Alert archive / Virginia / Surry County
Weather alerts in Surry County, Virginia, 2010
131 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Surry County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 131
- Warnings
- 20
- Watches
- 22
- Advisories
- 27
- Busiest month
- August20 alerts
- Busiest day
- September 30, 201013 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Surry County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 11 | 8% | 1 | 0% | |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Wakefield, VA: tornado warnings | 50 | 6 | 88% | 16 | 56% | 19 min |
| NWS Wakefield, VA: severe thunderstorm warnings | 170 | 133 | 22% | 362 | 82% | 23 min |
| NWS Wakefield, VA: flash flood warnings | 11 | 9 | 18% | 18 | 89% | 94 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, 1:15 AM EST | Dense Fog Advisory | AKQ | 8 hr |
| Jan 7, 3:57 PM EST | Winter Weather Advisory | AKQ | 18 hr |
| Jan 28, 3:56 AM EST | Winter Storm Watch | AKQ | 36 hr |
| Jan 29, 4:04 AM EST | Winter Storm Warning | AKQ | 48 hr |
| Jan 30, 8:10 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 4, 3:21 PM EST | Flood Watch | AKQ | 37 hr |
| Feb 5, 3:29 PM EST | Winter Weather Advisory | AKQ | 26 hr |
| Feb 8, 3:34 PM EST | Winter Storm Watch | AKQ | 12 hr |
| Feb 9, 2:41 PM EST | Wind Advisory | AKQ | 32 hr |
| Feb 12, 11:33 AM EST | Winter Weather Advisory | AKQ | 24 hr |
| Feb 24, 3:28 PM EST | Winter Weather Advisory | AKQ | 21 hr |
| Feb 25, 4:08 AM EST | Wind Advisory | AKQ | 37 hr |
| Mar 12, 4:35 AM EST | Flood Watch | AKQ | 24 hr |
| Mar 28, 10:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Mar 29, 1:54 AM EDT | Mesoscale Discussion | SPC | 36 min |
| Mar 29, 6:28 AM EDT | Areal Flood Advisory | AKQ | 3 hr |
| Apr 8, 10:25 PM EDT | Severe Thunderstorm Warning | AKQ | 35 min |
| Apr 22, 5:00 AM EDT | Dense Fog Advisory | AKQ | 114 min |
| Apr 26, 6:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 12, 2:20 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 12, 5:17 PM EDT | Severe Thunderstorm Warning | AKQ | 58 min |
| May 12, 6:13 PM EDT | Severe Thunderstorm Warning | AKQ | 47 min |
| May 23, 1:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| May 23, 2:40 PM EDT | Special Weather Statement | AKQ | 50 min |
| May 30, 3:29 PM EDT | Special Weather Statement | AKQ | 61 min |
| May 30, 4:27 PM EDT | Special Weather Statement | AKQ | 63 min |
| Jun 2, 7:25 PM EDT | Special Weather Statement | AKQ | 50 min |
| Jun 3, 7:28 PM EDT | Special Weather Statement | AKQ | 62 min |
| Jun 3, 11:12 PM EDT | Special Weather Statement | AKQ | 63 min |
| Jun 6, 8:09 PM EDT | Special Weather Statement | AKQ | 66 min |
| Jun 12, 3:10 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 12, 5:10 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Jun 12, 6:06 PM EDT | Special Weather Statement | AKQ | 54 min |
| Jun 16, 5:45 AM EDT | Special Weather Statement | AKQ | 60 min |
| Jun 16, 2:19 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 16, 4:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 23, 2:30 PM EDT | Heat Advisory | AKQ | 30 hr |
| Jun 26, 1:33 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Jun 28, 6:37 PM EDT | Special Weather Statement | AKQ | 38 min |
| Jul 8, 1:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 12, 6:23 AM EDT | Special Weather Statement | AKQ | 57 min |
| Jul 16, 6:08 PM EDT | Severe Thunderstorm Warning | AKQ | 52 min |
| Jul 17, 2:56 PM EDT | Special Weather Statement | AKQ | 49 min |
| Jul 19, 1:22 PM EDT | Special Weather Statement | AKQ | 53 min |
| Jul 20, 12:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 20, 6:36 PM EDT | Special Weather Statement | AKQ | 54 min |
| Jul 20, 7:37 PM EDT | Special Weather Statement | AKQ | 68 min |
| Jul 22, 3:18 PM EDT | Heat Advisory | AKQ | 28 hr |
| Jul 23, 2:57 PM EDT | Heat Advisory | AKQ | 29 hr |
| Jul 24, 3:44 PM EDT | Heat Advisory | AKQ | 28 hr |
| Jul 29, 11:36 AM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 29, 11:54 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 29, 4:20 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 4, 4:04 PM EDT | Heat Advisory | AKQ | 27 hr |
| Aug 4, 8:36 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 9:55 PM EDT | Special Weather Statement | AKQ | 50 min |
| Aug 4, 10:50 PM EDT | Severe Thunderstorm Warning | AKQ | 55 min |
| Aug 5, 12:37 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Aug 5, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 5, 3:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Aug 5, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 5, 6:35 PM EDT | Severe Thunderstorm Warning | AKQ | 55 min |
| Aug 5, 6:59 PM EDT | Severe Thunderstorm Warning | AKQ | 46 min |
| Aug 9, 3:16 AM EDT | Dense Fog Advisory | AKQ | 5 hr |
| Aug 12, 9:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Aug 12, 10:34 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 12, 12:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 12, 1:24 PM EDT | Special Weather Statement | AKQ | 51 min |
| Aug 12, 4:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Aug 12, 6:40 PM EDT | Severe Thunderstorm Warning | AKQ | 50 min |
| Aug 16, 2:01 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 18, 4:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Aug 22, 7:06 PM EDT | Special Weather Statement | AKQ | 54 min |
| Sep 29, 4:41 AM EDT | Flash Flood Watch | AKQ | 47 hr |
| Sep 29, 11:09 AM EDT | Special Weather Statement | AKQ | 66 min |
| Sep 29, 8:04 PM EDT | Special Weather Statement | AKQ | 56 min |
| Sep 29, 9:39 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 29, 10:25 PM EDT | Flash Flood Warning | AKQ | 2 hr |
| Sep 30, 1:39 AM EDT | Areal Flood Advisory | AKQ | 81 min |
| Sep 30, 3:01 AM EDT | Areal Flood Advisory | AKQ | 89 min |
| Sep 30, 4:02 AM EDT | Mesoscale Discussion | SPC | 118 min |
| Sep 30, 4:55 AM EDT | Tornado Watch | SPC | 8 hr |
| Sep 30, 8:00 AM EDT | Flash Flood Warning | AKQ | 3 hr |
| Sep 30, 8:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Sep 30, 9:24 AM EDT | Severe Thunderstorm Warning | AKQ | 14 min |
| Sep 30, 10:43 AM EDT | Areal Flood Warning | AKQ | 12 hr |
| Sep 30, 10:49 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Sep 30, 5:43 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Oct 14, 9:30 AM EDT | Special Weather Statement | AKQ | 60 min |
| Oct 14, 9:31 AM EDT | Special Weather Statement | AKQ | 59 min |
| Oct 25, 12:34 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Oct 25, 3:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Oct 27, 2:44 AM EDT | Tornado Watch | SPC | 7 hr |
| Oct 27, 5:28 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 27, 12:13 PM EDT | Tornado Watch | SPC | 8 hr |
| Oct 27, 3:21 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Oct 27, 4:48 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Oct 27, 7:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Oct 27, 7:46 PM EDT | Tornado Watch | SPC | 8 hr |
| Oct 27, 10:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Oct 27, 10:45 PM EDT | Special Weather Statement | AKQ | 75 min |
| Oct 28, 12:54 AM EDT | Mesoscale Discussion | SPC | 66 min |
| Oct 29, 3:43 PM EDT | Frost Advisory | AKQ | 16 hr |
| Nov 1, 3:40 PM EDT | Frost Advisory | AKQ | 16 hr |
| Nov 6, 3:46 AM EDT | Freeze Warning | AKQ | 29 hr |
| Nov 7, 3:49 PM EST | Freeze Warning | AKQ | 16 hr |
| Nov 16, 8:47 PM EST | Tornado Watch | SPC | 6 hr |
| Nov 16, 11:27 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 17, 1:20 AM EST | Severe Thunderstorm Warning | AKQ | 40 min |
| Nov 22, 2:30 AM EST | Dense Fog Advisory | AKQ | 7 hr |
| Nov 22, 10:14 PM EST | Dense Fog Advisory | AKQ | 8 hr |
| Dec 1, 2:13 AM EST | Tornado Watch | SPC | 8 hr |
| Dec 1, 4:25 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 1, 5:18 AM EST | Mesoscale Discussion | SPC | 117 min |
| Dec 1, 6:16 AM EST | Severe Thunderstorm Warning | AKQ | 44 min |
| Dec 1, 7:51 AM EST | Mesoscale Discussion | SPC | 84 min |
| Dec 4, 2:09 PM EST | Winter Weather Advisory | AKQ | 14 hr |
| Dec 12, 2:54 PM EST | Special Weather Statement | AKQ | 51 min |
| Dec 12, 3:50 PM EST | Special Weather Statement | AKQ | 60 min |
| Dec 13, 5:55 AM EST | Winter Weather Advisory | AKQ | 4 hr |
| Dec 13, 10:16 AM EST | Winter Weather Advisory | AKQ | 104 min |
| Dec 13, 12:05 PM EST | Winter Weather Advisory | AKQ | 55 min |
| Dec 15, 10:51 AM EST | Winter Storm Watch | AKQ | 4 hr |
| Dec 15, 3:11 PM EST | Winter Storm Warning | AKQ | 28 hr |
| Dec 15, 3:11 PM EST | Winter Weather Advisory | AKQ | 30 hr |
| Dec 16, 11:00 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Dec 24, 3:51 PM EST | Winter Storm Watch | AKQ | 24 hr |
| Dec 25, 12:02 PM EST | Winter Storm Warning | AKQ | 39 hr |
| Dec 25, 11:31 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 26, 4:09 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 26, 8:48 PM EST | Winter Weather Advisory | AKQ | 6 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 | 8 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 37 |
| Special Weather Statement | 25 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 10 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.