Alert archive / Virginia / Mecklenburg County
Weather alerts in Mecklenburg County, Virginia, 2021
117 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Mecklenburg County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 117
- Warnings
- 21
- Watches
- 15
- Advisories
- 20
- Busiest month
- April21 alerts
- Busiest day
- April 9, 202112 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 Mecklenburg County in 2021 had a tornado report inside them.
Mecklenburg County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 6 | 45% | 4 | 100% | 30 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 39 | 8 | 79% | 13 | 62% | 15 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 239 | 170 | 29% | 321 | 91% | 21 min |
| NWS Wakefield, VA: flash flood warnings | 63 | 49 | 22% | 114 | 99% | 66 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 7, 2:30 PM EST | Winter Weather Advisory | AKQ | 20 hr |
| Jan 16, 1:45 AM EST | Dense Fog Advisory | AKQ | 7 hr |
| Jan 27, 3:29 AM EST | Winter Weather Advisory | AKQ | 31 hr |
| Jan 29, 3:19 PM EST | Winter Storm Watch | AKQ | 13 hr |
| Jan 30, 4:34 AM EST | Winter Weather Advisory | AKQ | 38 hr |
| Jan 31, 7:26 PM EST | Winter Weather Advisory | AKQ | 15 hr |
| Feb 2, 7:58 AM EST | Special Weather Statement | AKQ | 2 hr |
| Feb 6, 3:35 AM EST | Winter Weather Advisory | AKQ | 35 hr |
| Feb 10, 3:45 AM EST | Winter Storm Watch | AKQ | 24 hr |
| Feb 11, 3:39 AM EST | Winter Weather Advisory | AKQ | 3 days |
| Feb 11, 3:11 PM EST | Winter Storm Watch | AKQ | 24 hr |
| Feb 12, 3:21 PM EST | Ice Storm Warning | AKQ | 37 hr |
| Feb 13, 2:21 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 14, 4:05 AM EST | Winter Weather Advisory | AKQ | 9 hr |
| Feb 16, 4:10 AM EST | Winter Storm Watch | AKQ | 35 hr |
| Feb 16, 7:49 AM EST | Areal Flood Warning | AKQ | 6 hr |
| Feb 17, 3:45 AM EST | Winter Storm Warning | AKQ | 56 hr |
| Feb 18, 4:28 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 18, 10:23 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 19, 4:56 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 28, 8:46 PM EST | Dense Fog Advisory | AKQ | 9 hr |
| Mar 10, 2:36 PM EST | Fire Weather Watch | AKQ | 12 hr |
| Mar 11, 3:03 AM EST | Red Flag Warning | AKQ | 16 hr |
| Mar 18, 5:09 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 18, 5:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Mar 18, 7:45 PM EDT | Severe Thunderstorm Warning | AKQ | 30 min |
| Mar 18, 7:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Mar 18, 7:59 PM EDT | Tornado Warning | AKQ | 31 min |
| Mar 25, 3:53 AM EDT | Dense Fog Advisory | AKQ | 6 hr |
| Mar 27, 4:28 PM EDT | Special Weather Statement | AKQ | 47 min |
| Mar 27, 4:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Mar 28, 1:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 31, 2:33 PM EDT | Special Weather Statement | AKQ | 42 min |
| Mar 31, 3:15 PM EDT | Special Weather Statement | AKQ | 45 min |
| Apr 9, 1:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 9, 3:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 4:10 PM EDT | Special Weather Statement | AKQ | 35 min |
| Apr 9, 4:14 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Apr 9, 4:57 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Apr 9, 5:13 PM EDT | Severe Thunderstorm Warning | AKQ | 47 min |
| Apr 9, 5:57 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Apr 9, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 9, 6:30 PM EDT | Special Weather Statement | AKQ | 45 min |
| Apr 9, 6:39 PM EDT | Severe Thunderstorm Warning | AKQ | 51 min |
| Apr 9, 6:41 PM EDT | Special Weather Statement | RNK | 34 min |
| Apr 9, 7:17 PM EDT | Severe Thunderstorm Warning | AKQ | 43 min |
| Apr 11, 1:28 AM EDT | Special Weather Statement | AKQ | 62 min |
| Apr 14, 4:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 5:47 PM EDT | Special Weather Statement | AKQ | 43 min |
| Apr 14, 5:56 PM EDT | Special Weather Statement | AKQ | 49 min |
| Apr 14, 6:25 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Apr 21, 3:13 PM EDT | Freeze Warning | AKQ | 17 hr |
| Apr 22, 12:04 PM EDT | Freeze Warning | AKQ | 20 hr |
| Apr 29, 3:09 PM EDT | Fire Weather Watch | AKQ | 16 hr |
| Apr 30, 3:34 AM EDT | Red Flag Warning | AKQ | 16 hr |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 4, 1:51 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 5:12 PM EDT | Special Weather Statement | AKQ | 48 min |
| May 24, 1:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 3:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 5:46 PM EDT | Special Weather Statement | AKQ | 44 min |
| May 28, 6:27 PM EDT | Special Weather Statement | AKQ | 48 min |
| May 29, 11:32 AM EDT | Special Weather Statement | AKQ | 58 min |
| Jun 3, 3:43 PM EDT | Special Weather Statement | AKQ | 32 min |
| Jun 4, 4:24 AM EDT | Special Weather Statement | AKQ | 51 min |
| Jun 9, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 3:33 PM EDT | Special Weather Statement | AKQ | 42 min |
| Jun 9, 3:51 PM EDT | Special Weather Statement | AKQ | 39 min |
| Jun 9, 4:18 PM EDT | Special Weather Statement | RNK | 42 min |
| Jun 9, 4:35 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jun 10, 2:39 PM EDT | Flash Flood Watch | AKQ | 33 hr |
| Jul 7, 3:22 PM EDT | Flash Flood Watch | AKQ | 36 hr |
| Jul 8, 12:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 4:37 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 9, 1:50 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jul 9, 2:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 11, 3:25 PM EDT | Special Weather Statement | AKQ | 35 min |
| Jul 17, 1:15 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 17, 10:22 PM EDT | Special Weather Statement | AKQ | 53 min |
| Jul 17, 11:09 PM EDT | Special Weather Statement | AKQ | 66 min |
| Jul 17, 11:19 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 18, 6:29 PM EDT | Special Weather Statement | AKQ | 61 min |
| Jul 18, 7:10 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jul 18, 11:28 PM EDT | Areal Flood Advisory | AKQ | 5 hr |
| Jul 26, 12:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 1:39 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 26, 3:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 9:15 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Jul 26, 9:47 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 27, 5:09 AM EDT | River Flood Warning | AKQ | 5 hr |
| Aug 1, 6:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 6, 3:11 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 8, 4:34 AM EDT | Dense Fog Advisory | AKQ | 5 hr |
| Aug 10, 6:48 PM EDT | Special Weather Statement | AKQ | 27 min |
| Aug 10, 7:28 PM EDT | Special Weather Statement | AKQ | 47 min |
| Aug 10, 8:18 PM EDT | Special Weather Statement | AKQ | 57 min |
| Aug 11, 2:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 11, 3:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 11, 4:08 PM EDT | Heat Advisory | AKQ | 51 hr |
| Aug 14, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 5:04 PM EDT | Special Weather Statement | AKQ | 41 min |
| Aug 14, 6:15 PM EDT | Severe Thunderstorm Warning | AKQ | 31 min |
| Aug 18, 8:00 AM EDT | Special Weather Statement | AKQ | 30 min |
| Aug 22, 3:29 PM EDT | Special Weather Statement | AKQ | 46 min |
| Sep 8, 7:08 PM EDT | Special Weather Statement | AKQ | 67 min |
| Sep 16, 4:45 PM EDT | Special Weather Statement | AKQ | 30 min |
| Oct 14, 4:55 AM EDT | Dense Fog Advisory | AKQ | 4 hr |
| Oct 25, 3:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Oct 25, 6:26 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Oct 25, 8:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Oct 25, 8:44 PM EDT | Severe Thunderstorm Warning | AKQ | 61 min |
| Oct 25, 9:44 PM EDT | Special Weather Statement | AKQ | 46 min |
| Nov 4, 3:19 AM EDT | Freeze Warning | AKQ | 30 hr |
| Dec 11, 6:28 PM EST | Special Weather Statement | AKQ | 47 min |
| Dec 18, 3:29 AM EST | Dense Fog Advisory | AKQ | 6 hr |
| Dec 30, 11:51 PM EST | Dense Fog Advisory | AKQ | 12 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 archive20202022
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.