Alert archive / North Carolina / Northampton County
Weather alerts in Northampton County, North Carolina, 2021
121 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Northampton County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 121
- Warnings
- 28
- Watches
- 14
- Advisories
- 19
- Busiest month
- August26 alerts
- Busiest day
- April 9, 20216 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 Northampton County in 2021 had a tornado report inside them.
Northampton County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 0 | ||
| Severe thunderstorm warnings | 14 | 10 | 29% | 8 | 100% | 22 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 2, 10:14 AM EST | River Flood Warning | RAH | 7 days |
| Jan 15, 8:30 PM EST | River Flood Warning | RAH | 14 hr |
| Jan 27, 3:29 AM EST | Winter Weather Advisory | AKQ | 31 hr |
| Jan 30, 4:34 AM EST | Winter Weather Advisory | AKQ | 38 hr |
| Feb 2, 7:58 AM EST | Special Weather Statement | AKQ | 2 hr |
| Feb 11, 3:39 AM EST | Winter Weather Advisory | AKQ | 3 days |
| Feb 13, 2:21 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 8:02 PM EST | River Flood Warning | RAH | 21 days |
| Feb 15, 8:02 PM EST | River Flood Warning | RAH | 19 days |
| Feb 17, 3:10 PM EST | Winter Weather Advisory | AKQ | 45 hr |
| Feb 17, 3:14 PM EST | Flood Watch | AKQ | 45 hr |
| Feb 18, 10:23 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Feb 22, 1:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 22, 1:28 PM EST | Special Weather Statement | AKQ | 62 min |
| Feb 22, 1:57 PM EST | Severe Thunderstorm Warning | AKQ | 48 min |
| Feb 22, 2:39 PM EST | Severe Thunderstorm Warning | AKQ | 66 min |
| Mar 2, 2:15 PM EST | River Flood Warning | RAH | 31 hr |
| Mar 18, 5:09 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 18, 5:18 PM EDT | Tornado Warning | AKQ | 27 min |
| Mar 18, 5:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Mar 18, 7:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Mar 18, 8:15 PM EDT | Severe Thunderstorm Warning | AKQ | 30 min |
| Mar 18, 9:14 PM EDT | Special Weather Statement | AKQ | 31 min |
| Mar 25, 3:53 AM EDT | Dense Fog Advisory | AKQ | 6 hr |
| Mar 28, 7:26 AM EDT | Special Weather Statement | AKQ | 49 min |
| Mar 28, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 31, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 31, 3:33 PM EDT | Freeze Watch | AKQ | 12 hr |
| Mar 31, 4:05 PM EDT | Special Weather Statement | AKQ | 55 min |
| Mar 31, 5:30 PM EDT | Special Weather Statement | AKQ | 45 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, 5:57 PM EDT | Severe Thunderstorm Warning | AKQ | 48 min |
| Apr 9, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 9, 6:29 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Apr 9, 7:03 PM EDT | Severe Thunderstorm Warning | AKQ | 42 min |
| Apr 9, 7:39 PM EDT | Severe Thunderstorm Warning | AKQ | 51 min |
| Apr 14, 4:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 7:04 PM EDT | Severe Thunderstorm Warning | AKQ | 41 min |
| Apr 14, 7:40 PM EDT | Special Weather Statement | AKQ | 35 min |
| Apr 14, 7:54 PM EDT | Severe Thunderstorm Warning | AKQ | 51 min |
| Apr 14, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 14, 8:14 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Apr 19, 12:11 PM EDT | Special Weather Statement | AKQ | 49 min |
| 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 3, 1:35 PM EDT | Special Weather Statement | AKQ | 40 min |
| May 3, 2:14 PM EDT | Special Weather Statement | AKQ | 46 min |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 10, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 28, 8:35 PM EDT | Severe Thunderstorm Warning | AKQ | 40 min |
| May 29, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 3, 3:50 AM EDT | Flash Flood Watch | AKQ | 30 hr |
| Jun 3, 3:04 PM EDT | Areal Flood Advisory | AKQ | 5 hr |
| Jun 9, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 10, 2:39 PM EDT | Flash Flood Watch | AKQ | 33 hr |
| Jun 11, 8:40 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jun 22, 12:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 3:55 PM EDT | Special Weather Statement | AKQ | 50 min |
| Jul 2, 7:43 AM EDT | Special Weather Statement | AKQ | 32 min |
| Jul 2, 8:15 AM EDT | Special Weather Statement | AKQ | 30 min |
| 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, 1:50 PM EDT | Tornado Watch | SPC | 11 hr |
| Jul 8, 3:55 PM EDT | Tornado Warning | AKQ | 35 min |
| Jul 8, 4:37 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 8, 5:20 PM EDT | Flash Flood Warning | AKQ | 4 hr |
| Jul 9, 2:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 3:42 PM EDT | Special Weather Statement | AKQ | 48 min |
| Jul 18, 6:25 PM EDT | Special Weather Statement | AKQ | 65 min |
| Jul 18, 9:09 PM EDT | Special Weather Statement | AKQ | 51 min |
| Jul 26, 3:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 26, 7:18 PM EDT | Special Weather Statement | AKQ | 42 min |
| Jul 26, 7:32 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Jul 26, 9:47 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| 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, 4:16 PM EDT | Severe Thunderstorm Warning | AKQ | 29 min |
| Jul 28, 4:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 1, 9:28 AM EDT | Special Weather Statement | AKQ | 47 min |
| Aug 1, 10:18 AM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 1, 10:54 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 6, 3:11 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 7, 12:11 PM EDT | Special Weather Statement | AKQ | 64 min |
| Aug 7, 12:51 PM EDT | Special Weather Statement | AKQ | 39 min |
| Aug 7, 1:20 PM EDT | Special Weather Statement | AKQ | 55 min |
| Aug 7, 1:24 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 7, 1:27 PM EDT | Tornado Warning | AKQ | 48 min |
| Aug 7, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 11, 3:55 AM EDT | Heat Advisory | AKQ | 63 hr |
| Aug 14, 3:55 AM EDT | Heat Advisory | AKQ | 14 hr |
| Aug 14, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 15, 4:15 PM EDT | Special Weather Statement | AKQ | 45 min |
| Aug 15, 4:48 PM EDT | Special Weather Statement | AKQ | 42 min |
| Aug 16, 3:33 AM EDT | Areal Flood Advisory | AKQ | 2 hr |
| Aug 16, 6:35 PM EDT | Special Weather Statement | AKQ | 55 min |
| Aug 19, 2:57 PM EDT | Flash Flood Watch | AKQ | 31 hr |
| Aug 28, 4:26 PM EDT | Special Weather Statement | AKQ | 49 min |
| Aug 28, 5:13 PM EDT | Special Weather Statement | AKQ | 32 min |
| Aug 28, 5:24 PM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Aug 28, 6:21 PM EDT | Severe Thunderstorm Warning | AKQ | 39 min |
| Aug 29, 1:55 AM EDT | Special Weather Statement | AKQ | 50 min |
| Aug 29, 2:38 AM EDT | Special Weather Statement | AKQ | 22 min |
| Aug 29, 2:59 AM EDT | Special Weather Statement | AKQ | 46 min |
| Aug 30, 9:17 PM EDT | Severe Thunderstorm Warning | AKQ | 43 min |
| Sep 1, 11:46 AM EDT | Tornado Watch | SPC | 9 hr |
| Sep 1, 1:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 8, 1:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Sep 8, 4:05 PM EDT | Special Weather Statement | AKQ | 25 min |
| Sep 22, 2:04 PM EDT | Areal Flood Advisory | AKQ | 116 min |
| Oct 14, 4:55 AM EDT | Dense Fog Advisory | AKQ | 4 hr |
| Oct 22, 1:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 25, 3:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Oct 25, 10:18 PM EDT | Special Weather Statement | AKQ | 27 min |
| Nov 4, 3:19 AM EDT | Frost Advisory | AKQ | 30 hr |
| Nov 13, 3:17 AM EST | Freeze Warning | AKQ | 30 hr |
| Dec 11, 8:03 PM EST | Special Weather Statement | AKQ | 42 min |
| 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 | 14 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 34 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 5 |
| Flash Flood Watch | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
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.