Alert archive / Tennessee / Washington County

Weather alerts in Washington County, Tennessee, 2014

100 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Washington County and its neighbors

Each county as a circle sized by its count in 2014. Tap one for its archive.

Alerts
100
Warnings
24
Watches
17
Advisories
31
Busiest month
January16 alerts
Busiest day
June 10, 20145 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 2 tornado warnings covering Washington County in 2014 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 29 minutes after it went out.

Washington County, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings2150%1100%29 min
Severe thunderstorm warnings141214%888%14 min
Flash flood warnings00

Each office's whole area, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Morristown, TN: tornado warnings29390%978%22 min
NWS Morristown, TN: severe thunderstorm warnings19114922%29179%23 min
NWS Morristown, TN: flash flood warnings10550%1080%44 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 1, 3:15 PM ESTWinter Weather AdvisoryMRX40 hr
Jan 2, 5:29 AM ESTFreezing Rain AdvisoryMRX5 hr
Jan 5, 5:15 AM ESTWinter Weather AdvisoryMRX37 hr
Jan 5, 3:12 PM ESTWind Chill WarningMRX45 hr
Jan 5, 3:12 PM ESTWind Chill AdvisoryMRX45 hr
Jan 5, 8:02 PM ESTWind AdvisoryMRX8 hr
Jan 10, 4:18 AM ESTHigh Wind WatchMRX11 hr
Jan 10, 3:33 PM ESTWind AdvisoryMRX20 hr
Jan 14, 4:14 PM ESTWinter Weather AdvisoryMRX23 hr
Jan 18, 3:20 PM ESTWinter Weather AdvisoryMRX13 hr
Jan 20, 3:02 PM ESTWinter Weather AdvisoryMRX32 hr
Jan 22, 3:32 PM ESTWind Chill AdvisoryMRX43 hr
Jan 25, 5:44 AM ESTWind AdvisoryMRX22 hr
Jan 27, 3:26 AM ESTWind Chill AdvisoryMRX31 hr
Jan 27, 7:51 AM ESTFreezing Rain AdvisoryMRX2 hr
Jan 28, 2:22 AM ESTWinter Weather AdvisoryMRX20 hr
Feb 3, 3:45 PM ESTHigh Wind WatchMRX12 hr
Feb 4, 3:26 AM ESTHigh Wind WarningMRX27 hr
Feb 10, 3:44 AM ESTWinter Storm WatchMRX36 hr
Feb 11, 3:31 PM ESTWinter Storm WarningMRX48 hr
Feb 14, 4:36 AM ESTWinter Weather AdvisoryMRX32 hr
Feb 20, 10:47 PM ESTTornado WatchSPC6 hr
Feb 21, 3:14 AM ESTSevere Thunderstorm WarningMRX61 min
Mar 2, 4:13 PM ESTWinter Weather AdvisoryMRX26 hr
Mar 11, 4:13 PM EDTWind AdvisoryMRX31 hr
Mar 24, 3:48 PM EDTWinter Weather AdvisoryMRX31 hr
Apr 3, 9:43 AM EDTSpecial Weather StatementMRX47 min
Apr 4, 10:00 AM EDTSpecial Weather StatementMRX45 min
Apr 4, 10:45 AM EDTSpecial Weather StatementMRX45 min
Apr 4, 10:54 AM EDTSpecial Weather StatementMRX36 min
Apr 5, 3:09 AM EDTHigh Wind WatchMRX36 hr
Apr 5, 3:37 PM EDTFrost AdvisoryMRX17 hr
Apr 6, 2:51 PM EDTHigh Wind WarningMRX24 hr
Apr 14, 4:13 AM EDTFreeze WatchMRX25 hr
Apr 15, 4:46 AM EDTFreeze WatchMRX23 hr
Apr 15, 4:46 AM EDTFreeze WarningMRX29 hr
Apr 16, 3:36 AM EDTFreeze WarningMRX29 hr
Apr 25, 1:05 PM EDTSpecial Weather StatementMRX25 min
Apr 27, 3:25 PM EDTFlood WatchMRX66 hr
Apr 28, 2:33 PM EDTTornado WatchSPC5 hr
Apr 28, 4:12 PM EDTMesoscale DiscussionSPC63 min
May 11, 4:47 AM EDTDense Fog AdvisoryMRX4 hr
May 12, 9:19 PM EDTSpecial Weather StatementMRX56 min
May 13, 3:05 PM EDTSevere Thunderstorm WarningMRX40 min
May 21, 11:21 PM EDTSevere Thunderstorm WarningMRX39 min
May 23, 7:19 AM EDTSpecial Weather StatementMRX56 min
May 23, 7:47 AM EDTSpecial Weather StatementMRX43 min
May 29, 5:49 PM EDTSpecial Weather StatementMRX41 min
May 29, 6:12 PM EDTAreal Flood AdvisoryMRX3 hr
May 29, 6:17 PM EDTSevere Thunderstorm WarningMRX28 min
Jun 4, 7:59 PM EDTSevere Thunderstorm WarningMRX33 min
Jun 4, 8:00 PM EDTTornado WatchSPC6 hr
Jun 4, 8:45 PM EDTSpecial Weather StatementMRX45 min
Jun 4, 10:45 PM EDTMesoscale DiscussionSPC2 hr
Jun 10, 3:24 PM EDTSevere Thunderstorm WatchSPC8 hr
Jun 10, 6:14 PM EDTMesoscale DiscussionSPC91 min
Jun 10, 6:15 PM EDTSevere Thunderstorm WarningMRX30 min
Jun 10, 6:42 PM EDTSevere Thunderstorm WarningMRX63 min
Jun 10, 7:35 PM EDTSevere Thunderstorm WarningMRX55 min
Jun 19, 3:08 PM EDTSevere Thunderstorm WarningMRX37 min
Jun 19, 3:35 PM EDTSevere Thunderstorm WarningMRX25 min
Jun 23, 6:00 PM EDTAreal Flood AdvisoryMRX2 hr
Jun 29, 6:12 PM EDTSpecial Weather StatementMRX63 min
Jul 8, 4:02 PM EDTMesoscale DiscussionSPC88 min
Jul 8, 4:16 PM EDTSpecial Weather StatementMRX59 min
Jul 8, 4:38 PM EDTSevere Thunderstorm WarningMRX67 min
Jul 14, 1:10 PM EDTMesoscale DiscussionSPC2 hr
Jul 14, 8:00 PM EDTSpecial Weather StatementMRX30 min
Jul 15, 12:09 AM EDTAreal Flood AdvisoryMRX2 hr
Jul 27, 1:00 PM EDTTornado WatchSPC11 hr
Jul 27, 3:14 PM EDTMesoscale DiscussionSPC2 hr
Jul 27, 5:25 PM EDTTornado WarningMRX50 min
Jul 27, 6:03 PM EDTTornado WarningMRX57 min
Jul 27, 7:28 PM EDTMesoscale DiscussionSPC92 min
Jul 27, 8:00 PM EDTTornado WatchSPC5 hr
Jul 27, 10:59 PM EDTSevere Thunderstorm WarningMRX46 min
Jul 27, 11:27 PM EDTSevere Thunderstorm WarningMRX33 min
Aug 20, 4:43 PM EDTSevere Thunderstorm WarningMRX62 min
Aug 20, 6:32 PM EDTMesoscale DiscussionSPC118 min
Aug 21, 6:37 PM EDTSpecial Weather StatementMRX83 min
Aug 22, 4:50 PM EDTMesoscale DiscussionSPC85 min
Aug 31, 2:25 PM EDTMesoscale DiscussionSPC2 hr
Aug 31, 4:57 PM EDTMesoscale DiscussionSPC2 hr
Sep 4, 5:24 PM EDTSpecial Weather StatementMRX51 min
Sep 21, 3:02 PM EDTMesoscale DiscussionSPC118 min
Oct 4, 3:31 AM EDTFreeze WatchMRX12 hr
Oct 4, 3:01 PM EDTFrost AdvisoryMRX19 hr
Oct 8, 3:01 AM EDTSpecial Weather StatementMRX59 min
Oct 12, 3:50 PM EDTHigh Wind WatchMRX20 hr
Oct 13, 11:34 AM EDTHigh Wind WarningMRX33 hr
Oct 13, 3:51 PM EDTFlood WatchMRX24 hr
Oct 14, 8:07 PM EDTWind AdvisoryMRX3 hr
Oct 19, 2:34 PM EDTFrost AdvisoryMRX18 hr
Oct 22, 3:21 AM EDTFrost AdvisoryMRX30 hr
Oct 30, 9:20 PM EDTWinter Weather AdvisoryMRX40 hr
Nov 22, 3:58 AM ESTHigh Wind WatchMRX24 hr
Nov 23, 3:48 AM ESTHigh Wind WarningMRX24 hr
Nov 24, 4:10 AM ESTWind AdvisoryMRX12 hr
Nov 26, 4:03 AM ESTWinter Weather AdvisoryMRX32 hr
Dec 23, 6:54 PM ESTWind AdvisoryMRX12 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 archive20132015

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.