Alert archive / Tennessee / Cheatham County

Weather alerts in Cheatham County, Tennessee, 2011

171 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cheatham County and its neighbors

Each county as a circle sized by its count in 2011. Tap one for its archive.

Alerts
171
Warnings
55
Watches
33
Advisories
30
Busiest month
April57 alerts
Busiest day
April 27, 201115 alerts

Over time

By month

Warning verification

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

3 of 7 tornado warnings covering Cheatham County in 2011 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 5 minutes after it went out.

Cheatham County, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings7357%1100%5 min
Severe thunderstorm warnings312229%7100%22 min
Flash flood warnings7443%10%

Each office's whole area, 2011

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Nashville, TN: tornado warnings1041784%4173%12 min
NWS Nashville, TN: severe thunderstorm warnings40019252%50869%21 min
NWS Nashville, TN: flash flood warnings461078%2365%151 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 8, 3:46 AM CSTWinter Storm WatchOHX30 hr
Jan 8, 9:08 PM CSTWinter Storm WarningOHX43 hr
Jan 10, 4:31 AM CSTWinter Weather AdvisoryOHX35 hr
Jan 19, 12:06 PM CSTWinter Weather AdvisoryOHX34 hr
Jan 25, 4:13 AM CSTWinter Storm WatchOHX9 hr
Jan 25, 1:14 PM CSTWinter Storm WarningOHX22 hr
Jan 26, 3:00 AM CSTWinter Weather AdvisoryOHX6 hr
Jan 31, 4:21 AM CSTWind AdvisoryOHX50 hr
Feb 4, 3:16 AM CSTWinter Weather AdvisoryOHX30 hr
Feb 6, 3:59 PM CSTWinter Weather AdvisoryOHX30 hr
Feb 7, 11:21 AM CSTWinter Storm WarningOHX7 hr
Feb 8, 3:16 PM CSTWinter Weather AdvisoryOHX32 hr
Feb 23, 3:52 AM CSTFlash Flood WatchOHX45 hr
Feb 24, 2:12 PM CSTMesoscale DiscussionSPC93 min
Feb 24, 5:26 PM CSTMesoscale DiscussionSPC94 min
Feb 24, 7:41 PM CSTTornado WatchSPC5 hr
Feb 24, 8:58 PM CSTSevere Thunderstorm WarningOHX63 min
Feb 24, 9:00 PM CSTTornado WarningOHX30 min
Feb 24, 9:30 PM CSTSevere Thunderstorm WarningOHX60 min
Feb 24, 9:34 PM CSTTornado WarningOHX26 min
Feb 27, 4:30 PM CSTTornado WarningOHX45 min
Feb 27, 4:31 PM CSTTornado WatchSPC3 hr
Feb 28, 1:33 AM CSTTornado WatchSPC7 hr
Feb 28, 5:47 AM CSTMesoscale DiscussionSPC28 min
Feb 28, 5:59 AM CSTTornado WatchSPC7 hr
Feb 28, 6:35 AM CSTSevere Thunderstorm WarningOHX25 min
Feb 28, 6:52 AM CSTFlash Flood WarningOHX5 hr
Feb 28, 7:00 AM CSTSevere Thunderstorm WarningOHX30 min
Feb 28, 7:33 AM CSTFlash Flood WarningOHX6 hr
Feb 28, 7:57 AM CSTFlash Flood WarningOHX6 hr
Feb 28, 11:50 AM CSTAreal Flood AdvisoryOHX3 hr
Mar 4, 4:00 AM CSTFlood WatchOHX36 hr
Mar 23, 1:40 PM CDTMesoscale DiscussionSPC65 min
Mar 23, 4:06 PM CDTTornado WatchSPC6 hr
Apr 2, 3:25 PM CDTWind AdvisoryOHX48 hr
Apr 4, 10:25 AM CDTMesoscale DiscussionSPC2 hr
Apr 4, 11:34 AM CDTTornado WatchSPC5 hr
Apr 4, 11:54 AM CDTSevere Thunderstorm WarningOHX51 min
Apr 4, 1:28 PM CDTSevere Thunderstorm WarningOHX62 min
Apr 4, 1:40 PM CDTTornado WarningOHX35 min
Apr 4, 1:45 PM CDTSevere Thunderstorm WarningOHX45 min
Apr 4, 1:47 PM CDTTornado WarningOHX28 min
Apr 4, 1:53 PM CDTTornado WarningOHX37 min
Apr 4, 1:55 PM CDTSevere Thunderstorm WarningOHX35 min
Apr 4, 1:56 PM CDTTornado WarningOHX34 min
Apr 11, 4:07 AM CDTWind AdvisoryOHX11 hr
Apr 11, 8:58 AM CDTMesoscale DiscussionSPC62 min
Apr 11, 10:31 AM CDTTornado WatchSPC6 hr
Apr 11, 10:41 AM CDTMesoscale DiscussionSPC64 min
Apr 11, 12:37 PM CDTMesoscale DiscussionSPC53 min
Apr 11, 4:23 PM CDTSevere Thunderstorm WarningOHX37 min
Apr 11, 4:58 PM CDTSevere Thunderstorm WarningOHX32 min
Apr 11, 5:51 PM CDTAreal Flood AdvisoryOHX3 hr
Apr 14, 4:03 PM CDTWind AdvisoryOHX35 hr
Apr 15, 4:21 AM CDTMesoscale DiscussionSPC84 min
Apr 15, 5:57 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 8:15 PM CDTMesoscale DiscussionSPC60 min
Apr 19, 3:59 AM CDTWind AdvisoryOHX15 hr
Apr 19, 9:39 PM CDTMesoscale DiscussionSPC66 min
Apr 19, 10:14 PM CDTTornado WatchSPC7 hr
Apr 19, 11:56 PM CDTMesoscale DiscussionSPC94 min
Apr 20, 12:46 AM CDTSevere Thunderstorm WarningOHX44 min
Apr 20, 12:49 AM CDTSevere Thunderstorm WarningOHX41 min
Apr 23, 1:04 PM CDTMesoscale DiscussionSPC86 min
Apr 24, 12:34 AM CDTSevere Thunderstorm WarningOHX26 min
Apr 24, 3:01 PM CDTMesoscale DiscussionSPC89 min
Apr 25, 4:43 AM CDTFlash Flood WatchOHX64 hr
Apr 25, 1:48 PM CDTMesoscale DiscussionSPC87 min
Apr 25, 2:29 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 25, 3:48 PM CDTRiver Flood WatchOHX70 hr
Apr 25, 11:05 PM CDTMesoscale DiscussionSPC115 min
Apr 25, 11:42 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 25, 11:46 PM CDTFlash Flood WatchOHX45 hr
Apr 26, 12:43 AM CDTSevere Thunderstorm WarningOHX32 min
Apr 26, 1:10 AM CDTSevere Thunderstorm WarningOHX35 min
Apr 26, 6:24 PM CDTWind AdvisoryOHX22 hr
Apr 26, 7:59 PM CDTMesoscale DiscussionSPC2 hr
Apr 26, 9:58 PM CDTTornado WatchSPC7 hr
Apr 26, 11:18 PM CDTSevere Thunderstorm WarningOHX42 min
Apr 26, 11:53 PM CDTSevere Thunderstorm WarningOHX55 min
Apr 27, 12:58 AM CDTAreal Flood WarningOHX20 hr
Apr 27, 2:18 AM CDTFlash Flood WarningOHX4 hr
Apr 27, 4:52 AM CDTFlash Flood WarningOHX3 hr
Apr 27, 5:02 AM CDTFlash Flood WarningOHX16 hr
Apr 27, 5:54 AM CDTRiver Flood WarningOHX27 hr
Apr 27, 12:03 PM CDTFlash Flood WarningOHX9 hr
Apr 27, 12:08 PM CDTMesoscale DiscussionSPC67 min
Apr 27, 12:23 PM CDTAreal Flood WarningOHX24 hr
Apr 27, 12:42 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 27, 3:06 PM CDTMesoscale DiscussionSPC54 min
Apr 27, 3:36 PM CDTTornado Watch PDSSPC8 hr
May 1, 3:40 AM CDTFlash Flood WatchOHX55 hr
May 1, 3:50 AM CDTMesoscale DiscussionSPC2 hr
May 2, 5:00 PM CDTMesoscale DiscussionSPC60 min
May 2, 7:24 PM CDTSevere Thunderstorm WarningOHX36 min
May 4, 1:43 AM CDTDense Fog AdvisoryOHX5 hr
May 4, 4:03 AM CDTFrost AdvisoryOHX27 hr
May 12, 2:51 PM CDTMesoscale DiscussionSPC114 min
May 13, 7:17 AM CDTSevere Thunderstorm WarningOHX43 min
May 13, 5:03 PM CDTMesoscale DiscussionSPC57 min
May 13, 5:54 PM CDTSevere Thunderstorm WatchSPC6 hr
May 13, 7:58 PM CDTMesoscale DiscussionSPC62 min
May 22, 1:18 PM CDTSevere Thunderstorm WatchSPC7 hr
May 23, 4:24 PM CDTMesoscale DiscussionSPC96 min
May 23, 4:57 PM CDTSevere Thunderstorm WatchSPC4 hr
May 23, 7:47 PM CDTMesoscale DiscussionSPC58 min
May 25, 11:02 AM CDTMesoscale DiscussionSPC28 min
May 25, 3:45 PM CDTMesoscale DiscussionSPC90 min
May 25, 8:33 PM CDTTornado WatchSPC7 hr
May 25, 9:55 PM CDTSevere Thunderstorm WarningOHX35 min
May 25, 10:27 PM CDTSevere Thunderstorm WarningOHX33 min
May 25, 11:00 PM CDTSevere Thunderstorm WarningOHX45 min
May 25, 11:38 PM CDTSevere Thunderstorm WarningOHX37 min
Jun 5, 10:47 AM CDTMesoscale DiscussionSPC88 min
Jun 5, 12:02 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 5, 2:55 PM CDTMesoscale DiscussionSPC65 min
Jun 6, 3:48 AM CDTDense Fog AdvisoryOHX4 hr
Jun 11, 12:48 PM CDTMesoscale DiscussionSPC87 min
Jun 15, 10:54 AM CDTMesoscale DiscussionSPC2 hr
Jun 15, 11:52 AM CDTSevere Thunderstorm WatchSPC9 hr
Jun 15, 11:59 AM CDTSevere Thunderstorm WarningOHX61 min
Jun 15, 2:27 PM CDTSevere Thunderstorm WarningOHX33 min
Jun 15, 2:57 PM CDTSevere Thunderstorm WarningOHX63 min
Jun 15, 3:34 PM CDTMesoscale DiscussionSPC116 min
Jun 15, 4:57 PM CDTSevere Thunderstorm WarningOHX48 min
Jun 19, 2:14 AM CDTMesoscale DiscussionSPC61 min
Jun 19, 7:51 AM CDTMesoscale DiscussionSPC114 min
Jun 19, 12:52 PM CDTTornado WatchSPC8 hr
Jun 19, 4:30 PM CDTMesoscale DiscussionSPC30 min
Jun 19, 5:01 PM CDTTornado WatchSPC5 hr
Jun 22, 11:57 AM CDTMesoscale DiscussionSPC2 hr
Jun 22, 3:43 PM CDTMesoscale DiscussionSPC92 min
Jun 23, 12:37 PM CDTTornado WatchSPC7 hr
Jun 23, 3:04 PM CDTMesoscale DiscussionSPC116 min
Jun 25, 2:59 PM CDTMesoscale DiscussionSPC91 min
Jun 26, 1:21 AM CDTMesoscale DiscussionSPC84 min
Jun 26, 4:14 AM CDTMesoscale DiscussionSPC91 min
Jun 27, 11:30 AM CDTMesoscale DiscussionSPC90 min
Jun 27, 12:01 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 27, 2:20 PM CDTMesoscale DiscussionSPC55 min
Jun 28, 3:17 AM CDTSevere Thunderstorm WarningOHX58 min
Jun 28, 4:17 AM CDTSevere Thunderstorm WatchSPC8 hr
Jul 4, 8:29 AM CDTSpecial Weather StatementOHX61 min
Jul 7, 11:46 AM CDTMesoscale DiscussionSPC89 min
Jul 10, 3:02 PM CDTHeat AdvisoryOHX52 hr
Jul 12, 12:18 PM CDTMesoscale DiscussionSPC87 min
Jul 12, 7:04 PM CDTMesoscale DiscussionSPC86 min
Jul 19, 3:11 PM CDTHeat AdvisoryOHX70 hr
Aug 2, 3:17 PM CDTHeat AdvisoryOHX44 hr
Aug 3, 12:26 PM CDTMesoscale DiscussionSPC64 min
Aug 3, 6:43 PM CDTMesoscale DiscussionSPC62 min
Aug 5, 10:03 AM CDTSpecial Weather StatementOHX27 min
Aug 18, 4:38 PM CDTSpecial Weather StatementOHX52 min
Aug 21, 2:25 AM CDTSevere Thunderstorm WarningOHX50 min
Aug 21, 4:39 AM CDTSevere Thunderstorm WarningOHX36 min
Sep 14, 7:43 PM CDTSevere Thunderstorm WarningOHX47 min
Oct 1, 2:13 PM CDTFrost AdvisoryOHX18 hr
Oct 2, 5:18 PM CDTFrost AdvisoryOHX15 hr
Oct 12, 5:04 AM CDTDense Fog AdvisoryOHX4 hr
Oct 20, 3:46 AM CDTFreeze WarningOHX24 hr
Oct 21, 3:39 AM CDTFrost AdvisoryOHX4 hr
Oct 21, 3:39 AM CDTFreeze WarningOHX28 hr
Oct 28, 3:16 PM CDTFreeze WarningOHX18 hr
Oct 28, 3:16 PM CDTFreeze WarningOHX42 hr
Oct 29, 1:13 AM CDTDense Fog AdvisoryOHX8 hr
Nov 5, 2:44 AM CDTDense Fog AdvisoryOHX7 hr
Nov 12, 3:28 PM CSTWind AdvisoryOHX26 hr
Nov 27, 3:57 AM CSTFlash Flood WatchOHX38 hr
Dec 2, 3:06 AM CSTFreezing Fog AdvisoryOHX6 hr
Dec 5, 2:42 PM CSTAreal Flood AdvisoryOHX6 hr
Dec 13, 11:39 PM CSTDense Fog AdvisoryOHX9 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 archive20102012

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.