Alert archive / North Carolina / Union County
Weather alerts in Union County, North Carolina, 2022
170 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 170
- Warnings
- 28
- Watches
- 13
- Advisories
- 35
- Busiest month
- July47 alerts
- Busiest day
- May 6, 20229 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Union County in 2022 had a tornado report inside them.
Union County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 21 | 12 | 43% | 11 | 73% | 17 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 17 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Greenville-Spartanburg, SC: tornado warnings | 38 | 5 | 87% | 15 | 40% | 24 min |
| NWS Greenville-Spartanburg, SC: severe thunderstorm warnings | 324 | 170 | 48% | 455 | 68% | 18 min |
| NWS Greenville-Spartanburg, SC: flash flood warnings | 32 | 10 | 69% | 30 | 73% | 126 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, 6:25 AM EST | Special Weather Statement | GSP | 35 min |
| Jan 2, 6:56 AM EST | Special Weather Statement | GSP | 49 min |
| Jan 2, 10:06 PM EST | Wind Advisory | GSP | 14 hr |
| Jan 13, 3:38 PM EST | Winter Storm Watch | GSP | 24 hr |
| Jan 14, 3:47 PM EST | Winter Storm Warning | GSP | 3 days |
| Jan 16, 11:59 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Jan 19, 4:32 AM EST | Winter Storm Watch | GSP | 23 hr |
| Jan 20, 3:59 AM EST | Winter Weather Advisory | GSP | 48 hr |
| Jan 27, 2:58 PM EST | Winter Weather Advisory | GSP | 45 hr |
| Feb 8, 12:03 AM EST | Dense Fog Advisory | GSP | 10 hr |
| Feb 17, 3:30 AM EST | Wind Advisory | GSP | 26 hr |
| Feb 18, 1:34 AM EST | Special Weather Statement | GSP | 26 min |
| Feb 23, 10:34 PM EST | Dense Fog Advisory | GSP | 11 hr |
| Mar 11, 6:39 AM EST | Dense Fog Advisory | GSP | 2 hr |
| Mar 11, 8:56 AM EST | Dense Fog Advisory | GSP | 2 hr |
| Mar 11, 4:37 PM EST | Wind Advisory | GSP | 32 hr |
| Mar 12, 3:47 AM EST | Mesoscale Discussion | SPC | 118 min |
| Mar 16, 7:01 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Mar 23, 4:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 26, 3:39 AM EDT | Red Flag Warning | GSP | 16 hr |
| Mar 31, 11:02 AM EDT | Special Weather Statement | GSP | 43 min |
| Mar 31, 11:41 AM EDT | Special Weather Statement | GSP | 49 min |
| Mar 31, 11:43 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Mar 31, 12:38 PM EDT | Special Weather Statement | GSP | 52 min |
| Mar 31, 12:50 PM EDT | Tornado Watch | SPC | 5 hr |
| Apr 1, 3:56 AM EDT | Frost Advisory | GSP | 29 hr |
| Apr 5, 8:20 PM EDT | Areal Flood Advisory | GSP | 105 min |
| Apr 9, 3:48 AM EDT | Frost Advisory | GSP | 29 hr |
| Apr 19, 3:19 AM EDT | Frost Advisory | GSP | 30 hr |
| Apr 26, 1:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 3:35 PM EDT | Special Weather Statement | GSP | 40 min |
| May 1, 4:17 PM EDT | Special Weather Statement | GSP | 43 min |
| May 1, 4:31 PM EDT | Special Weather Statement | CAE | 29 min |
| May 1, 4:33 PM EDT | Severe Thunderstorm Warning | GSP | 27 min |
| May 1, 5:00 PM EDT | Special Weather Statement | GSP | 45 min |
| May 1, 5:01 PM EDT | Special Weather Statement | GSP | 29 min |
| May 3, 3:51 PM EDT | Special Weather Statement | GSP | 24 min |
| May 3, 4:03 PM EDT | Severe Thunderstorm Warning | GSP | 23 min |
| May 4, 4:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 4, 5:43 PM EDT | Severe Thunderstorm Warning | GSP | 33 min |
| May 4, 6:03 PM EDT | Severe Thunderstorm Warning | GSP | 44 min |
| May 6, 1:05 PM EDT | Special Weather Statement | GSP | 25 min |
| May 6, 1:41 PM EDT | Tornado Watch | SPC | 6 hr |
| May 6, 2:24 PM EDT | Special Weather Statement | GSP | 36 min |
| May 6, 2:56 PM EDT | Special Weather Statement | GSP | 34 min |
| May 6, 5:59 PM EDT | Severe Thunderstorm Warning | GSP | 31 min |
| May 6, 6:08 PM EDT | Severe Thunderstorm Warning | GSP | 52 min |
| May 6, 6:22 PM EDT | Special Weather Statement | CAE | 23 min |
| May 6, 6:57 PM EDT | Special Weather Statement | GSP | 33 min |
| May 6, 7:28 PM EDT | Special Weather Statement | CAE | 32 min |
| May 15, 3:37 PM EDT | Special Weather Statement | GSP | 38 min |
| May 15, 5:44 PM EDT | Special Weather Statement | GSP | 31 min |
| May 21, 3:18 PM EDT | Special Weather Statement | GSP | 42 min |
| May 21, 3:34 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 21, 3:53 PM EDT | Special Weather Statement | GSP | 37 min |
| May 23, 1:08 PM EDT | Special Weather Statement | GSP | 37 min |
| May 23, 1:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| May 23, 7:00 PM EDT | Special Weather Statement | GSP | 30 min |
| May 23, 7:25 PM EDT | Tornado Warning | GSP | 25 min |
| May 26, 5:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 26, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 27, 5:00 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 5:53 AM EDT | Special Weather Statement | GSP | 37 min |
| Jun 3, 2:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 3, 3:35 PM EDT | Special Weather Statement | CAE | 40 min |
| Jun 3, 4:16 PM EDT | Severe Thunderstorm Warning | GSP | 48 min |
| Jun 9, 2:13 PM EDT | Special Weather Statement | GSP | 32 min |
| Jun 11, 6:21 PM EDT | Special Weather Statement | GSP | 24 min |
| Jun 13, 3:31 AM EDT | Excessive Heat Watch | GSP | 11 hr |
| Jun 13, 3:31 AM EDT | Heat Advisory | GSP | 16 hr |
| Jun 13, 2:49 PM EDT | Excessive Heat Warning | GSP | 22 hr |
| Jun 13, 2:49 PM EDT | Heat Advisory | GSP | 27 hr |
| Jun 14, 7:41 AM EDT | Severe Thunderstorm Warning | GSP | 49 min |
| Jun 14, 8:24 AM EDT | Special Weather Statement | CAE | 51 min |
| Jun 14, 8:34 AM EDT | Special Weather Statement | GSP | 26 min |
| Jun 15, 3:36 AM EDT | Heat Advisory | GSP | 16 hr |
| Jun 16, 10:41 AM EDT | Heat Advisory | GSP | 7 hr |
| Jun 16, 1:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 16, 4:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 16, 4:41 PM EDT | Severe Thunderstorm Warning | GSP | 34 min |
| Jun 16, 5:08 PM EDT | Severe Thunderstorm Warning | GSP | 52 min |
| Jun 16, 5:17 PM EDT | Special Weather Statement | GSP | 28 min |
| Jun 17, 2:51 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 17, 5:37 PM EDT | Special Weather Statement | GSP | 38 min |
| Jun 17, 5:39 PM EDT | Special Weather Statement | GSP | 36 min |
| Jun 17, 5:57 PM EDT | Severe Thunderstorm Warning | GSP | 33 min |
| Jun 17, 6:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 3, 6:13 PM EDT | Special Weather Statement | GSP | 47 min |
| Jul 5, 5:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 5, 8:05 PM EDT | Severe Thunderstorm Warning | GSP | 40 min |
| Jul 5, 8:44 PM EDT | Special Weather Statement | GSP | 31 min |
| Jul 6, 3:31 AM EDT | Heat Advisory | GSP | 15 hr |
| Jul 6, 5:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 6, 5:54 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 6, 6:49 PM EDT | Severe Thunderstorm Warning | GSP | 41 min |
| Jul 6, 7:30 PM EDT | Severe Thunderstorm Warning | GSP | 60 min |
| Jul 7, 3:45 AM EDT | Heat Advisory | GSP | 15 hr |
| Jul 7, 7:17 PM EDT | Severe Thunderstorm Warning | GSP | 32 min |
| Jul 8, 3:34 AM EDT | Heat Advisory | GSP | 15 hr |
| Jul 8, 6:20 PM EDT | Special Weather Statement | GSP | 40 min |
| Jul 8, 7:01 PM EDT | Special Weather Statement | GSP | 44 min |
| Jul 8, 11:44 PM EDT | Special Weather Statement | GSP | 46 min |
| Jul 9, 6:00 PM EDT | Special Weather Statement | GSP | 45 min |
| Jul 9, 6:17 PM EDT | Severe Thunderstorm Warning | GSP | 43 min |
| Jul 9, 8:17 PM EDT | Areal Flood Advisory | GSP | 106 min |
| Jul 13, 6:42 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Jul 15, 2:48 PM EDT | Special Weather Statement | GSP | 42 min |
| Jul 15, 3:32 PM EDT | Special Weather Statement | GSP | 43 min |
| Jul 16, 2:37 PM EDT | Severe Thunderstorm Warning | GSP | 23 min |
| Jul 16, 3:03 PM EDT | Special Weather Statement | GSP | 42 min |
| Jul 16, 3:22 PM EDT | Special Weather Statement | CAE | 38 min |
| Jul 16, 4:08 PM EDT | Special Weather Statement | GSP | 52 min |
| Jul 16, 4:24 PM EDT | Special Weather Statement | CAE | 36 min |
| Jul 16, 4:46 PM EDT | Special Weather Statement | GSP | 44 min |
| Jul 19, 6:47 PM EDT | Special Weather Statement | GSP | 28 min |
| Jul 19, 7:54 PM EDT | Special Weather Statement | GSP | 36 min |
| Jul 19, 8:21 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Jul 19, 8:32 PM EDT | Special Weather Statement | GSP | 28 min |
| Jul 19, 8:53 PM EDT | Flash Flood Warning | GSP | 4 hr |
| Jul 19, 9:18 PM EDT | Special Weather Statement | GSP | 42 min |
| Jul 19, 9:29 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Jul 20, 7:16 PM EDT | Special Weather Statement | GSP | 29 min |
| Jul 20, 7:23 PM EDT | Special Weather Statement | CAE | 37 min |
| Jul 20, 7:29 PM EDT | Special Weather Statement | GSP | 31 min |
| Jul 20, 7:42 PM EDT | Special Weather Statement | GSP | 33 min |
| Jul 20, 8:13 PM EDT | Special Weather Statement | GSP | 32 min |
| Jul 20, 8:33 PM EDT | Special Weather Statement | GSP | 27 min |
| Jul 20, 9:19 PM EDT | Areal Flood Advisory | GSP | 31 min |
| Jul 25, 6:54 PM EDT | Special Weather Statement | GSP | 36 min |
| Jul 25, 6:57 PM EDT | Special Weather Statement | GSP | 33 min |
| Jul 25, 7:27 PM EDT | Severe Thunderstorm Warning | GSP | 21 min |
| Jul 26, 1:18 PM EDT | Special Weather Statement | GSP | 27 min |
| Jul 26, 4:00 PM EDT | Special Weather Statement | GSP | 30 min |
| Jul 29, 6:02 PM EDT | Special Weather Statement | GSP | 43 min |
| Aug 3, 6:33 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 8, 7:01 PM EDT | Special Weather Statement | GSP | 29 min |
| Aug 8, 7:30 PM EDT | Special Weather Statement | GSP | 30 min |
| Aug 8, 7:58 PM EDT | Special Weather Statement | GSP | 47 min |
| Aug 8, 8:18 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 8, 8:41 PM EDT | Special Weather Statement | GSP | 34 min |
| Aug 9, 5:17 PM EDT | Special Weather Statement | GSP | 28 min |
| Aug 10, 4:10 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Aug 12, 6:12 PM EDT | Severe Thunderstorm Warning | GSP | 48 min |
| Aug 12, 6:40 PM EDT | Severe Thunderstorm Warning | GSP | 47 min |
| Aug 15, 3:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Aug 15, 4:11 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 15, 6:20 PM EDT | Special Weather Statement | GSP | 40 min |
| Aug 15, 7:14 PM EDT | Areal Flood Advisory | GSP | 2 hr |
| Aug 27, 4:03 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 28, 5:02 PM EDT | Special Weather Statement | GSP | 28 min |
| Sep 5, 5:36 PM EDT | Special Weather Statement | GSP | 54 min |
| Sep 5, 6:33 PM EDT | Special Weather Statement | GSP | 57 min |
| Sep 11, 12:20 AM EDT | Special Weather Statement | GSP | 70 min |
| Sep 12, 3:45 PM EDT | Special Weather Statement | GSP | 45 min |
| Sep 29, 11:17 AM EDT | Tropical Storm Warning | GSP | 36 hr |
| Sep 29, 3:10 PM EDT | Flood Watch | GSP | 36 hr |
| Oct 17, 3:19 AM EDT | Freeze Watch | GSP | 24 hr |
| Oct 18, 2:57 AM EDT | Freeze Warning | GSP | 30 hr |
| Nov 1, 3:49 AM EDT | Dense Fog Advisory | GSP | 6 hr |
| Nov 7, 3:42 AM EST | Dense Fog Advisory | GSP | 6 hr |
| Nov 10, 4:03 AM EST | Wind Advisory | GSP | 37 hr |
| Nov 11, 5:36 AM EST | Mesoscale Discussion | SPC | 54 min |
| Nov 11, 6:15 AM EST | Tornado Watch | SPC | 12 hr |
| Nov 11, 2:40 PM EST | Special Weather Statement | GSP | 35 min |
| Dec 6, 6:13 PM EST | Dense Fog Advisory | GSP | 17 hr |
| Dec 7, 9:21 PM EST | Dense Fog Advisory | GSP | 13 hr |
| Dec 16, 7:24 AM EST | Dense Fog Advisory | GSP | 96 min |
| Dec 22, 3:41 AM EST | Wind Advisory | GSP | 47 hr |
| Dec 22, 3:51 AM EST | Wind Chill Advisory | GSP | 3 days |
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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 76 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Tropical | |
| Tropical Storm Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.