Alert archive / Virginia / Tazewell County
Weather alerts in Tazewell County, Virginia, 2018
130 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 130
- Warnings
- 20
- Watches
- 18
- Advisories
- 44
- Busiest month
- September20 alerts
- Busiest day
- March 17, 20184 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, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 3 | 0% | 4 | 100% | 16 min |
| Flash flood warnings | 3 | 2 | 33% | 7 | 86% | 118 min |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Blacksburg, VA: tornado warnings | 13 | 4 | 69% | 18 | 33% | 8 min |
| NWS Blacksburg, VA: severe thunderstorm warnings | 211 | 147 | 30% | 440 | 70% | 23 min |
| NWS Blacksburg, VA: flash flood warnings | 132 | 82 | 38% | 290 | 84% | 132 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, 3:04 AM EST | Wind Chill Advisory | RNK | 31 hr |
| Jan 3, 4:04 AM EST | Wind Chill Watch | RNK | 47 hr |
| Jan 3, 4:04 AM EST | Wind Chill Advisory | RNK | 3 days |
| Jan 7, 2:51 PM EST | Winter Weather Advisory | RNK | 33 hr |
| Jan 12, 3:57 PM EST | Winter Weather Advisory | RNK | 18 hr |
| Jan 15, 2:32 PM EST | Winter Weather Advisory | RNK | 4 days |
| Jan 17, 4:23 AM EST | Wind Chill Advisory | RNK | 30 hr |
| Jan 22, 2:24 PM EST | Wind Advisory | RNK | 13 hr |
| Jan 28, 3:01 PM EST | Winter Weather Advisory | RNK | 45 hr |
| Feb 1, 4:37 AM EST | Winter Weather Advisory | RNK | 28 hr |
| Feb 3, 3:46 AM EST | Winter Weather Advisory | RNK | 39 hr |
| Feb 5, 7:40 PM EST | Winter Weather Advisory | RNK | 16 hr |
| Feb 9, 1:00 PM EST | Flood Watch | RNK | 49 hr |
| Feb 10, 7:12 PM EST | Areal Flood Advisory | RNK | 6 hr |
| Feb 11, 1:42 AM EST | Areal Flood Warning | RNK | 12 hr |
| Feb 11, 5:33 AM EST | River Flood Warning | RNK | 24 hr |
| Feb 28, 10:55 AM EST | High Wind Watch | RNK | 17 hr |
| Mar 1, 3:52 AM EST | High Wind Warning | RNK | 48 hr |
| Mar 2, 9:45 PM EST | Wind Advisory | RNK | 13 hr |
| Mar 8, 9:31 AM EST | Special Weather Statement | RNK | 59 min |
| Mar 9, 4:20 AM EST | Winter Weather Advisory | RNK | 29 hr |
| Mar 10, 4:39 AM EST | Winter Storm Watch | RNK | 23 hr |
| Mar 11, 4:47 AM EDT | Winter Weather Advisory | RNK | 3 days |
| Mar 13, 7:46 PM EDT | Special Weather Statement | RNK | 59 min |
| Mar 17, 4:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 17, 4:55 PM EDT | Special Weather Statement | RNK | 50 min |
| Mar 17, 7:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Mar 17, 7:55 PM EDT | Special Weather Statement | RNK | 35 min |
| Mar 19, 3:40 PM EDT | Winter Storm Watch | RNK | 13 hr |
| Mar 20, 5:06 AM EDT | Winter Storm Warning | RNK | 42 hr |
| Mar 20, 10:02 AM EDT | Special Weather Statement | RNK | 13 min |
| Mar 21, 3:02 PM EDT | Wind Advisory | RNK | 21 hr |
| Mar 23, 3:46 PM EDT | Winter Storm Warning | RNK | 37 hr |
| Mar 23, 3:46 PM EDT | Winter Weather Advisory | RNK | 37 hr |
| Apr 3, 4:21 AM EDT | Wind Advisory | RNK | 45 hr |
| Apr 3, 9:16 PM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 4, 2:17 AM EDT | Severe Thunderstorm Warning | RNK | 58 min |
| Apr 6, 3:02 PM EDT | Winter Weather Advisory | RNK | 21 hr |
| Apr 15, 3:57 AM EDT | Flash Flood Watch | RNK | 20 hr |
| Apr 15, 1:45 PM EDT | Special Weather Statement | RNK | 30 min |
| Apr 16, 1:40 AM EDT | Areal Flood Warning | RNK | 12 hr |
| Apr 18, 2:59 PM EDT | Wind Advisory | RNK | 26 hr |
| Apr 22, 3:36 PM EDT | Wind Advisory | RNK | 34 hr |
| May 5, 2:39 PM EDT | Special Weather Statement | RNK | 36 min |
| May 5, 3:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 5, 6:21 PM EDT | Special Weather Statement | RNK | 24 min |
| May 5, 6:45 PM EDT | Special Weather Statement | RNK | 30 min |
| May 10, 1:48 PM EDT | Special Weather Statement | RNK | 42 min |
| May 11, 3:04 PM EDT | Special Weather Statement | RNK | 41 min |
| May 15, 6:17 PM EDT | Special Weather Statement | RNK | 58 min |
| May 17, 4:13 AM EDT | Flash Flood Watch | RNK | 68 hr |
| May 19, 4:55 PM EDT | Special Weather Statement | RNK | 50 min |
| May 19, 7:57 PM EDT | Special Weather Statement | RNK | 63 min |
| May 19, 8:35 PM EDT | Special Weather Statement | RNK | 40 min |
| May 19, 8:53 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| May 26, 8:54 AM EDT | Flash Flood Warning | RNK | 6 hr |
| May 26, 3:05 PM EDT | Areal Flood Warning | RNK | 4 hr |
| May 28, 3:13 PM EDT | Flash Flood Watch | RNK | 3 days |
| Jun 9, 2:54 PM EDT | Special Weather Statement | RNK | 66 min |
| Jun 20, 3:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 6:44 AM EDT | Special Weather Statement | RNK | 46 min |
| Jun 25, 7:36 AM EDT | Special Weather Statement | RNK | 54 min |
| Jun 26, 1:00 PM EDT | Special Weather Statement | RNK | 45 min |
| Jun 26, 1:45 PM EDT | Special Weather Statement | RNK | 60 min |
| Jun 26, 7:42 PM EDT | Special Weather Statement | RNK | 63 min |
| Jun 28, 3:49 AM EDT | Special Weather Statement | RNK | 41 min |
| Jul 2, 5:25 PM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Jul 3, 7:19 PM EDT | Special Weather Statement | RNK | 56 min |
| Jul 20, 8:36 PM EDT | Special Weather Statement | RNK | 54 min |
| Jul 21, 4:56 PM EDT | Special Weather Statement | RNK | 64 min |
| Jul 24, 7:22 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Jul 31, 4:24 PM EDT | Special Weather Statement | RNK | 66 min |
| Aug 1, 3:44 AM EDT | Flash Flood Watch | RNK | 64 hr |
| Aug 2, 4:28 AM EDT | Areal Flood Advisory | RNK | 3 hr |
| Aug 7, 1:35 PM EDT | Special Weather Statement | RNK | 55 min |
| Aug 7, 10:52 PM EDT | Special Weather Statement | RNK | 53 min |
| Aug 8, 12:57 PM EDT | Special Weather Statement | RNK | 63 min |
| Aug 8, 1:53 PM EDT | Severe Thunderstorm Warning | RNK | 67 min |
| Aug 12, 11:59 AM EDT | Special Weather Statement | RNK | 46 min |
| Aug 12, 6:30 PM EDT | Special Weather Statement | RNK | 30 min |
| Aug 29, 6:33 PM EDT | Special Weather Statement | RNK | 42 min |
| Aug 30, 5:54 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Aug 31, 3:02 PM EDT | Special Weather Statement | RNK | 58 min |
| Aug 31, 3:30 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Sep 2, 3:13 PM EDT | Special Weather Statement | RNK | 47 min |
| Sep 2, 3:51 PM EDT | Flash Flood Warning | RNK | 2 hr |
| Sep 2, 4:06 PM EDT | Special Weather Statement | RNK | 39 min |
| Sep 2, 4:30 PM EDT | Areal Flood Advisory | RNK | 103 min |
| Sep 7, 4:22 PM EDT | Areal Flood Advisory | RNK | 4 hr |
| Sep 9, 6:29 PM EDT | Special Weather Statement | RNK | 16 min |
| Sep 9, 6:32 PM EDT | Special Weather Statement | RNK | 28 min |
| Sep 9, 6:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 7:42 PM EDT | Special Weather Statement | RNK | 33 min |
| Sep 9, 8:27 PM EDT | Special Weather Statement | RNK | 63 min |
| Sep 10, 1:25 PM EDT | Flash Flood Watch | RNK | 8 hr |
| Sep 10, 6:46 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| Sep 11, 1:01 PM EDT | Flash Flood Watch | RNK | 8 hr |
| Sep 14, 4:28 AM EDT | Flash Flood Watch | RNK | 4 days |
| Sep 15, 5:47 AM EDT | Wind Advisory | RNK | 46 hr |
| Sep 23, 5:22 PM EDT | Special Weather Statement | RNK | 53 min |
| Sep 23, 6:31 PM EDT | Special Weather Statement | RNK | 44 min |
| Sep 23, 7:47 PM EDT | Areal Flood Advisory | RNK | 93 min |
| Sep 27, 3:11 AM EDT | Flash Flood Watch | RNK | 21 hr |
| Sep 27, 9:01 PM EDT | Areal Flood Advisory | RNK | 4 hr |
| Oct 6, 2:56 AM EDT | Dense Fog Advisory | RNK | 7 hr |
| Oct 7, 2:32 AM EDT | Dense Fog Advisory | RNK | 7 hr |
| Oct 11, 4:43 AM EDT | Wind Advisory | RNK | 30 hr |
| Oct 11, 9:22 AM EDT | Flash Flood Warning | RNK | 6 hr |
| Oct 11, 3:10 PM EDT | Areal Flood Warning | RNK | 6 hr |
| Oct 17, 3:26 AM EDT | Frost Advisory | RNK | 30 hr |
| Oct 18, 3:50 PM EDT | Frost Advisory | RNK | 17 hr |
| Oct 19, 3:49 PM EDT | Freeze Watch | RNK | 12 hr |
| Oct 20, 3:31 AM EDT | Freeze Warning | RNK | 30 hr |
| Oct 20, 3:31 AM EDT | Wind Advisory | RNK | 32 hr |
| Oct 21, 4:02 AM EDT | Freeze Warning | RNK | 30 hr |
| Oct 28, 10:39 AM EDT | Wind Advisory | RNK | 25 hr |
| Nov 13, 3:35 PM EST | Winter Storm Watch | RNK | 24 hr |
| Nov 14, 5:15 AM EST | Winter Storm Warning | RNK | 38 hr |
| Nov 25, 2:46 PM EST | Wind Advisory | RNK | 37 hr |
| Dec 4, 2:35 PM EST | Winter Weather Advisory | RNK | 28 hr |
| Dec 6, 3:31 PM EST | Winter Storm Watch | RNK | 47 hr |
| Dec 7, 3:27 AM EST | Winter Storm Warning | RNK | 3 days |
| Dec 9, 8:18 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 12:34 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 21, 4:03 AM EST | Wind Advisory | RNK | 26 hr |
| Dec 21, 4:10 AM EST | Winter Weather Advisory | RNK | 35 hr |
| Dec 21, 4:27 PM EST | Areal Flood Advisory | RNK | 3 hr |
| Dec 21, 7:06 PM EST | Areal Flood Warning | RNK | 12 hr |
| Dec 21, 11:17 PM EST | River Flood Warning | RNK | 6 hr |
| Dec 26, 3:00 PM EST | Flood Watch | RNK | 52 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
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.