Alert archive / Virginia / Accomack County
Weather alerts in Accomack County, Virginia, 2021
108 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Accomack County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 108
- Warnings
- 12
- Watches
- 11
- Advisories
- 32
- Busiest month
- July20 alerts
- Busiest day
- July 8, 20215 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Accomack County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 2 | 78% | 1 | 100% | 11 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 27, 9:03 AM EST | Wind Advisory | AKQ | 33 hr |
| Jan 30, 4:34 AM EST | Winter Weather Advisory | AKQ | 38 hr |
| Jan 31, 2:05 PM EST | Coastal Flood Advisory | AKQ | 16 hr |
| Feb 1, 4:08 AM EST | Coastal Flood Advisory | AKQ | 9 hr |
| Feb 1, 3:23 PM EST | Coastal Flood Statement | AKQ | 12 hr |
| Feb 2, 6:53 AM EST | Coastal Flood Advisory | AKQ | 24 hr |
| Feb 11, 3:39 AM EST | Winter Weather Advisory | AKQ | 3 days |
| Feb 22, 2:19 PM EST | Severe Thunderstorm Warning | AKQ | 41 min |
| Mar 13, 7:09 PM EST | Fire Weather Watch | AKQ | 8 hr |
| Mar 14, 4:05 AM EDT | Red Flag Warning | AKQ | 16 hr |
| Mar 18, 4:11 AM EDT | Wind Advisory | AKQ | 45 hr |
| Mar 18, 2:08 PM EDT | High Surf Advisory | AKQ | 60 hr |
| Mar 18, 6:52 PM EDT | Special Weather Statement | AKQ | 38 min |
| Mar 19, 4:32 AM EDT | Coastal Flood Advisory | AKQ | 29 hr |
| Mar 25, 3:53 AM EDT | Dense Fog Advisory | AKQ | 6 hr |
| Mar 28, 1:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 2:53 AM EDT | Special Weather Statement | AKQ | 37 min |
| Apr 12, 2:54 PM EDT | Coastal Flood Advisory | AKQ | 14 hr |
| Apr 13, 3:44 PM EDT | Coastal Flood Advisory | AKQ | 14 hr |
| Apr 21, 12:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 21, 1:54 PM EDT | Severe Thunderstorm Warning | AKQ | 36 min |
| Apr 21, 2:19 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Apr 29, 2:37 PM EDT | Wind Advisory | AKQ | 34 hr |
| Apr 29, 3:09 PM EDT | Fire Weather Watch | AKQ | 16 hr |
| May 4, 8:00 PM EDT | Special Weather Statement | AKQ | 60 min |
| May 5, 1:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 5:28 PM EDT | Severe Thunderstorm Warning | AKQ | 21 min |
| May 9, 3:48 PM EDT | Coastal Flood Statement | AKQ | 14 hr |
| May 21, 4:12 AM EDT | Beach Hazards Statement | AKQ | 4 days |
| May 26, 2:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 4:17 PM EDT | Beach Hazards Statement | AKQ | 52 hr |
| May 28, 7:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 29, 4:00 AM EDT | Coastal Flood Advisory | AKQ | 30 hr |
| May 30, 4:17 AM EDT | Coastal Flood Advisory | AKQ | 11 hr |
| Jun 4, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 4:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 4:39 PM EDT | Special Weather Statement | AKQ | 36 min |
| Jun 11, 3:22 PM EDT | Coastal Flood Statement | AKQ | 14 hr |
| Jun 15, 5:37 AM EDT | Special Weather Statement | AKQ | 38 min |
| Jun 15, 5:49 AM EDT | Severe Thunderstorm Warning | AKQ | 30 min |
| Jun 22, 12:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 26, 12:13 PM EDT | Special Weather Statement | AKQ | 62 min |
| Jul 1, 12:46 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 5:29 PM EDT | Severe Thunderstorm Warning | AKQ | 29 min |
| Jul 1, 6:00 PM EDT | Special Weather Statement | AKQ | 60 min |
| Jul 1, 11:26 PM EDT | Special Weather Statement | AKQ | 49 min |
| Jul 3, 9:34 PM EDT | Special Weather Statement | AKQ | 26 min |
| Jul 7, 5:32 AM EDT | Tropical Storm Watch | AKQ | 18 hr |
| Jul 7, 3:22 PM EDT | Flash Flood Watch | AKQ | 36 hr |
| Jul 7, 11:21 PM EDT | Tropical Storm Warning | AKQ | 27 hr |
| Jul 8, 6:31 AM EDT | Coastal Flood Advisory | AKQ | 27 hr |
| Jul 8, 1:50 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 8, 5:35 PM EDT | Beach Hazards Statement | AKQ | 26 hr |
| Jul 8, 6:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 8, 10:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 9, 2:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 9:34 PM EDT | Special Weather Statement | AKQ | 56 min |
| Jul 17, 10:34 PM EDT | Special Weather Statement | AKQ | 26 min |
| Jul 17, 10:51 PM EDT | Areal Flood Advisory | AKQ | 114 min |
| Jul 21, 2:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 5:44 PM EDT | Special Weather Statement | AKQ | 46 min |
| Jul 28, 12:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 6, 3:11 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 7, 4:05 PM EDT | Areal Flood Advisory | AKQ | 5 hr |
| Aug 11, 4:08 PM EDT | Heat Advisory | AKQ | 51 hr |
| Aug 13, 9:03 PM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 19, 4:28 PM EDT | Beach Hazards Statement | AKQ | 3 days |
| Aug 20, 5:18 AM EDT | Special Weather Statement | AKQ | 57 min |
| Aug 22, 3:31 PM EDT | Special Weather Statement | AKQ | 29 min |
| Aug 22, 4:11 PM EDT | Special Weather Statement | AKQ | 34 min |
| Aug 22, 4:21 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Aug 30, 8:10 PM EDT | Special Weather Statement | AKQ | 65 min |
| Aug 30, 9:18 PM EDT | Severe Thunderstorm Warning | AKQ | 42 min |
| Aug 30, 10:01 PM EDT | Special Weather Statement | AKQ | 59 min |
| Sep 1, 11:03 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 4:07 PM EDT | Beach Hazards Statement | AKQ | 28 hr |
| Sep 1, 4:07 PM EDT | Coastal Flood Advisory | AKQ | 12 hr |
| Sep 7, 8:07 PM EDT | Beach Hazards Statement | AKQ | 4 days |
| Sep 8, 3:45 PM EDT | Special Weather Statement | AKQ | 45 min |
| Sep 8, 3:52 PM EDT | Severe Thunderstorm Warning | AKQ | 30 min |
| Sep 16, 4:19 PM EDT | Beach Hazards Statement | AKQ | 51 hr |
| Sep 21, 4:53 PM EDT | Beach Hazards Statement | AKQ | 51 hr |
| Sep 23, 3:13 AM EDT | Mesoscale Discussion | SPC | 5 hr |
| Sep 23, 5:00 AM EDT | Coastal Flood Statement | AKQ | 11 hr |
| Sep 28, 8:21 PM EDT | Special Weather Statement | AKQ | 39 min |
| Sep 28, 11:21 PM EDT | Special Weather Statement | AKQ | 39 min |
| Oct 1, 2:50 PM EDT | Beach Hazards Statement | AKQ | 29 hr |
| Oct 2, 8:05 PM EDT | Beach Hazards Statement | AKQ | 19 hr |
| Oct 5, 4:42 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Oct 8, 4:00 PM EDT | Beach Hazards Statement | AKQ | 4 days |
| Oct 8, 4:00 PM EDT | Coastal Flood Statement | AKQ | 43 hr |
| Oct 9, 5:00 PM EDT | Coastal Flood Statement | AKQ | 9 hr |
| Oct 9, 5:00 PM EDT | Coastal Flood Advisory | AKQ | 3 days |
| Oct 9, 9:50 PM EDT | High Surf Advisory | AKQ | 42 hr |
| Oct 11, 4:13 PM EDT | High Surf Advisory | AKQ | 10 hr |
| Oct 16, 7:10 PM EDT | Coastal Flood Statement | AKQ | 6 hr |
| Oct 27, 3:30 PM EDT | Coastal Flood Watch | AKQ | 24 hr |
| Oct 28, 4:02 AM EDT | Wind Advisory | AKQ | 39 hr |
| Oct 28, 10:58 AM EDT | Coastal Flood Warning | AKQ | 71 hr |
| Oct 28, 3:59 PM EDT | High Surf Advisory | AKQ | 33 hr |
| Oct 29, 3:36 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 30, 10:44 AM EDT | Coastal Flood Advisory | AKQ | 37 hr |
| Nov 5, 3:24 PM EDT | Coastal Flood Advisory | AKQ | 3 days |
| Nov 5, 3:24 PM EDT | High Surf Advisory | AKQ | 3 days |
| Nov 6, 1:50 PM EDT | Coastal Flood Advisory | AKQ | 50 hr |
| Nov 15, 2:25 PM EST | Frost Advisory | AKQ | 16 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.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 14 |
| Special Weather Statement | 21 |
| Flooding | |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 14 |
| High Surf Advisory | 5 |
| Beach Hazards Statement | 11 |
| Coastal Flood Statement | 7 |
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.