Alert archive / North Carolina / Anson County
Weather alerts in Anson County, North Carolina, 2018
148 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Anson County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 148
- Warnings
- 34
- Watches
- 16
- Advisories
- 35
- Busiest month
- September23 alerts
- Busiest day
- April 15, 20188 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Anson County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 13 | 24% | 10 | 80% | 24 min |
| Flash flood warnings | 2 | 2 | 0% | 12 | 92% | 1007 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Raleigh, NC: tornado warnings | 28 | 6 | 79% | 16 | 94% | 7 min |
| NWS Raleigh, NC: severe thunderstorm warnings | 231 | 166 | 28% | 427 | 81% | 22 min |
| NWS Raleigh, NC: flash flood warnings | 74 | 57 | 23% | 235 | 93% | 439 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 1, 3:36 PM EST | Wind Chill Advisory | RAH | 17 hr |
| Jan 2, 2:30 PM EST | Winter Weather Advisory | RAH | 4 days |
| Jan 4, 4:05 AM EST | Wind Chill Advisory | RAH | 30 hr |
| Jan 5, 4:04 AM EST | Wind Chill Advisory | RAH | 30 hr |
| Jan 12, 1:19 PM EST | Special Weather Statement | RAH | 86 min |
| Jan 12, 4:28 PM EST | Areal Flood Advisory | RAH | 3 hr |
| Jan 12, 5:47 PM EST | Special Weather Statement | RAH | 88 min |
| Jan 16, 2:55 AM EST | Winter Weather Advisory | RAH | 3 days |
| Jan 16, 2:50 PM EST | Winter Storm Warning | RAH | 32 hr |
| Jan 17, 7:21 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 7, 1:48 PM EST | Special Weather Statement | RAH | 72 min |
| Feb 19, 10:45 PM EST | Dense Fog Advisory | RAH | 13 hr |
| Feb 24, 12:22 AM EST | Dense Fog Advisory | RAH | 8 hr |
| Mar 1, 1:28 PM EST | Wind Advisory | RAH | 32 hr |
| Mar 1, 2:05 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 9:14 AM EDT | Red Flag Warning | RAH | 10 hr |
| Mar 20, 9:00 PM EDT | Special Weather Statement | RAH | 90 min |
| Apr 5, 9:42 PM EDT | Frost Advisory | RAH | 9 hr |
| Apr 15, 11:15 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 11:30 AM EDT | Flash Flood Watch | RAH | 14 hr |
| Apr 15, 2:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Apr 15, 3:02 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 3:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Apr 15, 3:45 PM EDT | Severe Thunderstorm Warning | RAH | 45 min |
| Apr 15, 4:38 PM EDT | Severe Thunderstorm Warning | RAH | 52 min |
| Apr 15, 5:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Apr 16, 2:58 PM EDT | Frost Advisory | RAH | 18 hr |
| Apr 19, 3:17 AM EDT | Frost Advisory | RAH | 29 hr |
| May 10, 4:23 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 10, 7:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| May 10, 7:53 PM EDT | Special Weather Statement | RAH | 52 min |
| May 16, 5:41 PM EDT | Areal Flood Advisory | RAH | 2 hr |
| May 18, 2:31 PM EDT | Special Weather Statement | RAH | 89 min |
| May 21, 7:06 PM EDT | Special Weather Statement | RAH | 39 min |
| May 23, 3:51 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 5:05 PM EDT | Special Weather Statement | RAH | 55 min |
| May 24, 7:23 AM EDT | Areal Flood Advisory | RAH | 112 min |
| May 27, 4:40 AM EDT | Flash Flood Watch | RAH | 47 hr |
| May 29, 3:29 PM EDT | Special Weather Statement | RAH | 61 min |
| May 29, 5:21 PM EDT | Special Weather Statement | RAH | 54 min |
| Jun 1, 8:59 PM EDT | Special Weather Statement | RAH | 61 min |
| Jun 2, 8:54 PM EDT | Special Weather Statement | RAH | 66 min |
| Jun 2, 9:23 PM EDT | Areal Flood Advisory | RAH | 86 min |
| Jun 2, 10:29 PM EDT | Special Weather Statement | RAH | 31 min |
| Jun 3, 8:55 PM EDT | Severe Thunderstorm Warning | RAH | 50 min |
| Jun 11, 2:05 PM EDT | Severe Thunderstorm Warning | RAH | 55 min |
| Jun 11, 2:57 PM EDT | Special Weather Statement | RAH | 63 min |
| Jun 18, 2:53 PM EDT | Special Weather Statement | RAH | 52 min |
| Jun 20, 5:10 PM EDT | Special Weather Statement | RAH | 65 min |
| Jun 22, 11:14 PM EDT | Special Weather Statement | RAH | 61 min |
| Jun 25, 1:02 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 25, 6:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 7:03 PM EDT | Special Weather Statement | RAH | 72 min |
| Jun 25, 7:41 PM EDT | Severe Thunderstorm Warning | RAH | 79 min |
| Jun 25, 8:57 PM EDT | Severe Thunderstorm Warning | RAH | 78 min |
| Jun 25, 9:01 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jun 27, 6:15 PM EDT | Severe Thunderstorm Warning | RAH | 12 min |
| Jun 29, 2:16 PM EDT | Heat Advisory | RAH | 27 hr |
| Jul 4, 7:43 PM EDT | Special Weather Statement | RAH | 32 min |
| Jul 5, 8:02 PM EDT | Special Weather Statement | RAH | 28 min |
| Jul 6, 4:44 PM EDT | Severe Thunderstorm Warning | RAH | 91 min |
| Jul 6, 5:00 PM EDT | Areal Flood Advisory | RAH | 86 min |
| Jul 12, 1:42 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 22, 2:26 AM EDT | Special Weather Statement | RAH | 79 min |
| Jul 22, 2:53 AM EDT | Special Weather Statement | RAH | 52 min |
| Jul 22, 7:52 PM EDT | Special Weather Statement | RAH | 53 min |
| Jul 22, 8:09 PM EDT | Severe Thunderstorm Warning | RAH | 66 min |
| Jul 23, 3:14 AM EDT | Flash Flood Watch | RAH | 47 hr |
| Jul 23, 1:24 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 23, 3:54 PM EDT | Special Weather Statement | RAH | 66 min |
| Jul 23, 6:06 PM EDT | Special Weather Statement | RAH | 54 min |
| Jul 23, 6:31 PM EDT | Severe Thunderstorm Warning | RAH | 41 min |
| Jul 23, 7:09 PM EDT | Areal Flood Advisory | RAH | 111 min |
| Jul 25, 4:10 PM EDT | Special Weather Statement | RAH | 50 min |
| Jul 27, 9:04 PM EDT | Special Weather Statement | RAH | 41 min |
| Jul 27, 9:21 PM EDT | Areal Flood Advisory | RAH | 114 min |
| Jul 30, 12:54 PM EDT | Areal Flood Advisory | RAH | 3 hr |
| Aug 1, 10:20 PM EDT | Flash Flood Watch | RAH | 46 hr |
| Aug 2, 3:44 PM EDT | Special Weather Statement | RAH | 61 min |
| Aug 2, 3:46 PM EDT | Severe Thunderstorm Warning | RAH | 44 min |
| Aug 2, 4:16 PM EDT | Areal Flood Advisory | RAH | 93 min |
| Aug 2, 9:43 PM EDT | Special Weather Statement | RAH | 62 min |
| Aug 3, 4:13 PM EDT | Areal Flood Advisory | RAH | 70 min |
| Aug 5, 1:48 PM EDT | Special Weather Statement | RAH | 27 min |
| Aug 7, 6:19 PM EDT | Special Weather Statement | RAH | 41 min |
| Aug 8, 7:51 PM EDT | Severe Thunderstorm Warning | RAH | 54 min |
| Aug 12, 8:21 PM EDT | Severe Thunderstorm Warning | RAH | 39 min |
| Aug 12, 8:41 PM EDT | Areal Flood Advisory | RAH | 2 hr |
| Aug 12, 9:13 PM EDT | Special Weather Statement | RAH | 62 min |
| Aug 12, 9:53 PM EDT | Areal Flood Advisory | RAH | 112 min |
| Aug 12, 10:36 PM EDT | Areal Flood Advisory | RAH | 114 min |
| Aug 18, 2:45 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 21, 8:45 PM EDT | Special Weather Statement | RAH | 60 min |
| Aug 21, 10:00 PM EDT | Special Weather Statement | RAH | 60 min |
| Aug 31, 4:15 PM EDT | Special Weather Statement | RAH | 45 min |
| Sep 10, 3:29 PM EDT | Special Weather Statement | RAH | 46 min |
| Sep 10, 3:50 PM EDT | Severe Thunderstorm Warning | RAH | 55 min |
| Sep 12, 4:35 AM EDT | Flash Flood Watch | RAH | 5 days |
| Sep 12, 5:05 PM EDT | Tropical Storm Warning | RAH | 72 hr |
| Sep 14, 10:51 AM EDT | River Flood Warning | RAH | 4 days |
| Sep 15, 4:23 AM EDT | Areal Flood Advisory | RAH | 3 hr |
| Sep 15, 7:50 AM EDT | Areal Flood Advisory | RAH | 3 hr |
| Sep 15, 11:50 AM EDT | Areal Flood Advisory | RAH | 6 hr |
| Sep 15, 2:23 PM EDT | Flash Flood Warning | RAH | 24 hr |
| Sep 16, 6:55 AM EDT | Tornado Watch | SPC | 16 hr |
| Sep 16, 2:13 PM EDT | Flash Flood Warning | RAH | 22 hr |
| Sep 16, 3:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Sep 16, 4:14 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 16, 7:41 PM EDT | Special Weather Statement | RAH | 49 min |
| Sep 16, 8:55 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 17, 9:40 AM EDT | Areal Flood Warning | RAH | 8 hr |
| Sep 17, 5:45 PM EDT | Areal Flood Warning | RAH | 3 hr |
| Sep 17, 8:05 PM EDT | Areal Flood Warning | RAH | 8 days |
| Sep 27, 2:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 27, 3:07 PM EDT | Severe Thunderstorm Warning | RAH | 53 min |
| Sep 27, 5:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Sep 27, 9:41 PM EDT | Severe Thunderstorm Warning | RAH | 64 min |
| Sep 27, 10:42 PM EDT | Severe Thunderstorm Warning | RAH | 63 min |
| Oct 7, 5:42 AM EDT | Dense Fog Advisory | RAH | 4 hr |
| Oct 9, 4:04 PM EDT | Flash Flood Watch | RAH | 52 hr |
| Oct 9, 5:02 PM EDT | Tropical Storm Watch | RAH | 18 hr |
| Oct 10, 11:02 AM EDT | Tropical Storm Warning | RAH | 36 hr |
| Oct 10, 4:50 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 10, 10:31 PM EDT | River Flood Warning | RAH | 30 hr |
| Oct 10, 11:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Oct 11, 4:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Oct 11, 9:46 AM EDT | Areal Flood Advisory | RAH | 6 hr |
| Oct 16, 6:28 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 21, 3:56 AM EDT | Frost Advisory | RAH | 29 hr |
| Oct 21, 8:53 PM EDT | Freeze Warning | RAH | 12 hr |
| Nov 2, 3:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Nov 6, 4:36 AM EST | Dense Fog Advisory | RAH | 115 min |
| Nov 6, 12:26 PM EST | Special Weather Statement | RAH | 64 min |
| Nov 6, 1:44 PM EST | Special Weather Statement | RAH | 61 min |
| Nov 9, 10:46 AM EST | Freeze Watch | RAH | 17 hr |
| Nov 10, 3:36 AM EST | Freeze Warning | RAH | 29 hr |
| Nov 12, 11:21 PM EST | Areal Flood Advisory | RAH | 3 hr |
| Nov 13, 3:31 AM EST | River Flood Warning | RAH | 19 hr |
| Nov 14, 3:36 AM EST | Flood Watch | RAH | 35 hr |
| Nov 15, 2:19 PM EST | River Flood Warning | RAH | 15 hr |
| Dec 6, 3:41 PM EST | Winter Storm Watch | RAH | 36 hr |
| Dec 7, 3:54 PM EST | Winter Storm Warning | RAH | 60 hr |
| Dec 8, 3:45 AM EST | Winter Weather Advisory | RAH | 3 days |
| Dec 9, 3:08 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 13, 3:33 AM EST | Flash Flood Watch | RAH | 59 hr |
| Dec 20, 10:37 PM EST | River Flood Warning | RAH | 13 hr |
| Dec 28, 1:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 31, 5:18 AM EST | Dense Fog Advisory | RAH | 4 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 | 17 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 39 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| River Flood Warning | 5 |
| Flash Flood Watch | 7 |
| Flood Watch | 1 |
| Areal Flood Advisory | 18 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Tropical | |
| Tropical Storm Warning | 2 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.