Alert archive / North Carolina / Greene County
Weather alerts in Greene County, North Carolina, 2012
162 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greene County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 162
- Warnings
- 15
- Watches
- 20
- Advisories
- 21
- Busiest month
- July47 alerts
- Busiest day
- July 24, 20128 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Greene County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 10 | 17% | 3 | 67% | 11 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Newport/Morehead City, NC: tornado warnings | 17 | 5 | 71% | 12 | 58% | 8 min |
| NWS Newport/Morehead City, NC: severe thunderstorm warnings | 78 | 50 | 36% | 181 | 88% | 26 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 23, 9:16 AM EST | Dense Fog Advisory | MHX | 104 min |
| Jan 27, 8:17 AM EST | Mesoscale Discussion | SPC | 88 min |
| Jan 27, 8:51 AM EST | Special Weather Statement | MHX | 54 min |
| Feb 23, 2:29 AM EST | Special Weather Statement | MHX | 46 min |
| Feb 24, 12:43 PM EST | Mesoscale Discussion | SPC | 92 min |
| Feb 24, 1:19 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 24, 4:45 PM EST | Mesoscale Discussion | SPC | 90 min |
| Mar 1, 3:21 AM EST | Mesoscale Discussion | SPC | 54 min |
| Mar 3, 3:58 AM EST | Mesoscale Discussion | SPC | 92 min |
| Mar 3, 6:56 AM EST | Special Weather Statement | MHX | 49 min |
| Mar 5, 3:55 AM EST | Wind Advisory | MHX | 14 hr |
| Mar 21, 1:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Mar 24, 4:54 PM EDT | Special Weather Statement | MHX | 66 min |
| Mar 24, 6:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 6:35 PM EDT | Special Weather Statement | MHX | 55 min |
| Mar 24, 7:34 PM EDT | Special Weather Statement | MHX | 56 min |
| Mar 24, 7:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Mar 24, 10:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Mar 25, 12:31 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 3:27 AM EDT | Frost Advisory | MHX | 27 hr |
| Mar 30, 5:32 PM EDT | Special Weather Statement | MHX | 43 min |
| Mar 30, 5:54 PM EDT | Special Weather Statement | MHX | 51 min |
| Apr 1, 1:07 AM EDT | Special Weather Statement | MHX | 38 min |
| Apr 1, 1:50 AM EDT | Special Weather Statement | MHX | 40 min |
| Apr 4, 1:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 4, 2:27 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 6:06 PM EDT | Special Weather Statement | MHX | 54 min |
| Apr 4, 7:02 PM EDT | Special Weather Statement | MHX | 28 min |
| Apr 4, 11:41 PM EDT | Special Weather Statement | MHX | 64 min |
| Apr 6, 10:39 PM EDT | Frost Advisory | MHX | 9 hr |
| Apr 9, 10:37 AM EDT | Fire Weather Watch | MHX | 5 hr |
| Apr 9, 4:04 PM EDT | Red Flag Warning | MHX | 28 hr |
| Apr 10, 11:05 PM EDT | Special Weather Statement | MHX | 55 min |
| Apr 11, 4:46 AM EDT | Freeze Watch | MHX | 9 hr |
| Apr 11, 1:21 PM EDT | Freeze Warning | MHX | 18 hr |
| Apr 18, 9:50 PM EDT | Special Weather Statement | MHX | 55 min |
| May 1, 5:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 8:04 PM EDT | Special Weather Statement | MHX | 56 min |
| May 5, 1:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 2:38 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 5, 6:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 5, 7:33 PM EDT | Severe Thunderstorm Warning | MHX | 27 min |
| May 5, 8:00 PM EDT | Severe Thunderstorm Warning | MHX | 45 min |
| May 5, 8:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 9, 5:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 15, 6:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| May 16, 4:28 PM EDT | Special Weather Statement | MHX | 62 min |
| May 17, 3:50 AM EDT | Dense Fog Advisory | MHX | 5 hr |
| May 22, 2:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 22, 5:36 PM EDT | Special Weather Statement | MHX | 39 min |
| May 23, 1:15 PM EDT | Mesoscale Discussion | SPC | 60 min |
| May 23, 1:44 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 4:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| May 23, 7:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 23, 8:06 PM EDT | Special Weather Statement | MHX | 39 min |
| May 23, 8:49 PM EDT | Special Weather Statement | MHX | 41 min |
| May 24, 1:29 AM EDT | Areal Flood Advisory | MHX | 91 min |
| May 24, 1:33 PM EDT | Mesoscale Discussion | SPC | 87 min |
| May 28, 4:58 PM EDT | Special Weather Statement | MHX | 47 min |
| May 29, 3:08 AM EDT | Flood Watch | MHX | 41 hr |
| May 30, 8:16 AM EDT | Special Weather Statement | MHX | 119 min |
| May 30, 10:35 AM EDT | Special Weather Statement | MHX | 115 min |
| May 30, 12:45 PM EDT | Areal Flood Advisory | MHX | 3 hr |
| Jun 1, 1:54 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 1, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 1, 4:31 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 1, 7:42 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 4:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 8:28 PM EDT | Special Weather Statement | MHX | 62 min |
| Jun 25, 5:21 PM EDT | Mesoscale Discussion | SPC | 24 min |
| Jun 25, 5:34 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 7:44 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 25, 9:38 PM EDT | Special Weather Statement | MHX | 67 min |
| Jun 25, 9:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jun 28, 4:01 AM EDT | Excessive Heat Watch | MHX | 35 hr |
| Jun 28, 2:13 PM EDT | Heat Advisory | MHX | 30 hr |
| Jun 29, 2:52 PM EDT | Excessive Heat Warning | MHX | 52 hr |
| Jun 29, 2:52 PM EDT | Heat Advisory | MHX | 52 hr |
| Jun 30, 12:06 AM EDT | Special Weather Statement | MHX | 54 min |
| Jul 1, 12:56 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 2:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 1, 3:44 PM EDT | Severe Thunderstorm Warning | MHX | 66 min |
| Jul 1, 4:25 PM EDT | Severe Thunderstorm Warning | MHX | 65 min |
| Jul 1, 7:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jul 4, 3:38 PM EDT | Heat Advisory | MHX | 28 hr |
| Jul 4, 5:14 PM EDT | Special Weather Statement | MHX | 61 min |
| Jul 5, 4:13 AM EDT | Heat Advisory | MHX | 40 hr |
| Jul 5, 1:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jul 6, 4:16 AM EDT | Heat Advisory | MHX | 40 hr |
| Jul 7, 4:30 AM EDT | Excessive Heat Watch | MHX | 23 hr |
| Jul 8, 3:50 AM EDT | Heat Advisory | MHX | 16 hr |
| Jul 9, 1:36 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 9, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 9, 3:30 PM EDT | Special Weather Statement | MHX | 60 min |
| Jul 9, 4:39 PM EDT | Special Weather Statement | MHX | 66 min |
| Jul 9, 4:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jul 16, 12:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 16, 5:19 PM EDT | Special Weather Statement | MHX | 41 min |
| Jul 16, 5:29 PM EDT | Special Weather Statement | MHX | 46 min |
| Jul 20, 2:01 PM EDT | Special Weather Statement | MHX | 59 min |
| Jul 20, 2:47 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 3:01 PM EDT | Special Weather Statement | MHX | 59 min |
| Jul 20, 4:01 PM EDT | Special Weather Statement | MHX | 59 min |
| Jul 21, 2:17 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 4:58 PM EDT | Severe Thunderstorm Warning | MHX | 62 min |
| Jul 22, 2:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 12:58 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 4:33 PM EDT | Heat Advisory | MHX | 25 hr |
| Jul 23, 5:22 PM EDT | Special Weather Statement | MHX | 38 min |
| Jul 23, 5:27 PM EDT | Special Weather Statement | RAH | 18 min |
| Jul 23, 6:08 PM EDT | Severe Thunderstorm Warning | MHX | 52 min |
| Jul 23, 8:15 PM EDT | Special Weather Statement | MHX | 60 min |
| Jul 23, 8:26 PM EDT | Severe Thunderstorm Warning | MHX | 64 min |
| Jul 23, 8:52 PM EDT | Severe Thunderstorm Warning | MHX | 53 min |
| Jul 23, 11:38 PM EDT | Special Weather Statement | MHX | 37 min |
| Jul 24, 3:46 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Jul 24, 4:24 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 24, 4:30 PM EDT | Severe Thunderstorm Warning | MHX | 60 min |
| Jul 24, 4:46 PM EDT | Severe Thunderstorm Warning | MHX | 59 min |
| Jul 25, 3:27 PM EDT | Heat Advisory | MHX | 28 hr |
| Jul 26, 3:24 PM EDT | Heat Advisory | MHX | 29 hr |
| Jul 27, 7:50 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 27, 8:08 PM EDT | Special Weather Statement | MHX | 52 min |
| Jul 28, 2:18 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 28, 4:01 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 28, 10:29 PM EDT | Special Weather Statement | MHX | 61 min |
| Aug 2, 12:03 PM EDT | Special Weather Statement | MHX | 57 min |
| Aug 2, 12:52 PM EDT | Special Weather Statement | MHX | 53 min |
| Aug 2, 1:06 PM EDT | Severe Thunderstorm Warning | MHX | 54 min |
| Aug 2, 2:14 PM EDT | Severe Thunderstorm Warning | MHX | 61 min |
| Aug 6, 6:57 PM EDT | Special Weather Statement | MHX | 63 min |
| Aug 11, 1:27 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Aug 11, 5:04 PM EDT | Special Weather Statement | MHX | 41 min |
| Aug 15, 2:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 15, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 19, 9:53 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 19, 10:33 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 19, 1:19 PM EDT | Special Weather Statement | MHX | 56 min |
| Aug 28, 2:53 PM EDT | Flood Watch | MHX | 6 hr |
| Sep 8, 7:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Sep 8, 9:19 PM EDT | Special Weather Statement | MHX | 56 min |
| Sep 18, 8:49 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 18, 11:02 AM EDT | Special Weather Statement | MHX | 58 min |
| Sep 18, 11:19 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Sep 18, 1:00 PM EDT | Tornado Watch | SPC | 5 hr |
| Sep 18, 4:11 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Sep 18, 4:52 PM EDT | Special Weather Statement | MHX | 53 min |
| Sep 29, 6:31 AM EDT | Special Weather Statement | MHX | 59 min |
| Oct 8, 6:04 PM EDT | Areal Flood Advisory | MHX | 86 min |
| Oct 8, 7:31 PM EDT | Areal Flood Advisory | MHX | 89 min |
| Oct 15, 2:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Oct 15, 4:05 PM EDT | Special Weather Statement | MHX | 55 min |
| Oct 25, 4:41 AM EDT | Dense Fog Advisory | MHX | 4 hr |
| Nov 1, 3:43 PM EDT | Frost Advisory | MHX | 17 hr |
| Dec 4, 2:37 AM EST | Dense Fog Advisory | MHX | 6 hr |
| Dec 20, 11:43 PM EST | Special Weather Statement | MHX | 3 hr |
| Dec 21, 12:24 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 26, 8:07 AM EST | Mesoscale Discussion | SPC | 83 min |
| Dec 26, 10:08 AM EST | Tornado Watch | SPC | 6 hr |
| Dec 26, 2:20 PM EST | Mesoscale Discussion | SPC | 85 min |
| Dec 26, 2:25 PM EST | Special Weather Statement | MHX | 65 min |
| Dec 26, 6:11 PM EST | Mesoscale Discussion | SPC | 2 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 | 12 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 54 |
| Special Weather Statement | 52 |
| Flooding | |
| Flood Watch | 2 |
| Areal Flood Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 2 |
| Heat Advisory | 9 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.