Alert archive / North Carolina / Chowan County
Weather alerts in Chowan County, North Carolina, 2021
107 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chowan County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 107
- Warnings
- 22
- Watches
- 14
- Advisories
- 18
- Busiest month
- August26 alerts
- Busiest day
- August 1, 20218 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 3 tornado warnings covering Chowan County in 2021 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 1 minutes after it went out.
Chowan County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 1 | 100% | 1 min |
| Severe thunderstorm warnings | 13 | 9 | 31% | 7 | 100% | 25 min |
| Flash flood warnings | 1 | 0 | 100% | 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 13, 5:44 AM EST | Freezing Fog Advisory | AKQ | 4 hr |
| Jan 27, 3:29 AM EST | Winter Weather Advisory | AKQ | 31 hr |
| Feb 17, 3:14 PM EST | Flood Watch | AKQ | 45 hr |
| Feb 22, 1:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 22, 2:39 PM EST | Severe Thunderstorm Warning | AKQ | 66 min |
| Feb 22, 3:46 PM EST | Special Weather Statement | AKQ | 59 min |
| Mar 18, 5:09 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 18, 5:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Mar 28, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 28, 4:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| Mar 28, 4:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Mar 31, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 1, 3:29 AM EDT | Freeze Warning | AKQ | 30 hr |
| Apr 2, 9:52 AM EDT | Freeze Warning | AKQ | 23 hr |
| Apr 9, 3:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 4:50 PM EDT | Special Weather Statement | AKQ | 40 min |
| Apr 9, 5:06 PM EDT | Severe Thunderstorm Warning | AKQ | 39 min |
| Apr 9, 5:42 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Apr 9, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 9, 6:24 PM EDT | Severe Thunderstorm Warning | AKQ | 51 min |
| Apr 9, 6:58 PM EDT | Severe Thunderstorm Warning | AKQ | 24 min |
| Apr 9, 9:08 PM EDT | Special Weather Statement | AKQ | 52 min |
| Apr 9, 9:34 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Apr 14, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 14, 8:51 PM EDT | Special Weather Statement | AKQ | 39 min |
| Apr 14, 8:57 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Apr 14, 9:20 PM EDT | Severe Thunderstorm Warning | AKQ | 40 min |
| Apr 19, 10:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 19, 1:31 PM EDT | Severe Thunderstorm Warning | AKQ | 29 min |
| Apr 22, 12:04 PM EDT | Frost Advisory | 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 3, 2:14 PM EDT | Special Weather Statement | AKQ | 46 min |
| May 3, 2:56 PM EDT | Special Weather Statement | AKQ | 49 min |
| May 4, 6:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| May 10, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 29, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 2, 10:31 PM EDT | Areal Flood Advisory | AKQ | 119 min |
| Jun 2, 10:51 PM EDT | Flash Flood Warning | AKQ | 115 min |
| Jun 3, 3:50 AM EDT | Flash Flood Watch | AKQ | 30 hr |
| Jun 3, 7:49 PM EDT | Areal Flood Advisory | AKQ | 5 hr |
| Jun 4, 4:09 AM EDT | Areal Flood Advisory | AKQ | 111 min |
| Jun 4, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 8:35 PM EDT | Special Weather Statement | AKQ | 40 min |
| Jun 10, 2:39 PM EDT | Flash Flood Watch | AKQ | 33 hr |
| Jun 11, 9:21 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jun 15, 12:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 20, 3:10 PM EDT | Tornado Warning | AKQ | 35 min |
| Jun 22, 12:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 3:10 PM EDT | Special Weather Statement | AKQ | 50 min |
| Jul 2, 9:57 AM EDT | Special Weather Statement | AKQ | 48 min |
| Jul 7, 5:32 AM EDT | Tropical Storm Watch | AKQ | 18 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, 9:58 AM EDT | Special Weather Statement | AKQ | 47 min |
| Jul 8, 12:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 1:50 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 8, 4:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 6:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 9, 5:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 9, 6:22 PM EDT | Special Weather Statement | AKQ | 53 min |
| Jul 26, 5:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 26, 8:00 PM EDT | Special Weather Statement | AKQ | 45 min |
| Jul 28, 12:36 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Jul 28, 2:19 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 3:42 PM EDT | Severe Thunderstorm Warning | AKQ | 18 min |
| Jul 28, 4:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 30, 2:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 1, 10:54 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 1, 11:17 AM EDT | Severe Thunderstorm Warning | AKQ | 43 min |
| Aug 1, 11:24 AM EDT | Tornado Warning | AKQ | 36 min |
| Aug 1, 11:48 AM EDT | Tornado Warning | AKQ | 27 min |
| Aug 1, 11:51 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 1, 12:11 PM EDT | Severe Thunderstorm Warning | AKQ | 49 min |
| Aug 1, 12:44 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 1, 1:53 PM EDT | Special Weather Statement | AKQ | 22 min |
| Aug 6, 3:11 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 7, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 7, 3:18 PM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 7, 3:33 PM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Aug 11, 4:08 PM EDT | Heat Advisory | AKQ | 51 hr |
| Aug 14, 3:55 AM EDT | Heat Advisory | AKQ | 14 hr |
| Aug 16, 5:22 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 18, 2:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 18, 3:40 PM EDT | Special Weather Statement | AKQ | 65 min |
| Aug 19, 2:57 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 21, 5:51 PM EDT | Special Weather Statement | AKQ | 54 min |
| Aug 22, 6:18 PM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 22, 6:53 PM EDT | Special Weather Statement | AKQ | 52 min |
| Aug 22, 7:01 PM EDT | Severe Thunderstorm Warning | AKQ | 33 min |
| Aug 22, 7:13 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 28, 5:58 PM EDT | Special Weather Statement | AKQ | 62 min |
| Aug 28, 6:38 PM EDT | Severe Thunderstorm Warning | AKQ | 39 min |
| Aug 29, 3:50 AM EDT | Special Weather Statement | AKQ | 40 min |
| Sep 1, 1:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 8, 1:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Sep 15, 4:09 PM EDT | Special Weather Statement | AKQ | 51 min |
| Sep 22, 10:39 AM EDT | Coastal Flood Statement | AKQ | 18 hr |
| Sep 22, 10:39 AM EDT | Coastal Flood Advisory | AKQ | 35 hr |
| Oct 14, 4:55 AM EDT | Dense Fog Advisory | AKQ | 4 hr |
| Oct 22, 1:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 22, 5:33 PM EDT | Special Weather Statement | AKQ | 42 min |
| Nov 15, 3:16 AM EST | Freeze Watch | AKQ | 11 hr |
| Nov 15, 2:25 PM EST | Freeze Warning | AKQ | 16 hr |
| Dec 11, 8:49 PM EST | Special Weather Statement | AKQ | 56 min |
| Dec 18, 3:29 AM EST | Dense Fog Advisory | AKQ | 6 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 | 13 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 27 |
| Special Weather Statement | 25 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Freezing Fog Advisory | 1 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
| Coastal Flood Statement | 1 |
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.