Alert archive / Tennessee / Hardin County

Weather alerts in Hardin County, Tennessee, 2009

170 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Hardin County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Alerts
170
Warnings
52
Watches
38
Advisories
47
Busiest month
May33 alerts
Busiest day
April 10, 200911 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 5 tornado warnings covering Hardin County in 2009 had a tornado report inside them.

Hardin County, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings50100%0
Severe thunderstorm warnings19953%580%37 min
Flash flood warnings19858%3100%67 min

Each office's whole area, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Memphis, TN: tornado warnings691972%5165%19 min
NWS Memphis, TN: severe thunderstorm warnings43920753%42382%24 min
NWS Memphis, TN: flash flood warnings23512646%20492%94 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 5, 8:50 AM CSTWinter Weather AdvisoryMEG7 hr
Jan 8, 2:54 PM CSTRiver Flood AdvisoryOHX8 days
Jan 15, 4:48 AM CSTWind Chill AdvisoryMEG28 hr
Jan 26, 4:19 AM CSTFreezing Rain AdvisoryMEG48 hr
Jan 28, 4:32 AM CSTWinter Weather AdvisoryMEG5 hr
Feb 10, 3:31 AM CSTWind AdvisoryMEG39 hr
Feb 17, 9:45 PM CSTMesoscale DiscussionSPC2 hr
Feb 27, 9:33 PM CSTWinter Storm WatchMEG6 hr
Feb 28, 3:59 AM CSTWinter Storm WarningMEG28 hr
Feb 28, 3:57 PM CSTMesoscale DiscussionSPC4 hr
Mar 8, 3:41 AM CDTWind AdvisoryMEG15 hr
Mar 15, 3:56 AM CDTDense Fog AdvisoryMEG6 hr
Mar 16, 9:39 PM CDTDense Fog AdvisoryMEG12 hr
Mar 17, 11:27 PM CDTDense Fog AdvisoryMEG10 hr
Mar 27, 3:11 PM CDTFlash Flood WatchMEG14 hr
Mar 29, 4:41 AM CDTFrost AdvisoryMEG28 hr
Apr 2, 10:53 AM CDTTornado WatchSPC4 hr
Apr 2, 2:34 PM CDTFlash Flood WarningMEG3 hr
Apr 2, 3:05 PM CDTWind AdvisoryMEG10 hr
Apr 2, 6:21 PM CDTTornado WatchSPC3 hr
Apr 5, 4:05 AM CDTFreeze WatchMEG24 hr
Apr 5, 4:05 AM CDTWind AdvisoryMEG24 hr
Apr 6, 3:52 AM CDTFreeze WarningMEG27 hr
Apr 7, 3:58 AM CDTFreeze WarningMEG27 hr
Apr 10, 1:22 AM CDTSevere Thunderstorm WatchSPC4 hr
Apr 10, 1:24 AM CDTMesoscale DiscussionSPC96 min
Apr 10, 8:22 AM CDTMesoscale DiscussionSPC83 min
Apr 10, 8:53 AM CDTTornado WatchSPC7 hr
Apr 10, 10:36 AM CDTSevere Thunderstorm WarningMEG54 min
Apr 10, 11:12 AM CDTTornado WarningMEG33 min
Apr 10, 11:14 AM CDTMesoscale DiscussionSPC76 min
Apr 10, 11:19 AM CDTTornado WarningMEG41 min
Apr 10, 11:40 AM CDTSevere Thunderstorm WarningMEG50 min
Apr 10, 11:47 AM CDTTornado WarningMEG43 min
Apr 10, 1:13 PM CDTWind AdvisoryMEG6 hr
Apr 13, 12:09 PM CDTMesoscale DiscussionSPC66 min
Apr 19, 1:17 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 19, 2:22 PM CDTMesoscale DiscussionSPC53 min
Apr 19, 3:49 PM CDTMesoscale DiscussionSPC56 min
Apr 19, 5:47 PM CDTMesoscale DiscussionSPC58 min
May 1, 1:18 PM CDTMesoscale DiscussionSPC87 min
May 1, 2:23 PM CDTSevere Thunderstorm WatchSPC5 hr
May 1, 3:08 PM CDTSevere Thunderstorm WarningMEG19 min
May 1, 3:36 PM CDTSevere Thunderstorm WatchSPC6 hr
May 1, 3:40 PM CDTFlash Flood WatchMEG55 hr
May 1, 3:48 PM CDTMesoscale DiscussionSPC87 min
May 1, 6:41 PM CDTMesoscale DiscussionSPC64 min
May 1, 6:48 PM CDTSevere Thunderstorm WarningMEG42 min
May 1, 7:26 PM CDTSevere Thunderstorm WarningMEG64 min
May 1, 7:51 PM CDTAreal Flood AdvisoryMEG54 min
May 1, 8:14 PM CDTSevere Thunderstorm WarningMEG46 min
May 1, 8:36 PM CDTFlash Flood WarningMEG3 hr
May 2, 2:38 PM CDTMesoscale DiscussionSPC97 min
May 2, 8:56 PM CDTRiver Flood AdvisoryOHX3 days
May 3, 6:47 PM CDTFlash Flood WarningMEG4 hr
May 5, 4:13 AM CDTFlash Flood WatchMEG35 hr
May 5, 2:04 PM CDTRiver Flood WarningOHX4 days
May 5, 10:27 PM CDTSevere Thunderstorm WatchSPC8 hr
May 6, 2:26 AM CDTMesoscale DiscussionSPC2 hr
May 6, 4:06 AM CDTFlash Flood WarningMEG6 hr
May 6, 5:03 AM CDTSevere Thunderstorm WarningMEG42 min
May 6, 5:32 AM CDTSevere Thunderstorm WarningMEG43 min
May 6, 5:45 AM CDTSevere Thunderstorm WatchSPC7 hr
May 8, 8:37 AM CDTMesoscale DiscussionSPC53 min
May 8, 8:29 PM CDTFlash Flood WatchMEG47 hr
May 9, 2:22 AM CDTMesoscale DiscussionSPC53 min
May 9, 6:28 PM CDTRiver Flood AdvisoryOHX36 hr
May 11, 11:02 AM CDTRiver Flood AdvisoryOHX5 days
May 15, 4:03 PM CDTFlash Flood WatchMEG27 hr
May 16, 8:51 AM CDTRiver Flood AdvisoryOHX22 hr
May 16, 12:39 PM CDTSevere Thunderstorm WarningMEG51 min
May 16, 1:04 PM CDTMesoscale DiscussionSPC56 min
May 27, 9:10 PM CDTSevere Thunderstorm WarningMEG31 min
Jun 10, 1:12 AM CDTMesoscale DiscussionSPC33 min
Jun 10, 9:04 AM CDTMesoscale DiscussionSPC86 min
Jun 11, 2:38 AM CDTMesoscale DiscussionSPC67 min
Jun 12, 11:35 AM CDTSevere Thunderstorm Watch PDSSPC9 hr
Jun 12, 5:24 PM CDTMesoscale DiscussionSPC96 min
Jun 12, 5:53 PM CDTSevere Thunderstorm WarningMEG52 min
Jun 12, 6:41 PM CDTSevere Thunderstorm WarningMEG49 min
Jun 15, 10:34 AM CDTSevere Thunderstorm WatchSPC7 hr
Jun 15, 1:56 PM CDTMesoscale DiscussionSPC64 min
Jun 15, 2:48 PM CDTTornado WatchSPC3 hr
Jun 15, 3:52 PM CDTMesoscale DiscussionSPC53 min
Jun 15, 4:10 PM CDTTornado WarningMEG50 min
Jun 15, 4:57 PM CDTMesoscale DiscussionSPC63 min
Jun 15, 5:00 PM CDTTornado WarningMEG15 min
Jun 15, 5:35 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 15, 6:27 PM CDTFlash Flood WarningMEG2 hr
Jun 15, 6:55 PM CDTSevere Thunderstorm WarningMEG20 min
Jun 15, 6:58 PM CDTSevere Thunderstorm WarningMEG62 min
Jun 15, 7:24 PM CDTFlash Flood WarningMEG86 min
Jun 16, 9:38 AM CDTMesoscale DiscussionSPC67 min
Jun 17, 3:12 PM CDTHeat AdvisoryMEG5 days
Jun 23, 3:26 AM CDTHeat AdvisoryMEG16 hr
Jun 26, 3:17 AM CDTHeat AdvisoryMEG61 hr
Jul 4, 5:27 PM CDTMesoscale DiscussionSPC63 min
Jul 5, 2:58 AM CDTFlash Flood WarningMEG63 min
Jul 13, 2:27 AM CDTSevere Thunderstorm WarningMEG63 min
Jul 15, 6:03 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 15, 7:49 PM CDTMesoscale DiscussionSPC56 min
Jul 15, 8:16 PM CDTSevere Thunderstorm WarningMEG23 min
Jul 15, 8:25 PM CDTSevere Thunderstorm WarningMEG65 min
Jul 16, 7:52 AM CDTAreal Flood AdvisoryMEG2 hr
Jul 21, 10:06 AM CDTFlash Flood WatchMEG17 hr
Jul 23, 3:17 AM CDTDense Fog AdvisoryMEG6 hr
Jul 28, 3:32 AM CDTFlash Flood WatchMEG15 hr
Jul 29, 3:13 PM CDTFlash Flood WatchMEG37 hr
Jul 30, 3:42 PM CDTSevere Thunderstorm WatchSPC3 hr
Jul 30, 4:10 PM CDTTornado WatchSPC6 hr
Jul 30, 5:01 PM CDTMesoscale DiscussionSPC59 min
Jul 30, 6:12 PM CDTFlash Flood WarningMEG3 hr
Jul 30, 6:29 PM CDTMesoscale DiscussionSPC61 min
Jul 30, 7:05 PM CDTSevere Thunderstorm WarningMEG70 min
Jul 30, 7:42 PM CDTMesoscale DiscussionSPC63 min
Aug 1, 7:33 AM CDTFlash Flood WatchMEG14 hr
Aug 1, 1:44 PM CDTAreal Flood AdvisoryMEG2 hr
Aug 1, 1:53 PM CDTFlash Flood WarningMEG3 hr
Aug 1, 3:44 PM CDTAreal Flood AdvisoryMEG2 hr
Aug 4, 6:21 PM CDTMesoscale DiscussionSPC114 min
Aug 4, 6:34 PM CDTSevere Thunderstorm WatchSPC4 hr
Aug 4, 8:35 PM CDTMesoscale DiscussionSPC85 min
Aug 4, 11:11 PM CDTSevere Thunderstorm WatchSPC4 hr
Aug 5, 11:40 PM CDTDense Fog AdvisoryMEG9 hr
Aug 11, 8:04 AM CDTFlash Flood WarningMEG3 hr
Aug 11, 3:05 PM CDTSevere Thunderstorm WarningMEG40 min
Aug 12, 3:32 AM CDTDense Fog AdvisoryMEG4 hr
Sep 3, 6:02 AM CDTDense Fog AdvisoryMEG3 hr
Sep 8, 2:46 PM CDTAreal Flood AdvisoryMEG43 min
Sep 15, 4:15 AM CDTFlash Flood WatchMEG4 days
Sep 16, 3:52 PM CDTFlash Flood WarningMEG3 hr
Sep 16, 5:39 PM CDTFlash Flood WarningMEG2 hr
Sep 17, 9:14 AM CDTFlash Flood WarningMEG3 hr
Sep 18, 7:41 AM CDTFlash Flood WarningMEG3 hr
Sep 20, 11:14 AM CDTFlash Flood WatchMEG8 hr
Sep 20, 2:17 PM CDTAreal Flood AdvisoryMEG118 min
Sep 20, 2:39 PM CDTFlash Flood WarningMEG4 hr
Sep 21, 9:58 PM CDTFlash Flood WatchMEG26 hr
Sep 22, 6:32 PM CDTAreal Flood AdvisoryMEG118 min
Sep 22, 8:17 PM CDTFlash Flood WarningMEG3 hr
Sep 22, 11:05 PM CDTAreal Flood WarningMEG8 hr
Sep 25, 11:42 AM CDTFlash Flood WarningMEG3 hr
Sep 26, 7:36 AM CDTFlash Flood WarningMEG3 hr
Sep 26, 3:30 PM CDTDense Fog AdvisoryMEG16 hr
Oct 7, 3:50 PM CDTFlash Flood WatchMEG48 hr
Oct 9, 12:08 PM CDTMesoscale DiscussionSPC67 min
Oct 15, 3:30 AM CDTDense Fog AdvisoryMEG3 hr
Oct 16, 8:58 PM CDTFreeze WatchMEG19 hr
Oct 17, 3:40 PM CDTFrost AdvisoryMEG17 hr
Oct 18, 3:56 AM CDTFrost AdvisoryMEG29 hr
Oct 18, 3:33 PM CDTFreeze WarningMEG17 hr
Oct 24, 3:58 AM CDTFrost AdvisoryMEG17 hr
Nov 1, 3:25 AM CSTFrost AdvisoryMEG29 hr
Nov 2, 3:23 AM CSTFreeze WatchMEG36 hr
Nov 3, 3:43 PM CSTFreeze WarningMEG16 hr
Nov 5, 3:26 PM CSTFreeze WarningMEG16 hr
Nov 7, 12:30 PM CSTRed Flag WarningOHX6 hr
Nov 29, 10:43 PM CSTAreal Flood AdvisoryMEG2 hr
Nov 30, 12:44 AM CSTAreal Flood AdvisoryMEG91 min
Dec 8, 2:34 PM CSTFlash Flood WarningMEG4 hr
Dec 8, 3:31 PM CSTFlash Flood WatchMEG8 hr
Dec 8, 5:48 PM CSTTornado WatchSPC6 hr
Dec 9, 5:53 AM CSTWind AdvisoryMEG6 hr
Dec 12, 10:19 PM CSTRiver Flood AdvisoryOHX36 hr
Dec 14, 10:15 AM CSTRiver Flood AdvisoryOHX6 days
Dec 21, 9:05 PM CSTFreezing Fog AdvisoryMEG11 hr
Dec 22, 2:46 PM CSTRiver Flood AdvisoryOHX56 hr
Dec 23, 3:32 PM CSTHigh Wind WatchMEG24 hr
Dec 23, 3:32 PM CSTWind AdvisoryMEG44 hr
Dec 24, 6:53 PM CSTAreal Flood AdvisoryMEG4 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 archive20082010

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.