Alert archive / Tennessee / Clay County

Weather alerts in Clay County, Tennessee, 2023

122 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Clay County and its neighbors

Each county as a circle sized by its count in 2023. Tap one for its archive.

Alerts
122
Warnings
29
Watches
20
Advisories
36
Busiest month
June26 alerts
Busiest day
June 26, 202310 alerts

Over time

By month

Warning verification

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

1 of 3 tornado warnings covering Clay County in 2023 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 20 minutes after it went out.

Clay County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings3167%1100%20 min
Severe thunderstorm warnings14564%367%15 min
Flash flood warnings110%0

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Nashville, TN: tornado warnings431565%4068%14 min
NWS Nashville, TN: severe thunderstorm warnings24313943%55276%18 min
NWS Nashville, TN: flash flood warnings151033%3972%78 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
Dec 31, 9:20 PM CSTDense Fog AdvisoryOHX12 hr
Jan 3, 2:08 AM CSTMesoscale DiscussionSPC3 hr
Jan 3, 8:44 AM CSTSpecial Weather StatementOHX46 min
Jan 18, 1:57 PM CSTWind AdvisoryOHX16 hr
Jan 19, 9:22 AM CSTWind AdvisoryOHX9 hr
Jan 23, 2:08 PM CSTWind AdvisoryOHX49 hr
Jan 31, 2:29 AM CSTWinter Weather AdvisoryOHX28 hr
Feb 8, 2:34 AM CSTWind AdvisoryOHX33 hr
Feb 13, 2:32 PM CSTWind AdvisoryOHX36 hr
Feb 16, 11:33 AM CSTMesoscale DiscussionSPC27 min
Feb 16, 12:00 PM CSTTornado WatchSPC7 hr
Feb 16, 2:02 PM CSTMesoscale DiscussionSPC118 min
Feb 16, 3:42 PM CSTMesoscale DiscussionSPC2 hr
Feb 21, 4:45 AM CSTDense Fog AdvisoryOHX4 hr
Feb 22, 3:29 AM CSTWind AdvisoryOHX18 hr
Feb 26, 2:19 AM CSTDense Fog AdvisoryOHX7 hr
Feb 26, 2:19 AM CSTWind AdvisoryOHX40 hr
Mar 1, 4:56 PM CSTMesoscale DiscussionSPC64 min
Mar 2, 2:50 AM CSTWind AdvisoryOHX11 hr
Mar 2, 2:09 PM CSTHigh Wind WarningOHX28 hr
Mar 3, 10:15 AM CSTMesoscale DiscussionSPC3 hr
Mar 3, 10:34 AM CSTTornado WatchSPC5 hr
Mar 3, 12:15 PM CSTSevere Thunderstorm Warning Considerable damage threatOHX30 min
Mar 12, 1:28 PM CDTFreeze WatchOHX13 hr
Mar 13, 2:19 AM CDTFreeze WarningOHX32 hr
Mar 14, 2:26 AM CDTFreeze WarningOHX32 hr
Mar 17, 1:40 PM CDTFreeze WarningOHX19 hr
Mar 18, 1:57 AM CDTFreeze WarningOHX32 hr
Mar 18, 10:06 AM CDTFreeze WarningOHX48 hr
Mar 19, 11:00 AM CDTFreeze WatchOHX16 hr
Mar 20, 2:48 AM CDTFreeze WarningOHX29 hr
Mar 24, 12:24 PM CDTWind AdvisoryOHX14 hr
Mar 24, 10:55 PM CDTMesoscale DiscussionSPC3 hr
Mar 24, 11:54 PM CDTSpecial Weather StatementOHX51 min
Mar 28, 8:36 PM CDTFrost AdvisoryOHX11 hr
Mar 31, 1:45 AM CDTWind AdvisoryOHX41 hr
Mar 31, 11:20 PM CDTMesoscale DiscussionSPC115 min
Mar 31, 11:59 PM CDTTornado WatchSPC6 hr
Apr 1, 12:55 AM CDTTornado WarningOHX18 min
Apr 1, 1:08 AM CDTSevere Thunderstorm WarningOHX52 min
Apr 1, 1:12 AM CDTTornado WarningOHX33 min
Apr 1, 1:47 AM CDTSevere Thunderstorm WarningOHX17 min
Apr 5, 12:51 PM CDTMesoscale DiscussionSPC84 min
Apr 5, 1:38 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 5, 1:58 PM CDTFlood WatchOHX19 hr
Apr 19, 2:21 PM CDTFire Weather WatchOHX13 hr
Apr 20, 2:55 AM CDTRed Flag WarningOHX16 hr
Apr 23, 2:17 AM CDTFrost AdvisoryOHX30 hr
Apr 24, 1:25 PM CDTFrost AdvisoryOHX19 hr
Apr 29, 2:16 AM CDTDense Fog AdvisoryOHX6 hr
May 7, 8:28 AM CDTMesoscale DiscussionSPC92 min
May 9, 1:11 AM CDTMesoscale DiscussionSPC3 hr
May 9, 4:03 AM CDTAreal Flood AdvisoryOHX3 hr
May 14, 9:51 AM CDTSpecial Weather StatementOHX39 min
May 16, 10:43 AM CDTMesoscale DiscussionSPC2 hr
May 16, 11:30 AM CDTSevere Thunderstorm WatchSPC8 hr
May 16, 2:56 PM CDTMesoscale DiscussionSPC94 min
Jun 4, 1:03 PM CDTMesoscale DiscussionSPC117 min
Jun 8, 5:51 AM CDTDense Fog AdvisoryOHX2 hr
Jun 11, 2:26 PM CDTSevere Thunderstorm WatchSPC7 hr
Jun 11, 2:35 PM CDTSevere Thunderstorm WarningOHX25 min
Jun 11, 2:48 PM CDTSevere Thunderstorm WarningOHX27 min
Jun 11, 3:16 PM CDTSevere Thunderstorm WarningOHX29 min
Jun 11, 4:37 PM CDTSevere Thunderstorm WarningOHX38 min
Jun 25, 10:30 AM CDTMesoscale DiscussionSPC2 hr
Jun 25, 8:17 PM CDTMesoscale DiscussionSPC118 min
Jun 25, 9:21 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 25, 11:25 PM CDTMesoscale DiscussionSPC95 min
Jun 26, 12:07 AM CDTSevere Thunderstorm WarningOHX38 min
Jun 26, 12:28 AM CDTSevere Thunderstorm WarningOHX47 min
Jun 26, 12:44 AM CDTSevere Thunderstorm WarningOHX31 min
Jun 26, 12:54 AM CDTMesoscale DiscussionSPC96 min
Jun 26, 1:19 AM CDTAreal Flood AdvisoryOHX116 min
Jun 26, 1:44 AM CDTSevere Thunderstorm WarningOHX46 min
Jun 26, 2:13 AM CDTAreal Flood AdvisoryOHX2 hr
Jun 28, 3:06 AM CDTExcessive Heat WarningOHX65 hr
Jun 29, 9:36 AM CDTMesoscale DiscussionSPC114 min
Jun 29, 10:59 AM CDTSevere Thunderstorm WatchSPC5 hr
Jun 30, 2:13 PM CDTHeat AdvisoryOHX25 hr
Jun 30, 5:29 PM CDTMesoscale DiscussionSPC91 min
Jun 30, 5:36 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 30, 6:23 PM CDTSevere Thunderstorm WarningOHX37 min
Jun 30, 6:59 PM CDTSevere Thunderstorm WarningOHX46 min
Jun 30, 7:58 PM CDTMesoscale DiscussionSPC92 min
Jul 1, 11:46 AM CDTMesoscale DiscussionSPC89 min
Jul 2, 11:56 AM CDTMesoscale DiscussionSPC2 hr
Jul 2, 12:33 PM CDTSevere Thunderstorm WatchSPC8 hr
Jul 2, 2:42 PM CDTMesoscale DiscussionSPC2 hr
Jul 9, 11:46 PM CDTDense Fog AdvisoryOHX8 hr
Jul 18, 12:48 PM CDTMesoscale DiscussionSPC57 min
Jul 18, 1:09 PM CDTSevere Thunderstorm WatchSPC7 hr
Jul 19, 1:34 PM CDTFlood WatchOHX27 hr
Jul 20, 5:57 AM CDTAreal Flood AdvisoryOHX3 hr
Jul 20, 7:47 AM CDTMesoscale DiscussionSPC118 min
Jul 20, 8:18 AM CDTFlash Flood WarningOHX4 hr
Jul 20, 11:51 AM CDTMesoscale DiscussionSPC84 min
Jul 20, 12:04 PM CDTSevere Thunderstorm WatchSPC4 hr
Aug 5, 12:04 AM CDTDense Fog AdvisoryOHX8 hr
Aug 7, 9:19 AM CDTMesoscale DiscussionSPC86 min
Aug 7, 10:17 AM CDTTornado WatchSPC7 hr
Aug 10, 9:21 PM CDTDense Fog AdvisoryOHX10 hr
Aug 12, 10:50 AM CDTSevere Thunderstorm WatchSPC7 hr
Aug 12, 12:57 PM CDTMesoscale DiscussionSPC2 hr
Aug 13, 3:10 AM CDTDense Fog AdvisoryOHX5 hr
Aug 14, 5:43 PM CDTMesoscale DiscussionSPC2 hr
Aug 21, 1:28 PM CDTHeat AdvisoryOHX5 days
Aug 27, 12:51 PM CDTAreal Flood AdvisoryOHX2 hr
Aug 30, 1:50 AM CDTDense Fog AdvisoryOHX6 hr
Sep 19, 1:21 AM CDTDense Fog AdvisoryOHX7 hr
Sep 27, 11:42 AM CDTSpecial Weather StatementOHX18 min
Sep 30, 1:38 AM CDTDense Fog AdvisoryOHX7 hr
Oct 7, 1:43 PM CDTFrost AdvisoryOHX18 hr
Oct 30, 2:08 AM CDTFreeze WarningOHX31 hr
Oct 30, 2:08 AM CDTFreeze WarningOHX55 hr
Nov 22, 9:53 PM CSTFreezing Fog AdvisoryOHX10 hr
Dec 3, 2:02 AM CSTDense Fog AdvisoryOHX4 hr
Dec 9, 1:59 PM CSTMesoscale DiscussionSPC91 min
Dec 9, 3:20 PM CSTTornado WatchSPC7 hr
Dec 9, 5:03 PM CSTMesoscale DiscussionSPC87 min
Dec 9, 5:46 PM CSTTornado WarningOHX29 min
Dec 9, 5:57 PM CSTSevere Thunderstorm WarningOHX11 min
Dec 9, 6:39 PM CSTMesoscale DiscussionSPC96 min

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 archive20222024

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.