Alert archive / Tennessee / Scott County

Weather alerts in Scott County, Tennessee, 2023

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

Scott County and its neighbors

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

Alerts
118
Warnings
35
Watches
17
Advisories
34
Busiest month
June24 alerts
Busiest day
June 11, 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.

2 of 7 tornado warnings covering Scott County in 2023 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 36 minutes after it went out.

Scott County, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings7271%1100%36 min
Severe thunderstorm warnings16156%5100%28 min
Flash flood warnings3167%250%18 min

Each office's whole area, 2023

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Morristown, TN: tornado warnings29486%1060%11 min
NWS Morristown, TN: severe thunderstorm warnings28224613%38589%22 min
NWS Morristown, TN: flash flood warnings452544%4879%51 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 3, 1:24 PM ESTSpecial Weather StatementMRX51 min
Jan 12, 3:44 AM ESTWinter Weather AdvisoryMRX51 hr
Jan 17, 6:48 PM ESTDense Fog AdvisoryMRX16 hr
Jan 18, 4:10 AM ESTWind AdvisoryMRX39 hr
Jan 23, 3:38 PM ESTWind AdvisoryMRX51 hr
Jan 30, 10:24 PM ESTDense Fog AdvisoryMRX12 hr
Jan 31, 3:15 PM ESTWinter Weather AdvisoryMRX16 hr
Feb 8, 3:32 AM ESTWind AdvisoryMRX39 hr
Feb 16, 5:12 AM ESTAreal Flood AdvisoryMRX3 hr
Feb 16, 9:12 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 16, 11:27 PM ESTFlash Flood WarningMRX3 hr
Feb 17, 2:24 AM ESTAreal Flood AdvisoryMRX3 hr
Feb 21, 2:36 PM ESTWind AdvisoryMRX40 hr
Feb 26, 3:26 AM ESTWind AdvisoryMRX52 hr
Mar 1, 10:35 PM ESTAreal Flood AdvisoryMRX3 hr
Mar 2, 3:35 AM ESTHigh Wind WatchMRX12 hr
Mar 2, 3:34 PM ESTHigh Wind WarningMRX35 hr
Mar 3, 11:34 AM ESTTornado WatchSPC5 hr
Mar 12, 3:20 PM EDTFreeze WatchMRX12 hr
Mar 13, 3:09 AM EDTFreeze WarningMRX34 hr
Mar 14, 3:29 AM EDTFreeze WarningMRX32 hr
Mar 17, 3:26 AM EDTFreeze WatchMRX7 hr
Mar 17, 10:10 AM EDTFreeze WarningMRX23 hr
Mar 18, 2:59 AM EDTFreeze WarningMRX34 hr
Mar 18, 3:33 PM EDTFreeze WarningMRX43 hr
Mar 19, 3:30 PM EDTFreeze WatchMRX12 hr
Mar 20, 3:09 AM EDTFreeze WarningMRX30 hr
Mar 24, 3:54 AM EDTWind AdvisoryMRX40 hr
Mar 24, 11:55 PM EDTMesoscale DiscussionSPC3 hr
Mar 25, 1:03 AM EDTSevere Thunderstorm WatchSPC5 hr
Mar 25, 1:57 AM EDTSpecial Weather StatementMRX63 min
Mar 25, 2:45 AM EDTSevere Thunderstorm WarningMRX45 min
Mar 25, 5:49 AM EDTWind AdvisoryMRX14 hr
Mar 28, 2:49 PM EDTFrost AdvisoryMRX18 hr
Mar 29, 3:09 PM EDTFrost AdvisoryMRX18 hr
Mar 31, 3:05 AM EDTWind AdvisoryMRX41 hr
Apr 1, 2:49 AM EDTTornado WatchSPC4 hr
Apr 1, 4:00 AM EDTSevere Thunderstorm WarningMRX15 min
Apr 5, 6:12 PM EDTMesoscale DiscussionSPC2 hr
Apr 19, 3:39 PM EDTFire Weather WatchMRX13 hr
Apr 20, 4:37 AM EDTRed Flag WarningMRX15 hr
Apr 23, 3:00 AM EDTFrost AdvisoryMRX30 hr
Apr 24, 11:59 AM EDTFrost AdvisoryMRX21 hr
May 9, 4:09 AM EDTSpecial Weather StatementMRX51 min
May 16, 11:43 AM EDTMesoscale DiscussionSPC2 hr
May 16, 12:30 PM EDTSevere Thunderstorm WatchSPC8 hr
May 16, 3:56 PM EDTMesoscale DiscussionSPC94 min
May 16, 4:46 PM EDTSpecial Weather StatementMRX29 min
May 26, 4:52 PM EDTAreal Flood AdvisoryMRX92 min
Jun 8, 3:08 AM EDTDense Fog AdvisoryMRX6 hr
Jun 11, 4:34 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 11, 5:35 PM EDTTornado WarningMRX40 min
Jun 11, 6:07 PM EDTTornado WarningMRX38 min
Jun 11, 6:39 PM EDTTornado WarningMRX39 min
Jun 11, 6:42 PM EDTSevere Thunderstorm WarningMRX63 min
Jun 11, 6:48 PM EDTMesoscale DiscussionSPC57 min
Jun 11, 7:01 PM EDTSevere Thunderstorm WarningMRX46 min
Jun 11, 7:04 PM EDTTornado WarningMRX25 min
Jun 11, 7:08 PM EDTTornado WarningMRX52 min
Jun 11, 7:24 PM EDTTornado WarningMRX51 min
Jun 11, 8:03 PM EDTTornado WarningMRX42 min
Jun 11, 8:38 PM EDTSevere Thunderstorm WarningMRX55 min
Jun 11, 9:17 PM EDTSevere Thunderstorm WarningMRX58 min
Jun 25, 11:30 AM EDTMesoscale DiscussionSPC2 hr
Jun 25, 9:17 PM EDTMesoscale DiscussionSPC118 min
Jun 25, 10:21 PM EDTSevere Thunderstorm WatchSPC6 hr
Jun 26, 12:25 AM EDTMesoscale DiscussionSPC95 min
Jun 26, 12:41 AM EDTSevere Thunderstorm WarningMRX34 min
Jun 26, 1:09 AM EDTSevere Thunderstorm WarningMRX51 min
Jun 26, 1:45 AM EDTSevere Thunderstorm WarningMRX45 min
Jun 26, 1:54 AM EDTMesoscale DiscussionSPC96 min
Jun 30, 6:23 AM EDTSpecial Weather StatementMRX52 min
Jun 30, 9:42 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 2, 12:56 PM EDTMesoscale DiscussionSPC2 hr
Jul 2, 1:14 PM EDTSevere Thunderstorm WatchSPC8 hr
Jul 4, 8:30 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 5, 12:16 PM EDTAreal Flood AdvisoryMRX85 min
Jul 8, 6:14 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 10, 5:47 AM EDTDense Fog AdvisoryMRX3 hr
Jul 20, 3:49 AM EDTFlood WatchMRX16 hr
Jul 20, 8:05 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 20, 11:00 AM EDTFlash Flood WarningMRX4 hr
Jul 20, 1:39 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 20, 4:34 PM EDTAreal Flood AdvisoryMRX3 hr
Jul 29, 2:47 PM EDTMesoscale DiscussionSPC118 min
Jul 29, 5:30 PM EDTMesoscale DiscussionSPC90 min
Jul 29, 5:54 PM EDTSpecial Weather StatementMRX51 min
Jul 29, 6:38 PM EDTSevere Thunderstorm WarningMRX38 min
Aug 7, 10:19 AM EDTMesoscale DiscussionSPC86 min
Aug 7, 11:17 AM EDTTornado WatchSPC7 hr
Aug 7, 11:21 AM EDTSevere Thunderstorm WarningMRX54 min
Aug 7, 12:11 PM EDTSevere Thunderstorm WarningMRX64 min
Aug 7, 1:35 PM EDTSevere Thunderstorm WarningMRX55 min
Aug 12, 11:50 AM EDTSevere Thunderstorm WatchSPC7 hr
Aug 12, 1:57 PM EDTMesoscale DiscussionSPC2 hr
Aug 12, 2:12 PM EDTSpecial Weather StatementMRX48 min
Aug 12, 2:17 PM EDTSevere Thunderstorm WarningMRX43 min
Aug 12, 2:51 PM EDTSevere Thunderstorm Warning Considerable damage threatMRX39 min
Aug 12, 3:07 PM EDTAreal Flood AdvisoryMRX113 min
Aug 12, 3:11 PM EDTSevere Thunderstorm WarningMRX39 min
Aug 12, 3:26 PM EDTFlash Flood WarningMRX3 hr
Aug 13, 7:44 PM EDTSpecial Weather StatementMRX46 min
Aug 14, 8:10 AM EDTSpecial Weather StatementMRX50 min
Aug 14, 6:43 PM EDTMesoscale DiscussionSPC2 hr
Aug 14, 8:33 PM EDTSevere Thunderstorm WatchSPC6 hr
Aug 25, 8:57 PM EDTSpecial Weather StatementMRX33 min
Aug 27, 3:15 PM EDTSpecial Weather StatementMRX45 min
Aug 28, 10:08 AM EDTAreal Flood AdvisoryMRX3 hr
Sep 9, 7:44 PM EDTSpecial Weather StatementMRX46 min
Sep 27, 12:41 PM EDTSpecial Weather StatementMRX49 min
Oct 22, 3:08 AM EDTFrost AdvisoryMRX31 hr
Oct 30, 3:42 AM EDTFreeze WatchMRX24 hr
Oct 31, 3:37 AM EDTFreeze WarningMRX30 hr
Nov 20, 3:54 AM ESTWind AdvisoryMRX36 hr
Dec 9, 3:45 PM ESTMesoscale DiscussionSPC90 min
Dec 9, 7:39 PM ESTMesoscale DiscussionSPC96 min
Dec 9, 9:18 PM ESTMesoscale DiscussionSPC87 min
Dec 9, 9:53 PM ESTMesoscale DiscussionSPC2 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 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.