Alert archive / North Carolina / McDowell County
Weather alerts in McDowell County, North Carolina, 2020
170 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McDowell County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 170
- Warnings
- 34
- Watches
- 21
- Advisories
- 60
- Busiest month
- July30 alerts
- Busiest day
- April 13, 20206 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
McDowell County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 14 | 9 | 36% | 12 | 83% | 23 min |
| Flash flood warnings | 7 | 5 | 29% | 22 | 50% | 58 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Greenville-Spartanburg, SC: tornado warnings | 61 | 13 | 79% | 25 | 72% | 14 min |
| NWS Greenville-Spartanburg, SC: severe thunderstorm warnings | 325 | 183 | 44% | 520 | 75% | 21 min |
| NWS Greenville-Spartanburg, SC: flash flood warnings | 79 | 42 | 47% | 138 | 71% | 121 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 4, 4:02 AM EST | Wind Advisory | GSP | 30 hr |
| Jan 6, 3:30 AM EST | Winter Weather Advisory | GSP | 35 hr |
| Jan 7, 2:30 PM EST | Wind Advisory | GSP | 28 hr |
| Jan 10, 2:47 PM EST | Wind Advisory | GSP | 34 hr |
| Jan 11, 5:38 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 11, 6:36 PM EST | Mesoscale Discussion | SPC | 84 min |
| Jan 11, 7:32 PM EST | Severe Thunderstorm Warning | GSP | 31 min |
| Jan 11, 7:53 PM EST | Severe Thunderstorm Warning | GSP | 52 min |
| Jan 11, 9:36 PM EST | Flash Flood Warning | GSP | 3 hr |
| Jan 14, 4:53 AM EST | Dense Fog Advisory | GSP | 5 hr |
| Jan 15, 3:49 AM EST | Dense Fog Advisory | GSP | 6 hr |
| Jan 15, 2:35 PM EST | Wind Advisory | GSP | 33 hr |
| Jan 19, 2:37 PM EST | Wind Chill Advisory | GSP | 19 hr |
| Jan 24, 8:48 PM EST | Dense Fog Advisory | GSP | 7 hr |
| Jan 27, 3:36 AM EST | Winter Weather Advisory | GSP | 23 hr |
| Feb 1, 2:56 AM EST | Dense Fog Advisory | GSP | 3 hr |
| Feb 2, 9:09 AM EST | Wind Advisory | GSP | 15 hr |
| Feb 5, 4:20 AM EST | Flash Flood Watch | GSP | 44 hr |
| Feb 6, 9:21 AM EST | Areal Flood Advisory | GSP | 72 min |
| Feb 6, 10:22 AM EST | Flash Flood Warning | GSP | 5 hr |
| Feb 6, 4:30 PM EST | Areal Flood Warning | GSP | 6 hr |
| Feb 6, 9:47 PM EST | Wind Advisory | GSP | 20 hr |
| Feb 19, 3:11 PM EST | Winter Weather Advisory | GSP | 33 hr |
| Feb 26, 3:51 AM EST | Dense Fog Advisory | GSP | 6 hr |
| Feb 26, 3:51 AM EST | Wind Advisory | GSP | 39 hr |
| Feb 26, 7:54 PM EST | High Wind Warning | GSP | 15 hr |
| Feb 29, 2:40 AM EST | Special Weather Statement | GSP | 65 min |
| Mar 5, 8:57 PM EST | Wind Advisory | GSP | 36 hr |
| Mar 18, 2:29 AM EDT | Dense Fog Advisory | GSP | 9 hr |
| Mar 24, 8:28 AM EDT | Dense Fog Advisory | GSP | 92 min |
| Apr 9, 3:12 AM EDT | Special Weather Statement | GSP | 33 min |
| Apr 9, 4:48 AM EDT | Wind Advisory | GSP | 15 hr |
| Apr 9, 8:28 PM EDT | Red Flag Warning | GSP | 24 hr |
| Apr 9, 9:35 PM EDT | Wind Advisory | GSP | 20 hr |
| Apr 10, 2:58 PM EDT | Frost Advisory | GSP | 18 hr |
| Apr 12, 3:56 AM EDT | Wind Advisory | GSP | 36 hr |
| Apr 12, 4:12 AM EDT | Flash Flood Watch | GSP | 28 hr |
| Apr 12, 11:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 13, 12:04 AM EDT | Severe Thunderstorm Warning | GSP | 26 min |
| Apr 13, 12:54 AM EDT | Areal Flood Advisory | GSP | 4 hr |
| Apr 13, 1:51 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 13, 2:46 AM EDT | Flash Flood Warning | GSP | 5 hr |
| Apr 13, 2:59 AM EDT | Areal Flood Advisory | GSP | 6 hr |
| Apr 15, 3:46 AM EDT | Frost Advisory | GSP | 28 hr |
| Apr 16, 2:50 PM EDT | Frost Advisory | GSP | 17 hr |
| Apr 18, 9:58 PM EDT | Frost Advisory | GSP | 11 hr |
| Apr 21, 3:03 AM EDT | Wind Advisory | GSP | 19 hr |
| Apr 29, 4:04 AM EDT | Flash Flood Watch | GSP | 22 hr |
| Apr 29, 10:10 PM EDT | Areal Flood Advisory | GSP | 5 hr |
| May 5, 3:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| May 5, 3:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 7, 3:42 AM EDT | Freeze Watch | GSP | 25 hr |
| May 8, 4:12 AM EDT | Freeze Warning | GSP | 30 hr |
| May 8, 2:49 PM EDT | Frost Advisory | GSP | 19 hr |
| May 8, 2:49 PM EDT | Freeze Watch | GSP | 13 hr |
| May 9, 4:10 AM EDT | Freeze Warning | GSP | 30 hr |
| May 11, 2:37 PM EDT | Frost Advisory | GSP | 19 hr |
| May 18, 2:51 PM EDT | Flash Flood Watch | GSP | 3 days |
| May 19, 12:27 PM EDT | Areal Flood Warning | GSP | 10 hr |
| May 19, 1:23 PM EDT | Flash Flood Warning | GSP | 3 hr |
| May 19, 5:36 PM EDT | Areal Flood Advisory | GSP | 5 hr |
| May 19, 10:00 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| May 19, 10:25 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| May 20, 11:26 AM EDT | Areal Flood Advisory | GSP | 6 hr |
| May 20, 12:43 PM EDT | Areal Flood Warning | GSP | 6 hr |
| May 20, 6:51 PM EDT | Areal Flood Warning | GSP | 6 hr |
| May 21, 3:32 AM EDT | Areal Flood Advisory | GSP | 3 days |
| May 22, 4:46 AM EDT | Dense Fog Advisory | GSP | 5 hr |
| May 22, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 23, 2:55 AM EDT | Dense Fog Advisory | GSP | 6 hr |
| May 24, 12:21 PM EDT | Special Weather Statement | GSP | 24 min |
| May 24, 1:07 PM EDT | Special Weather Statement | GSP | 38 min |
| May 24, 1:22 PM EDT | Severe Thunderstorm Warning | GSP | 31 min |
| May 24, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 2:51 PM EDT | Special Weather Statement | GSP | 39 min |
| Jun 4, 2:34 PM EDT | Special Weather Statement | GSP | 26 min |
| Jun 4, 7:49 PM EDT | Special Weather Statement | GSP | 26 min |
| Jun 5, 6:08 PM EDT | Special Weather Statement | GSP | 37 min |
| Jun 14, 12:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 19, 12:28 PM EDT | Special Weather Statement | GSP | 32 min |
| Jun 21, 7:54 PM EDT | Severe Thunderstorm Warning | GSP | 51 min |
| Jun 21, 8:25 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Jul 4, 6:05 PM EDT | Special Weather Statement | GSP | 25 min |
| Jul 17, 1:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 18, 12:43 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 18, 1:22 PM EDT | Special Weather Statement | GSP | 23 min |
| Jul 18, 1:55 PM EDT | Special Weather Statement | GSP | 35 min |
| Jul 18, 2:05 PM EDT | Severe Thunderstorm Warning | GSP | 40 min |
| Jul 20, 12:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 3:29 PM EDT | Severe Thunderstorm Warning | GSP | 46 min |
| Jul 21, 1:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 3:44 PM EDT | Severe Thunderstorm Warning | GSP | 31 min |
| Jul 21, 4:09 PM EDT | Severe Thunderstorm Warning | GSP | 51 min |
| Jul 22, 2:55 PM EDT | Special Weather Statement | GSP | 35 min |
| Jul 22, 3:33 PM EDT | Special Weather Statement | GSP | 27 min |
| Jul 22, 3:38 PM EDT | Severe Thunderstorm Warning | GSP | 32 min |
| Jul 22, 4:00 PM EDT | Special Weather Statement | GSP | 30 min |
| Jul 23, 11:31 AM EDT | Special Weather Statement | GSP | 29 min |
| Jul 23, 12:44 PM EDT | Special Weather Statement | GSP | 31 min |
| Jul 23, 1:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 3:16 PM EDT | Special Weather Statement | GSP | 29 min |
| Jul 23, 3:35 PM EDT | Special Weather Statement | GSP | 25 min |
| Jul 23, 6:47 PM EDT | Special Weather Statement | GSP | 28 min |
| Jul 25, 12:50 PM EDT | Special Weather Statement | GSP | 25 min |
| Jul 25, 2:00 PM EDT | Special Weather Statement | GSP | 15 min |
| Jul 26, 1:43 PM EDT | Special Weather Statement | GSP | 17 min |
| Jul 27, 3:24 PM EDT | Special Weather Statement | GSP | 36 min |
| Jul 28, 5:31 PM EDT | Special Weather Statement | GSP | 44 min |
| Jul 31, 6:50 PM EDT | Special Weather Statement | GSP | 25 min |
| Jul 31, 7:18 PM EDT | Special Weather Statement | GSP | 42 min |
| Jul 31, 7:37 PM EDT | Severe Thunderstorm Warning | GSP | 53 min |
| Jul 31, 7:43 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 31, 8:22 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Aug 2, 2:18 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Aug 2, 2:56 PM EDT | Flash Flood Watch | GSP | 29 hr |
| Aug 2, 4:28 PM EDT | Special Weather Statement | GSP | 32 min |
| Aug 2, 5:02 PM EDT | Special Weather Statement | GSP | 28 min |
| Aug 3, 2:59 AM EDT | Special Weather Statement | GSP | 31 min |
| Aug 3, 8:26 AM EDT | Areal Flood Advisory | GSP | 7 hr |
| Aug 3, 9:11 AM EDT | Flash Flood Warning | GSP | 3 hr |
| Aug 5, 1:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 6, 2:08 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 6, 3:48 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 13, 4:06 PM EDT | Special Weather Statement | GSP | 24 min |
| Aug 13, 4:31 PM EDT | Special Weather Statement | GSP | 29 min |
| Aug 13, 6:54 PM EDT | Special Weather Statement | GSP | 36 min |
| Aug 13, 7:36 PM EDT | Special Weather Statement | GSP | 24 min |
| Aug 14, 3:43 AM EDT | Flash Flood Watch | GSP | 41 hr |
| Aug 19, 3:03 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 19, 3:08 PM EDT | Severe Thunderstorm Warning | GSP | 52 min |
| Aug 19, 3:42 PM EDT | Severe Thunderstorm Warning | GSP | 34 min |
| Aug 21, 4:01 AM EDT | Flash Flood Watch | GSP | 26 hr |
| Aug 24, 7:50 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Aug 24, 8:34 PM EDT | Flash Flood Warning | GSP | 3 hr |
| Aug 25, 3:24 PM EDT | Areal Flood Advisory | GSP | 115 min |
| Aug 31, 12:59 AM EDT | Special Weather Statement | GSP | 46 min |
| Aug 31, 1:32 AM EDT | Special Weather Statement | GSP | 28 min |
| Aug 31, 2:00 AM EDT | Special Weather Statement | GSP | 45 min |
| Aug 31, 3:53 AM EDT | Flash Flood Watch | GSP | 22 hr |
| Sep 12, 7:47 PM EDT | Areal Flood Advisory | GSP | 3 hr |
| Sep 16, 5:14 AM EDT | Flash Flood Watch | GSP | 39 hr |
| Oct 10, 4:19 AM EDT | Flash Flood Watch | GSP | 42 hr |
| Oct 13, 2:33 AM EDT | Dense Fog Advisory | GSP | 6 hr |
| Oct 16, 4:36 AM EDT | Dense Fog Advisory | GSP | 4 hr |
| Oct 16, 11:11 AM EDT | Frost Advisory | GSP | 23 hr |
| Oct 17, 2:43 PM EDT | Frost Advisory | GSP | 18 hr |
| Oct 28, 6:08 AM EDT | Flash Flood Watch | GSP | 32 hr |
| Oct 28, 11:23 AM EDT | Tropical Storm Watch | GSP | 3 hr |
| Oct 28, 2:13 PM EDT | Tropical Storm Warning | GSP | 24 hr |
| Oct 29, 7:54 AM EDT | Areal Flood Advisory | GSP | 6 hr |
| Oct 29, 8:47 AM EDT | Flash Flood Warning | GSP | 6 hr |
| Oct 29, 2:44 PM EDT | Areal Flood Warning | GSP | 3 hr |
| Oct 30, 2:46 PM EDT | Frost Advisory | GSP | 19 hr |
| Oct 31, 7:33 PM EDT | High Wind Watch | GSP | 9 hr |
| Nov 1, 3:58 AM EST | Freeze Watch | GSP | 7 hr |
| Nov 1, 3:58 AM EST | Freeze Warning | GSP | 29 hr |
| Nov 1, 3:58 AM EST | Wind Advisory | GSP | 32 hr |
| Nov 2, 11:45 AM EST | Freeze Warning | GSP | 21 hr |
| Nov 10, 2:30 PM EST | Flood Watch | GSP | 47 hr |
| Nov 11, 3:14 AM EST | Special Weather Statement | GSP | 61 min |
| Nov 11, 4:16 AM EST | Special Weather Statement | GSP | 59 min |
| Nov 11, 4:57 AM EST | Areal Flood Advisory | GSP | 4 hr |
| Nov 11, 10:52 AM EST | Areal Flood Advisory | GSP | 9 hr |
| Nov 12, 3:22 AM EST | Areal Flood Advisory | GSP | 3 hr |
| Nov 15, 1:55 AM EST | Wind Advisory | GSP | 32 hr |
| Dec 15, 4:31 AM EST | Winter Weather Advisory | GSP | 41 hr |
| Dec 17, 2:48 AM EST | Dense Fog Advisory | GSP | 7 hr |
| Dec 21, 3:14 AM EST | Wind Advisory | GSP | 33 hr |
| Dec 21, 2:45 PM EST | High Wind Warning | GSP | 21 hr |
| Dec 23, 3:17 PM EST | Winter Weather Advisory | GSP | 49 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 | 14 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 41 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 7 |
| Flash Flood Watch | 11 |
| Flood Watch | 1 |
| Areal Flood Advisory | 18 |
| Winter | |
| Winter Weather Advisory | 5 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 3 |
| Frost Advisory | 9 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 15 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.