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

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings9633%683%32 min
Flash flood warnings4325%12100%51 min

Each office's whole area, 2015

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Blacksburg, VA: tornado warnings10100%0
NWS Blacksburg, VA: severe thunderstorm warnings14612216%43576%23 min
NWS Blacksburg, VA: flash flood warnings301840%5584%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.

IssuedProductOfficeLasted
Jan 6, 2:40 PM ESTWind Chill AdvisoryRNK45 hr
Jan 7, 10:01 PM ESTWinter Weather AdvisoryRNK10 hr
Jan 9, 1:42 AM ESTWind AdvisoryRNK10 hr
Jan 9, 3:39 AM ESTWind Chill AdvisoryRNK30 hr
Jan 13, 3:13 AM ESTWinter Weather AdvisoryRNK33 hr
Jan 22, 3:22 PM ESTWinter Weather AdvisoryRNK43 hr
Feb 11, 4:03 AM ESTFreezing Fog AdvisoryRNK5 hr
Feb 11, 3:30 PM ESTWind AdvisoryRNK32 hr
Feb 12, 4:08 AM ESTWind Chill AdvisoryRNK30 hr
Feb 13, 4:52 AM ESTWind Chill WatchRNK24 hr
Feb 13, 2:42 PM ESTWinter Weather AdvisoryRNK38 hr
Feb 14, 4:28 AM ESTWind AdvisoryRNK32 hr
Feb 14, 4:29 AM ESTWind Chill WarningRNK48 hr
Feb 14, 4:29 AM ESTWind Chill AdvisoryRNK48 hr
Feb 15, 5:01 AM ESTWinter Storm WatchRNK11 hr
Feb 15, 3:46 PM ESTWinter Storm WarningRNK37 hr
Feb 16, 9:51 AM ESTMesoscale DiscussionSPC6 hr
Feb 16, 4:30 PM ESTMesoscale DiscussionSPC6 hr
Feb 17, 3:09 PM ESTWind Chill WatchRNK13 hr
Feb 17, 3:09 PM ESTWinter Weather AdvisoryRNK36 hr
Feb 18, 4:10 AM ESTWind Chill WarningRNK54 hr
Feb 19, 3:24 PM ESTWinter Storm WatchRNK14 hr
Feb 20, 5:05 AM ESTWinter Storm WarningRNK49 hr
Feb 21, 4:20 AM ESTMesoscale DiscussionSPC5 hr
Feb 21, 10:32 AM ESTMesoscale DiscussionSPC5 hr
Feb 25, 3:01 AM ESTWinter Weather AdvisoryRNK30 hr
Feb 28, 3:16 PM ESTWinter Weather AdvisoryRNK24 hr
Mar 2, 3:36 PM ESTWinter Weather AdvisoryRNK21 hr
Mar 3, 2:05 AM ESTWinter Weather AdvisoryRNK8 hr
Mar 4, 4:13 AM ESTWinter Weather AdvisoryRNK39 hr
Mar 4, 8:47 AM ESTAreal Flood WarningRNK39 hr
Mar 9, 3:39 PM EDTFlood WatchRNK47 hr
Mar 31, 3:45 AM EDTRed Flag WarningRNK16 hr
Apr 3, 10:39 AM EDTFlood WatchRNK15 hr
Apr 3, 6:10 PM EDTMesoscale DiscussionSPC95 min
Apr 3, 8:43 PM EDTWind AdvisoryRNK17 hr
Apr 7, 11:37 AM EDTSpecial Weather StatementRNK113 min
Apr 8, 1:51 PM EDTMesoscale DiscussionSPC84 min
Apr 10, 6:16 AM EDTMesoscale DiscussionSPC59 min
Apr 10, 9:20 AM EDTSpecial Weather StatementRNK55 min
Apr 13, 3:52 PM EDTFlood WatchRNK28 hr
Apr 19, 11:25 PM EDTSpecial Weather StatementRNK65 min
Apr 22, 4:38 AM EDTWind AdvisoryRNK14 hr
Apr 23, 3:56 AM EDTFreeze WarningRNK28 hr
Apr 25, 8:30 PM EDTSpecial Weather StatementRNK60 min
Apr 25, 10:19 PM EDTMesoscale DiscussionSPC86 min
Apr 26, 12:21 AM EDTSevere Thunderstorm WarningRNK24 min
Apr 26, 1:45 AM EDTAreal Flood AdvisoryRNK2 hr
Apr 27, 3:31 PM EDTFrost AdvisoryRNK17 hr
May 11, 3:24 PM EDTMesoscale DiscussionSPC3 hr
May 16, 7:13 PM EDTFlash Flood WarningRNK6 hr
May 17, 5:34 PM EDTSpecial Weather StatementRNK26 min
May 26, 6:16 PM EDTSpecial Weather StatementRNK29 min
May 28, 6:33 PM EDTSpecial Weather StatementRNK57 min
Jun 5, 7:21 PM EDTSpecial Weather StatementRNK24 min
Jun 7, 5:00 PM EDTSpecial Weather StatementRNK30 min
Jun 8, 1:10 PM EDTMesoscale DiscussionSPC2 hr
Jun 8, 2:40 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 8, 3:59 PM EDTSpecial Weather StatementRNK61 min
Jun 8, 4:24 PM EDTMesoscale DiscussionSPC96 min
Jun 8, 5:30 PM EDTSpecial Weather StatementRNK60 min
Jun 8, 6:09 PM EDTSevere Thunderstorm WarningRNK66 min
Jun 8, 6:24 PM EDTMesoscale DiscussionSPC96 min
Jun 16, 5:06 PM EDTSpecial Weather StatementRNK54 min
Jun 17, 12:40 PM EDTMesoscale DiscussionSPC2 hr
Jun 18, 5:33 PM EDTSpecial Weather StatementRNK57 min
Jun 18, 6:48 PM EDTSevere Thunderstorm WarningRNK45 min
Jun 18, 7:54 PM EDTSpecial Weather StatementRNK51 min
Jun 19, 3:26 PM EDTFlash Flood WatchRNK29 hr
Jun 20, 2:56 PM EDTSpecial Weather StatementRNK64 min
Jun 20, 4:01 PM EDTSpecial Weather StatementRNK59 min
Jun 21, 2:52 PM EDTMesoscale DiscussionSPC113 min
Jun 21, 3:23 PM EDTSevere Thunderstorm WatchSPC5 hr
Jun 21, 4:55 PM EDTSevere Thunderstorm WarningRNK65 min
Jun 23, 8:03 PM EDTSpecial Weather StatementRNK57 min
Jun 23, 10:43 PM EDTSpecial Weather StatementRNK62 min
Jun 25, 7:30 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 25, 8:28 PM EDTSpecial Weather StatementRNK62 min
Jun 26, 4:13 AM EDTSpecial Weather StatementRNK62 min
Jun 26, 5:10 AM EDTSpecial Weather StatementRNK50 min
Jun 26, 6:13 AM EDTSpecial Weather StatementRNK47 min
Jun 26, 5:42 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 26, 11:51 PM EDTFlash Flood WatchRNK18 hr
Jun 27, 3:24 PM EDTWind AdvisoryRNK23 hr
Jun 30, 12:55 PM EDTMesoscale DiscussionSPC3 hr
Jun 30, 2:22 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 30, 3:48 PM EDTMesoscale DiscussionSPC117 min
Jun 30, 7:08 PM EDTMesoscale DiscussionSPC67 min
Jul 3, 2:33 PM EDTFlash Flood WatchRNK5 hr
Jul 5, 4:35 AM EDTFlash Flood WatchRNK25 hr
Jul 5, 5:13 PM EDTSpecial Weather StatementRNK32 min
Jul 5, 5:48 PM EDTSpecial Weather StatementRNK27 min
Jul 5, 7:26 PM EDTSpecial Weather StatementRNK34 min
Jul 5, 7:37 PM EDTFlash Flood WarningRNK6 hr
Jul 5, 7:56 PM EDTSpecial Weather StatementRNK34 min
Jul 5, 8:26 PM EDTSpecial Weather StatementRNK34 min
Jul 5, 8:42 PM EDTFlash Flood WarningRNK6 hr
Jul 6, 1:35 AM EDTAreal Flood WarningRNK3 hr
Jul 6, 3:22 AM EDTAreal Flood WarningRNK6 hr
Jul 7, 5:21 PM EDTSpecial Weather StatementRNK54 min
Jul 8, 3:47 PM EDTFlash Flood WatchRNK5 hr
Jul 9, 5:58 PM EDTMesoscale DiscussionSPC2 hr
Jul 9, 9:42 PM EDTSpecial Weather StatementRNK63 min
Jul 13, 3:36 PM EDTFlash Flood WatchRNK16 hr
Jul 13, 4:07 PM EDTMesoscale DiscussionSPC83 min
Jul 13, 4:39 PM EDTSevere Thunderstorm WatchSPC5 hr
Jul 13, 5:39 PM EDTSevere Thunderstorm WarningRNK51 min
Jul 13, 5:45 PM EDTMesoscale DiscussionSPC2 hr
Jul 13, 6:17 PM EDTSevere Thunderstorm WarningRNK58 min
Jul 14, 4:18 AM EDTSpecial Weather StatementRNK42 min
Jul 14, 4:57 AM EDTSpecial Weather StatementRNK48 min
Jul 14, 5:06 AM EDTAreal Flood AdvisoryRNK4 hr
Jul 14, 6:10 PM EDTMesoscale DiscussionSPC2 hr
Jul 14, 6:44 PM EDTSevere Thunderstorm WatchSPC4 hr
Jul 14, 8:01 PM EDTSevere Thunderstorm WarningRNK43 min
Jul 14, 8:50 PM EDTSevere Thunderstorm WarningRNK40 min
Jul 19, 1:57 PM EDTSpecial Weather StatementRNK63 min
Jul 20, 6:42 PM EDTSpecial Weather StatementRNK63 min
Jul 20, 7:30 PM EDTSpecial Weather StatementRNK30 min
Jul 29, 7:19 PM EDTSpecial Weather StatementRNK41 min
Aug 5, 7:23 PM EDTSpecial Weather StatementRNK37 min
Aug 5, 7:57 PM EDTSpecial Weather StatementRNK33 min
Aug 10, 6:22 PM EDTSpecial Weather StatementRNK53 min
Aug 11, 12:35 PM EDTSpecial Weather StatementRNK40 min
Aug 14, 3:25 PM EDTSpecial Weather StatementRNK35 min
Aug 14, 6:44 PM EDTSpecial Weather StatementRNK61 min
Aug 17, 6:48 PM EDTSpecial Weather StatementRNK57 min
Aug 17, 7:16 PM EDTAreal Flood AdvisoryRNK3 hr
Aug 17, 7:45 PM EDTSpecial Weather StatementRNK45 min
Aug 20, 12:50 AM EDTSpecial Weather StatementRNK55 min
Aug 23, 6:09 PM EDTSpecial Weather StatementRNK36 min
Sep 4, 4:23 PM EDTSpecial Weather StatementRNK67 min
Sep 9, 3:24 PM EDTSpecial Weather StatementRNK51 min
Sep 9, 4:27 PM EDTSpecial Weather StatementRNK63 min
Oct 1, 5:05 AM EDTFlash Flood WatchRNK70 hr
Oct 9, 5:45 PM EDTSevere Thunderstorm WarningRNK46 min
Oct 16, 3:59 AM EDTFreeze WatchRNK24 hr
Oct 17, 3:31 AM EDTFreeze WatchRNK35 hr
Oct 17, 3:31 AM EDTFreeze WarningRNK29 hr
Oct 27, 4:28 AM EDTWind AdvisoryRNK30 hr
Oct 28, 5:01 PM EDTSpecial Weather StatementRNK29 min
Nov 12, 3:42 AM ESTWind AdvisoryRNK50 hr
Nov 17, 3:40 AM ESTWind AdvisoryRNK43 hr
Nov 19, 3:51 AM ESTAreal Flood AdvisoryRNK3 hr
Nov 30, 3:53 PM ESTFlood WatchRNK46 hr
Dec 2, 5:37 AM ESTSpecial Weather StatementRNK113 min
Dec 2, 7:16 AM ESTSpecial Weather StatementRNK74 min
Dec 2, 7:47 AM ESTAreal Flood AdvisoryRNK6 hr
Dec 13, 3:38 AM ESTWind AdvisoryRNK39 hr
Dec 24, 2:33 PM ESTFlash Flood WatchRNK31 hr
Dec 25, 2:52 PM ESTAreal Flood AdvisoryRNK6 hr
Dec 25, 3:31 PM ESTFlash Flood WarningRNK6 hr
Dec 28, 3:36 AM ESTWind AdvisoryRNK24 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 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.