Alert archive / North Carolina / Durham County
Weather alerts in Durham County, North Carolina, 2014
152 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Durham County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 152
- Warnings
- 37
- Watches
- 17
- Advisories
- 30
- Busiest month
- January22 alerts
- Busiest day
- January 11, 201411 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 5 tornado warnings covering Durham County in 2014 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 4 minutes after it went out.
Durham County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 2 | 100% | 4 min |
| Severe thunderstorm warnings | 19 | 17 | 11% | 22 | 95% | 20 min |
| Flash flood warnings | 4 | 4 | 0% | 5 | 100% | 47 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Raleigh, NC: tornado warnings | 34 | 9 | 74% | 15 | 100% | 17 min |
| NWS Raleigh, NC: severe thunderstorm warnings | 197 | 144 | 27% | 375 | 88% | 23 min |
| NWS Raleigh, NC: flash flood warnings | 35 | 25 | 29% | 54 | 93% | 87 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 6, 2:49 AM EST | Wind Chill Advisory | RAH | 32 hr |
| Jan 11, 8:26 AM EST | Special Weather Statement | RAH | 49 min |
| Jan 11, 9:15 AM EST | Special Weather Statement | RAH | 75 min |
| Jan 11, 9:38 AM EST | Special Weather Statement | RAH | 52 min |
| Jan 11, 10:38 AM EST | Special Weather Statement | RAH | 52 min |
| Jan 11, 11:12 AM EST | Mesoscale Discussion | SPC | 63 min |
| Jan 11, 11:50 AM EST | Tornado Watch | SPC | 6 hr |
| Jan 11, 1:21 PM EST | Severe Thunderstorm Warning | RAH | 54 min |
| Jan 11, 1:41 PM EST | Tornado Warning | RAH | 34 min |
| Jan 11, 1:42 PM EST | Areal Flood Advisory | RAH | 2 hr |
| Jan 11, 2:01 PM EST | Tornado Warning | RAH | 29 min |
| Jan 11, 2:04 PM EST | Mesoscale Discussion | SPC | 56 min |
| Jan 15, 1:46 AM EST | Dense Fog Advisory | RAH | 8 hr |
| Jan 16, 5:08 AM EST | Special Weather Statement | RAH | 82 min |
| Jan 16, 5:51 AM EST | Special Weather Statement | RAH | 84 min |
| Jan 21, 4:49 AM EST | Winter Weather Advisory | RAH | 31 hr |
| Jan 23, 3:09 PM EST | Wind Chill Advisory | RAH | 18 hr |
| Jan 24, 3:33 PM EST | Fire Weather Watch | RAH | 13 hr |
| Jan 25, 4:11 AM EST | Red Flag Warning | RAH | 13 hr |
| Jan 27, 3:17 PM EST | Winter Storm Warning | RAH | 39 hr |
| Jan 27, 3:17 PM EST | Winter Weather Advisory | RAH | 69 hr |
| Jan 28, 5:18 PM EST | Special Weather Statement | RAH | 2 hr |
| Feb 10, 4:38 AM EST | Winter Storm Watch | RAH | 32 hr |
| Feb 11, 7:13 AM EST | Winter Storm Warning | RAH | 59 hr |
| Feb 12, 11:13 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 12, 7:40 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 13, 6:07 PM EST | Winter Weather Advisory | RAH | 16 hr |
| Feb 21, 8:57 AM EST | Mesoscale Discussion | SPC | 63 min |
| Feb 21, 10:02 AM EST | Tornado Watch | SPC | 6 hr |
| Feb 21, 10:27 AM EST | Severe Thunderstorm Warning | RAH | 48 min |
| Feb 21, 12:19 PM EST | Special Weather Statement | RAH | 86 min |
| Mar 2, 4:09 PM EST | Winter Weather Advisory | RAH | 44 hr |
| Mar 6, 4:41 AM EST | Winter Weather Advisory | RAH | 34 hr |
| Mar 6, 8:04 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 7, 12:37 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 7, 4:21 AM EST | Wind Advisory | RAH | 8 hr |
| Mar 7, 7:11 AM EST | Areal Flood Warning | RAH | 6 hr |
| Mar 7, 9:17 AM EST | Special Weather Statement | RAH | 43 min |
| Mar 7, 12:05 PM EST | Areal Flood Warning | RAH | 6 hr |
| Mar 7, 2:45 PM EST | Winter Weather Advisory | RAH | 18 hr |
| Mar 12, 4:07 AM EDT | Wind Advisory | RAH | 20 hr |
| Mar 12, 2:48 PM EDT | Fire Weather Watch | RAH | 13 hr |
| Mar 12, 4:21 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Mar 12, 4:58 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 12, 5:53 PM EDT | Severe Thunderstorm Warning | RAH | 52 min |
| Mar 12, 6:34 PM EDT | Severe Thunderstorm Warning | RAH | 56 min |
| Mar 12, 7:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Mar 13, 3:36 AM EDT | Red Flag Warning | RAH | 14 hr |
| Mar 13, 3:24 PM EDT | Fire Weather Watch | RAH | 12 hr |
| Mar 16, 3:47 AM EDT | Winter Weather Advisory | RAH | 56 hr |
| Mar 29, 3:17 AM EDT | Dense Fog Advisory | RAH | 7 hr |
| Mar 29, 7:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 29, 8:08 PM EDT | Tornado Watch | SPC | 4 hr |
| Apr 14, 3:37 PM EDT | Freeze Watch | RAH | 12 hr |
| Apr 15, 4:00 AM EDT | Freeze Warning | RAH | 29 hr |
| Apr 15, 4:43 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 6:32 AM EDT | Special Weather Statement | RAH | 28 min |
| Apr 15, 3:42 PM EDT | Special Weather Statement | RAH | 93 min |
| Apr 15, 4:02 PM EDT | Freeze Watch | RAH | 24 hr |
| Apr 16, 4:14 AM EDT | Freeze Warning | RAH | 29 hr |
| Apr 25, 12:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 1:19 PM EDT | Tornado Watch | SPC | 10 hr |
| Apr 25, 2:08 PM EDT | Severe Thunderstorm Warning | RAH | 67 min |
| Apr 25, 2:38 PM EDT | Severe Thunderstorm Warning | RAH | 67 min |
| Apr 25, 3:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 25, 4:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Apr 25, 4:59 PM EDT | Special Weather Statement | RAH | 61 min |
| Apr 25, 5:18 PM EDT | Severe Thunderstorm Warning | RAH | 42 min |
| Apr 28, 4:01 PM EDT | Flash Flood Watch | RAH | 50 hr |
| Apr 29, 1:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Apr 30, 4:49 AM EDT | Special Weather Statement | RAH | 41 min |
| Apr 30, 4:51 AM EDT | Tornado Warning | RAH | 39 min |
| Apr 30, 5:22 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 30, 5:24 AM EDT | Tornado Warning | RAH | 51 min |
| May 15, 3:55 AM EDT | Flash Flood Watch | RAH | 25 hr |
| May 15, 8:29 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 11:56 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 15, 12:48 PM EDT | Special Weather Statement | RAH | 27 min |
| May 15, 1:28 PM EDT | Severe Thunderstorm Warning | RAH | 47 min |
| May 15, 1:51 PM EDT | Areal Flood Advisory | RAH | 114 min |
| May 15, 3:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| May 15, 5:54 PM EDT | Severe Thunderstorm Warning | RAH | 66 min |
| May 15, 6:06 PM EDT | Tornado Warning | RAH | 24 min |
| May 15, 6:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 15, 7:06 PM EDT | Special Weather Statement | RAH | 54 min |
| May 15, 8:12 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| May 15, 9:17 PM EDT | Flash Flood Warning | RAH | 6 hr |
| May 27, 3:35 PM EDT | Severe Thunderstorm Warning | RAH | 40 min |
| Jun 4, 2:37 PM EDT | Special Weather Statement | RAH | 53 min |
| Jun 4, 3:35 PM EDT | Special Weather Statement | RAH | 55 min |
| Jun 4, 3:41 PM EDT | Severe Thunderstorm Warning | RAH | 49 min |
| Jun 11, 2:25 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 11, 2:57 PM EDT | Special Weather Statement | RAH | 63 min |
| Jun 11, 3:05 PM EDT | Severe Thunderstorm Warning | RAH | 40 min |
| Jun 11, 5:33 PM EDT | Severe Thunderstorm Warning | RAH | 57 min |
| Jun 11, 5:43 PM EDT | Flash Flood Warning | RAH | 3 hr |
| Jun 11, 10:19 PM EDT | Special Weather Statement | RAH | 56 min |
| Jun 13, 3:07 PM EDT | Special Weather Statement | RAH | 38 min |
| Jun 13, 5:25 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jun 13, 5:33 PM EDT | Special Weather Statement | RAH | 42 min |
| Jun 16, 6:35 PM EDT | Special Weather Statement | RAH | 55 min |
| Jun 19, 2:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 19, 5:03 PM EDT | Special Weather Statement | RAH | 42 min |
| Jun 19, 5:08 PM EDT | Severe Thunderstorm Warning | RAH | 52 min |
| Jun 19, 6:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 20, 10:11 PM EDT | Special Weather Statement | RAH | 64 min |
| Jun 27, 2:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 1:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jul 9, 5:13 PM EDT | Special Weather Statement | RAH | 62 min |
| Jul 14, 12:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 14, 8:13 PM EDT | Special Weather Statement | RAH | 47 min |
| Jul 15, 2:43 PM EDT | Special Weather Statement | RAH | 47 min |
| Jul 15, 3:53 PM EDT | Severe Thunderstorm Warning | RAH | 37 min |
| Jul 15, 4:27 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jul 15, 4:34 PM EDT | Severe Thunderstorm Warning | RAH | 56 min |
| Jul 15, 4:59 PM EDT | Flash Flood Warning | RAH | 3 hr |
| Jul 21, 11:58 AM EDT | Flash Flood Warning | RAH | 3 hr |
| Jul 21, 4:31 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Jul 23, 5:35 AM EDT | Dense Fog Advisory | RAH | 3 hr |
| Jul 24, 5:44 PM EDT | Special Weather Statement | RAH | 61 min |
| Jul 24, 6:24 PM EDT | Severe Thunderstorm Warning | RAH | 51 min |
| Jul 27, 9:40 AM EDT | Special Weather Statement | RAH | 65 min |
| Jul 27, 11:28 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 4:52 PM EDT | Special Weather Statement | RAH | 38 min |
| Aug 1, 4:03 PM EDT | Special Weather Statement | RAH | 117 min |
| Aug 1, 5:23 PM EDT | Special Weather Statement | RAH | 97 min |
| Aug 2, 3:02 PM EDT | Special Weather Statement | RAH | 58 min |
| Aug 3, 6:16 AM EDT | Dense Fog Advisory | RAH | 3 hr |
| Aug 4, 3:47 AM EDT | Dense Fog Advisory | RAH | 5 hr |
| Aug 12, 5:27 PM EDT | Severe Thunderstorm Warning | RAH | 48 min |
| Aug 12, 6:02 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Aug 12, 6:20 PM EDT | Special Weather Statement | RAH | 55 min |
| Aug 12, 6:40 PM EDT | Severe Thunderstorm Warning | RAH | 50 min |
| Aug 18, 5:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Aug 18, 6:05 PM EDT | Special Weather Statement | RAH | 40 min |
| Aug 18, 6:24 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Aug 20, 5:00 PM EDT | Special Weather Statement | RAH | 60 min |
| Aug 21, 9:08 PM EDT | Special Weather Statement | RAH | 52 min |
| Aug 22, 4:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Sep 4, 6:18 PM EDT | Special Weather Statement | RAH | 57 min |
| Sep 8, 7:26 AM EDT | Special Weather Statement | RAH | 79 min |
| Sep 8, 9:49 AM EDT | Flash Flood Watch | RAH | 18 hr |
| Sep 24, 12:50 PM EDT | Special Weather Statement | RAH | 115 min |
| Sep 30, 3:25 AM EDT | Dense Fog Advisory | RAH | 6 hr |
| Oct 1, 3:36 AM EDT | Dense Fog Advisory | RAH | 6 hr |
| Oct 11, 2:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 15, 4:46 AM EDT | Areal Flood Advisory | RAH | 3 hr |
| Nov 1, 2:58 PM EDT | Freeze Watch | RAH | 13 hr |
| Nov 2, 3:14 AM EST | Freeze Warning | RAH | 29 hr |
| Nov 11, 11:17 PM EST | Dense Fog Advisory | RAH | 9 hr |
| Nov 17, 6:09 AM EST | Dense Fog Advisory | RAH | 3 hr |
| Dec 24, 12:03 PM EST | Areal Flood Advisory | RAH | 3 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 | 19 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 40 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 10 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 7 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.