Alert archive / North Carolina / Madison County
Weather alerts in Madison County, North Carolina, 2012
148 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Madison County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 148
- Warnings
- 40
- Watches
- 19
- Advisories
- 37
- Busiest month
- July28 alerts
- Busiest day
- March 3, 20127 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Madison County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 27 | 14 | 48% | 7 | 100% | 33 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Greenville-Spartanburg, SC: tornado warnings | 15 | 0 | 100% | 1 | 0% | |
| NWS Greenville-Spartanburg, SC: severe thunderstorm warnings | 581 | 410 | 29% | 722 | 89% | 23 min |
| NWS Greenville-Spartanburg, SC: flash flood warnings | 33 | 19 | 42% | 47 | 79% | 46 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, 10:36 AM EST | Lake Wind Advisory | GSP | 55 hr |
| Jan 1, 3:30 PM EST | Wind Chill Advisory | GSP | 45 hr |
| Jan 1, 3:30 PM EST | Winter Weather Advisory | GSP | 45 hr |
| Jan 3, 12:25 AM EST | Winter Storm Warning | GSP | 12 hr |
| Jan 9, 9:58 PM EST | Dense Fog Advisory | GSP | 11 hr |
| Jan 12, 4:04 AM EST | Winter Weather Advisory | GSP | 30 hr |
| Jan 14, 1:57 PM EST | Winter Weather Advisory | GSP | 17 hr |
| Jan 21, 7:44 AM EST | Severe Thunderstorm Warning | GSP | 61 min |
| Jan 21, 8:15 AM EST | Severe Thunderstorm Warning | GSP | 40 min |
| Jan 21, 9:57 AM EST | Areal Flood Advisory | GSP | 4 hr |
| Jan 24, 1:20 AM EST | Dense Fog Advisory | GSP | 10 hr |
| Feb 5, 7:56 AM EST | Dense Fog Advisory | GSP | 3 hr |
| Feb 10, 1:34 PM EST | Winter Weather Advisory | GSP | 40 hr |
| Feb 11, 4:20 AM EST | Wind Chill Advisory | GSP | 30 hr |
| Feb 18, 3:03 PM EST | Winter Storm Warning | GSP | 36 hr |
| Feb 18, 10:50 PM EST | Winter Storm Watch | GSP | 6 hr |
| Feb 19, 4:40 AM EST | Winter Weather Advisory | GSP | 22 hr |
| Feb 22, 9:22 PM EST | Special Weather Statement | GSP | 38 min |
| Feb 23, 2:38 PM EST | Wind Advisory | GSP | 51 hr |
| Feb 24, 9:05 AM EST | Mesoscale Discussion | SPC | 25 min |
| Feb 24, 9:17 AM EST | Tornado Watch | SPC | 7 hr |
| Feb 24, 12:00 PM EST | Mesoscale Discussion | SPC | 60 min |
| Feb 24, 2:41 PM EST | Fire Weather Watch | GSP | 15 hr |
| Feb 24, 3:24 PM EST | Mesoscale Discussion | SPC | 66 min |
| Feb 25, 3:31 AM EST | Red Flag Warning | GSP | 16 hr |
| Feb 29, 5:36 PM EST | Mesoscale Discussion | SPC | 54 min |
| Feb 29, 6:37 PM EST | Tornado Watch | SPC | 3 hr |
| Feb 29, 8:02 PM EST | Severe Thunderstorm Warning | GSP | 30 min |
| Mar 1, 12:20 AM EST | Mesoscale Discussion | SPC | 85 min |
| Mar 1, 2:52 AM EST | Special Weather Statement | GSP | 38 min |
| Mar 2, 2:58 PM EST | Mesoscale Discussion | SPC | 62 min |
| Mar 2, 3:14 PM EST | Severe Thunderstorm Warning | GSP | 23 min |
| Mar 2, 3:19 PM EST | Tornado Watch | SPC | 8 hr |
| Mar 2, 7:00 PM EST | Special Weather Statement | GSP | 60 min |
| Mar 2, 7:51 PM EST | Severe Thunderstorm Warning | GSP | 54 min |
| Mar 2, 8:15 PM EST | Mesoscale Discussion | SPC | 90 min |
| Mar 2, 8:44 PM EST | Severe Thunderstorm Warning | GSP | 50 min |
| Mar 2, 10:38 PM EST | Severe Thunderstorm Warning | GSP | 37 min |
| Mar 2, 10:54 PM EST | Tornado Watch | SPC | 6 hr |
| Mar 2, 11:03 PM EST | Severe Thunderstorm Warning | GSP | 42 min |
| Mar 4, 3:48 AM EST | Lake Wind Advisory | GSP | 16 hr |
| Mar 4, 2:47 PM EST | Winter Weather Advisory | GSP | 21 hr |
| Mar 5, 10:48 AM EST | Wind Advisory | GSP | 7 hr |
| Mar 15, 2:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 3:31 PM EDT | Severe Thunderstorm Warning | GSP | 59 min |
| Mar 15, 4:17 PM EDT | Severe Thunderstorm Warning | GSP | 58 min |
| Mar 15, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | 46 min |
| Mar 15, 5:19 PM EDT | Severe Thunderstorm Warning | GSP | 41 min |
| Mar 16, 7:23 PM EDT | Special Weather Statement | GSP | 67 min |
| Mar 20, 2:39 PM EDT | Special Weather Statement | GSP | 51 min |
| Apr 1, 2:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 1, 4:10 PM EDT | Severe Thunderstorm Warning | GSP | 65 min |
| Apr 3, 4:13 PM EDT | Special Weather Statement | GSP | 47 min |
| Apr 5, 1:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 5, 1:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 5, 3:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 6, 5:33 AM EDT | Frost Advisory | GSP | 28 hr |
| Apr 9, 11:10 AM EDT | Fire Weather Watch | GSP | 16 hr |
| Apr 9, 2:34 PM EDT | Freeze Watch | GSP | 13 hr |
| Apr 10, 3:15 AM EDT | Red Flag Warning | GSP | 17 hr |
| Apr 10, 3:27 AM EDT | Freeze Warning | GSP | 30 hr |
| Apr 10, 3:11 PM EDT | Freeze Watch | GSP | 20 hr |
| Apr 11, 11:06 AM EDT | Freeze Warning | GSP | 22 hr |
| Apr 11, 3:02 PM EDT | Freeze Watch | GSP | 24 hr |
| Apr 12, 2:49 PM EDT | Freeze Warning | GSP | 18 hr |
| Apr 17, 6:13 PM EDT | Special Weather Statement | GSP | 32 min |
| Apr 22, 10:22 PM EDT | Wind Advisory | GSP | 23 hr |
| Apr 23, 5:08 AM EDT | Freeze Warning | GSP | 27 hr |
| Apr 25, 7:10 PM EDT | Special Weather Statement | GSP | 35 min |
| Apr 26, 7:24 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Apr 26, 7:49 AM EDT | Severe Thunderstorm Warning | GSP | 56 min |
| Apr 26, 8:10 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 26, 2:29 PM EDT | Severe Thunderstorm Warning | GSP | 76 min |
| May 5, 8:11 AM EDT | Special Weather Statement | GSP | 64 min |
| May 6, 4:03 PM EDT | Special Weather Statement | GSP | 27 min |
| May 6, 5:09 PM EDT | Special Weather Statement | GSP | 36 min |
| May 15, 10:54 AM EDT | Flash Flood Watch | GSP | 17 hr |
| Jun 1, 1:28 PM EDT | Special Weather Statement | GSP | 47 min |
| Jun 1, 2:20 PM EDT | Special Weather Statement | GSP | 55 min |
| Jun 14, 7:04 PM EDT | Special Weather Statement | GSP | 26 min |
| Jun 18, 6:41 PM EDT | Special Weather Statement | GSP | 49 min |
| Jun 22, 2:21 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Jun 22, 5:22 PM EDT | Special Weather Statement | GSP | 38 min |
| Jun 22, 7:13 PM EDT | Areal Flood Advisory | GSP | 107 min |
| Jun 30, 7:53 PM EDT | Severe Thunderstorm Warning | GSP | 58 min |
| Jul 1, 11:10 PM EDT | Severe Thunderstorm Warning | GSP | 65 min |
| Jul 1, 11:55 PM EDT | Severe Thunderstorm Warning | GSP | 65 min |
| Jul 2, 12:27 AM EDT | Severe Thunderstorm Warning | GSP | 63 min |
| Jul 3, 12:49 PM EDT | Severe Thunderstorm Warning | GSP | 56 min |
| Jul 3, 6:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 5, 1:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Jul 5, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 5, 4:36 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Jul 6, 4:40 PM EDT | Severe Thunderstorm Warning | GSP | 65 min |
| Jul 9, 1:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 10, 5:14 PM EDT | Areal Flood Advisory | GSP | 106 min |
| Jul 17, 11:19 AM EDT | Areal Flood Advisory | GSP | 2 hr |
| Jul 18, 1:09 PM EDT | Special Weather Statement | GSP | 36 min |
| Jul 18, 4:04 PM EDT | Special Weather Statement | GSP | 41 min |
| Jul 19, 8:55 PM EDT | Special Weather Statement | GSP | 65 min |
| Jul 20, 11:42 PM EDT | Special Weather Statement | GSP | 93 min |
| Jul 23, 12:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 1:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jul 24, 2:36 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 24, 5:02 PM EDT | Severe Thunderstorm Warning | GSP | 58 min |
| Jul 25, 4:13 AM EDT | Special Weather Statement | GSP | 47 min |
| Jul 25, 4:56 AM EDT | Special Weather Statement | GSP | 49 min |
| Jul 25, 6:44 AM EDT | Special Weather Statement | GSP | 61 min |
| Jul 25, 8:02 AM EDT | Areal Flood Advisory | GSP | 118 min |
| Jul 25, 8:08 AM EDT | Areal Flood Advisory | GSP | 112 min |
| Jul 25, 3:11 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 28, 3:33 AM EDT | Special Weather Statement | GSP | 57 min |
| Jul 28, 1:57 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 1, 2:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 3, 3:39 PM EDT | Special Weather Statement | GSP | 51 min |
| Aug 5, 5:55 PM EDT | Areal Flood Advisory | GSP | 2 hr |
| Aug 5, 6:06 PM EDT | Flash Flood Warning | GSP | 6 hr |
| Aug 8, 6:13 AM EDT | Special Weather Statement | GSP | 47 min |
| Aug 8, 6:33 AM EDT | Areal Flood Advisory | GSP | 117 min |
| Aug 9, 2:17 PM EDT | Areal Flood Advisory | GSP | 103 min |
| Aug 10, 8:18 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 10, 8:35 PM EDT | Severe Thunderstorm Warning | GSP | 42 min |
| Aug 23, 4:54 PM EDT | Special Weather Statement | GSP | 36 min |
| Aug 23, 5:24 PM EDT | Special Weather Statement | GSP | 36 min |
| Aug 23, 5:46 PM EDT | Special Weather Statement | GSP | 29 min |
| Sep 17, 11:46 AM EDT | Flood Watch | GSP | 30 hr |
| Sep 23, 2:00 PM EDT | Frost Advisory | GSP | 19 hr |
| Sep 28, 2:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Oct 10, 3:25 AM EDT | Frost Advisory | GSP | 30 hr |
| Oct 20, 2:47 PM EDT | Frost Advisory | GSP | 18 hr |
| Oct 21, 5:46 PM EDT | Frost Advisory | GSP | 15 hr |
| Oct 28, 4:46 AM EDT | Winter Storm Watch | GSP | 11 hr |
| Oct 28, 5:21 AM EDT | Freeze Warning | GSP | 28 hr |
| Oct 28, 5:21 AM EDT | High Wind Watch | GSP | 11 hr |
| Oct 28, 5:21 AM EDT | High Wind Warning | GSP | 53 hr |
| Oct 28, 3:36 PM EDT | Winter Storm Warning | GSP | 61 hr |
| Oct 30, 1:02 PM EDT | Mesoscale Discussion | SPC | 5 hr |
| Oct 31, 4:09 AM EDT | Winter Weather Advisory | GSP | 8 hr |
| Dec 19, 3:19 PM EST | High Wind Watch | GSP | 12 hr |
| Dec 20, 3:44 AM EST | High Wind Warning | GSP | 56 hr |
| Dec 20, 4:06 AM EST | Winter Weather Advisory | GSP | 51 hr |
| Dec 24, 7:15 PM EST | Dense Fog Advisory | GSP | 15 hr |
| Dec 25, 3:04 PM EST | High Wind Warning | GSP | 21 hr |
| Dec 25, 3:04 PM EST | Wind Advisory | GSP | 27 hr |
| Dec 26, 4:11 AM EST | Winter Weather Advisory | GSP | 29 hr |
| Dec 26, 2:22 PM EST | High Wind Warning | GSP | 23 hr |
| Dec 28, 3:49 AM EST | Winter Weather Advisory | GSP | 27 hr |
| Dec 29, 6:56 AM EST | Winter Weather Advisory | GSP | 23 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 archive20112013
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.