Alert archive / Tennessee / Davidson County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Davidson County, Tennessee, 2010

57 severe thunderstorm warnings in 2010. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Davidson County and its neighbors

Each county as a circle sized by its count in 2010. Tap one for its archive.

Severe Thunderstorm Warnings
57
Busiest month
May21 severe thunderstorm warnings
Busiest day
May 2, 201010 severe thunderstorm warnings

Over time

By month

Warning verification

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

27 of 57 severe thunderstorm warnings covering Davidson County in 2010 had a qualifying storm report inside them; 22 of 32 hail, wind and damage reports fell inside a warning, on average 19 minutes after it went out.

Davidson County, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Severe thunderstorm warnings572753%3269%19 min

Each office's whole area, 2010

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Nashville, TN: severe thunderstorm warnings37512467%24065%16 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
Mar 25, 5:41 PM CDTSevere Thunderstorm WarningOHX34 min
Mar 25, 6:05 PM CDTSevere Thunderstorm WarningOHX25 min
Apr 7, 11:31 PM CDTSevere Thunderstorm WarningOHX44 min
Apr 24, 1:20 PM CDTSevere Thunderstorm WarningOHX25 min
Apr 24, 6:34 PM CDTSevere Thunderstorm WarningOHX26 min
Apr 24, 7:42 PM CDTSevere Thunderstorm WarningOHX33 min
Apr 24, 7:46 PM CDTSevere Thunderstorm WarningOHX29 min
Apr 24, 8:10 PM CDTSevere Thunderstorm WarningOHX35 min
May 1, 12:41 PM CDTSevere Thunderstorm WarningOHX34 min
May 1, 1:08 PM CDTSevere Thunderstorm WarningOHX37 min
May 2, 5:53 AM CDTSevere Thunderstorm WarningOHX37 min
May 2, 5:57 AM CDTSevere Thunderstorm WarningOHX42 min
May 2, 6:12 AM CDTSevere Thunderstorm WarningOHX48 min
May 2, 6:59 AM CDTSevere Thunderstorm WarningOHX31 min
May 2, 7:36 AM CDTSevere Thunderstorm WarningOHX24 min
May 2, 7:49 AM CDTSevere Thunderstorm WarningOHX26 min
May 2, 8:58 AM CDTSevere Thunderstorm WarningOHX47 min
May 2, 11:04 AM CDTSevere Thunderstorm WarningOHX26 min
May 2, 11:34 AM CDTSevere Thunderstorm WarningOHX26 min
May 2, 1:00 PM CDTSevere Thunderstorm WarningOHX20 min
May 14, 12:14 PM CDTSevere Thunderstorm WarningOHX61 min
May 14, 1:18 PM CDTSevere Thunderstorm WarningOHX42 min
May 14, 1:58 PM CDTSevere Thunderstorm WarningOHX47 min
May 14, 2:43 PM CDTSevere Thunderstorm WarningOHX32 min
May 14, 3:13 PM CDTSevere Thunderstorm WarningOHX32 min
May 15, 2:07 PM CDTSevere Thunderstorm WarningOHX23 min
May 17, 7:40 PM CDTSevere Thunderstorm WarningOHX35 min
May 28, 6:22 PM CDTSevere Thunderstorm WarningOHX23 min
May 28, 6:44 PM CDTSevere Thunderstorm WarningOHX16 min
Jun 9, 3:19 PM CDTSevere Thunderstorm WarningOHX26 min
Jun 14, 4:49 PM CDTSevere Thunderstorm WarningOHX26 min
Jun 14, 5:20 PM CDTSevere Thunderstorm WarningOHX25 min
Jun 17, 4:01 PM CDTSevere Thunderstorm WarningOHX59 min
Jun 17, 4:54 PM CDTSevere Thunderstorm WarningOHX36 min
Jun 26, 1:05 PM CDTSevere Thunderstorm WarningOHX55 min
Jun 26, 7:21 PM CDTSevere Thunderstorm WarningOHX24 min
Jun 26, 7:44 PM CDTSevere Thunderstorm WarningOHX31 min
Jun 28, 4:19 PM CDTSevere Thunderstorm WarningOHX41 min
Jul 11, 4:50 PM CDTSevere Thunderstorm WarningOHX25 min
Jul 11, 10:06 PM CDTSevere Thunderstorm WarningOHX39 min
Jul 12, 8:18 PM CDTSevere Thunderstorm WarningOHX42 min
Jul 12, 8:40 PM CDTSevere Thunderstorm WarningOHX50 min
Jul 12, 8:54 PM CDTSevere Thunderstorm WarningOHX36 min
Jul 16, 6:21 PM CDTSevere Thunderstorm WarningOHX24 min
Jul 29, 4:49 PM CDTSevere Thunderstorm WarningOHX56 min
Jul 31, 8:36 PM CDTSevere Thunderstorm WarningOHX39 min
Jul 31, 8:51 PM CDTSevere Thunderstorm WarningOHX39 min
Aug 5, 12:47 PM CDTSevere Thunderstorm WarningOHX28 min
Aug 5, 1:14 PM CDTSevere Thunderstorm WarningOHX31 min
Aug 12, 3:28 PM CDTSevere Thunderstorm WarningOHX32 min
Sep 11, 2:30 PM CDTSevere Thunderstorm WarningOHX45 min
Oct 12, 1:11 PM CDTSevere Thunderstorm WarningOHX21 min
Oct 12, 2:14 PM CDTSevere Thunderstorm WarningOHX46 min
Oct 12, 2:51 PM CDTSevere Thunderstorm WarningOHX39 min
Oct 26, 11:27 AM CDTSevere Thunderstorm WarningOHX33 min
Oct 26, 11:51 AM CDTSevere Thunderstorm WarningOHX24 min
Nov 25, 4:27 PM CSTSevere Thunderstorm WarningOHX48 min

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.