Alert archive / South Carolina / Berkeley County
Weather alerts in Berkeley County, South Carolina, 2015
253 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 253
- Warnings
- 66
- Watches
- 18
- Advisories
- 103
- Busiest month
- June51 alerts
- Busiest day
- June 9, 20158 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Berkeley County in 2015 had a tornado report inside them; 0 of 2 tornado reports fell inside a warning.
Berkeley County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 2 | 0% | |
| Severe thunderstorm warnings | 37 | 28 | 24% | 26 | 65% | 21 min |
| Flash flood warnings | 15 | 12 | 20% | 36 | 100% | 496 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 5 | 3 | 40% | 11 | 82% | 9 min |
| NWS Charleston, SC: severe thunderstorm warnings | 180 | 137 | 24% | 503 | 79% | 23 min |
| NWS Charleston, SC: flash flood warnings | 21 | 17 | 19% | 192 | 96% | 473 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 2, 9:08 PM EST | River Flood Warning | CHS | 21 days |
| Jan 3, 3:43 PM EST | Lake Wind Advisory | CHS | 25 hr |
| Jan 3, 5:13 PM EST | Dense Fog Advisory | CHS | 12 hr |
| Jan 4, 11:37 AM EST | Tornado Watch | SPC | 5 hr |
| Jan 4, 1:39 PM EST | Mesoscale Discussion | SPC | 96 min |
| Jan 7, 3:29 AM EST | Lake Wind Advisory | CHS | 32 hr |
| Jan 7, 3:37 AM EST | Wind Chill Advisory | CHS | 31 hr |
| Jan 12, 6:14 PM EST | Dense Fog Advisory | CHS | 13 hr |
| Jan 17, 9:54 PM EST | Lake Wind Advisory | CHS | 24 hr |
| Jan 26, 9:36 AM EST | Lake Wind Advisory | CHS | 25 hr |
| Jan 29, 3:35 PM EST | Lake Wind Advisory | CHS | 12 hr |
| Feb 1, 3:13 PM EST | Lake Wind Advisory | CHS | 12 hr |
| Feb 2, 2:44 AM EST | Wind Advisory | CHS | 15 hr |
| Feb 2, 5:59 PM EST | Lake Wind Advisory | CHS | 6 hr |
| Feb 5, 7:56 PM EST | Lake Wind Advisory | CHS | 8 hr |
| Feb 9, 7:32 AM EST | Lake Wind Advisory | CHS | 38 hr |
| Feb 11, 3:47 PM EST | Lake Wind Advisory | CHS | 42 hr |
| Feb 13, 2:28 PM EST | Fire Weather Watch | CHS | 13 hr |
| Feb 14, 3:35 AM EST | Lake Wind Advisory | CHS | 31 hr |
| Feb 14, 3:43 AM EST | Red Flag Warning | CHS | 15 hr |
| Feb 18, 3:32 AM EST | Lake Wind Advisory | CHS | 12 hr |
| Feb 18, 9:37 AM EST | Wind Chill Advisory | CHS | 24 hr |
| Feb 18, 3:14 PM EST | Wind Advisory | CHS | 6 hr |
| Feb 18, 9:13 PM EST | Lake Wind Advisory | CHS | 10 hr |
| Feb 19, 3:14 PM EST | Wind Chill Advisory | CHS | 19 hr |
| Feb 20, 12:51 AM EST | Wind Chill Advisory | CHS | 9 hr |
| Feb 23, 3:27 AM EST | Freezing Rain Advisory | CHS | 39 hr |
| Feb 26, 1:26 AM EST | Areal Flood Advisory | CHS | 2 hr |
| Mar 2, 12:48 AM EST | Dense Fog Advisory | CHS | 9 hr |
| Mar 3, 10:14 AM EST | River Flood Warning | CHS | 8 days |
| Mar 3, 9:46 PM EST | Dense Fog Advisory | CHS | 11 hr |
| Mar 5, 3:39 AM EST | Lake Wind Advisory | CHS | 30 hr |
| Mar 5, 3:56 PM EST | Freeze Watch | CHS | 12 hr |
| Mar 6, 3:42 AM EST | Freeze Warning | CHS | 29 hr |
| Mar 6, 10:45 PM EST | Freeze Warning | CHS | 10 hr |
| Mar 7, 3:23 AM EST | Freeze Watch | CHS | 12 hr |
| Mar 7, 3:13 PM EST | Frost Advisory | CHS | 17 hr |
| Mar 7, 3:13 PM EST | Freeze Warning | CHS | 14 hr |
| Mar 14, 5:40 PM EDT | Special Weather Statement | CHS | 35 min |
| Mar 27, 3:42 PM EDT | Freeze Watch | CHS | 11 hr |
| Mar 28, 3:09 AM EDT | Freeze Warning | CHS | 30 hr |
| Apr 8, 12:45 AM EDT | Special Weather Statement | CHS | 15 min |
| Apr 8, 1:02 AM EDT | Special Weather Statement | CHS | 28 min |
| Apr 9, 4:58 PM EDT | Special Weather Statement | CHS | 32 min |
| Apr 15, 3:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 19, 1:04 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 19, 4:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 5:57 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Apr 19, 6:45 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Apr 19, 10:04 PM EDT | River Flood Warning | CHS | 18 days |
| Apr 25, 6:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 25, 6:28 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 26, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 11:00 PM EDT | Tropical Storm Watch | NHC | 45 hr |
| May 7, 11:19 PM EDT | Tropical Storm Watch | CHS | 45 hr |
| May 8, 4:16 PM EDT | Special Weather Statement | CHS | 29 min |
| May 9, 11:24 AM EDT | Lake Wind Advisory | CHS | 17 hr |
| May 10, 7:49 PM EDT | Special Weather Statement | CHS | 56 min |
| May 11, 2:15 PM EDT | Special Weather Statement | CHS | 30 min |
| May 11, 2:24 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| May 11, 3:01 PM EDT | Special Weather Statement | CHS | 29 min |
| May 12, 1:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 12, 6:45 PM EDT | Special Weather Statement | CHS | 45 min |
| May 14, 6:46 AM EDT | Dense Fog Advisory | CHS | 2 hr |
| May 20, 2:43 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| May 20, 3:10 PM EDT | Severe Thunderstorm Warning | CHS | 40 min |
| May 20, 3:27 PM EDT | Flash Flood Warning | CHS | 2 hr |
| May 20, 3:39 PM EDT | Special Weather Statement | CHS | 36 min |
| Jun 2, 12:24 PM EDT | Special Weather Statement | CHS | 51 min |
| Jun 2, 1:27 PM EDT | Areal Flood Advisory | CHS | 63 min |
| Jun 2, 4:10 PM EDT | Areal Flood Advisory | CHS | 95 min |
| Jun 2, 6:29 PM EDT | Areal Flood Advisory | CHS | 91 min |
| Jun 3, 3:07 AM EDT | Areal Flood Advisory | CHS | 113 min |
| Jun 3, 5:15 AM EDT | Areal Flood Advisory | CHS | 90 min |
| Jun 3, 6:15 AM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jun 3, 8:18 AM EDT | Areal Flood Advisory | CHS | 57 min |
| Jun 3, 9:13 AM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jun 4, 5:34 PM EDT | Special Weather Statement | CHS | 26 min |
| Jun 6, 6:40 PM EDT | Special Weather Statement | CHS | 35 min |
| Jun 9, 1:56 PM EDT | Special Weather Statement | CHS | 49 min |
| Jun 9, 2:12 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Jun 9, 3:15 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Jun 9, 3:43 PM EDT | Areal Flood Advisory | CHS | 62 min |
| Jun 9, 4:02 PM EDT | Areal Flood Advisory | CHS | 43 min |
| Jun 9, 4:03 PM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| Jun 9, 4:25 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Jun 9, 5:00 PM EDT | Severe Thunderstorm Warning | CHS | 43 min |
| Jun 10, 5:19 PM EDT | Special Weather Statement | CHS | 26 min |
| Jun 10, 5:49 PM EDT | Special Weather Statement | CHS | 26 min |
| Jun 11, 5:49 PM EDT | Special Weather Statement | CHS | 26 min |
| Jun 14, 3:34 PM EDT | Heat Advisory | CHS | 26 hr |
| Jun 15, 3:37 PM EDT | Heat Advisory | CHS | 26 hr |
| Jun 16, 3:28 PM EDT | Heat Advisory | CHS | 28 hr |
| Jun 17, 4:05 PM EDT | Heat Advisory | CHS | 27 hr |
| Jun 18, 3:28 PM EDT | Heat Advisory | CHS | 28 hr |
| Jun 19, 4:46 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jun 19, 5:39 PM EDT | Special Weather Statement | CHS | 36 min |
| Jun 20, 2:33 AM EDT | Heat Advisory | CHS | 16 hr |
| Jun 21, 2:43 AM EDT | Heat Advisory | CHS | 16 hr |
| Jun 21, 3:16 PM EDT | Heat Advisory | CHS | 27 hr |
| Jun 22, 3:42 PM EDT | Heat Advisory | CHS | 21 hr |
| Jun 22, 4:08 PM EDT | Special Weather Statement | CHS | 37 min |
| Jun 22, 4:13 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 22, 4:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 22, 5:09 PM EDT | Areal Flood Advisory | CHS | 111 min |
| Jun 22, 5:16 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jun 22, 5:54 PM EDT | Flash Flood Warning | CHS | 2 hr |
| Jun 23, 3:48 PM EDT | Heat Advisory | CHS | 27 hr |
| Jun 25, 12:10 AM EDT | Areal Flood Advisory | CHS | 80 min |
| Jun 25, 12:17 AM EDT | Areal Flood Advisory | CHS | 88 min |
| Jun 25, 12:33 AM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| Jun 25, 12:48 AM EDT | Flash Flood Warning | CHS | 117 min |
| Jun 25, 12:59 AM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jun 25, 1:02 AM EDT | Special Weather Statement | CHS | 43 min |
| Jun 26, 3:31 AM EDT | Heat Advisory | CHS | 15 hr |
| Jun 30, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 4:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 6:06 PM EDT | Special Weather Statement | CHS | 24 min |
| Jun 30, 6:11 PM EDT | Severe Thunderstorm Warning | CHS | 64 min |
| Jul 2, 2:58 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 2, 3:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 2, 6:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 2, 6:28 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jul 2, 7:07 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Jul 2, 7:57 PM EDT | Severe Thunderstorm Warning | CHS | 63 min |
| Jul 3, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 1:17 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Jul 3, 2:05 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Jul 3, 2:13 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jul 3, 3:13 PM EDT | Severe Thunderstorm Warning | CHS | 32 min |
| Jul 4, 1:15 AM EDT | Special Weather Statement | CHS | 30 min |
| Jul 4, 2:19 AM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Jul 4, 7:44 PM EDT | Special Weather Statement | CHS | 61 min |
| Jul 5, 3:00 PM EDT | Special Weather Statement | CHS | 45 min |
| Jul 5, 3:42 PM EDT | Special Weather Statement | CHS | 48 min |
| Jul 11, 9:40 PM EDT | Special Weather Statement | CHS | 35 min |
| Jul 13, 6:28 PM EDT | Special Weather Statement | CHS | 32 min |
| Jul 13, 6:50 PM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Jul 13, 9:01 PM EDT | Severe Thunderstorm Warning | CHS | 59 min |
| Jul 14, 1:43 AM EDT | Special Weather Statement | CHS | 62 min |
| Jul 14, 2:58 AM EDT | Special Weather Statement | CHS | 32 min |
| Jul 18, 8:38 PM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Jul 19, 3:32 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Jul 19, 3:43 PM EDT | Special Weather Statement | CHS | 47 min |
| Jul 19, 4:31 PM EDT | Severe Thunderstorm Warning | CHS | 44 min |
| Jul 21, 3:40 AM EDT | Heat Advisory | CHS | 16 hr |
| Jul 21, 3:28 PM EDT | Severe Thunderstorm Warning | CHS | 45 min |
| Jul 23, 5:47 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Jul 23, 10:10 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Jul 27, 5:28 AM EDT | Dense Fog Advisory | CHS | 3 hr |
| Jul 31, 5:48 PM EDT | Special Weather Statement | CHS | 27 min |
| Aug 2, 2:20 PM EDT | Areal Flood Advisory | CHS | 85 min |
| Aug 2, 10:54 PM EDT | Areal Flood Advisory | CHS | 96 min |
| Aug 2, 11:37 PM EDT | Areal Flood Advisory | CHS | 83 min |
| Aug 6, 2:52 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Aug 6, 6:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 6, 7:36 PM EDT | Special Weather Statement | CHS | 24 min |
| Aug 11, 6:51 PM EDT | Special Weather Statement | CHS | 24 min |
| Aug 11, 7:16 PM EDT | Special Weather Statement | CHS | 29 min |
| Aug 11, 7:30 PM EDT | Severe Thunderstorm Warning | CHS | 60 min |
| Aug 18, 2:30 PM EDT | Areal Flood Advisory | CHS | 90 min |
| Aug 18, 2:36 PM EDT | Special Weather Statement | CHS | 24 min |
| Aug 18, 3:12 PM EDT | Flash Flood Warning | CHS | 4 hr |
| Aug 18, 4:23 PM EDT | Areal Flood Advisory | CHS | 97 min |
| Aug 18, 4:38 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 19, 2:14 PM EDT | Special Weather Statement | CHS | 31 min |
| Aug 19, 3:24 PM EDT | Areal Flood Advisory | CHS | 51 min |
| Aug 19, 4:11 PM EDT | Areal Flood Advisory | CHS | 94 min |
| Aug 19, 4:24 PM EDT | Flash Flood Warning | CHS | 111 min |
| Aug 19, 6:18 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Aug 19, 6:47 PM EDT | Special Weather Statement | CHS | 28 min |
| Aug 19, 6:49 PM EDT | Special Weather Statement | CHS | 26 min |
| Aug 19, 6:54 PM EDT | Severe Thunderstorm Warning | CHS | 46 min |
| Aug 20, 2:55 PM EDT | Special Weather Statement | CHS | 35 min |
| Aug 20, 3:14 PM EDT | Special Weather Statement | CHS | 31 min |
| Aug 20, 3:44 PM EDT | Special Weather Statement | CHS | 31 min |
| Aug 20, 4:07 PM EDT | Special Weather Statement | CHS | 23 min |
| Aug 21, 4:15 PM EDT | Special Weather Statement | CHS | 30 min |
| Aug 22, 2:26 PM EDT | Areal Flood Advisory | CHS | 94 min |
| Aug 22, 7:48 PM EDT | Areal Flood Advisory | CHS | 87 min |
| Aug 23, 5:48 PM EDT | Areal Flood Advisory | CHS | 87 min |
| Aug 24, 5:18 PM EDT | Areal Flood Advisory | CHS | 87 min |
| Aug 26, 4:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 27, 3:14 AM EDT | Areal Flood Advisory | CHS | 91 min |
| Aug 27, 4:11 AM EDT | Areal Flood Advisory | CHS | 94 min |
| Aug 30, 1:48 PM EDT | Areal Flood Advisory | CHS | 87 min |
| Aug 31, 2:52 AM EDT | Areal Flood Advisory | CHS | 83 min |
| Aug 31, 3:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 31, 5:23 AM EDT | Areal Flood Advisory | CHS | 82 min |
| Aug 31, 5:56 AM EDT | Flash Flood Warning | CHS | 3 hr |
| Aug 31, 7:34 AM EDT | Areal Flood Advisory | CHS | 86 min |
| Aug 31, 8:59 AM EDT | Flash Flood Warning | CHS | 61 min |
| Aug 31, 10:04 AM EDT | Areal Flood Advisory | CHS | 86 min |
| Sep 10, 5:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 10, 7:31 PM EDT | Special Weather Statement | CHS | 59 min |
| Sep 10, 7:54 PM EDT | Severe Thunderstorm Warning | CHS | 66 min |
| Sep 10, 8:22 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Sep 24, 6:31 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Sep 24, 11:01 PM EDT | Flash Flood Watch | CHS | 5 hr |
| Sep 25, 12:45 AM EDT | Tornado Warning | CHS | 45 min |
| Sep 25, 1:49 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Sep 25, 1:50 AM EDT | Severe Thunderstorm Warning | CHS | 25 min |
| Sep 25, 2:11 AM EDT | Areal Flood Advisory | CHS | 94 min |
| Sep 29, 3:45 AM EDT | Dense Fog Advisory | CHS | 5 hr |
| Sep 30, 3:15 PM EDT | Areal Flood Advisory | CHS | 90 min |
| Sep 30, 5:26 PM EDT | Areal Flood Advisory | CHS | 64 min |
| Oct 1, 4:15 AM EDT | Flash Flood Watch | CHS | 5 days |
| Oct 2, 9:40 PM EDT | Areal Flood Advisory | CHS | 2 hr |
| Oct 2, 11:22 PM EDT | Flash Flood Warning | CHS | 18 hr |
| Oct 3, 3:34 AM EDT | Flash Flood Warning | CHS | 21 hr |
| Oct 3, 11:23 AM EDT | River Flood Warning | CHS | 20 days |
| Oct 3, 5:15 PM EDT | Flash Flood Warning | CHS | 3 hr |
| Oct 3, 8:16 PM EDT | Flash Flood Warning | CHS | 25 hr |
| Oct 3, 8:29 PM EDT | Severe Thunderstorm Warning | CHS | 46 min |
| Oct 3, 9:56 PM EDT | Special Weather Statement | CHS | 34 min |
| Oct 4, 12:05 AM EDT | Flash Flood Warning | CHS | 6 hr |
| Oct 4, 12:26 AM EDT | Severe Thunderstorm Warning | CHS | 31 min |
| Oct 4, 1:05 AM EDT | Special Weather Statement | CHS | 55 min |
| Oct 4, 5:42 AM EDT | Flash Flood Warning | CHS | 16 hr |
| Oct 4, 9:44 PM EDT | Flash Flood Warning | CHS | 17 hr |
| Oct 5, 3:49 AM EDT | Wind Advisory | CHS | 10 hr |
| Oct 5, 2:34 PM EDT | Areal Flood Warning | CHS | 4 days |
| Oct 10, 3:45 AM EDT | Flash Flood Watch | CHS | 21 hr |
| Oct 10, 12:20 PM EDT | Special Weather Statement | CHS | 40 min |
| Oct 10, 7:34 PM EDT | Areal Flood Advisory | CHS | 86 min |
| Oct 10, 9:12 PM EDT | Areal Flood Advisory | CHS | 63 min |
| Oct 10, 9:20 PM EDT | Areal Flood Advisory | CHS | 85 min |
| Oct 10, 10:39 PM EDT | Areal Flood Advisory | CHS | 3 hr |
| Oct 17, 3:41 AM EDT | Lake Wind Advisory | CHS | 35 hr |
| Oct 28, 6:26 PM EDT | Special Weather Statement | CHS | 49 min |
| Nov 2, 6:05 PM EST | Mesoscale Discussion | SPC | 115 min |
| Nov 2, 11:47 PM EST | Special Weather Statement | CHS | 28 min |
| Nov 3, 4:57 AM EST | Areal Flood Advisory | CHS | 2 hr |
| Nov 3, 9:50 AM EST | River Flood Warning | CHS | 133 days |
| Nov 6, 8:58 PM EST | Dense Fog Advisory | CHS | 12 hr |
| Nov 7, 3:15 PM EST | Lake Wind Advisory | CHS | 31 hr |
| Nov 8, 3:40 AM EST | Flash Flood Watch | CHS | 36 hr |
| Nov 9, 6:31 AM EST | Areal Flood Advisory | CHS | 119 min |
| Nov 9, 8:27 AM EST | Areal Flood Advisory | CHS | 2 hr |
| Nov 14, 3:47 AM EST | Frost Advisory | CHS | 29 hr |
| Nov 21, 3:36 PM EST | Freeze Watch | CHS | 21 hr |
| Nov 22, 3:35 AM EST | Lake Wind Advisory | CHS | 30 hr |
| Nov 22, 2:53 PM EST | Freeze Watch | CHS | 13 hr |
| Nov 23, 3:25 AM EST | Freeze Warning | CHS | 30 hr |
| Nov 24, 9:36 PM EST | Frost Advisory | CHS | 8 hr |
| Nov 24, 9:36 PM EST | Freeze Warning | CHS | 5 hr |
| Dec 8, 3:30 AM EST | Dense Fog Advisory | CHS | 7 hr |
| Dec 13, 11:50 PM EST | Dense Fog Advisory | CHS | 3 hr |
| Dec 17, 3:41 PM EST | Lake Wind Advisory | CHS | 33 hr |
| Dec 23, 2:21 PM EST | Mesoscale Discussion | SPC | 84 min |
| Dec 24, 5:33 PM EST | Dense Fog Advisory | CHS | 18 hr |
| Dec 25, 3:11 PM EST | Dense Fog Advisory | CHS | 21 hr |
| Dec 26, 3:31 PM EST | Dense Fog Advisory | CHS | 15 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 | 37 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 49 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 15 |
| River Flood Warning | 5 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 48 |
| Winter | |
| Freezing Rain Advisory | 1 |
| Heat | |
| Heat Advisory | 12 |
| Cold | |
| Freeze Warning | 6 |
| Freeze Watch | 5 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Lake Wind Advisory | 19 |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 13 |
| Tropical | |
| Tropical Storm Watch | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.