Alert archive / North Carolina / Jackson County
Weather alerts in Jackson County, North Carolina, 2011
210 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jackson County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 210
- Warnings
- 53
- Watches
- 34
- Advisories
- 53
- Busiest month
- June55 alerts
- Busiest day
- May 26, 201110 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 4 tornado warnings covering Jackson County in 2011 had a tornado report inside them.
Jackson County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 1 | 75% | 0 | ||
| Severe thunderstorm warnings | 33 | 25 | 24% | 11 | 100% | 21 min |
| Flash flood warnings | 3 | 2 | 33% | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Greenville-Spartanburg, SC: tornado warnings | 42 | 11 | 74% | 25 | 96% | 21 min |
| NWS Greenville-Spartanburg, SC: severe thunderstorm warnings | 693 | 551 | 20% | 1,309 | 89% | 26 min |
| NWS Greenville-Spartanburg, SC: flash flood warnings | 31 | 20 | 35% | 46 | 85% | 105 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 |
|---|---|---|---|
| Dec 31, 8:42 PM EST | Lake Wind Advisory | GSP | 20 hr |
| Dec 31, 8:42 PM EST | Wind Advisory | GSP | 20 hr |
| Jan 5, 12:03 PM EST | Winter Weather Advisory | GSP | 23 hr |
| Jan 6, 3:56 AM EST | Winter Weather Advisory | GSP | 59 hr |
| Jan 8, 3:32 AM EST | Lake Wind Advisory | GSP | 14 hr |
| Jan 8, 4:20 AM EST | Winter Storm Watch | GSP | 35 hr |
| Jan 8, 6:24 PM EST | Wind Chill Advisory | GSP | 15 hr |
| Jan 9, 3:53 AM EST | Winter Storm Warning | GSP | 53 hr |
| Jan 9, 11:56 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 11, 3:47 AM EST | Winter Weather Advisory | GSP | 56 hr |
| Jan 12, 2:25 AM EST | Lake Wind Advisory | GSP | 23 hr |
| Jan 20, 3:01 PM EST | Winter Weather Advisory | GSP | 13 hr |
| Jan 25, 3:47 AM EST | Winter Storm Watch | GSP | 12 hr |
| Jan 25, 3:27 PM EST | Winter Weather Advisory | GSP | 29 hr |
| Feb 1, 4:35 AM EST | Wind Advisory | GSP | 43 hr |
| Feb 3, 3:22 PM EST | Freezing Rain Advisory | GSP | 24 hr |
| Feb 3, 6:54 PM EST | Winter Weather Advisory | GSP | 8 hr |
| Feb 9, 10:58 AM EST | Winter Weather Advisory | GSP | 16 hr |
| Feb 13, 2:42 PM EST | Fire Weather Watch | GSP | 12 hr |
| Feb 14, 2:17 AM EST | Red Flag Warning | GSP | 19 hr |
| Feb 14, 3:40 AM EST | Wind Advisory | GSP | 20 hr |
| Feb 19, 4:24 AM EST | Red Flag Warning | GSP | 17 hr |
| Feb 24, 2:18 PM EST | Lake Wind Advisory | GSP | 28 hr |
| Feb 25, 2:11 AM EST | High Wind Warning | GSP | 4 hr |
| Feb 25, 2:11 AM EST | Lake Wind Advisory | GSP | 3 hr |
| Feb 25, 4:41 AM EST | Wind Advisory | GSP | 13 hr |
| Feb 27, 8:21 PM EST | Lake Wind Advisory | GSP | 23 hr |
| Feb 28, 3:46 AM EST | Wind Advisory | GSP | 14 hr |
| Feb 28, 1:29 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 28, 3:57 PM EST | Severe Thunderstorm Warning | GSP | 63 min |
| Feb 28, 4:36 PM EST | Mesoscale Discussion | SPC | 84 min |
| Mar 5, 3:31 AM EST | Lake Wind Advisory | GSP | 37 hr |
| Mar 5, 2:49 PM EST | Flood Watch | GSP | 24 hr |
| Mar 6, 12:22 AM EST | Flash Flood Warning | GSP | 6 hr |
| Mar 6, 5:28 AM EST | Areal Flood Advisory | GSP | 3 hr |
| Mar 6, 6:29 AM EST | Flash Flood Warning | GSP | 4 hr |
| Mar 6, 10:21 AM EST | Areal Flood Warning | GSP | 3 hr |
| Mar 6, 12:42 PM EST | Areal Flood Advisory | GSP | 6 hr |
| Mar 8, 2:57 AM EST | Flood Watch | GSP | 58 hr |
| Mar 9, 11:02 AM EST | Areal Flood Advisory | GSP | 6 hr |
| Mar 10, 4:07 AM EST | Lake Wind Advisory | GSP | 38 hr |
| Mar 22, 3:51 PM EDT | Fire Weather Watch | GSP | 11 hr |
| Mar 23, 2:45 AM EDT | Lake Wind Advisory | GSP | 24 hr |
| Mar 23, 2:54 AM EDT | Red Flag Warning | GSP | 17 hr |
| Mar 23, 3:45 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 23, 4:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Mar 23, 7:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Mar 23, 8:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Mar 23, 9:21 PM EDT | Mesoscale Discussion | SPC | 24 min |
| Mar 23, 9:41 PM EDT | Tornado Watch | SPC | 2 hr |
| Mar 24, 3:09 AM EDT | Freeze Warning | GSP | 30 hr |
| Mar 28, 2:51 PM EDT | Frost Advisory | GSP | 18 hr |
| Mar 31, 4:11 AM EDT | Freeze Warning | GSP | 29 hr |
| Apr 1, 2:51 PM EDT | Wind Advisory | GSP | 29 hr |
| Apr 2, 2:53 PM EDT | Freeze Warning | GSP | 18 hr |
| Apr 3, 2:44 PM EDT | Lake Wind Advisory | GSP | 51 hr |
| Apr 4, 10:41 AM EDT | Wind Advisory | GSP | 17 hr |
| Apr 4, 3:01 PM EDT | Freeze Watch | GSP | 13 hr |
| Apr 4, 4:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 4, 5:37 PM EDT | Special Weather Statement | GSP | 38 min |
| Apr 4, 6:20 PM EDT | Special Weather Statement | GSP | 40 min |
| Apr 4, 9:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Apr 4, 9:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 4, 10:14 PM EDT | Severe Thunderstorm Warning | GSP | 61 min |
| Apr 4, 11:06 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Apr 5, 4:08 AM EDT | Freeze Warning | GSP | 29 hr |
| Apr 6, 4:44 AM EDT | Frost Advisory | GSP | 28 hr |
| Apr 9, 12:34 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 9, 2:00 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 9, 3:43 PM EDT | Severe Thunderstorm Warning | GSP | 62 min |
| Apr 9, 4:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 9, 6:16 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 11, 7:42 PM EDT | Mesoscale Discussion | SPC | 33 min |
| Apr 11, 8:08 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 11, 9:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 12, 1:21 AM EDT | Lake Wind Advisory | GSP | 19 hr |
| Apr 12, 2:39 AM EDT | Mesoscale Discussion | SPC | 36 min |
| Apr 13, 2:43 PM EDT | Frost Advisory | GSP | 18 hr |
| Apr 15, 4:10 AM EDT | Lake Wind Advisory | GSP | 36 hr |
| Apr 16, 3:52 PM EDT | Lake Wind Advisory | GSP | 14 hr |
| Apr 16, 3:52 PM EDT | Wind Advisory | GSP | 4 hr |
| Apr 20, 7:55 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 26, 11:31 AM EDT | Flash Flood Watch | GSP | 11 hr |
| Apr 27, 3:27 AM EDT | Lake Wind Advisory | GSP | 28 hr |
| Apr 27, 6:41 PM EDT | Mesoscale Discussion | SPC | 34 min |
| Apr 27, 6:52 PM EDT | Tornado Watch | SPC | 9 hr |
| Apr 27, 11:22 PM EDT | Tornado Warning | GSP | 38 min |
| Apr 28, 12:04 AM EDT | Tornado Warning | GSP | 41 min |
| Apr 28, 12:09 AM EDT | Mesoscale Discussion | SPC | 36 min |
| Apr 28, 12:41 AM EDT | Tornado Warning | GSP | 34 min |
| Apr 28, 12:54 AM EDT | Tornado Warning | GSP | 51 min |
| Apr 28, 12:56 AM EDT | Tornado Watch | SPC | 4 hr |
| May 4, 4:17 AM EDT | Frost Advisory | GSP | 29 hr |
| May 4, 4:17 AM EDT | Freeze Warning | GSP | 29 hr |
| May 10, 10:18 PM EDT | Mesoscale Discussion | SPC | 27 min |
| May 11, 3:52 PM EDT | Special Weather Statement | GSP | 38 min |
| May 11, 3:55 PM EDT | Severe Thunderstorm Warning | GSP | 48 min |
| May 11, 5:13 PM EDT | Severe Thunderstorm Warning | GSP | 32 min |
| May 11, 5:15 PM EDT | Severe Thunderstorm Warning | GSP | 60 min |
| May 11, 6:06 PM EDT | Mesoscale Discussion | SPC | 54 min |
| May 11, 6:49 PM EDT | Severe Thunderstorm Warning | GSP | 56 min |
| May 12, 4:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 4:30 AM EDT | Dense Fog Advisory | GSP | 5 hr |
| May 13, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 3:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 22, 4:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| May 22, 5:40 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 7:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 26, 10:15 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 26, 3:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 26, 3:46 PM EDT | Severe Thunderstorm Warning | GSP | 59 min |
| May 26, 4:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 26, 4:43 PM EDT | Severe Thunderstorm Warning | GSP | 62 min |
| May 26, 4:56 PM EDT | Severe Thunderstorm Warning | GSP | 64 min |
| May 26, 5:10 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 5:54 PM EDT | Severe Thunderstorm Warning | GSP | 51 min |
| May 26, 6:38 PM EDT | Severe Thunderstorm Warning | GSP | 67 min |
| May 26, 7:20 PM EDT | Severe Thunderstorm Warning | GSP | 55 min |
| May 30, 6:13 PM EDT | Special Weather Statement | GSP | 32 min |
| Jun 1, 3:38 PM EDT | Severe Thunderstorm Warning | GSP | 67 min |
| Jun 1, 4:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 1, 4:45 PM EDT | Special Weather Statement | GSP | 45 min |
| Jun 1, 4:51 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Jun 1, 5:14 PM EDT | Severe Thunderstorm Warning | GSP | 36 min |
| Jun 1, 6:01 PM EDT | Special Weather Statement | GSP | 44 min |
| Jun 1, 6:19 PM EDT | Special Weather Statement | GSP | 26 min |
| Jun 2, 1:52 PM EDT | Severe Thunderstorm Warning | GSP | 53 min |
| Jun 2, 2:50 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jun 3, 5:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 4:01 PM EDT | Special Weather Statement | GSP | 44 min |
| Jun 5, 5:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 6, 4:40 PM EDT | Severe Thunderstorm Warning | GSP | 28 min |
| Jun 6, 5:09 PM EDT | Special Weather Statement | GSP | 36 min |
| Jun 7, 6:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 8, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | 55 min |
| Jun 9, 12:50 PM EDT | Severe Thunderstorm Warning | GSP | 55 min |
| Jun 9, 1:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 10, 1:53 PM EDT | Special Weather Statement | GSP | 52 min |
| Jun 11, 1:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 12, 1:48 PM EDT | Special Weather Statement | GSP | 57 min |
| Jun 15, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 15, 4:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 15, 5:03 PM EDT | Severe Thunderstorm Warning | GSP | 57 min |
| Jun 15, 5:26 PM EDT | Severe Thunderstorm Warning | GSP | 38 min |
| Jun 15, 6:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 9:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 18, 1:17 PM EDT | Severe Thunderstorm Warning | GSP | 73 min |
| Jun 18, 1:56 PM EDT | Severe Thunderstorm Warning | GSP | 64 min |
| Jun 18, 2:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 18, 2:29 PM EDT | Severe Thunderstorm Warning | GSP | 48 min |
| Jun 19, 9:59 AM EDT | Special Weather Statement | GSP | 46 min |
| Jun 19, 1:18 PM EDT | Special Weather Statement | GSP | 27 min |
| Jun 19, 1:45 PM EDT | Special Weather Statement | GSP | 30 min |
| Jun 19, 2:22 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 19, 4:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 19, 9:07 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 19, 9:41 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 19, 11:46 PM EDT | Special Weather Statement | GSP | 44 min |
| Jun 19, 11:55 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Jun 20, 5:05 AM EDT | Severe Thunderstorm Warning | GSP | 55 min |
| Jun 21, 2:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 22, 5:38 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 22, 5:59 PM EDT | Special Weather Statement | GSP | 46 min |
| Jun 22, 6:08 PM EDT | Severe Thunderstorm Warning | GSP | 52 min |
| Jun 22, 6:10 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Jun 24, 1:05 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 24, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 26, 10:59 AM EDT | Special Weather Statement | GSP | 46 min |
| Jun 26, 11:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 26, 6:29 PM EDT | Mesoscale Discussion | SPC | 46 min |
| Jun 27, 2:07 PM EDT | Special Weather Statement | GSP | 38 min |
| Jun 28, 2:04 PM EDT | Special Weather Statement | GSP | 26 min |
| Jun 28, 2:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 2, 3:21 PM EDT | Special Weather Statement | GSP | 24 min |
| Jul 3, 4:18 PM EDT | Severe Thunderstorm Warning | GSP | 40 min |
| Jul 4, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 4, 2:13 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Jul 23, 3:29 PM EDT | Special Weather Statement | GSP | 46 min |
| Aug 4, 12:35 AM EDT | Severe Thunderstorm Warning | GSP | 27 min |
| Aug 8, 3:13 PM EDT | Special Weather Statement | GSP | 47 min |
| Aug 12, 1:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 1:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 14, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 18, 2:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 2:31 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 4, 12:33 PM EDT | Flash Flood Watch | GSP | 51 hr |
| Sep 30, 3:22 PM EDT | Lake Wind Advisory | GSP | 36 hr |
| Oct 2, 1:52 PM EDT | Frost Advisory | GSP | 20 hr |
| Oct 3, 3:45 AM EDT | Frost Advisory | GSP | 29 hr |
| Oct 13, 2:47 PM EDT | Lake Wind Advisory | GSP | 28 hr |
| Oct 15, 3:33 AM EDT | Frost Advisory | GSP | 29 hr |
| Oct 19, 3:40 AM EDT | Lake Wind Advisory | GSP | 39 hr |
| Oct 20, 4:03 AM EDT | Freeze Warning | GSP | 29 hr |
| Oct 20, 2:49 PM EDT | Freeze Watch | GSP | 24 hr |
| Oct 21, 2:30 PM EDT | Freeze Warning | GSP | 20 hr |
| Oct 29, 11:06 AM EDT | Lake Wind Advisory | GSP | 8 hr |
| Nov 4, 4:21 AM EDT | Lake Wind Advisory | GSP | 15 hr |
| Nov 21, 1:27 PM EST | Special Weather Statement | GSP | 48 min |
| Nov 23, 3:33 AM EST | Lake Wind Advisory | GSP | 18 hr |
| Nov 27, 2:50 PM EST | Flood Watch | GSP | 20 hr |
| Nov 27, 10:23 PM EST | Lake Wind Advisory | GSP | 24 hr |
| Nov 28, 10:55 AM EST | Flood Watch | GSP | 16 hr |
| Nov 28, 12:28 PM EST | Flash Flood Warning | GSP | 6 hr |
| Nov 28, 9:59 PM EST | Winter Weather Advisory | GSP | 32 hr |
| Dec 6, 9:47 PM EST | Winter Weather Advisory | GSP | 28 hr |
| Dec 21, 9:24 PM EST | Dense Fog Advisory | GSP | 13 hr |
| Dec 22, 2:02 PM EST | Mesoscale Discussion | SPC | 118 min |
| Dec 22, 6:25 PM EST | Mesoscale Discussion | SPC | 95 min |
| Dec 27, 3:29 AM EST | Wind Advisory | GSP | 27 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 archive20102012
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.