Alert archive / West Virginia / Summers County
Weather alerts in Summers County, West Virginia, 2017
75 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Summers County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 75
- Warnings
- 7
- Watches
- 5
- Advisories
- 28
- Busiest month
- May16 alerts
- Busiest day
- August 2, 20174 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Summers County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 4 | 20% | 0 | ||
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Blacksburg, VA: tornado warnings | 17 | 4 | 76% | 12 | 58% | 17 min |
| NWS Blacksburg, VA: severe thunderstorm warnings | 167 | 140 | 16% | 462 | 74% | 19 min |
| NWS Blacksburg, VA: flash flood warnings | 24 | 15 | 38% | 53 | 72% | 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 4, 3:11 PM EST | Winter Weather Advisory | RNK | 37 hr |
| Jan 6, 3:47 PM EST | Wind Chill Advisory | RNK | 50 hr |
| Jan 6, 8:56 PM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 28, 3:59 PM EST | Winter Weather Advisory | RNK | 44 hr |
| Jan 29, 9:50 PM EST | Special Weather Statement | RNK | 115 min |
| Feb 12, 3:16 AM EST | Wind Advisory | RNK | 34 hr |
| Feb 12, 3:11 PM EST | Special Weather Statement | RNK | 34 min |
| Feb 22, 10:30 PM EST | Dense Fog Advisory | RNK | 12 hr |
| Feb 25, 6:10 AM EST | Special Weather Statement | RNK | 65 min |
| Mar 1, 10:35 AM EST | Severe Thunderstorm Warning | RNK | 55 min |
| Mar 1, 10:38 AM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 1, 10:43 AM EST | Severe Thunderstorm Warning | RNK | 62 min |
| Mar 1, 7:04 PM EST | Special Weather Statement | RNK | 41 min |
| Mar 12, 10:48 PM EDT | Winter Weather Advisory | RNK | 57 hr |
| Mar 15, 4:22 AM EDT | Wind Advisory | RNK | 15 hr |
| Mar 15, 2:06 PM EDT | Wind Chill Advisory | RNK | 19 hr |
| Mar 22, 10:00 AM EDT | Special Weather Statement | RNK | 15 min |
| Mar 27, 5:54 PM EDT | Special Weather Statement | RNK | 36 min |
| Mar 27, 6:00 PM EDT | Special Weather Statement | RLX | 15 min |
| Apr 5, 3:39 PM EDT | Wind Advisory | RNK | 48 hr |
| Apr 6, 12:52 AM EDT | Special Weather Statement | RNK | 53 min |
| Apr 21, 4:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 24, 11:17 AM EDT | Areal Flood Advisory | RNK | 6 hr |
| Apr 24, 2:53 PM EDT | River Flood Warning | RNK | 34 hr |
| Apr 24, 5:15 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| Apr 26, 6:29 AM EDT | Special Weather Statement | RNK | 2 hr |
| Apr 28, 4:35 AM EDT | Dense Fog Advisory | RNK | 4 hr |
| May 1, 2:23 PM EDT | Wind Advisory | RNK | 26 hr |
| May 1, 2:29 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 3:46 PM EDT | Special Weather Statement | RNK | 59 min |
| May 3, 2:51 PM EDT | Wind Advisory | RNK | 31 hr |
| May 5, 6:37 PM EDT | Special Weather Statement | RNK | 53 min |
| May 7, 4:24 AM EDT | Frost Advisory | RNK | 29 hr |
| May 11, 6:19 AM EDT | Flood Watch | RNK | 30 hr |
| May 11, 6:19 AM EDT | Flash Flood Watch | RNK | 16 hr |
| May 12, 12:37 PM EDT | Flood Watch | RNK | 13 hr |
| May 20, 4:28 PM EDT | Severe Thunderstorm Warning | RNK | 62 min |
| May 20, 5:42 PM EDT | Severe Thunderstorm Warning | RNK | 37 min |
| May 24, 4:27 AM EDT | Flash Flood Watch | RNK | 20 hr |
| May 25, 1:08 PM EDT | Wind Advisory | RNK | 23 hr |
| May 25, 7:13 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| May 26, 1:03 AM EDT | Areal Flood Advisory | RNK | 6 hr |
| May 27, 6:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 5, 1:48 AM EDT | Special Weather Statement | RNK | 57 min |
| Jun 5, 1:52 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| Jun 13, 11:48 AM EDT | Special Weather Statement | RNK | 42 min |
| Jun 13, 12:18 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 14, 2:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 12:44 PM EDT | Special Weather Statement | RNK | 31 min |
| Jun 23, 9:24 PM EDT | Special Weather Statement | RNK | 66 min |
| Jun 23, 10:59 PM EDT | Special Weather Statement | RNK | 61 min |
| Jun 23, 11:49 PM EDT | Special Weather Statement | RNK | 56 min |
| Jul 7, 3:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 7, 10:33 PM EDT | Special Weather Statement | RNK | 57 min |
| Jul 18, 2:31 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 18, 6:24 PM EDT | Severe Thunderstorm Warning | RNK | 66 min |
| Jul 18, 8:51 PM EDT | Areal Flood Advisory | RNK | 6 hr |
| Jul 21, 1:14 PM EDT | Special Weather Statement | RNK | 61 min |
| Jul 23, 9:44 PM EDT | Special Weather Statement | RNK | 61 min |
| Jul 23, 11:41 PM EDT | Areal Flood Advisory | RNK | 3 hr |
| Aug 1, 6:22 PM EDT | Special Weather Statement | RNK | 53 min |
| Aug 2, 1:29 PM EDT | Special Weather Statement | RNK | 31 min |
| Aug 2, 1:58 PM EDT | Special Weather Statement | RNK | 32 min |
| Aug 2, 3:50 PM EDT | Special Weather Statement | RNK | 55 min |
| Aug 2, 4:01 PM EDT | Areal Flood Advisory | RNK | 4 hr |
| Aug 14, 4:51 PM EDT | Special Weather Statement | RNK | 39 min |
| Oct 16, 4:48 AM EDT | Frost Advisory | RNK | 28 hr |
| Oct 17, 4:03 AM EDT | Frost Advisory | RNK | 29 hr |
| Oct 23, 4:27 PM EDT | Special Weather Statement | RNK | 108 min |
| Oct 23, 6:16 PM EDT | Special Weather Statement | RNK | 89 min |
| Oct 24, 12:42 AM EDT | Areal Flood Warning | RNK | 6 hr |
| Dec 11, 2:39 PM EST | Winter Weather Advisory | RNK | 36 hr |
| Dec 12, 3:34 AM EST | Wind Chill Advisory | RNK | 29 hr |
| Dec 13, 1:41 PM EST | Wind Advisory | RNK | 22 hr |
| Dec 30, 5:17 AM EST | Wind Chill Advisory | RNK | 53 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 | 5 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 27 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Weather Advisory | 4 |
| Cold | |
| Frost Advisory | 3 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 7 |
| 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 archive20162018
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.