Alert archive / Virginia / Wise County

Weather alerts in Wise County, Virginia, 2011

175 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Wise County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
175
Warnings
53
Watches
30
Advisories
47
Busiest month
May45 alerts
Busiest day
May 24, 201115 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

0 of 4 tornado warnings covering Wise County in 2011 had a tornado report inside them.

Wise County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings40100%0
Severe thunderstorm warnings362628%14100%25 min
Flash flood warnings4250%2100%114 min

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Morristown, TN: tornado warnings1002773%4693%26 min
NWS Morristown, TN: severe thunderstorm warnings40028728%53378%23 min
NWS Morristown, TN: flash flood warnings231248%2095%84 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, 2:50 PM ESTWinter Storm WarningMRX49 hr
Jan 9, 3:20 PM ESTWinter Weather AdvisoryMRX4 days
Jan 20, 11:23 AM ESTWinter Weather AdvisoryMRX16 hr
Jan 25, 3:51 AM ESTWinter Storm WatchMRX12 hr
Jan 25, 3:14 PM ESTWinter Storm WarningMRX28 hr
Jan 31, 3:09 PM ESTHigh Wind WatchMRX13 hr
Feb 1, 3:59 AM ESTHigh Wind WarningMRX31 hr
Feb 9, 3:10 AM ESTWinter Weather AdvisoryMRX24 hr
Feb 24, 12:11 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 24, 2:16 PM ESTWind AdvisoryMRX25 hr
Feb 25, 1:48 AM ESTMesoscale DiscussionSPC27 min
Feb 25, 2:25 AM ESTSevere Thunderstorm WarningMRX50 min
Feb 27, 4:20 AM ESTWind AdvisoryMRX36 hr
Feb 27, 2:09 PM ESTFlood WatchMRX26 hr
Feb 27, 8:21 PM ESTDense Fog AdvisoryMRX8 hr
Feb 28, 5:47 AM ESTTornado WatchSPC5 hr
Feb 28, 6:59 AM ESTTornado WatchSPC7 hr
Feb 28, 9:28 AM ESTSevere Thunderstorm WarningMRX47 min
Feb 28, 1:02 PM ESTAreal Flood WarningMRX12 hr
Mar 5, 4:03 AM ESTFlood WatchMRX35 hr
Mar 6, 8:35 AM ESTWinter Weather AdvisoryMRX7 hr
Mar 8, 3:16 AM ESTWind AdvisoryMRX42 hr
Mar 8, 3:24 AM ESTFlood WatchMRX36 hr
Mar 9, 11:11 AM ESTWinter Storm WatchMRX17 hr
Mar 9, 11:44 AM ESTAreal Flood AdvisoryMRX3 hr
Mar 10, 4:19 AM ESTWinter Storm WarningMRX30 hr
Mar 10, 4:19 AM ESTWinter Weather AdvisoryMRX25 hr
Mar 10, 8:42 AM ESTAreal Flood AdvisoryMRX4 hr
Mar 11, 5:14 AM ESTWinter Weather AdvisoryMRX5 hr
Mar 23, 2:57 PM EDTSevere Thunderstorm WarningMRX33 min
Mar 23, 3:45 PM EDTTornado WatchSPC6 hr
Mar 23, 3:54 PM EDTMesoscale DiscussionSPC96 min
Mar 23, 8:18 PM EDTAreal Flood AdvisoryMRX3 hr
Mar 24, 5:45 AM EDTFreeze WatchMRX9 hr
Mar 28, 3:17 PM EDTFreeze WarningMRX18 hr
Mar 31, 9:24 AM EDTWinter Weather AdvisoryMRX5 hr
Mar 31, 3:03 PM EDTFreeze WarningMRX18 hr
Apr 1, 2:59 PM EDTWind AdvisoryMRX31 hr
Apr 3, 4:13 AM EDTWind AdvisoryMRX43 hr
Apr 4, 2:25 PM EDTMesoscale DiscussionSPC65 min
Apr 4, 3:05 PM EDTSevere Thunderstorm WatchSPC6 hr
Apr 4, 4:49 PM EDTMesoscale DiscussionSPC56 min
Apr 4, 6:00 PM EDTMesoscale DiscussionSPC90 min
Apr 4, 6:12 PM EDTSevere Thunderstorm WarningMRX63 min
Apr 4, 6:19 PM EDTAreal Flood AdvisoryMRX3 hr
Apr 5, 12:00 AM EDTAreal Flood AdvisoryMRX4 hr
Apr 5, 4:04 AM EDTFrost AdvisoryMRX28 hr
Apr 8, 4:51 PM EDTMesoscale DiscussionSPC84 min
Apr 8, 6:15 PM EDTSevere Thunderstorm WatchSPC6 hr
Apr 8, 7:35 PM EDTMesoscale DiscussionSPC55 min
Apr 8, 11:07 PM EDTSevere Thunderstorm WatchSPC6 hr
Apr 9, 12:42 AM EDTMesoscale DiscussionSPC93 min
Apr 9, 12:46 AM EDTSevere Thunderstorm WarningMRX59 min
Apr 9, 12:34 PM EDTSevere Thunderstorm WatchSPC4 hr
Apr 9, 2:00 PM EDTTornado WatchSPC7 hr
Apr 9, 3:37 PM EDTTornado WarningMRX38 min
Apr 9, 4:21 PM EDTMesoscale DiscussionSPC84 min
Apr 11, 3:47 AM EDTWind AdvisoryMRX16 hr
Apr 11, 12:24 PM EDTMesoscale DiscussionSPC36 min
Apr 11, 12:47 PM EDTTornado WatchSPC6 hr
Apr 11, 3:44 PM EDTMesoscale DiscussionSPC61 min
Apr 13, 3:20 PM EDTFrost AdvisoryMRX18 hr
Apr 15, 2:43 AM EDTWind AdvisoryMRX27 hr
Apr 16, 10:46 AM EDTWind AdvisoryMRX10 hr
Apr 20, 1:59 AM EDTTornado WatchSPC5 hr
Apr 20, 3:20 AM EDTMesoscale DiscussionSPC85 min
Apr 26, 3:30 PM EDTWind AdvisoryMRX35 hr
Apr 27, 3:22 PM EDTMesoscale DiscussionSPC83 min
Apr 27, 5:38 PM EDTMesoscale DiscussionSPC37 min
Apr 27, 5:44 PM EDTTornado WatchSPC7 hr
Apr 27, 6:40 PM EDTSevere Thunderstorm WarningMRX50 min
Apr 27, 8:16 PM EDTTornado WarningMRX29 min
Apr 27, 9:22 PM EDTMesoscale DiscussionSPC53 min
Apr 27, 9:37 PM EDTSevere Thunderstorm WarningMRX53 min
Apr 28, 12:34 AM EDTMesoscale DiscussionSPC26 min
Apr 28, 1:29 AM EDTAreal Flood AdvisoryMRX3 hr
May 4, 10:14 AM EDTFrost AdvisoryMRX23 hr
May 10, 11:21 AM EDTMesoscale DiscussionSPC114 min
May 10, 3:20 PM EDTSevere Thunderstorm WatchSPC8 hr
May 10, 3:21 PM EDTSevere Thunderstorm WarningMRX32 min
May 10, 6:02 PM EDTMesoscale DiscussionSPC58 min
May 10, 9:01 PM EDTMesoscale DiscussionSPC59 min
May 10, 9:32 PM EDTSevere Thunderstorm WarningMRX43 min
May 10, 9:38 PM EDTSevere Thunderstorm WarningMRX52 min
May 10, 10:30 PM EDTSevere Thunderstorm WarningMRX42 min
May 10, 11:01 PM EDTAreal Flood AdvisoryMRX3 hr
May 10, 11:17 PM EDTMesoscale DiscussionSPC58 min
May 11, 2:37 AM EDTMesoscale DiscussionSPC23 min
May 11, 3:47 AM EDTSevere Thunderstorm WarningMRX41 min
May 11, 4:04 AM EDTAreal Flood AdvisoryMRX3 hr
May 13, 1:10 PM EDTSevere Thunderstorm WatchSPC6 hr
May 13, 2:09 PM EDTSevere Thunderstorm WarningMRX66 min
May 13, 3:47 PM EDTMesoscale DiscussionSPC58 min
May 22, 1:55 PM EDTMesoscale DiscussionSPC65 min
May 22, 2:18 PM EDTSevere Thunderstorm WatchSPC7 hr
May 22, 4:44 PM EDTMesoscale DiscussionSPC61 min
May 22, 6:48 PM EDTSevere Thunderstorm WarningMRX57 min
May 22, 7:26 PM EDTMesoscale DiscussionSPC2 hr
May 24, 7:01 AM EDTSevere Thunderstorm WatchSPC8 hr
May 24, 8:34 AM EDTMesoscale DiscussionSPC116 min
May 24, 10:00 AM EDTSevere Thunderstorm WarningMRX45 min
May 24, 12:55 PM EDTMesoscale DiscussionSPC65 min
May 24, 1:57 PM EDTSevere Thunderstorm WatchSPC6 hr
May 24, 3:28 PM EDTSevere Thunderstorm WarningMRX47 min
May 24, 3:33 PM EDTMesoscale DiscussionSPC87 min
May 24, 3:53 PM EDTTornado WarningMRX27 min
May 24, 4:19 PM EDTSevere Thunderstorm WarningMRX19 min
May 24, 4:27 PM EDTMesoscale DiscussionSPC63 min
May 24, 4:28 PM EDTAreal Flood AdvisoryMRX6 hr
May 24, 4:42 PM EDTSevere Thunderstorm WarningMRX48 min
May 24, 5:14 PM EDTTornado WarningMRX34 min
May 24, 5:44 PM EDTSevere Thunderstorm WarningMRX31 min
May 24, 7:46 PM EDTMesoscale DiscussionSPC59 min
May 26, 10:15 AM EDTSevere Thunderstorm WatchSPC9 hr
May 26, 1:02 PM EDTSevere Thunderstorm WarningMRX43 min
May 26, 1:15 PM EDTMesoscale DiscussionSPC90 min
May 26, 1:47 PM EDTSevere Thunderstorm WarningMRX43 min
May 26, 2:34 PM EDTSevere Thunderstorm WarningMRX26 min
May 26, 4:30 PM EDTMesoscale DiscussionSPC60 min
May 26, 4:36 PM EDTMesoscale DiscussionSPC84 min
May 26, 5:10 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 1, 4:35 PM EDTMesoscale DiscussionSPC85 min
Jun 7, 5:24 PM EDTSevere Thunderstorm WarningMRX36 min
Jun 7, 6:04 PM EDTMesoscale DiscussionSPC116 min
Jun 7, 6:05 PM EDTSevere Thunderstorm WarningMRX40 min
Jun 7, 6:46 PM EDTSevere Thunderstorm WarningMRX44 min
Jun 9, 1:10 PM EDTMesoscale DiscussionSPC95 min
Jun 9, 3:10 PM EDTSevere Thunderstorm WarningMRX35 min
Jun 10, 7:02 PM EDTAreal Flood AdvisoryMRX118 min
Jun 10, 7:35 PM EDTFlash Flood WarningMRX3 hr
Jun 11, 1:48 PM EDTMesoscale DiscussionSPC87 min
Jun 18, 11:05 AM EDTSevere Thunderstorm WatchSPC9 hr
Jun 19, 11:17 AM EDTFlash Flood WatchMRX19 hr
Jun 20, 9:32 AM EDTAreal Flood AdvisoryMRX3 hr
Jun 20, 9:40 AM EDTSevere Thunderstorm WarningMRX50 min
Jun 20, 9:53 AM EDTMesoscale DiscussionSPC97 min
Jun 20, 12:40 PM EDTAreal Flood AdvisoryMRX92 min
Jun 20, 12:46 PM EDTMesoscale DiscussionSPC59 min
Jun 21, 9:49 PM EDTSevere Thunderstorm WarningMRX41 min
Jun 21, 10:06 PM EDTSevere Thunderstorm WarningMRX39 min
Jun 27, 4:17 PM EDTMesoscale DiscussionSPC88 min
Jun 27, 6:42 PM EDTSevere Thunderstorm WarningMRX48 min
Jun 28, 4:23 PM EDTAreal Flood AdvisoryMRX3 hr
Jun 28, 5:00 PM EDTFlash Flood WarningMRX3 hr
Jul 3, 4:51 PM EDTSevere Thunderstorm WarningMRX24 min
Jul 3, 9:34 PM EDTSevere Thunderstorm WarningMRX26 min
Jul 4, 12:10 PM EDTMesoscale DiscussionSPC95 min
Jul 4, 12:50 PM EDTSevere Thunderstorm WatchSPC7 hr
Jul 4, 2:31 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 11, 9:13 PM EDTSevere Thunderstorm WarningMRX62 min
Jul 22, 5:59 PM EDTMesoscale DiscussionSPC2 hr
Jul 25, 11:53 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 25, 12:46 PM EDTFlash Flood WarningMRX3 hr
Jul 25, 3:46 PM EDTFlash Flood WarningMRX3 hr
Aug 3, 10:01 AM EDTSevere Thunderstorm WatchSPC7 hr
Aug 3, 1:26 PM EDTMesoscale DiscussionSPC64 min
Aug 8, 3:45 PM EDTSevere Thunderstorm WarningMRX60 min
Aug 8, 4:50 PM EDTSevere Thunderstorm WarningMRX55 min
Aug 14, 1:50 PM EDTMesoscale DiscussionSPC55 min
Aug 18, 3:26 PM EDTAreal Flood AdvisoryMRX3 hr
Aug 18, 4:41 PM EDTSevere Thunderstorm WarningMRX34 min
Aug 18, 6:08 PM EDTAreal Flood AdvisoryMRX112 min
Sep 4, 3:13 AM EDTFlash Flood WatchMRX60 hr
Sep 10, 4:55 AM EDTDense Fog AdvisoryMRX5 hr
Sep 22, 5:43 AM EDTDense Fog AdvisoryMRX3 hr
Sep 26, 2:16 PM EDTMesoscale DiscussionSPC59 min
Oct 2, 3:04 PM EDTFrost AdvisoryMRX19 hr
Oct 20, 9:05 PM EDTFrost AdvisoryMRX7 hr
Oct 21, 3:56 AM EDTFreeze WarningMRX29 hr
Oct 22, 2:52 PM EDTFrost AdvisoryMRX18 hr
Oct 29, 4:23 AM EDTFreeze WarningMRX30 hr
Nov 5, 3:07 AM EDTDense Fog AdvisoryMRX8 hr
Dec 6, 3:43 PM ESTWinter Weather AdvisoryMRX28 hr
Dec 27, 3:23 AM ESTWind AdvisoryMRX15 hr
Dec 27, 3:35 AM ESTWinter Weather AdvisoryMRX30 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 archive20102012

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.