Alert archive / North Carolina / Halifax County
Weather alerts in Halifax County, North Carolina, 2013
129 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 129
- Warnings
- 18
- Watches
- 15
- Advisories
- 23
- Busiest month
- June41 alerts
- Busiest day
- June 7, 201310 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, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 7 | 30% | 6 | 83% | 24 min |
| Flash flood warnings | 4 | 2 | 50% | 1 | 100% | 1 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Raleigh, NC: tornado warnings | 11 | 4 | 64% | 6 | 83% | 10 min |
| NWS Raleigh, NC: severe thunderstorm warnings | 137 | 103 | 25% | 372 | 90% | 24 min |
| NWS Raleigh, NC: flash flood warnings | 48 | 32 | 33% | 119 | 97% | 62 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 11, 2:12 PM EST | Dense Fog Advisory | RAH | 21 hr |
| Jan 12, 9:08 PM EST | Dense Fog Advisory | RAH | 14 hr |
| Jan 16, 3:44 PM EST | Winter Storm Watch | RAH | 12 hr |
| Jan 17, 3:56 AM EST | Winter Storm Warning | RAH | 22 hr |
| Jan 24, 3:05 PM EST | Winter Weather Advisory | RAH | 44 hr |
| Jan 25, 12:43 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 25, 2:12 PM EST | Special Weather Statement | RAH | 78 min |
| Jan 27, 3:07 PM EST | Freezing Rain Advisory | RAH | 18 hr |
| Jan 29, 9:55 PM EST | Wind Advisory | RAH | 30 hr |
| Jan 30, 7:56 PM EST | Mesoscale Discussion | SPC | 94 min |
| Jan 30, 8:21 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 30, 10:42 PM EST | Mesoscale Discussion | SPC | 93 min |
| Jan 31, 12:45 AM EST | Special Weather Statement | RAH | 75 min |
| Jan 31, 12:52 AM EST | Mesoscale Discussion | SPC | 83 min |
| Feb 8, 4:00 AM EST | Areal Flood Advisory | RAH | 3 hr |
| Feb 15, 3:51 PM EST | Winter Weather Advisory | RAH | 30 hr |
| Feb 16, 10:05 PM EST | Winter Weather Advisory | RAH | 12 hr |
| Feb 21, 3:36 PM EST | Winter Weather Advisory | RAH | 18 hr |
| Mar 5, 3:41 PM EST | Wind Advisory | RAH | 27 hr |
| Mar 16, 7:00 PM EDT | Special Weather Statement | RAH | 60 min |
| Apr 2, 3:28 PM EDT | Frost Advisory | RAH | 17 hr |
| Apr 3, 4:10 AM EDT | Freeze Watch | RAH | 11 hr |
| Apr 3, 3:01 PM EDT | Freeze Warning | RAH | 6 hr |
| Apr 12, 1:58 AM EDT | Mesoscale Discussion | SPC | 92 min |
| Apr 12, 2:57 AM EDT | Tornado Watch | SPC | 6 hr |
| Apr 12, 7:25 AM EDT | Mesoscale Discussion | SPC | 65 min |
| Apr 12, 2:32 PM EDT | Special Weather Statement | RAH | 58 min |
| Apr 19, 4:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Apr 19, 6:27 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 19, 6:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Apr 19, 7:14 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Apr 19, 7:52 PM EDT | Severe Thunderstorm Warning | RAH | 53 min |
| May 7, 1:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 9, 1:23 AM EDT | Dense Fog Advisory | RAH | 7 hr |
| May 11, 1:44 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 11, 6:20 PM EDT | Special Weather Statement | RAH | 40 min |
| May 11, 7:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| May 13, 9:22 PM EDT | Frost Advisory | RAH | 11 hr |
| May 19, 2:57 PM EDT | Special Weather Statement | RAH | 63 min |
| May 21, 4:29 PM EDT | Areal Flood Advisory | RAH | 2 hr |
| May 21, 4:48 PM EDT | Flash Flood Warning | RAH | 117 min |
| May 23, 1:32 PM EDT | Special Weather Statement | RAH | 88 min |
| May 23, 3:12 PM EDT | Special Weather Statement | RAH | 63 min |
| May 23, 4:20 PM EDT | Areal Flood Advisory | RAH | 70 min |
| Jun 6, 4:15 AM EDT | Flash Flood Watch | RAH | 38 hr |
| Jun 7, 5:37 AM EDT | Tornado Watch | SPC | 7 hr |
| Jun 7, 8:35 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Jun 7, 10:33 AM EDT | Special Weather Statement | RAH | 42 min |
| Jun 7, 11:19 AM EDT | Special Weather Statement | RAH | 41 min |
| Jun 7, 11:25 AM EDT | Flash Flood Warning | RAH | 110 min |
| Jun 7, 11:53 AM EDT | Special Weather Statement | RAH | 37 min |
| Jun 7, 1:00 PM EDT | Tornado Watch | SPC | 7 hr |
| Jun 7, 3:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 7, 4:00 PM EDT | Flash Flood Warning | RAH | 3 hr |
| Jun 7, 7:04 PM EDT | Flash Flood Warning | RAH | 116 min |
| Jun 9, 7:08 PM EDT | Special Weather Statement | RAH | 37 min |
| Jun 10, 3:50 AM EDT | Flash Flood Watch | RAH | 17 hr |
| Jun 10, 12:09 PM EDT | River Flood Warning | RAH | 33 hr |
| Jun 10, 12:48 PM EDT | Special Weather Statement | RAH | 72 min |
| Jun 10, 1:18 PM EDT | Tornado Watch | SPC | 9 hr |
| Jun 10, 1:30 PM EDT | Severe Thunderstorm Warning | RAH | 30 min |
| Jun 10, 6:38 PM EDT | Severe Thunderstorm Warning | RAH | 37 min |
| Jun 10, 6:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jun 13, 11:38 AM EDT | Mesoscale Discussion | SPC | 67 min |
| Jun 13, 1:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 13, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 13, 4:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 13, 5:03 PM EDT | Severe Thunderstorm Warning | RAH | 57 min |
| Jun 13, 5:56 PM EDT | Severe Thunderstorm Warning | RAH | 94 min |
| Jun 18, 7:28 PM EDT | Severe Thunderstorm Warning | RAH | 62 min |
| Jun 18, 7:38 PM EDT | Special Weather Statement | RAH | 82 min |
| Jun 18, 8:04 PM EDT | Severe Thunderstorm Warning | RAH | 56 min |
| Jun 22, 10:36 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jun 26, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 26, 6:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 26, 8:02 PM EDT | Special Weather Statement | RAH | 118 min |
| Jun 27, 6:17 PM EDT | Special Weather Statement | RAH | 43 min |
| Jun 28, 1:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jun 28, 2:51 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 6:14 PM EDT | Special Weather Statement | RAH | 31 min |
| Jun 28, 6:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Jun 28, 7:02 PM EDT | Special Weather Statement | RAH | 58 min |
| Jun 29, 12:12 AM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jun 30, 3:28 PM EDT | Flash Flood Watch | RAH | 3 days |
| Jul 1, 1:55 PM EDT | Special Weather Statement | RAH | 50 min |
| Jul 1, 2:55 PM EDT | Special Weather Statement | RAH | 50 min |
| Jul 2, 11:33 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 2, 1:28 PM EDT | Special Weather Statement | RAH | 62 min |
| Jul 3, 1:26 PM EDT | Special Weather Statement | RAH | 64 min |
| Jul 11, 10:46 AM EDT | Flash Flood Watch | RAH | 34 hr |
| Jul 16, 11:26 PM EDT | Special Weather Statement | RAH | 64 min |
| Jul 16, 11:29 PM EDT | Severe Thunderstorm Warning | RAH | 46 min |
| Jul 24, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 24, 6:25 PM EDT | Severe Thunderstorm Warning | RAH | 65 min |
| Jul 24, 6:43 PM EDT | Areal Flood Advisory | RAH | 107 min |
| Jul 28, 2:55 PM EDT | Special Weather Statement | RAH | 50 min |
| Aug 3, 12:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 3, 4:09 PM EDT | Special Weather Statement | RAH | 66 min |
| Aug 3, 7:20 PM EDT | Special Weather Statement | RAH | 55 min |
| Aug 10, 11:56 AM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 11, 3:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Aug 13, 2:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Aug 20, 2:33 AM EDT | Dense Fog Advisory | RAH | 6 hr |
| Aug 22, 2:26 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 23, 1:14 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 23, 3:28 PM EDT | Special Weather Statement | RAH | 92 min |
| Aug 23, 5:01 PM EDT | Special Weather Statement | RAH | 59 min |
| Aug 31, 4:00 AM EDT | Dense Fog Advisory | RAH | 5 hr |
| Sep 1, 3:39 PM EDT | Special Weather Statement | RAH | 66 min |
| Sep 1, 8:00 PM EDT | Special Weather Statement | RAH | 90 min |
| Sep 3, 11:12 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 3, 12:26 PM EDT | Special Weather Statement | RAH | 49 min |
| Sep 21, 7:32 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 8:20 PM EDT | Special Weather Statement | RAH | 55 min |
| Oct 6, 6:22 AM EDT | Dense Fog Advisory | RAH | 4 hr |
| Oct 7, 12:12 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 7, 12:37 PM EDT | Special Weather Statement | RAH | 38 min |
| Oct 24, 2:57 PM EDT | Freeze Watch | RAH | 13 hr |
| Oct 25, 3:27 AM EDT | Freeze Warning | RAH | 30 hr |
| Nov 2, 6:42 PM EDT | Special Weather Statement | RAH | 78 min |
| Nov 18, 5:36 AM EST | Special Weather Statement | RAH | 84 min |
| Dec 5, 12:39 AM EST | Dense Fog Advisory | RAH | 8 hr |
| Dec 17, 8:53 PM EST | Special Weather Statement | RAH | 52 min |
| Dec 17, 10:00 PM EST | Special Weather Statement | RAH | 45 min |
| Dec 23, 1:24 AM EST | Special Weather Statement | RAH | 51 min |
| Dec 23, 4:35 AM EST | Special Weather Statement | RAH | 55 min |
| Dec 23, 9:19 AM EST | Special Weather Statement | RAH | 56 min |
| Dec 26, 5:22 AM EST | Winter Weather Advisory | RAH | 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 | 10 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 33 |
| Special Weather Statement | 40 |
| Flooding | |
| Flash Flood Warning | 4 |
| River Flood Warning | 1 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.