Alert archive / Tennessee / Hancock County

Weather alerts in Hancock County, Tennessee, 2019

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

Hancock County and its neighbors

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

Alerts
92
Warnings
28
Watches
9
Advisories
33
Busiest month
February26 alerts
Busiest day
February 7, 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 2 tornado warnings covering Hancock County in 2019 had a tornado report inside them.

Hancock County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings20100%0
Severe thunderstorm warnings990%333%10 min
Flash flood warnings10100%10%

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Morristown, TN: tornado warnings50100%30%
NWS Morristown, TN: severe thunderstorm warnings12610120%23974%20 min
NWS Morristown, TN: flash flood warnings241250%3751%36 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 4, 6:16 PM ESTSpecial Weather StatementMRX44 min
Jan 18, 5:30 AM ESTDense Fog AdvisoryMRX5 hr
Jan 23, 3:54 AM ESTWind AdvisoryMRX18 hr
Jan 27, 3:11 PM ESTWinter Storm WatchMRX13 hr
Jan 28, 3:56 AM ESTWinter Weather AdvisoryMRX35 hr
Feb 6, 8:04 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 6, 10:58 PM ESTAreal Flood WarningMRX3 hr
Feb 7, 1:58 AM ESTAreal Flood AdvisoryMRX2 hr
Feb 7, 2:08 AM ESTAreal Flood WarningMRX112 min
Feb 7, 3:46 AM ESTAreal Flood WarningMRX119 min
Feb 7, 4:11 AM ESTAreal Flood WarningMRX2 hr
Feb 7, 5:35 AM ESTAreal Flood WarningMRX9 hr
Feb 11, 3:16 AM ESTFlash Flood WatchMRX40 hr
Feb 12, 11:39 AM ESTRiver Flood AdvisoryMRX36 hr
Feb 12, 1:47 PM ESTAreal Flood AdvisoryMRX4 hr
Feb 18, 4:13 AM ESTRiver Flood AdvisoryMRX36 hr
Feb 19, 3:52 AM ESTFlood WatchMRX45 hr
Feb 19, 10:44 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 20, 4:32 PM ESTAreal Flood AdvisoryMRX3 hr
Feb 20, 5:25 PM ESTRiver Flood WarningMRX6 days
Feb 20, 9:01 PM ESTRiver Flood WarningMRX5 days
Feb 20, 9:32 PM ESTRiver Flood AdvisoryMRX36 hr
Feb 20, 9:32 PM ESTRiver Flood AdvisoryMRX36 hr
Feb 21, 9:59 AM ESTRiver Flood WarningMRX4 days
Feb 21, 11:29 AM ESTFlood WatchMRX68 hr
Feb 23, 5:17 AM ESTAreal Flood AdvisoryMRX5 hr
Feb 23, 8:42 AM ESTAreal Flood WarningMRX6 hr
Feb 23, 10:01 AM ESTRiver Flood WarningMRX35 hr
Feb 23, 11:03 AM ESTWind AdvisoryMRX44 hr
Feb 23, 2:13 PM ESTAreal Flood WarningMRX71 hr
Feb 24, 9:27 AM ESTRiver Flood WarningMRX10 hr
Mar 9, 10:55 PM ESTSpecial Weather StatementMRX65 min
Mar 30, 6:00 AM EDTFreeze WatchMRX22 hr
Mar 31, 4:03 AM EDTFreeze WarningMRX30 hr
Apr 8, 12:01 PM EDTMesoscale DiscussionSPC119 min
Apr 13, 3:14 PM EDTWind AdvisoryMRX29 hr
Apr 14, 4:28 PM EDTSevere Thunderstorm WatchSPC6 hr
Apr 14, 6:31 PM EDTSevere Thunderstorm WarningMRX29 min
Apr 15, 3:37 PM EDTFrost AdvisoryMRX16 hr
Apr 19, 2:12 AM EDTSpecial Weather StatementMRX48 min
Apr 19, 4:33 PM EDTAreal Flood AdvisoryMRX3 hr
May 2, 7:02 PM EDTSpecial Weather StatementMRX43 min
May 2, 7:24 PM EDTSpecial Weather StatementMRX51 min
May 3, 12:58 PM EDTMesoscale DiscussionSPC2 hr
May 18, 8:28 PM EDTSpecial Weather StatementMRX47 min
May 18, 8:38 PM EDTSevere Thunderstorm WarningMRX29 min
Jun 20, 12:34 AM EDTSpecial Weather StatementMRX56 min
Jun 20, 1:12 AM EDTSpecial Weather StatementMRX48 min
Jun 20, 8:38 AM EDTSpecial Weather StatementMRX67 min
Jun 20, 4:17 PM EDTMesoscale DiscussionSPC88 min
Jun 20, 5:02 PM EDTSpecial Weather StatementMRX43 min
Jun 20, 5:14 PM EDTTornado WarningMRX31 min
Jun 21, 10:02 PM EDTMesoscale DiscussionSPC118 min
Jun 21, 11:37 PM EDTSevere Thunderstorm WarningMRX38 min
Jun 21, 11:55 PM EDTSevere Thunderstorm WarningMRX50 min
Jun 24, 1:22 PM EDTMesoscale DiscussionSPC113 min
Jun 24, 1:49 PM EDTSevere Thunderstorm WatchSPC7 hr
Jun 24, 4:42 PM EDTMesoscale DiscussionSPC93 min
Jun 24, 5:37 PM EDTSevere Thunderstorm WarningMRX38 min
Jul 7, 2:50 PM EDTSpecial Weather StatementMRX40 min
Jul 11, 10:05 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 11, 10:56 AM EDTFlash Flood WarningMRX3 hr
Jul 18, 3:59 AM EDTAreal Flood AdvisoryMRX3 hr
Jul 18, 7:03 AM EDTAreal Flood AdvisoryMRX117 min
Jul 22, 3:18 AM EDTFlash Flood WatchMRX32 hr
Jul 31, 4:27 PM EDTSpecial Weather StatementMRX33 min
Aug 2, 4:21 PM EDTAreal Flood AdvisoryMRX58 min
Aug 3, 5:40 AM EDTDense Fog AdvisoryMRX4 hr
Aug 13, 11:55 AM EDTSpecial Weather StatementMRX50 min
Aug 13, 12:00 PM EDTMesoscale DiscussionSPC105 min
Aug 13, 12:16 PM EDTSpecial Weather StatementMRX44 min
Sep 27, 1:42 AM EDTDense Fog AdvisoryMRX7 hr
Oct 17, 3:19 PM EDTFrost AdvisoryMRX18 hr
Oct 21, 4:01 AM EDTDense Fog AdvisoryMRX5 hr
Oct 23, 3:17 PM EDTFrost AdvisoryMRX18 hr
Oct 28, 6:11 AM EDTDense Fog AdvisoryMRX4 hr
Oct 31, 3:16 AM EDTFreeze WarningMRX31 hr
Oct 31, 11:33 AM EDTSevere Thunderstorm WarningMRX42 min
Oct 31, 11:40 AM EDTSevere Thunderstorm WarningMRX50 min
Oct 31, 11:50 AM EDTTornado WarningMRX40 min
Oct 31, 12:11 PM EDTSevere Thunderstorm WarningMRX34 min
Nov 1, 3:32 AM EDTFreeze WatchMRX12 hr
Nov 1, 3:25 PM EDTFreeze WarningMRX19 hr
Nov 11, 3:30 AM ESTWinter Weather AdvisoryMRX31 hr
Nov 26, 1:59 PM ESTWind AdvisoryMRX27 hr
Dec 1, 10:00 AM ESTRiver Flood WarningMRX10 hr
Dec 1, 11:05 AM ESTRiver Flood AdvisoryMRX36 hr
Dec 1, 11:05 AM ESTRiver Flood AdvisoryMRX36 hr
Dec 1, 2:39 PM ESTWinter Weather AdvisoryMRX33 hr
Dec 25, 2:58 AM ESTDense Fog AdvisoryMRX7 hr
Dec 30, 1:18 AM ESTSevere Thunderstorm WarningMRX40 min
Dec 30, 2:00 AM ESTSpecial Weather StatementMRX45 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 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.