Alert archive / Tennessee / Mesoscale Discussions / 2012

Mesoscale Discussions in Tennessee, September 2012

20 mesoscale discussions in September 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in September 2012. Tap one for its archive.

Mesoscale Discussions
20
Busiest day
September 2, 20125 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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.

IssuedProductOfficeCountiesLasted
Aug 31, 9:05 PM CDTMesoscale DiscussionSPCDyer, Lake, Lauderdale, Obion55 min
Sep 1, 5:43 PM CDTMesoscale DiscussionSPCDyer, Lake, Lauderdale, Obion, Shelby, Tipton92 min
Sep 1, 7:56 PM CDTMesoscale DiscussionSPCCarroll, Henry, Weakley94 min
Sep 1, 9:59 PM CDTMesoscale DiscussionSPCChester, Decatur, Hardeman, Henderson, McNairy91 min
Sep 2, 2:20 PM CDTMesoscale DiscussionSPCBedford, Cannon, Cheatham, Chester, Clay, Davidson and 32 more115 min
Sep 2, 5:13 PM CDTMesoscale DiscussionSPCBradley, Hamilton, Loudon, McMinn, Meigs, Monroe and 2 more62 min
Sep 2, 6:35 PM CDTMesoscale DiscussionSPCBedford, Cannon, Clay, Coffee, Davidson, DeKalb and 23 more85 min
Sep 2, 7:13 PM CDTMesoscale DiscussionSPCFayette, Giles, Hardeman, Hardin, Lawrence, McNairy and 2 more62 min
Sep 2, 8:43 PM CDTMesoscale DiscussionSPCBledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 4 more62 min
Sep 5, 2:13 PM CDTMesoscale DiscussionSPCCarroll, Crockett, Dyer, Gibson, Haywood, Henderson and 6 more2 hr
Sep 5, 5:31 PM CDTMesoscale DiscussionSPCBenton, Carroll, Cheatham, Chester, Clay, Crockett and 35 more89 min
Sep 6, 3:37 PM CDTMesoscale DiscussionSPCLake, Obion83 min
Sep 6, 6:29 PM CDTMesoscale DiscussionSPCHenry, Lake, Montgomery, Obion, Stewart, Weakley91 min
Sep 7, 3:44 PM CDTMesoscale DiscussionSPCDyer, Lake, Lauderdale, Obion, Weakley2 hr
Sep 7, 8:24 PM CDTMesoscale DiscussionSPCBenton, Carroll, Cheatham, Chester, Crockett, Decatur and 24 more96 min
Sep 7, 11:36 PM CDTMesoscale DiscussionSPCBedford, Cannon, Cheatham, Clay, Coffee, Davidson and 28 more84 min
Sep 17, 3:53 PM CDTMesoscale DiscussionSPCBledsoe, Bradley, Coffee, Franklin, Grundy, Hamilton and 10 more97 min
Sep 17, 7:14 PM CDTMesoscale DiscussionSPCBlount, Bradley, Hamilton, Knox, Loudon, McMinn and 5 more2 hr
Sep 26, 1:26 PM CDTMesoscale DiscussionSPCDyer, Lake, Obion94 min
Sep 28, 1:36 PM CDTMesoscale DiscussionSPCCarter, Cocke, Greene, Unicoi, Washington114 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

41 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20112013

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.