Alert archive / Virginia / Pulaski County
Weather alerts in Pulaski County, Virginia, 2021
116 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pulaski County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 116
- Warnings
- 18
- Watches
- 18
- Advisories
- 36
- Busiest month
- August26 alerts
- Busiest day
- August 17, 20216 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Pulaski County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 9 | 25% | 8 | 100% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Blacksburg, VA: tornado warnings | 30 | 1 | 97% | 2 | 50% | 1 min |
| NWS Blacksburg, VA: severe thunderstorm warnings | 221 | 165 | 25% | 522 | 74% | 20 min |
| NWS Blacksburg, VA: flash flood warnings | 42 | 14 | 67% | 51 | 61% | 107 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 7, 4:10 AM EST | Winter Weather Advisory | RNK | 40 hr |
| Jan 16, 1:09 AM EST | Freezing Fog Advisory | RNK | 8 hr |
| Jan 16, 3:26 PM EST | Special Weather Statement | RNK | 34 min |
| Jan 18, 2:43 AM EST | Special Weather Statement | RNK | 62 min |
| Jan 18, 3:33 AM EST | Special Weather Statement | RNK | 42 min |
| Jan 26, 3:03 AM EST | Areal Flood Advisory | RNK | 6 hr |
| Jan 27, 4:32 AM EST | Winter Weather Advisory | RNK | 31 hr |
| Jan 29, 3:12 PM EST | Winter Storm Watch | RNK | 14 hr |
| Jan 30, 5:19 AM EST | Winter Storm Warning | RNK | 33 hr |
| Jan 31, 5:12 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 31, 2:14 PM EST | Winter Weather Advisory | RNK | 47 hr |
| Feb 1, 2:27 PM EST | Wind Advisory | RNK | 47 hr |
| Feb 5, 11:53 AM EST | Winter Storm Watch | RNK | 16 hr |
| Feb 6, 4:16 AM EST | Winter Storm Warning | RNK | 32 hr |
| Feb 7, 4:24 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 10, 3:40 AM EST | Winter Storm Watch | RNK | 24 hr |
| Feb 11, 4:05 AM EST | Winter Weather Advisory | RNK | 31 hr |
| Feb 12, 3:47 AM EST | Winter Weather Advisory | RNK | 56 hr |
| Feb 12, 10:42 AM EST | Freezing Fog Advisory | RNK | 10 hr |
| Feb 13, 2:21 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 14, 3:07 PM EST | Freezing Fog Advisory | RNK | 19 hr |
| Feb 16, 5:07 AM EST | Winter Storm Watch | RNK | 23 hr |
| Feb 17, 4:25 AM EST | Winter Storm Warning | RNK | 47 hr |
| Feb 18, 4:28 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Feb 18, 11:51 AM EST | Winter Weather Advisory | RNK | 22 hr |
| Feb 25, 8:06 PM EST | Winter Weather Advisory | RNK | 30 hr |
| Feb 27, 1:39 AM EST | Freezing Fog Advisory | RNK | 5 hr |
| Feb 27, 4:46 AM EST | Flood Watch | RNK | 50 hr |
| Feb 28, 12:28 AM EST | Dense Fog Advisory | RNK | 9 hr |
| Mar 24, 2:18 AM EDT | Dense Fog Advisory | RNK | 7 hr |
| Mar 25, 1:18 AM EDT | Dense Fog Advisory | RNK | 9 hr |
| Mar 25, 4:45 AM EDT | Wind Advisory | RNK | 33 hr |
| Mar 27, 1:11 PM EDT | Severe Thunderstorm Warning | RNK | 64 min |
| Mar 27, 2:06 PM EDT | Severe Thunderstorm Warning | RNK | 39 min |
| Mar 27, 2:43 PM EDT | Special Weather Statement | RNK | 47 min |
| Mar 27, 2:56 PM EDT | Severe Thunderstorm Warning | RNK | 64 min |
| Mar 28, 3:58 AM EDT | Wind Advisory | RNK | 22 hr |
| Mar 28, 3:33 PM EDT | Special Weather Statement | RNK | 57 min |
| Mar 30, 2:22 PM EDT | Flash Flood Watch | RNK | 24 hr |
| Mar 31, 2:13 PM EDT | Wind Advisory | RNK | 33 hr |
| Apr 9, 1:28 PM EDT | Special Weather Statement | RNK | 32 min |
| Apr 9, 1:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Apr 9, 2:29 PM EDT | Special Weather Statement | RNK | 31 min |
| Apr 9, 3:12 PM EDT | Areal Flood Advisory | RNK | 3 hr |
| Apr 10, 10:00 PM EDT | Areal Flood Advisory | RNK | 4 hr |
| Apr 20, 3:23 AM EDT | Freeze Watch | RNK | 24 hr |
| Apr 21, 3:39 AM EDT | Freeze Warning | RNK | 29 hr |
| Apr 21, 9:48 PM EDT | Freeze Watch | RNK | 6 hr |
| Apr 22, 3:27 AM EDT | Freeze Warning | RNK | 30 hr |
| Apr 29, 2:47 PM EDT | Wind Advisory | RNK | 33 hr |
| May 4, 1:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 4, 1:30 PM EDT | Special Weather Statement | RNK | 30 min |
| May 4, 1:41 PM EDT | Severe Thunderstorm Warning | RNK | 49 min |
| May 25, 1:33 PM EDT | Special Weather Statement | RNK | 42 min |
| Jun 8, 4:11 PM EDT | Special Weather Statement | RNK | 34 min |
| Jun 9, 3:05 PM EDT | Special Weather Statement | RNK | 25 min |
| Jun 9, 3:51 PM EDT | Special Weather Statement | RNK | 24 min |
| Jun 10, 1:14 PM EDT | Flash Flood Watch | RNK | 33 hr |
| Jun 11, 4:14 PM EDT | Special Weather Statement | RNK | 46 min |
| Jun 13, 8:17 PM EDT | Severe Thunderstorm Warning | RNK | 58 min |
| Jun 22, 8:40 AM EDT | Special Weather Statement | RNK | 35 min |
| Jul 1, 10:00 AM EDT | Flash Flood Watch | RNK | 21 hr |
| Jul 1, 5:29 PM EDT | Areal Flood Advisory | RNK | 3 hr |
| Jul 10, 4:42 PM EDT | Special Weather Statement | RNK | 63 min |
| Jul 10, 4:49 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Jul 10, 7:12 PM EDT | Areal Flood Warning | RNK | 3 hr |
| Jul 10, 7:52 PM EDT | Special Weather Statement | RNK | 38 min |
| Jul 10, 8:32 PM EDT | Special Weather Statement | RNK | 58 min |
| Jul 10, 10:07 PM EDT | Areal Flood Advisory | RNK | 113 min |
| Jul 11, 5:45 PM EDT | Special Weather Statement | RNK | 60 min |
| Jul 12, 2:13 PM EDT | Special Weather Statement | RNK | 32 min |
| Jul 13, 2:09 PM EDT | Special Weather Statement | RNK | 36 min |
| Jul 13, 4:33 PM EDT | Special Weather Statement | RNK | 42 min |
| Jul 13, 5:03 PM EDT | Special Weather Statement | RNK | 42 min |
| Jul 26, 4:19 PM EDT | Severe Thunderstorm Warning | RNK | 56 min |
| Jul 26, 5:10 PM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Jul 26, 5:50 PM EDT | Severe Thunderstorm Warning | RNK | 55 min |
| Jul 26, 6:37 PM EDT | Special Weather Statement | RNK | 53 min |
| Jul 27, 3:15 AM EDT | Dense Fog Advisory | RNK | 6 hr |
| Aug 7, 5:27 PM EDT | Special Weather Statement | RNK | 33 min |
| Aug 7, 6:00 PM EDT | Special Weather Statement | RNK | 30 min |
| Aug 10, 11:35 AM EDT | Special Weather Statement | RNK | 40 min |
| Aug 10, 12:30 PM EDT | Special Weather Statement | RNK | 45 min |
| Aug 10, 12:43 PM EDT | Severe Thunderstorm Warning | RNK | 46 min |
| Aug 13, 12:51 PM EDT | Special Weather Statement | RNK | 24 min |
| Aug 14, 7:18 PM EDT | Severe Thunderstorm Warning | RNK | 22 min |
| Aug 14, 7:43 PM EDT | Special Weather Statement | RNK | 32 min |
| Aug 14, 7:47 PM EDT | Areal Flood Advisory | RNK | 85 min |
| Aug 17, 3:37 AM EDT | Flash Flood Watch | RNK | 24 hr |
| Aug 17, 1:06 PM EDT | Tornado Watch | SPC | 5 hr |
| Aug 17, 2:53 PM EDT | Flood Watch | RNK | 12 min |
| Aug 17, 3:20 PM EDT | Special Weather Statement | RNK | 40 min |
| Aug 17, 5:55 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Aug 17, 6:28 PM EDT | Tornado Watch | SPC | 10 hr |
| Aug 17, 10:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 18, 12:15 AM EDT | Areal Flood Advisory | RNK | 6 hr |
| Aug 21, 11:12 PM EDT | Special Weather Statement | RNK | 33 min |
| Aug 21, 11:44 PM EDT | Special Weather Statement | RNK | 46 min |
| Aug 21, 11:55 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Aug 25, 7:50 PM EDT | Areal Flood Advisory | RNK | 101 min |
| Aug 27, 3:53 AM EDT | Dense Fog Advisory | RNK | 6 hr |
| Aug 27, 1:16 PM EDT | Special Weather Statement | RNK | 29 min |
| Aug 30, 5:04 AM EDT | Flash Flood Watch | RNK | 60 hr |
| Aug 31, 6:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Aug 31, 7:36 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 21, 4:11 AM EDT | Flood Watch | RNK | 102 min |
| Sep 21, 5:59 AM EDT | Flash Flood Watch | RNK | 41 hr |
| Sep 21, 11:56 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| Sep 22, 2:44 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 22, 2:52 PM EDT | Areal Flood Advisory | RNK | 2 hr |
| Dec 11, 3:02 AM EST | Wind Advisory | RNK | 25 hr |
| Dec 11, 12:46 PM EST | Special Weather Statement | RNK | 44 min |
| Dec 11, 12:54 PM EST | Severe Thunderstorm Warning | RNK | 51 min |
| Dec 11, 1:03 PM EST | Severe Thunderstorm Warning | RNK | 40 min |
| Dec 18, 4:01 AM EST | Dense Fog Advisory | RNK | 6 hr |
| Dec 30, 10:30 PM EST | Dense Fog Advisory | RNK | 12 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 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 10 |
| Special Weather Statement | 34 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 6 |
| Flood Watch | 3 |
| Areal Flood Advisory | 12 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 7 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Freezing Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.