Alert archive / Virginia / Louisa County
Weather alerts in Louisa County, Virginia, 2022
154 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Louisa County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 154
- Warnings
- 36
- Watches
- 19
- Advisories
- 22
- Busiest month
- June33 alerts
- Busiest day
- May 27, 202211 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 5 tornado warnings covering Louisa County in 2022 had a tornado report inside them.
Louisa County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 0 | ||
| Severe thunderstorm warnings | 26 | 21 | 19% | 14 | 93% | 20 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 52 | 6 | 88% | 12 | 75% | 15 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 267 | 196 | 27% | 417 | 92% | 21 min |
| NWS Wakefield, VA: flash flood warnings | 33 | 21 | 36% | 41 | 100% | 37 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, 3:52 AM EST | Winter Storm Watch | AKQ | 11 hr |
| Jan 2, 2:50 PM EST | Winter Storm Warning | AKQ | 28 hr |
| Jan 3, 11:06 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 5, 3:28 PM EST | Winter Weather Advisory | AKQ | 41 hr |
| Jan 14, 10:10 AM EST | Winter Storm Watch | AKQ | 28 hr |
| Jan 15, 4:00 AM EST | Winter Storm Warning | AKQ | 47 hr |
| Jan 28, 4:00 AM EST | Winter Weather Advisory | AKQ | 31 hr |
| Feb 12, 3:13 PM EST | Winter Weather Advisory | AKQ | 22 hr |
| Feb 17, 2:45 PM EST | Wind Advisory | AKQ | 21 hr |
| Mar 7, 3:41 AM EST | Wind Advisory | AKQ | 15 hr |
| Mar 7, 6:59 PM EST | Special Weather Statement | AKQ | 46 min |
| Mar 11, 3:54 PM EST | Winter Weather Advisory | AKQ | 23 hr |
| Mar 12, 2:01 PM EST | Special Weather Statement | AKQ | 44 min |
| Mar 18, 3:23 AM EDT | Dense Fog Advisory | AKQ | 7 hr |
| Mar 24, 6:38 PM EDT | Special Weather Statement | AKQ | 52 min |
| Mar 31, 2:25 PM EDT | Tornado Watch | SPC | 8 hr |
| Mar 31, 7:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Apr 19, 3:22 AM EDT | Freeze Warning | AKQ | 29 hr |
| Apr 26, 1:16 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 2:25 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 26, 2:46 PM EDT | Severe Thunderstorm Warning | AKQ | 44 min |
| Apr 26, 3:28 PM EDT | Severe Thunderstorm Warning | AKQ | 47 min |
| May 4, 12:55 AM EDT | Special Weather Statement | AKQ | 50 min |
| May 4, 4:20 PM EDT | Special Weather Statement | AKQ | 25 min |
| May 6, 2:32 PM EDT | Tornado Watch | SPC | 9 hr |
| May 6, 8:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| May 6, 10:19 PM EDT | Special Weather Statement | AKQ | 56 min |
| May 13, 7:47 PM EDT | Special Weather Statement | AKQ | 28 min |
| May 14, 9:35 PM EDT | Dense Fog Advisory | AKQ | 11 hr |
| May 16, 2:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 3:40 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 6:03 PM EDT | Severe Thunderstorm Warning | AKQ | 42 min |
| May 22, 6:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| May 27, 6:01 AM EDT | Mesoscale Discussion | SPC | 119 min |
| May 27, 6:24 AM EDT | Tornado Watch | SPC | 8 hr |
| May 27, 8:13 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 10:10 AM EDT | Special Weather Statement | AKQ | 50 min |
| May 27, 4:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 27, 5:49 PM EDT | Special Weather Statement | AKQ | 41 min |
| May 27, 6:29 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| May 27, 7:01 PM EDT | Severe Thunderstorm Warning | AKQ | 44 min |
| May 27, 7:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| May 27, 7:40 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jun 1, 4:54 PM EDT | Special Weather Statement | AKQ | 51 min |
| Jun 2, 1:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 2, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 4:34 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Jun 2, 4:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jun 2, 5:04 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Jun 8, 2:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 3:49 PM EDT | Special Weather Statement | AKQ | 41 min |
| Jun 11, 8:25 PM EDT | Special Weather Statement | AKQ | 35 min |
| Jun 11, 8:50 PM EDT | Severe Thunderstorm Warning | AKQ | 40 min |
| Jun 12, 8:34 AM EDT | Areal Flood Advisory | AKQ | 116 min |
| Jun 12, 10:19 AM EDT | Flash Flood Warning | AKQ | 116 min |
| Jun 16, 2:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 16, 4:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 16, 5:17 PM EDT | Special Weather Statement | AKQ | 43 min |
| Jun 16, 5:45 PM EDT | Severe Thunderstorm Warning | AKQ | 45 min |
| Jun 16, 6:28 PM EDT | Severe Thunderstorm Warning | AKQ | 47 min |
| Jun 16, 6:36 PM EDT | Tornado Warning | AKQ | 39 min |
| Jun 16, 6:40 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jun 16, 6:52 PM EDT | Tornado Warning | AKQ | 23 min |
| Jun 16, 7:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 16, 7:14 PM EDT | Tornado Warning | AKQ | 31 min |
| Jun 16, 7:42 PM EDT | Tornado Warning | AKQ | 33 min |
| Jun 17, 3:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 17, 3:37 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 17, 4:44 PM EDT | Special Weather Statement | AKQ | 46 min |
| Jun 17, 5:30 PM EDT | Special Weather Statement | AKQ | 45 min |
| Jun 17, 5:38 PM EDT | Severe Thunderstorm Warning | AKQ | 52 min |
| Jun 22, 12:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 22, 2:22 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 22, 5:25 PM EDT | Special Weather Statement | AKQ | 50 min |
| Jun 22, 5:46 PM EDT | Severe Thunderstorm Warning | AKQ | 32 min |
| Jun 22, 6:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 2, 1:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 2, 3:02 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 4:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 5, 1:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 6, 4:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 4:31 PM EDT | Special Weather Statement | AKQ | 29 min |
| Jul 14, 5:10 PM EDT | Special Weather Statement | AKQ | 35 min |
| Jul 14, 10:49 PM EDT | Special Weather Statement | AKQ | 41 min |
| Jul 14, 11:51 PM EDT | Areal Flood Advisory | AKQ | 114 min |
| Jul 16, 1:36 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 16, 2:44 PM EDT | Severe Thunderstorm Warning | AKQ | 31 min |
| Jul 16, 4:59 PM EDT | Severe Thunderstorm Warning | AKQ | 24 min |
| Jul 17, 2:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 17, 7:22 PM EDT | Special Weather Statement | AKQ | 23 min |
| Jul 21, 12:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 1:06 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 3:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 6:17 PM EDT | Special Weather Statement | AKQ | 58 min |
| Jul 23, 7:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 25, 1:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 25, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 25, 3:37 PM EDT | Severe Thunderstorm Warning | AKQ | 38 min |
| Jul 25, 4:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 25, 4:15 PM EDT | Severe Thunderstorm Warning | AKQ | 32 min |
| Jul 26, 2:19 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Jul 27, 1:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 2:50 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jul 27, 3:30 PM EDT | Special Weather Statement | AKQ | 60 min |
| Jul 29, 12:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 1:02 PM EDT | Special Weather Statement | AKQ | 43 min |
| Jul 29, 1:25 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jul 29, 1:31 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 29, 1:38 PM EDT | Tornado Warning | AKQ | 37 min |
| Aug 4, 1:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 5:11 PM EDT | Special Weather Statement | AKQ | 64 min |
| Aug 5, 2:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Aug 5, 3:48 PM EDT | Flash Flood Watch | AKQ | 7 hr |
| Aug 5, 3:59 PM EDT | Special Weather Statement | AKQ | 61 min |
| Aug 5, 4:21 PM EDT | Severe Thunderstorm Warning | AKQ | 23 min |
| Aug 5, 4:59 PM EDT | Special Weather Statement | AKQ | 76 min |
| Aug 5, 5:34 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 5, 6:00 PM EDT | Severe Thunderstorm Warning | AKQ | 33 min |
| Aug 10, 10:15 AM EDT | Flood Watch | AKQ | 11 hr |
| Aug 10, 11:53 AM EDT | Heat Advisory | AKQ | 7 hr |
| Aug 10, 1:01 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 10, 3:41 PM EDT | Special Weather Statement | AKQ | 49 min |
| Aug 10, 4:51 PM EDT | Severe Thunderstorm Warning | AKQ | 39 min |
| Aug 10, 5:33 PM EDT | Severe Thunderstorm Warning | AKQ | 42 min |
| Aug 10, 5:50 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 21, 11:30 AM EDT | Special Weather Statement | AKQ | 45 min |
| Aug 22, 4:10 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 22, 6:28 PM EDT | Special Weather Statement | AKQ | 47 min |
| Aug 22, 6:50 PM EDT | Special Weather Statement | AKQ | 55 min |
| Aug 22, 7:11 PM EDT | Severe Thunderstorm Warning | AKQ | 49 min |
| Aug 22, 7:30 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 22, 8:05 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 30, 1:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 3:22 PM EDT | Special Weather Statement | AKQ | 38 min |
| Sep 11, 6:45 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Sep 12, 2:22 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 3:17 PM EDT | Special Weather Statement | AKQ | 43 min |
| Sep 12, 3:18 PM EDT | Special Weather Statement | AKQ | 42 min |
| Sep 12, 4:12 PM EDT | Special Weather Statement | AKQ | 48 min |
| Sep 13, 12:21 AM EDT | Severe Thunderstorm Warning | AKQ | 54 min |
| Sep 13, 1:18 AM EDT | Special Weather Statement | AKQ | 42 min |
| Oct 8, 3:25 AM EDT | Frost Advisory | AKQ | 29 hr |
| Oct 17, 3:19 PM EDT | Freeze Watch | AKQ | 12 hr |
| Oct 18, 3:04 AM EDT | Freeze Warning | AKQ | 30 hr |
| Oct 25, 2:58 AM EDT | Dense Fog Advisory | AKQ | 9 hr |
| Nov 11, 6:15 AM EST | Tornado Watch | SPC | 12 hr |
| Nov 11, 2:30 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 11, 6:05 PM EST | Mesoscale Discussion | SPC | 85 min |
| Nov 11, 8:26 PM EST | Special Weather Statement | AKQ | 64 min |
| Dec 14, 5:23 AM EST | Winter Weather Advisory | AKQ | 28 hr |
| Dec 22, 3:25 AM EST | Wind Chill Advisory | AKQ | 56 hr |
| Dec 22, 11:26 AM EST | Wind Advisory | AKQ | 35 hr |
| Dec 31, 3:24 AM EST | Dense Fog Advisory | AKQ | 7 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 | 26 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 40 |
| Special Weather Statement | 37 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
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.