Alert archive / North Carolina / Onslow County
Weather alerts in Onslow County, North Carolina, 2016
131 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Onslow County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 131
- Warnings
- 25
- Watches
- 10
- Advisories
- 21
- Busiest month
- July38 alerts
- Busiest day
- September 23, 20167 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Onslow County in 2016 had a tornado report inside them.
Onslow County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 18 | 10 | 44% | 8 | 75% | 20 min |
| Flash flood warnings | 3 | 2 | 33% | 2 | 100% | 47 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Newport/Morehead City, NC: tornado warnings | 17 | 5 | 71% | 10 | 60% | 17 min |
| NWS Newport/Morehead City, NC: severe thunderstorm warnings | 61 | 36 | 41% | 98 | 71% | 23 min |
| NWS Newport/Morehead City, NC: flash flood warnings | 12 | 7 | 42% | 19 | 100% | 352 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 |
|---|---|---|---|
| Feb 3, 8:50 PM EST | Areal Flood Advisory | MHX | 115 min |
| Feb 3, 9:48 PM EST | Special Weather Statement | MHX | 57 min |
| Feb 3, 10:46 PM EST | Areal Flood Advisory | MHX | 119 min |
| Feb 4, 11:08 AM EST | Areal Flood Advisory | MHX | 112 min |
| Feb 7, 1:23 PM EST | Areal Flood Warning | MHX | 112 min |
| Feb 16, 6:31 AM EST | Mesoscale Discussion | SPC | 119 min |
| Feb 16, 7:30 AM EST | Severe Thunderstorm Warning | MHX | 45 min |
| Feb 24, 11:16 AM EST | Mesoscale Discussion | SPC | 89 min |
| Feb 24, 11:16 AM EST | Tornado Watch | SPC | 8 hr |
| Feb 24, 4:03 PM EST | Special Weather Statement | MHX | 57 min |
| Feb 24, 6:40 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 24, 6:50 PM EST | Tornado Watch | SPC | 4 hr |
| Apr 7, 4:22 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 7:37 AM EDT | Severe Thunderstorm Warning | MHX | 38 min |
| Apr 7, 7:57 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 8:18 AM EDT | Special Weather Statement | MHX | 57 min |
| Apr 23, 5:53 PM EDT | Special Weather Statement | MHX | 37 min |
| May 3, 6:15 AM EDT | Severe Thunderstorm Warning | MHX | 30 min |
| May 3, 6:46 AM EDT | Severe Thunderstorm Warning | MHX | 29 min |
| May 3, 5:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 3, 6:58 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 5, 12:30 PM EDT | Special Weather Statement | MHX | 30 min |
| May 5, 2:30 PM EDT | Special Weather Statement | MHX | 30 min |
| May 5, 2:47 PM EDT | Special Weather Statement | MHX | 58 min |
| May 5, 3:31 PM EDT | Severe Thunderstorm Warning | MHX | 44 min |
| May 12, 7:09 AM EDT | Special Weather Statement | MHX | 36 min |
| May 12, 2:56 PM EDT | Special Weather Statement | MHX | 34 min |
| May 12, 5:18 PM EDT | Special Weather Statement | MHX | 27 min |
| May 13, 1:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 3:35 PM EDT | Special Weather Statement | MHX | 55 min |
| May 13, 5:02 PM EDT | Special Weather Statement | MHX | 58 min |
| May 31, 1:58 PM EDT | Special Weather Statement | MHX | 62 min |
| Jun 5, 3:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 7, 4:14 AM EDT | Areal Flood Advisory | MHX | 3 hr |
| Jun 7, 4:43 AM EDT | Special Weather Statement | MHX | 62 min |
| Jun 7, 7:23 AM EDT | Areal Flood Advisory | MHX | 112 min |
| Jun 14, 7:16 PM EDT | Special Weather Statement | MHX | 44 min |
| Jun 14, 7:31 PM EDT | Severe Thunderstorm Warning | MHX | 44 min |
| Jun 15, 12:45 PM EDT | Special Weather Statement | MHX | 30 min |
| Jun 15, 12:51 PM EDT | Special Weather Statement | MHX | 39 min |
| Jun 15, 1:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 15, 2:17 PM EDT | Areal Flood Advisory | MHX | 118 min |
| Jun 15, 2:43 PM EDT | Special Weather Statement | MHX | 47 min |
| Jun 15, 4:00 PM EDT | Special Weather Statement | MHX | 45 min |
| Jun 24, 3:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 1:53 PM EDT | Special Weather Statement | MHX | 52 min |
| Jul 1, 9:40 AM EDT | Special Weather Statement | MHX | 50 min |
| Jul 2, 12:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 4:28 PM EDT | Special Weather Statement | MHX | 47 min |
| Jul 3, 1:36 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 4:26 PM EDT | Special Weather Statement | MHX | 64 min |
| Jul 4, 5:31 PM EDT | Special Weather Statement | MHX | 59 min |
| Jul 5, 6:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 6:56 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 5, 8:15 PM EDT | Special Weather Statement | MHX | 60 min |
| Jul 5, 8:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 9:28 PM EDT | Special Weather Statement | MHX | 62 min |
| Jul 7, 4:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 6:18 PM EDT | Severe Thunderstorm Warning | MHX | 42 min |
| Jul 7, 6:59 PM EDT | Severe Thunderstorm Warning | MHX | 46 min |
| Jul 7, 7:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 7, 8:32 PM EDT | Severe Thunderstorm Warning | MHX | 58 min |
| Jul 8, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 8:50 PM EDT | Severe Thunderstorm Warning | MHX | 55 min |
| Jul 8, 9:41 PM EDT | Severe Thunderstorm Warning | MHX | 64 min |
| Jul 8, 10:48 PM EDT | Special Weather Statement | MHX | 42 min |
| Jul 8, 11:19 PM EDT | Special Weather Statement | MHX | 56 min |
| Jul 11, 1:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 11, 5:59 PM EDT | Special Weather Statement | MHX | 61 min |
| Jul 13, 1:36 AM EDT | Special Weather Statement | MHX | 54 min |
| Jul 15, 5:57 PM EDT | Special Weather Statement | MHX | 33 min |
| Jul 15, 6:00 PM EDT | Severe Thunderstorm Warning | MHX | 26 min |
| Jul 16, 11:25 AM EDT | Special Weather Statement | MHX | 35 min |
| Jul 16, 1:09 PM EDT | Special Weather Statement | MHX | 36 min |
| Jul 19, 10:54 AM EDT | Special Weather Statement | MHX | 51 min |
| Jul 19, 11:47 AM EDT | Special Weather Statement | MHX | 43 min |
| Jul 19, 11:53 AM EDT | Severe Thunderstorm Warning | MHX | 37 min |
| Jul 19, 5:02 PM EDT | Severe Thunderstorm Warning | MHX | 43 min |
| Jul 19, 6:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 30, 1:46 PM EDT | Special Weather Statement | MHX | 59 min |
| Jul 30, 2:27 PM EDT | Severe Thunderstorm Warning | MHX | 33 min |
| Jul 31, 1:22 PM EDT | Special Weather Statement | MHX | 38 min |
| Jul 31, 2:10 PM EDT | Special Weather Statement | MHX | 65 min |
| Jul 31, 3:18 PM EDT | Special Weather Statement | MHX | 42 min |
| Aug 1, 3:35 PM EDT | Severe Thunderstorm Warning | MHX | 40 min |
| Aug 1, 5:29 PM EDT | Special Weather Statement | MHX | 31 min |
| Aug 2, 6:48 PM EDT | Special Weather Statement | MHX | 42 min |
| Aug 2, 7:32 PM EDT | Special Weather Statement | MHX | 58 min |
| Aug 6, 4:01 PM EDT | Special Weather Statement | MHX | 44 min |
| Aug 6, 4:45 PM EDT | Special Weather Statement | MHX | 30 min |
| Aug 18, 2:08 PM EDT | Special Weather Statement | MHX | 52 min |
| Aug 18, 3:03 PM EDT | Severe Thunderstorm Warning | MHX | 42 min |
| Aug 18, 3:30 PM EDT | Severe Thunderstorm Warning | MHX | 45 min |
| Aug 19, 3:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Aug 19, 8:03 PM EDT | Areal Flood Advisory | MHX | 117 min |
| Sep 2, 11:49 AM EDT | Areal Flood Advisory | MHX | 3 hr |
| Sep 2, 3:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 2, 3:45 PM EDT | Tornado Watch | SPC | 11 hr |
| Sep 2, 7:30 PM EDT | Areal Flood Advisory | MHX | 2 hr |
| Sep 2, 8:43 PM EDT | Flash Flood Warning | MHX | 92 min |
| Sep 2, 10:41 PM EDT | Areal Flood Advisory | MHX | 2 hr |
| Sep 7, 3:26 PM EDT | Special Weather Statement | MHX | 49 min |
| Sep 12, 12:37 PM EDT | Areal Flood Advisory | MHX | 113 min |
| Sep 19, 7:03 PM EDT | Areal Flood Advisory | MHX | 117 min |
| Sep 19, 7:08 PM EDT | Areal Flood Advisory | MHX | 112 min |
| Sep 22, 11:49 AM EDT | Areal Flood Advisory | MHX | 116 min |
| Sep 22, 9:28 PM EDT | Areal Flood Advisory | MHX | 62 min |
| Sep 22, 10:34 PM EDT | Areal Flood Advisory | MHX | 56 min |
| Sep 22, 11:33 PM EDT | Special Weather Statement | MHX | 57 min |
| Sep 23, 12:40 AM EDT | Special Weather Statement | MHX | 65 min |
| Sep 23, 2:13 PM EDT | Special Weather Statement | MHX | 47 min |
| Sep 23, 2:52 PM EDT | Areal Flood Advisory | MHX | 53 min |
| Sep 23, 3:43 PM EDT | Areal Flood Advisory | MHX | 2 hr |
| Sep 27, 12:40 PM EDT | Areal Flood Advisory | MHX | 95 min |
| Sep 30, 8:32 AM EDT | Special Weather Statement | MHX | 58 min |
| Sep 30, 11:09 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 2, 4:02 AM EDT | Special Weather Statement | MHX | 58 min |
| Oct 8, 7:20 AM EDT | Tornado Watch | SPC | 8 hr |
| Oct 8, 11:17 AM EDT | Tornado Warning | MHX | 28 min |
| Oct 8, 11:18 AM EDT | Flash Flood Warning | MHX | 20 hr |
| Oct 8, 2:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Oct 8, 2:48 PM EDT | Tornado Watch | SPC | 8 hr |
| Oct 9, 6:20 AM EDT | Flash Flood Warning | MHX | 6 hr |
| Oct 9, 11:31 AM EDT | Areal Flood Warning | MHX | 5 days |
| Oct 9, 11:38 AM EDT | Areal Flood Advisory | MHX | 4 days |
| Oct 13, 11:29 AM EDT | Areal Flood Advisory | MHX | 24 hr |
| Oct 14, 11:44 AM EDT | Areal Flood Warning | MHX | 48 hr |
| Oct 21, 6:18 PM EDT | Special Weather Statement | MHX | 42 min |
| Dec 12, 10:28 AM EST | Special Weather Statement | MHX | 47 min |
| Dec 29, 7:12 AM EST | Special Weather Statement | MHX | 48 min |
| Dec 29, 7:57 AM EST | Special Weather Statement | MHX | 63 min |
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 | 18 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 55 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 21 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.