Alert archive / North Carolina / Washington County
Weather alerts in Washington County, North Carolina, 2021
86 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Washington County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 86
- Warnings
- 15
- Watches
- 18
- Advisories
- 12
- Busiest month
- July16 alerts
- Busiest day
- July 8, 20217 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 1 tornado warnings covering Washington County in 2021 had a tornado report inside them.
Washington County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 0 | ||
| Severe thunderstorm warnings | 9 | 5 | 44% | 2 | 100% | 26 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 Newport/Morehead City, NC: tornado warnings | 9 | 3 | 67% | 4 | 75% | 21 min |
| NWS Newport/Morehead City, NC: severe thunderstorm warnings | 42 | 22 | 48% | 54 | 80% | 21 min |
| NWS Newport/Morehead City, NC: flash flood warnings | 5 | 3 | 40% | 11 | 100% | 121 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, 12:44 AM EST | Freezing Fog Advisory | MHX | 8 hr |
| Jan 27, 3:01 AM EST | Winter Weather Advisory | MHX | 32 hr |
| Feb 16, 12:41 AM EST | Tornado Watch | SPC | 3 hr |
| Feb 16, 2:01 AM EST | Areal Flood Advisory | MHX | 3 hr |
| Feb 17, 3:00 PM EST | Flash Flood Watch | MHX | 48 hr |
| Feb 22, 1:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 22, 3:00 PM EST | Severe Thunderstorm Warning | MHX | 45 min |
| Feb 22, 3:45 PM EST | Special Weather Statement | MHX | 45 min |
| Mar 1, 10:16 AM EST | Special Weather Statement | MHX | 59 min |
| Mar 18, 5:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Mar 27, 6:45 AM EDT | Dense Fog Advisory | MHX | 3 hr |
| Mar 27, 5:29 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 28, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 28, 4:53 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Mar 28, 5:18 PM EDT | Special Weather Statement | MHX | 42 min |
| Mar 28, 5:34 PM EDT | Severe Thunderstorm Warning | MHX | 26 min |
| Mar 31, 2:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 31, 3:00 PM EDT | Freeze Watch | MHX | 13 hr |
| Apr 1, 3:32 AM EDT | Freeze Warning | MHX | 29 hr |
| Apr 2, 10:00 AM EDT | Freeze Warning | MHX | 23 hr |
| Apr 3, 3:37 AM EDT | Frost Advisory | MHX | 27 hr |
| Apr 9, 4:28 PM EDT | Special Weather Statement | MHX | 32 min |
| Apr 9, 9:47 PM EDT | Special Weather Statement | MHX | 58 min |
| Apr 14, 8:01 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Apr 14, 9:23 PM EDT | Severe Thunderstorm Warning | MHX | 52 min |
| Apr 14, 10:09 PM EDT | Severe Thunderstorm Warning | MHX | 36 min |
| Apr 19, 10:15 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 19, 12:00 PM EDT | Special Weather Statement | MHX | 30 min |
| Apr 22, 2:03 PM EDT | Frost Advisory | MHX | 18 hr |
| Apr 29, 3:36 PM EDT | Fire Weather Watch | MHX | 12 hr |
| Apr 30, 3:41 AM EDT | Red Flag Warning | MHX | 16 hr |
| May 3, 1:45 PM EDT | Special Weather Statement | MHX | 45 min |
| May 3, 2:10 PM EDT | Severe Thunderstorm Warning | MHX | 35 min |
| May 4, 7:01 PM EDT | Special Weather Statement | MHX | 44 min |
| May 4, 7:35 PM EDT | Severe Thunderstorm Warning | MHX | 40 min |
| May 7, 4:01 PM EDT | Fire Weather Watch | MHX | 15 hr |
| May 10, 12:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| May 29, 12:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 3, 2:49 AM EDT | Flash Flood Watch | MHX | 31 hr |
| Jun 3, 11:49 AM EDT | Areal Flood Advisory | MHX | 3 hr |
| Jun 3, 2:45 PM EDT | Areal Flood Advisory | MHX | 3 hr |
| Jun 7, 3:04 PM EDT | Special Weather Statement | MHX | 41 min |
| Jun 9, 1:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 11, 9:37 PM EDT | Special Weather Statement | MHX | 38 min |
| Jun 15, 12:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jun 15, 1:58 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 11:10 AM EDT | Tropical Storm Watch | MHX | 18 hr |
| Jun 20, 3:20 AM EDT | Flash Flood Watch | MHX | 27 hr |
| Jun 20, 2:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Jul 6, 4:41 PM EDT | Tropical Storm Watch | MHX | 31 hr |
| Jul 7, 11:07 PM EDT | Tropical Storm Warning | MHX | 27 hr |
| Jul 8, 8:35 AM EDT | Tornado Watch | SPC | 6 hr |
| Jul 8, 9:52 AM EDT | Special Weather Statement | MHX | 23 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, 3:09 PM EDT | Tornado Warning | MHX | 36 min |
| Jul 8, 6:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 9, 5:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 26, 5:43 PM EDT | Mesoscale Discussion | SPC | 92 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, 3:57 PM EDT | Severe Thunderstorm Warning | MHX | 63 min |
| Jul 28, 4:16 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Jul 28, 4:55 PM EDT | Severe Thunderstorm Warning | MHX | 65 min |
| Jul 30, 2:46 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Aug 1, 11:51 AM EDT | Mesoscale Discussion | SPC | 114 min |
| Aug 1, 12:37 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 1, 2:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 1, 3:21 PM EDT | Severe Thunderstorm Warning | MHX | 39 min |
| Aug 2, 3:52 PM EDT | Flash Flood Watch | MHX | 53 hr |
| Aug 7, 1:32 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Aug 11, 4:16 PM EDT | Heat Advisory | MHX | 26 hr |
| Aug 12, 2:32 PM EDT | Heat Advisory | MHX | 28 hr |
| Aug 14, 3:43 AM EDT | Heat Advisory | MHX | 15 hr |
| Aug 20, 5:47 PM EDT | Special Weather Statement | MHX | 43 min |
| Aug 20, 6:36 PM EDT | Special Weather Statement | MHX | 39 min |
| Aug 21, 6:19 PM EDT | Special Weather Statement | MHX | 41 min |
| Sep 1, 1:51 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Sep 8, 1:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Oct 22, 1:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 22, 3:47 PM EDT | Special Weather Statement | MHX | 28 min |
| Oct 25, 11:59 PM EDT | Special Weather Statement | MHX | 46 min |
| Oct 26, 12:41 AM EDT | Special Weather Statement | MHX | 49 min |
| Nov 15, 3:30 AM EST | Freeze Watch | MHX | 12 hr |
| Nov 15, 3:31 PM EST | Freeze Warning | MHX | 16 hr |
| Dec 18, 3:54 AM EST | Dense Fog Advisory | MHX | 5 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 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 17 |
| Flooding | |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Frost Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Freezing Fog Advisory | 1 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 2 |
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.