Alert archive / Virginia / Bland County
Weather alerts in Bland County, Virginia, 2010
194 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bland County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 194
- Warnings
- 62
- Watches
- 35
- Advisories
- 38
- Busiest month
- June37 alerts
- Busiest day
- August 5, 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.
Bland County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 29 | 23 | 21% | 5 | 80% | 23 min |
| Flash flood warnings | 13 | 7 | 46% | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Blacksburg, VA: tornado warnings | 31 | 2 | 94% | 7 | 43% | 3 min |
| NWS Blacksburg, VA: severe thunderstorm warnings | 344 | 275 | 20% | 845 | 76% | 23 min |
| NWS Blacksburg, VA: flash flood warnings | 111 | 62 | 44% | 205 | 90% | 130 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, 3:25 PM EST | Wind Chill Advisory | RNK | 21 hr |
| Jan 2, 4:11 AM EST | Wind Chill Advisory | RNK | 32 hr |
| Jan 3, 3:42 PM EST | Wind Chill Advisory | RNK | 19 hr |
| Jan 4, 3:51 AM EST | Winter Weather Advisory | RNK | 50 hr |
| Jan 4, 10:22 PM EST | Wind Chill Advisory | RNK | 11 hr |
| Jan 6, 3:04 PM EST | Winter Weather Advisory | RNK | 40 hr |
| Jan 8, 3:57 AM EST | Wind Chill Advisory | RNK | 54 hr |
| Jan 12, 6:59 AM EST | Special Weather Statement | RNK | 91 min |
| Jan 16, 4:52 AM EST | Flood Watch | RNK | 35 hr |
| Jan 18, 11:47 AM EST | Flash Flood Watch | RNK | 8 days |
| Jan 21, 4:36 AM EST | Mesoscale Discussion | SPC | 4 hr |
| Jan 21, 5:18 AM EST | Winter Storm Warning | RNK | 31 hr |
| Jan 21, 5:18 AM EST | Winter Weather Advisory | RNK | 31 hr |
| Jan 23, 1:26 AM EST | Dense Fog Advisory | RNK | 8 hr |
| Jan 23, 3:57 PM EST | Wind Advisory | RNK | 39 hr |
| Jan 25, 7:17 PM EST | Special Weather Statement | RNK | 58 min |
| Jan 25, 8:14 PM EST | Special Weather Statement | RNK | 61 min |
| Jan 25, 10:01 PM EST | Special Weather Statement | RNK | 59 min |
| Jan 27, 3:57 PM EST | Winter Storm Watch | RNK | 36 hr |
| Jan 28, 4:18 PM EST | Winter Storm Warning | RNK | 50 hr |
| Jan 30, 3:56 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 1, 3:53 PM EST | Winter Weather Advisory | RNK | 32 hr |
| Feb 3, 3:53 PM EST | Winter Storm Watch | RNK | 25 hr |
| Feb 4, 4:23 AM EST | Winter Storm Warning | RNK | 59 hr |
| Feb 5, 12:55 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Feb 5, 2:05 PM EST | Wind Advisory | RNK | 8 hr |
| Feb 5, 7:31 PM EST | Special Weather Statement | RNK | 59 min |
| Feb 8, 4:16 PM EST | Winter Storm Warning | RNK | 62 hr |
| Feb 8, 4:16 PM EST | Winter Weather Advisory | RNK | 3 days |
| Feb 9, 3:56 AM EST | High Wind Watch | RNK | 18 hr |
| Feb 9, 1:22 PM EST | High Wind Warning | RNK | 40 hr |
| Feb 10, 11:30 PM EST | Wind Advisory | RNK | 6 hr |
| Feb 14, 3:35 PM EST | Winter Weather Advisory | RNK | 5 days |
| Feb 24, 4:27 AM EST | Winter Weather Advisory | RNK | 4 days |
| Feb 24, 3:44 PM EST | High Wind Warning | RNK | 60 hr |
| Feb 26, 3:10 PM EST | Wind Advisory | RNK | 13 hr |
| Mar 9, 3:33 PM EST | Flood Watch | RNK | 4 days |
| Mar 12, 8:20 PM EST | Areal Flood Warning | RNK | 6 hr |
| Mar 12, 9:36 PM EST | Flash Flood Warning | RNK | 6 hr |
| Mar 12, 10:28 PM EST | Areal Flood Warning | RNK | 6 hr |
| Mar 13, 1:38 AM EST | Flash Flood Warning | RNK | 6 hr |
| Mar 13, 7:34 AM EST | Flash Flood Warning | RNK | 6 hr |
| Mar 13, 1:06 PM EST | Areal Flood Warning | RNK | 14 hr |
| Mar 21, 2:00 PM EDT | Wind Advisory | RNK | 15 hr |
| Mar 28, 2:05 AM EDT | Wind Advisory | RNK | 16 hr |
| Mar 28, 4:14 AM EDT | Flood Watch | RNK | 26 hr |
| Apr 2, 12:10 PM EDT | Fire Weather Watch | RNK | 22 hr |
| Apr 3, 7:33 AM EDT | Red Flag Warning | RNK | 12 hr |
| Apr 5, 4:30 PM EDT | Severe Thunderstorm Warning | RNK | 60 min |
| Apr 5, 5:26 PM EDT | Special Weather Statement | RNK | 64 min |
| Apr 5, 5:55 PM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Apr 5, 7:00 PM EDT | Severe Thunderstorm Warning | RNK | 60 min |
| Apr 5, 7:08 PM EDT | Severe Thunderstorm Warning | RNK | 67 min |
| Apr 8, 3:12 PM EDT | Freeze Watch | RNK | 13 hr |
| Apr 9, 3:50 AM EDT | Freeze Warning | RNK | 28 hr |
| Apr 10, 4:05 PM EDT | Frost Advisory | RNK | 16 hr |
| Apr 16, 1:04 PM EDT | Red Flag Warning | RNK | 7 hr |
| Apr 18, 10:05 AM EDT | Freeze Watch | RNK | 5 hr |
| Apr 18, 3:04 PM EDT | Freeze Warning | RNK | 18 hr |
| Apr 27, 3:34 PM EDT | Freeze Warning | RNK | 16 hr |
| Apr 28, 3:44 AM EDT | Freeze Watch | RNK | 11 hr |
| Apr 28, 3:12 PM EDT | Freeze Warning | RNK | 18 hr |
| May 2, 4:43 AM EDT | Flash Flood Watch | RNK | 28 hr |
| May 3, 4:51 AM EDT | Special Weather Statement | RNK | 39 min |
| May 7, 3:17 PM EDT | Wind Advisory | RNK | 32 hr |
| May 8, 3:46 AM EDT | Special Weather Statement | RNK | 89 min |
| May 8, 4:20 AM EDT | Special Weather Statement | RNK | 55 min |
| May 8, 4:52 AM EDT | Special Weather Statement | RNK | 53 min |
| May 8, 5:27 AM EDT | Special Weather Statement | RNK | 63 min |
| May 9, 4:35 AM EDT | Frost Advisory | RNK | 28 hr |
| May 14, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 14, 6:08 PM EDT | Special Weather Statement | RNK | 37 min |
| May 14, 6:12 PM EDT | Severe Thunderstorm Warning | RNK | 63 min |
| May 16, 4:19 AM EDT | Flash Flood Watch | RNK | 48 hr |
| May 16, 2:33 PM EDT | Special Weather Statement | RNK | 27 min |
| May 16, 3:04 PM EDT | Flash Flood Warning | RNK | 6 hr |
| May 28, 4:28 AM EDT | Flash Flood Watch | RNK | 22 hr |
| May 28, 1:30 PM EDT | Severe Thunderstorm Warning | RNK | 60 min |
| May 28, 1:52 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 2:10 PM EDT | Special Weather Statement | RNK | 65 min |
| May 28, 3:31 PM EDT | Severe Thunderstorm Warning | RNK | 59 min |
| May 28, 4:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 6, 2:50 PM EDT | Special Weather Statement | RNK | 55 min |
| Jun 9, 10:35 AM EDT | Flash Flood Watch | RNK | 10 hr |
| Jun 12, 11:50 AM EDT | Severe Thunderstorm Warning | RNK | 55 min |
| Jun 12, 7:08 PM EDT | Special Weather Statement | RNK | 37 min |
| Jun 12, 7:46 PM EDT | Special Weather Statement | RNK | 29 min |
| Jun 12, 9:10 PM EDT | Flash Flood Warning | RNK | 6 hr |
| Jun 12, 11:08 PM EDT | Flash Flood Warning | RNK | 6 hr |
| Jun 12, 11:23 PM EDT | Special Weather Statement | RNK | 67 min |
| Jun 13, 11:24 AM EDT | Flash Flood Watch | RNK | 9 hr |
| Jun 13, 12:17 PM EDT | Flash Flood Warning | RNK | 6 hr |
| Jun 14, 10:28 AM EDT | Flash Flood Watch | RNK | 35 hr |
| Jun 14, 12:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 14, 1:26 PM EDT | Special Weather Statement | RNK | 94 min |
| Jun 14, 1:46 PM EDT | Severe Thunderstorm Warning | RNK | 59 min |
| Jun 14, 2:01 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 14, 2:30 PM EDT | Severe Thunderstorm Warning | RNK | 60 min |
| Jun 19, 7:09 PM EDT | Special Weather Statement | RNK | 66 min |
| Jun 21, 5:57 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 21, 6:02 PM EDT | Special Weather Statement | RNK | 28 min |
| Jun 21, 6:29 PM EDT | Special Weather Statement | RNK | 46 min |
| Jun 22, 8:16 PM EDT | Severe Thunderstorm Warning | RNK | 59 min |
| Jun 22, 8:36 PM EDT | Severe Thunderstorm Warning | RNK | 39 min |
| Jun 23, 12:49 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 1:09 PM EDT | Special Weather Statement | RNK | 66 min |
| Jun 23, 3:58 PM EDT | Severe Thunderstorm Warning | RNK | 46 min |
| Jun 23, 4:43 PM EDT | Special Weather Statement | RNK | 62 min |
| Jun 24, 2:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 24, 3:09 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 5:06 PM EDT | Special Weather Statement | RNK | 54 min |
| Jun 27, 6:08 PM EDT | Special Weather Statement | RNK | 37 min |
| Jun 27, 6:24 PM EDT | Severe Thunderstorm Warning | RNK | 66 min |
| Jun 28, 1:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 28, 1:32 PM EDT | Severe Thunderstorm Warning | RNK | 58 min |
| Jun 28, 3:59 PM EDT | Severe Thunderstorm Warning | RNK | 61 min |
| Jun 28, 4:31 PM EDT | Special Weather Statement | RNK | 29 min |
| Jun 28, 4:39 PM EDT | Severe Thunderstorm Warning | RNK | 66 min |
| Jun 28, 4:59 PM EDT | Severe Thunderstorm Warning | RNK | 31 min |
| Jul 17, 10:57 AM EDT | Severe Thunderstorm Warning | RNK | 63 min |
| Jul 17, 11:21 AM EDT | Special Weather Statement | RNK | 54 min |
| Jul 17, 11:46 AM EDT | Flash Flood Warning | RNK | 3 hr |
| Jul 20, 12:49 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Jul 20, 1:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 20, 2:06 PM EDT | Special Weather Statement | RNK | 54 min |
| Jul 21, 3:27 AM EDT | Flash Flood Watch | RNK | 17 hr |
| Jul 27, 9:31 AM EDT | Special Weather Statement | RNK | 59 min |
| Jul 27, 10:03 AM EDT | Flash Flood Watch | RNK | 18 hr |
| Aug 4, 9:35 AM EDT | Special Weather Statement | RNK | 55 min |
| Aug 4, 5:13 PM EDT | Special Weather Statement | RNK | 62 min |
| Aug 4, 5:52 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 4, 7:35 PM EDT | Severe Thunderstorm Warning | RNK | 85 min |
| Aug 4, 7:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 4, 8:36 PM EDT | Flash Flood Warning | RNK | 98 min |
| Aug 4, 8:55 PM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Aug 5, 3:51 AM EDT | Flash Flood Watch | RNK | 16 hr |
| Aug 5, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Aug 5, 2:23 PM EDT | Severe Thunderstorm Warning | RNK | 67 min |
| Aug 5, 2:33 PM EDT | Special Weather Statement | RNK | 57 min |
| Aug 5, 2:58 PM EDT | Severe Thunderstorm Warning | RNK | 62 min |
| Aug 5, 3:27 PM EDT | Severe Thunderstorm Warning | RNK | 63 min |
| Aug 5, 3:53 PM EDT | Severe Thunderstorm Warning | RNK | 45 min |
| Aug 5, 3:56 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Aug 5, 4:26 PM EDT | Severe Thunderstorm Warning | RNK | 33 min |
| Aug 5, 5:25 PM EDT | Severe Thunderstorm Warning | RNK | 80 min |
| Aug 5, 6:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Aug 17, 3:48 PM EDT | Flash Flood Watch | RNK | 50 hr |
| Aug 17, 6:28 PM EDT | Special Weather Statement | RNK | 62 min |
| Aug 18, 12:44 PM EDT | Special Weather Statement | RNK | 61 min |
| Aug 18, 12:52 PM EDT | Flash Flood Warning | RNK | 4 hr |
| Aug 18, 1:59 PM EDT | Flash Flood Warning | RNK | 3 hr |
| Aug 20, 3:03 AM EDT | Dense Fog Advisory | RNK | 6 hr |
| Sep 3, 5:41 PM EDT | Special Weather Statement | RNK | 64 min |
| Sep 26, 3:36 PM EDT | Flood Watch | RNK | 36 hr |
| Oct 16, 3:31 AM EDT | Frost Advisory | RNK | 28 hr |
| Oct 22, 3:55 AM EDT | Freeze Watch | RNK | 11 hr |
| Oct 22, 3:14 PM EDT | Freeze Warning | RNK | 18 hr |
| Oct 25, 8:23 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 25, 9:03 AM EDT | Severe Thunderstorm Warning | RNK | 57 min |
| Oct 25, 9:47 AM EDT | Special Weather Statement | RNK | 58 min |
| Oct 25, 9:55 AM EDT | Severe Thunderstorm Warning | RNK | 65 min |
| Oct 26, 3:59 AM EDT | Wind Advisory | RNK | 19 hr |
| Oct 26, 1:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Oct 26, 5:45 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Oct 26, 6:21 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Oct 26, 7:19 PM EDT | Tornado Watch | SPC | 12 hr |
| Oct 26, 11:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Oct 27, 12:24 AM EDT | Mesoscale Discussion | SPC | 66 min |
| Nov 16, 10:46 AM EST | Wind Advisory | RNK | 7 hr |
| Nov 16, 3:44 PM EST | Wind Advisory | RNK | 23 hr |
| Nov 26, 3:39 AM EST | Wind Advisory | RNK | 32 hr |
| Nov 29, 3:20 AM EST | Wind Advisory | RNK | 42 hr |
| Nov 29, 3:44 AM EST | Flash Flood Watch | RNK | 50 hr |
| Nov 30, 9:28 PM EST | Special Weather Statement | RNK | 62 min |
| Nov 30, 10:12 PM EST | Flash Flood Warning | RNK | 5 hr |
| Nov 30, 10:25 PM EST | Special Weather Statement | RNK | 50 min |
| Nov 30, 11:08 PM EST | Flash Flood Warning | RNK | 5 hr |
| Dec 3, 3:23 PM EST | Winter Weather Advisory | RNK | 40 hr |
| Dec 5, 4:53 AM EST | Winter Weather Advisory | RNK | 62 hr |
| Dec 7, 3:28 PM EST | Wind Chill Advisory | RNK | 18 hr |
| Dec 11, 4:09 PM EST | Winter Storm Warning | RNK | 68 hr |
| Dec 12, 11:56 AM EST | Winter Weather Advisory | RNK | 43 hr |
| Dec 13, 5:29 AM EST | Wind Chill Advisory | RNK | 52 hr |
| Dec 15, 5:10 AM EST | Winter Storm Watch | RNK | 10 hr |
| Dec 15, 3:31 PM EST | Winter Storm Warning | RNK | 26 hr |
| Dec 15, 3:31 PM EST | Winter Weather Advisory | RNK | 37 hr |
| Dec 16, 4:17 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 22, 3:18 PM EST | Wind Advisory | RNK | 27 hr |
| Dec 22, 6:43 PM EST | Special Weather Statement | RNK | 2 hr |
| Dec 22, 7:10 PM EST | Winter Weather Advisory | RNK | 11 hr |
| Dec 24, 3:01 PM EST | Winter Storm Watch | RNK | 37 hr |
| Dec 25, 4:52 AM EST | Winter Storm Warning | RNK | 62 hr |
| Dec 25, 4:52 AM EST | Winter Weather Advisory | RNK | 32 hr |
| Dec 26, 4:34 AM EST | High Wind Warning | RNK | 40 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 | 29 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 40 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 13 |
| Flash Flood Watch | 12 |
| Flood Watch | 4 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 13 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 4 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 7 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 1 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.