
| Aug 22, 12:49 PM EDT | Areal Flood Advisory | CHS | 56 min |
| Aug 22, 1:13 PM EDT | Areal Flood Advisory | CHS | 47 min |
| Aug 22, 1:49 PM EDT | Areal Flood Advisory | CHS | 86 min |
| Aug 22, 2:03 PM EDT | Areal Flood Advisory | CHS | 57 min |
| Aug 22, 3:28 PM EDT | Areal Flood Advisory | CHS | 62 min |
| Aug 25, 1:55 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Aug 29, 6:50 AM EDT | Areal Flood Advisory | CHS | 55 min |
| Sep 4, 7:04 AM EDT | Inland Tropical Storm Watch | CHS | 11 hr |
| Sep 4, 6:32 PM EDT | Inland Tropical Storm Warning | CHS | 37 hr |
| Sep 5, 11:15 AM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 5, 1:26 PM EDT | Areal Flood Advisory | CHS | 64 min |
| Sep 5, 3:44 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Sep 5, 3:50 PM EDT | Flash Flood Watch | CHS | 10 hr |
| Sep 5, 4:00 PM EDT | Mesoscale Discussion | SPC | 30 min |
| Sep 5, 4:39 PM EDT | Tornado Watch | SPC | 12 hr |
| Sep 5, 5:41 PM EDT | Areal Flood Advisory | CHS | 94 min |
| Sep 5, 6:59 PM EDT | Areal Flood Advisory | CHS | 4 hr |
| Sep 5, 7:41 PM EDT | Flash Flood Warning | CHS | 5 hr |
| Sep 5, 9:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 5, 11:55 PM EDT | Lake Wind Advisory | CHS | 5 hr |
| Sep 6, 12:42 AM EDT | Flash Flood Warning | CHS | 2 hr |
| Sep 11, 7:21 AM EDT | Areal Flood Advisory | CHS | 114 min |
| Sep 12, 6:08 PM EDT | Areal Flood Advisory | CHS | 52 min |
| Sep 16, 5:51 PM EDT | Severe Thunderstorm Warning | CHS | 39 min |
| Sep 16, 6:26 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Sep 16, 6:30 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Sep 19, 3:06 AM EDT | Lake Wind Advisory | CHS | 24 hr |
| Sep 23, 4:34 AM EDT | Lake Wind Advisory | CHS | 3 days |
| Oct 1, 4:05 AM EDT | Lake Wind Advisory | CHS | 26 hr |
| Oct 9, 10:57 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 9, 1:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Oct 9, 3:35 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Oct 9, 4:14 PM EDT | Areal Flood Advisory | CHS | 61 min |
| Oct 9, 4:30 PM EDT | Severe Thunderstorm Warning | CHS | 30 min |
| Oct 11, 3:49 AM EDT | Lake Wind Advisory | CHS | 41 hr |
| Oct 12, 5:23 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Oct 17, 4:05 PM EDT | Lake Wind Advisory | CHS | 47 hr |
| Oct 22, 3:31 PM EDT | Lake Wind Advisory | CHS | 50 hr |
| Oct 24, 5:24 PM EDT | High Wind Warning | CHS | 6 hr |
| Oct 24, 5:56 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Oct 24, 6:49 PM EDT | Flash Flood Warning | CHS | 6 hr |
| Oct 24, 8:42 PM EDT | Flash Flood Warning | CHS | 4 hr |
| Oct 27, 4:07 AM EDT | Lake Wind Advisory | CHS | 42 hr |
| Oct 28, 3:16 PM EDT | Freeze Warning | CHS | 18 hr |
| Oct 29, 3:05 PM EDT | Freeze Warning | CHS | 13 hr |
| Oct 30, 3:27 PM EDT | Frost Advisory | CHS | 18 hr |
| Oct 31, 3:27 PM EDT | Frost Advisory | CHS | 18 hr |
| Nov 3, 4:08 AM EST | Lake Wind Advisory | CHS | 31 hr |
| Nov 10, 4:05 PM EST | Frost Advisory | CHS | 16 hr |
| Nov 13, 7:41 AM EST | Dense Fog Advisory | CHS | 2 hr |
| Nov 14, 3:06 AM EST | Dense Fog Advisory | CHS | 6 hr |
| Nov 14, 10:25 PM EST | Tornado Watch | SPC | 8 hr |
| Nov 14, 11:53 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 15, 2:22 AM EST | Areal Flood Advisory | CHS | 83 min |
| Nov 15, 3:10 AM EST | Mesoscale Discussion | SPC | 95 min |
| Nov 15, 3:17 AM EST | Lake Wind Advisory | CHS | 31 hr |
| Nov 15, 3:17 AM EST | Wind Advisory | CHS | 12 hr |
| Nov 15, 3:45 AM EST | Severe Thunderstorm Warning | CHS | 45 min |
| Nov 15, 4:09 AM EST | Severe Thunderstorm Warning | CHS | 32 min |
| Nov 15, 10:08 PM EST | Freeze Watch | CHS | 17 hr |
| Nov 16, 3:05 PM EST | Frost Advisory | CHS | 18 hr |
| Nov 16, 9:42 PM EST | Freeze Warning | CHS | 11 hr |
| Nov 17, 3:25 AM EST | Lake Wind Advisory | CHS | 49 hr |
| Nov 17, 4:16 PM EST | Freeze Watch | CHS | 12 hr |
| Nov 18, 4:16 AM EST | Freeze Warning | CHS | 29 hr |
| Nov 19, 3:34 PM EST | Lake Wind Advisory | CHS | 12 hr |
| Nov 20, 3:52 PM EST | Lake Wind Advisory | CHS | 42 hr |
| Nov 29, 4:13 PM EST | Lake Wind Advisory | CHS | 52 hr |
| Dec 10, 4:18 PM EST | Lake Wind Advisory | CHS | 47 hr |
| Dec 11, 10:01 AM EST | Mesoscale Discussion | SPC | 119 min |
| Dec 11, 11:00 AM EST | Tornado Watch | SPC | 8 hr |
| Dec 11, 1:28 PM EST | Severe Thunderstorm Warning | CHS | 92 min |
| Dec 11, 1:28 PM EST | Mesoscale Discussion | SPC | 92 min |
| Dec 16, 3:05 AM EST | Dense Fog Advisory | CHS | 7 hr |
| Dec 16, 6:48 PM EST | Dense Fog Advisory | CHS | 11 days |
| Dec 21, 3:15 AM EST | Lake Wind Advisory | CHS | 33 hr |
| Dec 31, 4:33 AM EST | Lake Wind Advisory | CHS | 19 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 | 84 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 39 |
| Flooding | |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 36 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 3 |
| Frost Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Lake Wind Advisory | 48 |
| Wind Advisory | 7 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
| Tropical | |
| Inland Tropical Storm Warning | 1 |
| Inland Tropical Storm Watch | 1 |
| Hurricane Local Statement | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.