Alert archive / Tennessee / White County

Weather alerts in White County, Tennessee, 2019

95 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

White County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
95
Warnings
18
Watches
9
Advisories
37
Busiest month
June19 alerts
Busiest day
June 20, 20197 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 1 tornado warnings covering White County in 2019 had a tornado report inside them.

White County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings10550%450%37 min
Flash flood warnings4325%0

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Nashville, TN: tornado warnings170100%70%
NWS Nashville, TN: severe thunderstorm warnings1378339%31171%20 min
NWS Nashville, TN: flash flood warnings634529%17879%92 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
Jan 21, 2:47 PM CSTWind AdvisoryOHX48 hr
Jan 27, 2:06 PM CSTWinter Weather AdvisoryOHX37 hr
Feb 6, 3:02 PM CSTMesoscale DiscussionSPC118 min
Feb 6, 3:45 PM CSTAreal Flood AdvisoryOHX4 hr
Feb 7, 9:49 AM CSTWind AdvisoryOHX9 hr
Feb 18, 1:51 PM CSTFlash Flood WatchOHX52 hr
Feb 20, 10:46 AM CSTFlash Flood WarningOHX3 hr
Feb 20, 1:43 PM CSTAreal Flood AdvisoryOHX2 hr
Feb 21, 1:48 AM CSTFlash Flood WatchOHX70 hr
Feb 23, 3:02 AM CSTAreal Flood AdvisoryOHX7 hr
Feb 23, 9:39 AM CSTAreal Flood AdvisoryOHX6 hr
Feb 23, 9:50 AM CSTFlash Flood WarningOHX3 hr
Feb 23, 10:12 AM CSTFlash Flood WarningOHX3 hr
Feb 23, 12:34 PM CSTAreal Flood AdvisoryOHX3 hr
Feb 23, 1:09 PM CSTAreal Flood AdvisoryOHX3 hr
Feb 23, 11:00 PM CSTAreal Flood AdvisoryOHX3 hr
Mar 9, 7:23 PM CSTSevere Thunderstorm WarningOHX23 min
Mar 13, 3:17 PM CDTWind AdvisoryOHX28 hr
Mar 25, 4:07 PM CDTSpecial Weather StatementOHX53 min
Mar 30, 3:54 AM CDTFreeze WatchOHX23 hr
Mar 30, 7:57 PM CDTSpecial Weather StatementOHX33 min
Mar 31, 2:36 AM CDTFreeze WarningOHX30 hr
Apr 7, 5:13 PM CDTSevere Thunderstorm WarningOHX32 min
Apr 9, 5:38 AM CDTDense Fog AdvisoryOHX4 hr
Apr 10, 2:32 PM CDTWind AdvisoryOHX30 hr
Apr 14, 2:22 AM CDTWind AdvisoryOHX17 hr
Apr 21, 2:05 AM CDTDense Fog AdvisoryOHX7 hr
Apr 21, 9:01 AM CDTDense Fog AdvisoryOHX53 min
May 2, 12:41 PM CDTSpecial Weather StatementOHX34 min
May 2, 12:57 PM CDTAreal Flood AdvisoryOHX2 hr
May 2, 5:42 PM CDTAreal Flood AdvisoryOHX2 hr
May 6, 3:15 AM CDTDense Fog AdvisoryOHX5 hr
May 11, 7:41 PM CDTAreal Flood AdvisoryOHX3 hr
May 18, 4:33 PM CDTSpecial Weather StatementOHX27 min
Jun 5, 1:59 PM CDTSpecial Weather StatementOHX31 min
Jun 5, 4:29 PM CDTSpecial Weather StatementOHX46 min
Jun 19, 5:31 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 19, 7:45 PM CDTMesoscale DiscussionSPC2 hr
Jun 19, 8:56 PM CDTSevere Thunderstorm WarningOHX34 min
Jun 19, 9:29 PM CDTSpecial Weather StatementOHX61 min
Jun 19, 10:01 PM CDTSevere Thunderstorm WarningOHX47 min
Jun 20, 4:00 AM CDTMesoscale DiscussionSPC90 min
Jun 20, 3:17 PM CDTMesoscale DiscussionSPC88 min
Jun 20, 5:08 PM CDTTornado WarningOHX16 min
Jun 21, 5:47 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 21, 7:58 PM CDTMesoscale DiscussionSPC92 min
Jun 21, 8:38 PM CDTSevere Thunderstorm WarningOHX52 min
Jun 21, 9:20 PM CDTSevere Thunderstorm WarningOHX38 min
Jun 22, 5:58 PM CDTSpecial Weather StatementOHX47 min
Jun 24, 12:22 PM CDTMesoscale DiscussionSPC113 min
Jun 24, 12:49 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 24, 2:01 PM CDTSpecial Weather StatementOHX44 min
Jun 24, 2:44 PM CDTSpecial Weather StatementOHX61 min
Jul 2, 11:33 PM CDTAreal Flood AdvisoryOHX117 min
Jul 5, 4:49 PM CDTSpecial Weather StatementOHX26 min
Jul 7, 5:06 PM CDTAreal Flood AdvisoryOHX3 hr
Jul 11, 4:07 PM CDTAreal Flood AdvisoryOHX115 min
Jul 13, 8:37 PM CDTSevere Thunderstorm WarningOHX23 min
Jul 13, 8:58 PM CDTSevere Thunderstorm WarningOHX37 min
Jul 13, 9:09 PM CDTFlash Flood WarningOHX3 hr
Jul 19, 3:13 PM CDTSpecial Weather StatementOHX47 min
Jul 19, 3:18 PM CDTSevere Thunderstorm WarningOHX27 min
Jul 20, 4:26 PM CDTSpecial Weather StatementOHX49 min
Jul 22, 3:19 AM CDTFlash Flood WatchOHX17 hr
Jul 22, 2:08 PM CDTMesoscale DiscussionSPC2 hr
Jul 22, 3:30 PM CDTAreal Flood AdvisoryOHX3 hr
Jul 22, 4:08 PM CDTSpecial Weather StatementOHX52 min
Jul 22, 4:25 PM CDTAreal Flood AdvisoryOHX2 hr
Jul 22, 4:33 PM CDTSpecial Weather StatementOHX27 min
Jul 22, 6:34 PM CDTAreal Flood AdvisoryOHX3 hr
Aug 5, 12:31 AM CDTDense Fog AdvisoryOHX8 hr
Aug 6, 8:46 PM CDTSpecial Weather StatementOHX59 min
Aug 8, 3:33 AM CDTDense Fog AdvisoryOHX5 hr
Aug 13, 1:58 PM CDTMesoscale DiscussionSPC2 hr
Aug 13, 2:49 PM CDTSevere Thunderstorm WatchSPC6 hr
Aug 13, 4:39 PM CDTSpecial Weather StatementOHX51 min
Aug 13, 4:47 PM CDTSevere Thunderstorm WarningOHX28 min
Aug 13, 5:06 PM CDTSpecial Weather StatementOHX39 min
Aug 13, 5:09 PM CDTMesoscale DiscussionSPC66 min
Aug 20, 5:06 PM CDTMesoscale DiscussionSPC114 min
Aug 20, 7:34 PM CDTSpecial Weather StatementOHX41 min
Aug 23, 1:13 AM CDTDense Fog AdvisoryOHX6 hr
Sep 10, 3:57 PM CDTSpecial Weather StatementOHX33 min
Sep 27, 12:49 AM CDTDense Fog AdvisoryOHX8 hr
Oct 17, 2:16 PM CDTFrost AdvisoryOHX18 hr
Oct 28, 2:04 AM CDTDense Fog AdvisoryOHX7 hr
Oct 28, 9:06 AM CDTDense Fog AdvisoryOHX114 min
Oct 28, 9:44 PM CDTDense Fog AdvisoryOHX11 hr
Oct 30, 2:02 PM CDTFreeze WatchOHX13 hr
Oct 31, 2:37 AM CDTFreeze WarningOHX30 hr
Nov 1, 2:07 PM CDTFreeze WarningOHX19 hr
Nov 26, 12:26 PM CSTWind AdvisoryOHX24 hr
Nov 30, 5:09 PM CSTSpecial Weather StatementOHX51 min
Dec 1, 3:33 PM CSTWinter Weather AdvisoryOHX20 hr
Dec 29, 9:15 PM CSTAreal Flood AdvisoryOHX3 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 archive20182020

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.