Alert archive / North Carolina / Halifax County
Weather alerts in Halifax County, North Carolina, 2016
154 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Halifax County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 154
- Warnings
- 41
- Watches
- 16
- Advisories
- 35
- Busiest month
- July38 alerts
- Busiest day
- February 24, 20166 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Halifax County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 22 | 13 | 41% | 10 | 90% | 13 min |
| Flash flood warnings | 2 | 2 | 0% | 1 | 100% | 13 min |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Raleigh, NC: tornado warnings | 25 | 3 | 88% | 13 | 92% | 28 min |
| NWS Raleigh, NC: severe thunderstorm warnings | 300 | 223 | 26% | 542 | 87% | 23 min |
| NWS Raleigh, NC: flash flood warnings | 66 | 39 | 41% | 113 | 88% | 153 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 12, 11:28 AM EST | Wind Advisory | RAH | 7 hr |
| Jan 20, 10:25 AM EST | Winter Weather Advisory | RAH | 12 hr |
| Jan 20, 3:44 PM EST | Winter Storm Watch | RAH | 13 hr |
| Jan 21, 4:52 AM EST | Winter Storm Warning | RAH | 61 hr |
| Jan 21, 4:52 AM EST | Winter Weather Advisory | RAH | 3 days |
| Jan 22, 11:47 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 3, 3:58 PM EST | Special Weather Statement | RAH | 62 min |
| Feb 3, 4:14 PM EST | Areal Flood Advisory | RAH | 3 hr |
| Feb 3, 9:15 PM EST | River Flood Warning | RAH | 4 days |
| Feb 6, 3:12 AM EST | River Flood Warning | RAH | 52 hr |
| Feb 11, 3:37 PM EST | Winter Weather Advisory | RAH | 24 hr |
| Feb 14, 3:53 PM EST | Winter Weather Advisory | RAH | 32 hr |
| Feb 15, 11:34 PM EST | Dense Fog Advisory | RAH | 4 hr |
| Feb 16, 6:31 AM EST | Mesoscale Discussion | SPC | 119 min |
| Feb 23, 3:59 PM EST | Wind Advisory | RAH | 46 hr |
| Feb 24, 11:16 AM EST | Tornado Watch | SPC | 8 hr |
| Feb 24, 1:18 PM EST | Mesoscale Discussion | SPC | 117 min |
| Feb 24, 4:46 PM EST | Mesoscale Discussion | SPC | 89 min |
| Feb 24, 6:15 PM EST | Areal Flood Advisory | RAH | 45 min |
| Feb 24, 6:40 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 24, 6:50 PM EST | Tornado Watch | SPC | 4 hr |
| Feb 24, 7:23 PM EST | Special Weather Statement | RAH | 52 min |
| Mar 13, 7:45 PM EDT | Special Weather Statement | RAH | 60 min |
| Mar 13, 8:02 PM EDT | Severe Thunderstorm Warning | RAH | 43 min |
| Mar 13, 8:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Mar 13, 9:27 PM EDT | Special Weather Statement | RAH | 63 min |
| Mar 13, 9:44 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Mar 14, 10:59 PM EDT | Special Weather Statement | RAH | 61 min |
| Mar 14, 11:25 PM EDT | Severe Thunderstorm Warning | RAH | 50 min |
| Mar 21, 3:07 AM EDT | Frost Advisory | RAH | 30 hr |
| Apr 4, 2:49 AM EDT | Freeze Watch | RAH | 24 hr |
| Apr 5, 2:49 AM EDT | Freeze Warning | RAH | 30 hr |
| Apr 7, 7:04 PM EDT | Special Weather Statement | RAH | 41 min |
| Apr 7, 7:53 PM EDT | Special Weather Statement | RAH | 67 min |
| Apr 8, 4:24 AM EDT | Freeze Watch | RAH | 24 hr |
| Apr 8, 3:58 PM EDT | Red Flag Warning | RAH | 28 hr |
| Apr 9, 4:12 AM EDT | Freeze Warning | RAH | 29 hr |
| Apr 9, 4:12 AM EDT | Wind Advisory | RAH | 15 hr |
| Apr 23, 4:29 PM EDT | Special Weather Statement | RAH | 61 min |
| Apr 23, 4:38 PM EDT | Severe Thunderstorm Warning | RAH | 52 min |
| Apr 28, 1:18 AM EDT | Areal Flood Advisory | RAH | 2 hr |
| Apr 28, 4:21 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 7:03 PM EDT | Special Weather Statement | RAH | 57 min |
| Apr 28, 7:03 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Apr 28, 7:08 PM EDT | Severe Thunderstorm Warning | RAH | 37 min |
| May 2, 2:43 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 3, 2:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 3, 5:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 3, 8:59 PM EDT | Severe Thunderstorm Warning | RAH | 31 min |
| May 11, 2:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 11, 7:18 PM EDT | Special Weather Statement | RAH | 57 min |
| May 13, 1:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 3:50 PM EDT | Special Weather Statement | RAH | 55 min |
| Jun 3, 3:02 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 3:15 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 1:31 AM EDT | Special Weather Statement | RAH | 59 min |
| Jun 5, 3:48 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 5, 7:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 5, 7:59 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Jun 12, 7:20 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 15, 9:12 PM EDT | Special Weather Statement | RAH | 93 min |
| Jun 16, 10:52 PM EDT | Special Weather Statement | RAH | 83 min |
| Jun 16, 11:02 PM EDT | Severe Thunderstorm Warning | RAH | 58 min |
| Jun 17, 12:06 AM EDT | Special Weather Statement | RAH | 54 min |
| Jun 22, 4:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 9:47 PM EDT | Special Weather Statement | RAH | 58 min |
| Jun 22, 10:21 PM EDT | Severe Thunderstorm Warning | RAH | 20 min |
| Jun 23, 4:51 AM EDT | Severe Thunderstorm Warning | RAH | 39 min |
| Jun 23, 3:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 7:36 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Jun 23, 8:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 2, 3:00 AM EDT | Special Weather Statement | RAH | 60 min |
| Jul 5, 2:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 5, 4:42 PM EDT | Special Weather Statement | RAH | 63 min |
| Jul 5, 4:46 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 5, 6:08 PM EDT | Special Weather Statement | RAH | 67 min |
| Jul 7, 3:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 7, 4:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 7, 7:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 7, 7:58 PM EDT | Special Weather Statement | RAH | 77 min |
| Jul 8, 5:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jul 8, 6:08 PM EDT | Severe Thunderstorm Warning | RAH | 37 min |
| Jul 8, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 8, 6:44 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Jul 8, 7:05 PM EDT | Severe Thunderstorm Warning | RAH | 70 min |
| Jul 8, 8:03 PM EDT | Severe Thunderstorm Warning | RAH | 72 min |
| Jul 13, 6:55 PM EDT | Special Weather Statement | RAH | 65 min |
| Jul 14, 4:10 AM EDT | Heat Advisory | RAH | 15 hr |
| Jul 15, 1:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 15, 5:48 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jul 15, 6:13 PM EDT | Severe Thunderstorm Warning | RAH | 62 min |
| Jul 16, 6:00 PM EDT | Severe Thunderstorm Warning | RAH | 30 min |
| Jul 19, 6:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 19, 7:09 PM EDT | Severe Thunderstorm Warning | RAH | 66 min |
| Jul 19, 8:14 PM EDT | Severe Thunderstorm Warning | RAH | 47 min |
| Jul 20, 1:46 AM EDT | Special Weather Statement | RAH | 74 min |
| Jul 23, 3:31 PM EDT | Heat Advisory | RAH | 28 hr |
| Jul 24, 8:18 PM EDT | Heat Advisory | RAH | 24 hr |
| Jul 25, 3:35 PM EDT | Heat Advisory | RAH | 28 hr |
| Jul 26, 3:55 PM EDT | Heat Advisory | RAH | 28 hr |
| Jul 26, 6:21 PM EDT | Special Weather Statement | RAH | 39 min |
| Jul 26, 7:11 PM EDT | Severe Thunderstorm Warning | RAH | 33 min |
| Jul 27, 3:42 PM EDT | Heat Advisory | RAH | 28 hr |
| Jul 27, 5:56 PM EDT | Special Weather Statement | RAH | 34 min |
| Jul 28, 10:55 AM EDT | Excessive Heat Warning | RAH | 9 hr |
| Jul 29, 2:50 AM EDT | Heat Advisory | RAH | 17 hr |
| Jul 30, 5:00 PM EDT | Areal Flood Advisory | RAH | 60 min |
| Jul 31, 4:24 PM EDT | Severe Thunderstorm Warning | RAH | 31 min |
| Jul 31, 5:49 PM EDT | Special Weather Statement | AKQ | 26 min |
| Aug 2, 2:42 PM EDT | Special Weather Statement | AKQ | 48 min |
| Aug 2, 3:33 PM EDT | Special Weather Statement | RAH | 72 min |
| Aug 2, 5:07 PM EDT | Areal Flood Advisory | RAH | 53 min |
| Aug 8, 3:28 AM EDT | Special Weather Statement | RAH | 92 min |
| Aug 14, 3:36 AM EDT | Heat Advisory | RAH | 16 hr |
| Aug 14, 3:50 PM EDT | Heat Advisory | RAH | 28 hr |
| Aug 17, 3:48 AM EDT | Heat Advisory | RAH | 15 hr |
| Aug 17, 4:44 PM EDT | Severe Thunderstorm Warning | RAH | 31 min |
| Aug 17, 7:00 PM EDT | Special Weather Statement | RAH | 30 min |
| Aug 17, 7:31 PM EDT | Special Weather Statement | RAH | 44 min |
| Aug 19, 2:40 PM EDT | Areal Flood Advisory | RAH | 2 hr |
| Aug 21, 6:45 PM EDT | Special Weather Statement | RAH | 60 min |
| Aug 26, 12:02 PM EDT | Heat Advisory | RAH | 7 hr |
| Sep 1, 12:43 PM EDT | Flash Flood Watch | RAH | 39 hr |
| Sep 1, 2:15 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Sep 2, 3:56 AM EDT | Wind Advisory | RAH | 27 hr |
| Sep 18, 5:21 AM EDT | Dense Fog Advisory | RAH | 4 hr |
| Sep 19, 1:12 PM EDT | Special Weather Statement | RAH | 78 min |
| Sep 21, 5:16 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Sep 28, 12:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Sep 28, 2:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Sep 28, 3:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 28, 4:41 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 28, 7:02 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Sep 28, 9:26 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Sep 29, 8:32 AM EDT | Areal Flood Advisory | RAH | 3 hr |
| Sep 30, 11:09 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 6, 9:46 PM EDT | Flash Flood Watch | RAH | 53 hr |
| Oct 7, 3:05 PM EDT | Wind Advisory | RAH | 51 hr |
| Oct 8, 2:04 PM EDT | Flash Flood Warning | RAH | 8 hr |
| Oct 8, 3:54 PM EDT | River Flood Warning | RAH | 5 days |
| Oct 8, 9:46 PM EDT | Flash Flood Warning | RAH | 4 hr |
| Oct 9, 1:50 AM EDT | Areal Flood Warning | RAH | 12 hr |
| Oct 9, 3:25 AM EDT | River Flood Warning | RAH | 5 days |
| Oct 9, 1:39 PM EDT | Areal Flood Warning | RAH | 9 hr |
| Oct 9, 10:32 PM EDT | Areal Flood Warning | RAH | 24 hr |
| Oct 10, 2:10 AM EDT | River Flood Warning | RAH | 18 hr |
| Oct 10, 10:33 PM EDT | Areal Flood Warning | RAH | 4 days |
| Oct 14, 11:50 AM EDT | River Flood Warning | RAH | 9 days |
| Oct 14, 11:50 AM EDT | River Flood Warning | RAH | 71 hr |
| Nov 7, 2:01 PM EST | Frost Advisory | RAH | 19 hr |
| Nov 11, 3:40 PM EST | Freeze Watch | RAH | 22 hr |
| Nov 12, 1:55 PM EST | Freeze Warning | RAH | 19 hr |
| Dec 12, 10:19 PM EST | Dense Fog Advisory | RAH | 8 hr |
| Dec 16, 1:38 PM EST | Freezing Rain Advisory | RAH | 19 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 | 22 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 32 |
| Flooding | |
| Areal Flood Warning | 4 |
| Flash Flood Warning | 2 |
| River Flood Warning | 7 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 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 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.