Alert archive / Virginia / Tazewell County
Weather alerts in Tazewell County, Virginia, 2015
153 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Tazewell County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 153
- Warnings
- 23
- Watches
- 25
- Advisories
- 33
- Busiest month
- June34 alerts
- Busiest day
- June 8, 20157 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Tazewell County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 9 | 6 | 33% | 6 | 83% | 32 min |
| Flash flood warnings | 4 | 3 | 25% | 12 | 100% | 51 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Blacksburg, VA: tornado warnings | 1 | 0 | 100% | 0 | ||
| NWS Blacksburg, VA: severe thunderstorm warnings | 146 | 122 | 16% | 435 | 76% | 23 min |
| NWS Blacksburg, VA: flash flood warnings | 30 | 18 | 40% | 55 | 84% | 80 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, 2:40 PM EST | Wind Chill Advisory | RNK | 45 hr |
| Jan 7, 10:01 PM EST | Winter Weather Advisory | RNK | 10 hr |
| Jan 9, 1:42 AM EST | Wind Advisory | RNK | 10 hr |
| Jan 9, 3:39 AM EST | Wind Chill Advisory | RNK | 30 hr |
| Jan 13, 3:13 AM EST | Winter Weather Advisory | RNK | 33 hr |
| Jan 22, 3:22 PM EST | Winter Weather Advisory | RNK | 43 hr |
| Feb 11, 4:03 AM EST | Freezing Fog Advisory | RNK | 5 hr |
| Feb 11, 3:30 PM EST | Wind Advisory | RNK | 32 hr |
| Feb 12, 4:08 AM EST | Wind Chill Advisory | RNK | 30 hr |
| Feb 13, 4:52 AM EST | Wind Chill Watch | RNK | 24 hr |
| Feb 13, 2:42 PM EST | Winter Weather Advisory | RNK | 38 hr |
| Feb 14, 4:28 AM EST | Wind Advisory | RNK | 32 hr |
| Feb 14, 4:29 AM EST | Wind Chill Warning | RNK | 48 hr |
| Feb 14, 4:29 AM EST | Wind Chill Advisory | RNK | 48 hr |
| Feb 15, 5:01 AM EST | Winter Storm Watch | RNK | 11 hr |
| Feb 15, 3:46 PM EST | Winter Storm Warning | RNK | 37 hr |
| Feb 16, 9:51 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 16, 4:30 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 17, 3:09 PM EST | Wind Chill Watch | RNK | 13 hr |
| Feb 17, 3:09 PM EST | Winter Weather Advisory | RNK | 36 hr |
| Feb 18, 4:10 AM EST | Wind Chill Warning | RNK | 54 hr |
| Feb 19, 3:24 PM EST | Winter Storm Watch | RNK | 14 hr |
| Feb 20, 5:05 AM EST | Winter Storm Warning | RNK | 49 hr |
| Feb 21, 4:20 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 21, 10:32 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 25, 3:01 AM EST | Winter Weather Advisory | RNK | 30 hr |
| Feb 28, 3:16 PM EST | Winter Weather Advisory | RNK | 24 hr |
| Mar 2, 3:36 PM EST | Winter Weather Advisory | RNK | 21 hr |
| Mar 3, 2:05 AM EST | Winter Weather Advisory | RNK | 8 hr |
| Mar 4, 4:13 AM EST | Winter Weather Advisory | RNK | 39 hr |
| Mar 4, 8:47 AM EST | Areal Flood Warning | RNK | 39 hr |
| Mar 9, 3:39 PM EDT | Flood Watch | RNK | 47 hr |
| Mar 31, 3:45 AM EDT | Red Flag Warning | RNK | 16 hr |
| Apr 3, 10:39 AM EDT | Flood Watch | RNK | 15 hr |
| Apr 3, 6:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 3, 8:43 PM EDT | Wind Advisory | RNK | 17 hr |
| Apr 7, 11:37 AM EDT | Special Weather Statement | RNK | 113 min |
| Apr 8, 1:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 10, 6:16 AM EDT | Mesoscale Discussion | SPC | 59 min |
| Apr 10, 9:20 AM EDT | Special Weather Statement | RNK | 55 min |
| Apr 13, 3:52 PM EDT | Flood Watch | RNK | 28 hr |
| Apr 19, 11:25 PM EDT | Special Weather Statement | RNK | 65 min |
| Apr 22, 4:38 AM EDT | Wind Advisory | RNK | 14 hr |
| Apr 23, 3:56 AM EDT | Freeze Warning | RNK | 28 hr |
| Apr 25, 8:30 PM EDT | Special Weather Statement | RNK | 60 min |
| Apr 25, 10:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 26, 12:21 AM EDT | Severe Thunderstorm Warning | RNK | 24 min |
| Apr 26, 1:45 AM EDT | Areal Flood Advisory | RNK | 2 hr |
| Apr 27, 3:31 PM EDT | Frost Advisory | RNK | 17 hr |
| May 11, 3:24 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 16, 7:13 PM EDT | Flash Flood Warning | RNK | 6 hr |
| May 17, 5:34 PM EDT | Special Weather Statement | RNK | 26 min |
| May 26, 6:16 PM EDT | Special Weather Statement | RNK | 29 min |
| May 28, 6:33 PM EDT | Special Weather Statement | RNK | 57 min |
| Jun 5, 7:21 PM EDT | Special Weather Statement | RNK | 24 min |
| Jun 7, 5:00 PM EDT | Special Weather Statement | RNK | 30 min |
| Jun 8, 1:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:40 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 3:59 PM EDT | Special Weather Statement | RNK | 61 min |
| Jun 8, 4:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 8, 5:30 PM EDT | Special Weather Statement | RNK | 60 min |
| Jun 8, 6:09 PM EDT | Severe Thunderstorm Warning | RNK | 66 min |
| Jun 8, 6:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 16, 5:06 PM EDT | Special Weather Statement | RNK | 54 min |
| Jun 17, 12:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 5:33 PM EDT | Special Weather Statement | RNK | 57 min |
| Jun 18, 6:48 PM EDT | Severe Thunderstorm Warning | RNK | 45 min |
| Jun 18, 7:54 PM EDT | Special Weather Statement | RNK | 51 min |
| Jun 19, 3:26 PM EDT | Flash Flood Watch | RNK | 29 hr |
| Jun 20, 2:56 PM EDT | Special Weather Statement | RNK | 64 min |
| Jun 20, 4:01 PM EDT | Special Weather Statement | RNK | 59 min |
| Jun 21, 2:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 21, 3:23 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 21, 4:55 PM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Jun 23, 8:03 PM EDT | Special Weather Statement | RNK | 57 min |
| Jun 23, 10:43 PM EDT | Special Weather Statement | RNK | 62 min |
| Jun 25, 7:30 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 25, 8:28 PM EDT | Special Weather Statement | RNK | 62 min |
| Jun 26, 4:13 AM EDT | Special Weather Statement | RNK | 62 min |
| Jun 26, 5:10 AM EDT | Special Weather Statement | RNK | 50 min |
| Jun 26, 6:13 AM EDT | Special Weather Statement | RNK | 47 min |
| Jun 26, 5:42 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 11:51 PM EDT | Flash Flood Watch | RNK | 18 hr |
| Jun 27, 3:24 PM EDT | Wind Advisory | RNK | 23 hr |
| Jun 30, 12:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 30, 2:22 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 3:48 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jun 30, 7:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jul 3, 2:33 PM EDT | Flash Flood Watch | RNK | 5 hr |
| Jul 5, 4:35 AM EDT | Flash Flood Watch | RNK | 25 hr |
| Jul 5, 5:13 PM EDT | Special Weather Statement | RNK | 32 min |
| Jul 5, 5:48 PM EDT | Special Weather Statement | RNK | 27 min |
| Jul 5, 7:26 PM EDT | Special Weather Statement | RNK | 34 min |
| Jul 5, 7:37 PM EDT | Flash Flood Warning | RNK | 6 hr |
| Jul 5, 7:56 PM EDT | Special Weather Statement | RNK | 34 min |
| Jul 5, 8:26 PM EDT | Special Weather Statement | RNK | 34 min |
| Jul 5, 8:42 PM EDT | Flash Flood Warning | RNK | 6 hr |
| Jul 6, 1:35 AM EDT | Areal Flood Warning | RNK | 3 hr |
| Jul 6, 3:22 AM EDT | Areal Flood Warning | RNK | 6 hr |
| Jul 7, 5:21 PM EDT | Special Weather Statement | RNK | 54 min |
| Jul 8, 3:47 PM EDT | Flash Flood Watch | RNK | 5 hr |
| Jul 9, 5:58 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 9:42 PM EDT | Special Weather Statement | RNK | 63 min |
| Jul 13, 3:36 PM EDT | Flash Flood Watch | RNK | 16 hr |
| Jul 13, 4:07 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jul 13, 4:39 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 13, 5:39 PM EDT | Severe Thunderstorm Warning | RNK | 51 min |
| Jul 13, 5:45 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 13, 6:17 PM EDT | Severe Thunderstorm Warning | RNK | 58 min |
| Jul 14, 4:18 AM EDT | Special Weather Statement | RNK | 42 min |
| Jul 14, 4:57 AM EDT | Special Weather Statement | RNK | 48 min |
| Jul 14, 5:06 AM EDT | Areal Flood Advisory | RNK | 4 hr |
| Jul 14, 6:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 6:44 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 14, 8:01 PM EDT | Severe Thunderstorm Warning | RNK | 43 min |
| Jul 14, 8:50 PM EDT | Severe Thunderstorm Warning | RNK | 40 min |
| Jul 19, 1:57 PM EDT | Special Weather Statement | RNK | 63 min |
| Jul 20, 6:42 PM EDT | Special Weather Statement | RNK | 63 min |
| Jul 20, 7:30 PM EDT | Special Weather Statement | RNK | 30 min |
| Jul 29, 7:19 PM EDT | Special Weather Statement | RNK | 41 min |
| Aug 5, 7:23 PM EDT | Special Weather Statement | RNK | 37 min |
| Aug 5, 7:57 PM EDT | Special Weather Statement | RNK | 33 min |
| Aug 10, 6:22 PM EDT | Special Weather Statement | RNK | 53 min |
| Aug 11, 12:35 PM EDT | Special Weather Statement | RNK | 40 min |
| Aug 14, 3:25 PM EDT | Special Weather Statement | RNK | 35 min |
| Aug 14, 6:44 PM EDT | Special Weather Statement | RNK | 61 min |
| Aug 17, 6:48 PM EDT | Special Weather Statement | RNK | 57 min |
| Aug 17, 7:16 PM EDT | Areal Flood Advisory | RNK | 3 hr |
| Aug 17, 7:45 PM EDT | Special Weather Statement | RNK | 45 min |
| Aug 20, 12:50 AM EDT | Special Weather Statement | RNK | 55 min |
| Aug 23, 6:09 PM EDT | Special Weather Statement | RNK | 36 min |
| Sep 4, 4:23 PM EDT | Special Weather Statement | RNK | 67 min |
| Sep 9, 3:24 PM EDT | Special Weather Statement | RNK | 51 min |
| Sep 9, 4:27 PM EDT | Special Weather Statement | RNK | 63 min |
| Oct 1, 5:05 AM EDT | Flash Flood Watch | RNK | 70 hr |
| Oct 9, 5:45 PM EDT | Severe Thunderstorm Warning | RNK | 46 min |
| Oct 16, 3:59 AM EDT | Freeze Watch | RNK | 24 hr |
| Oct 17, 3:31 AM EDT | Freeze Watch | RNK | 35 hr |
| Oct 17, 3:31 AM EDT | Freeze Warning | RNK | 29 hr |
| Oct 27, 4:28 AM EDT | Wind Advisory | RNK | 30 hr |
| Oct 28, 5:01 PM EDT | Special Weather Statement | RNK | 29 min |
| Nov 12, 3:42 AM EST | Wind Advisory | RNK | 50 hr |
| Nov 17, 3:40 AM EST | Wind Advisory | RNK | 43 hr |
| Nov 19, 3:51 AM EST | Areal Flood Advisory | RNK | 3 hr |
| Nov 30, 3:53 PM EST | Flood Watch | RNK | 46 hr |
| Dec 2, 5:37 AM EST | Special Weather Statement | RNK | 113 min |
| Dec 2, 7:16 AM EST | Special Weather Statement | RNK | 74 min |
| Dec 2, 7:47 AM EST | Areal Flood Advisory | RNK | 6 hr |
| Dec 13, 3:38 AM EST | Wind Advisory | RNK | 39 hr |
| Dec 24, 2:33 PM EST | Flash Flood Watch | RNK | 31 hr |
| Dec 25, 2:52 PM EST | Areal Flood Advisory | RNK | 6 hr |
| Dec 25, 3:31 PM EST | Flash Flood Warning | RNK | 6 hr |
| Dec 28, 3:36 AM EST | Wind Advisory | RNK | 24 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 | 9 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 51 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 4 |
| Flash Flood Watch | 8 |
| Flood Watch | 4 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 10 |
| Cold | |
| Freeze Warning | 2 |
| Wind Chill Warning | 2 |
| Freeze Watch | 2 |
| Wind Chill Watch | 2 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.