Alert archive / Michigan / Mesoscale Discussions

Mesoscale Discussions in Michigan, 2012

96 mesoscale discussions in 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 2012. Tap one for its archive.

Mesoscale Discussions
96
Busiest month
July32 mesoscale discussions
Busiest day
May 3, 20126 mesoscale discussions

Over time

By month

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.

IssuedProductOfficeCountiesLasted
Jan 2, 2:33 AM ESTMesoscale DiscussionSPCAlger, Antrim, Charlevoix, Delta, Grand Traverse, Kalkaska and 3 more6 hr
Jan 2, 10:46 AM ESTMesoscale DiscussionSPCAntrim, Charlevoix, Grand Traverse, Kalkaska, Lake, Leelanau and 4 more4 hr
Jan 2, 6:24 PM ESTMesoscale DiscussionSPCAllegan, Cass, Saint Joseph, Van Buren3 hr
Jan 17, 8:44 AM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Cheboygan, Clare, Crawford and 15 more3 hr
Feb 11, 12:50 AM ESTMesoscale DiscussionSPCBerrien4 hr
Feb 28, 9:41 PM ESTMesoscale DiscussionSPCDelta, Dickinson, Gogebic, Iron, Menominee6 hr
Feb 29, 12:28 AM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 25 more6 hr
Mar 2, 5:04 PM ESTMesoscale DiscussionSPCAntrim, Cheboygan, Clare, Crawford, Grand Traverse, Kalkaska and 12 more4 hr
Mar 12, 12:03 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Van Buren57 min
Mar 12, 6:29 PM EDTMesoscale DiscussionSPCArenac, Bay, Branch, Calhoun, Clinton, Eaton and 18 more91 min
Mar 12, 8:43 PM EDTMesoscale DiscussionSPCGenesee, Hillsdale, Huron, Jackson, Lapeer, Lenawee and 8 more92 min
Mar 15, 3:19 AM EDTMesoscale DiscussionSPCMonroe86 min
Mar 15, 3:52 PM EDTMesoscale DiscussionSPCBay, Genesee, Hillsdale, Ingham, Jackson, Lapeer and 12 more83 min
Mar 15, 5:44 PM EDTMesoscale DiscussionSPCGenesee, Hillsdale, Ingham, Jackson, Lapeer, Lenawee and 10 more61 min
Mar 15, 8:02 PM EDTMesoscale DiscussionSPCGenesee, Hillsdale, Huron, Ingham, Jackson, Lapeer and 12 more58 min
May 2, 2:57 PM EDTMesoscale DiscussionSPCClinton, Eaton, Genesee, Gratiot, Ingham, Jackson and 13 more93 min
May 3, 12:51 AM EDTMesoscale DiscussionSPCManistee, Mason, Oceana54 min
May 3, 11:34 AM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Genesee, Gladwin and 28 more86 min
May 3, 2:39 PM EDTMesoscale DiscussionSPCAntrim, Arenac, Bay, Benzie, Clare, Crawford and 18 more66 min
May 3, 3:53 PM EDTMesoscale DiscussionSPCBerrien67 min
May 3, 4:33 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Calhoun, Cass, Clinton and 15 more57 min
May 3, 6:57 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 28 more63 min
May 3, 8:36 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Calhoun, Cass, Eaton and 18 more24 min
May 20, 11:52 AM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron113 min
May 20, 3:57 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Houghton, Iron, Marquette, Menominee2 hr
May 20, 8:07 PM EDTMesoscale DiscussionSPCLake, Muskegon, Newaygo, Oceana, Ottawa53 min
May 24, 7:33 AM EDTMesoscale DiscussionSPCIron57 min
May 24, 2:34 PM EDTMesoscale DiscussionSPCGogebic, Iron116 min
May 24, 6:41 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron2 hr
May 27, 3:38 PM EDTMesoscale DiscussionSPCBarry, Eaton, Ingham, Ionia, Jackson, Kent and 2 more67 min
May 28, 4:58 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Iron, Luce, Menominee, Schoolcraft92 min
May 28, 8:42 PM EDTMesoscale DiscussionSPCBarry, Calhoun, Clare, Clinton, Eaton, Gratiot and 9 more93 min
Jun 16, 11:30 PM EDTMesoscale DiscussionSPCBerrien, Cass, Saint Joseph90 min
Jun 18, 10:33 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Eaton, Genesee, Hillsdale, Ingham and 13 more2 hr
Jun 18, 12:40 PM EDTMesoscale DiscussionSPCDelta, Menominee2 hr
Jun 18, 1:38 PM EDTMesoscale DiscussionSPCMonroe67 min
Jun 18, 4:50 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet and 12 more85 min
Jun 19, 6:11 AM EDTMesoscale DiscussionSPCMenominee34 min
Jun 19, 10:00 AM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Benzie, Cheboygan, Crawford and 12 more60 min
Jun 19, 12:33 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Presque Isle57 min
Jun 20, 3:10 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Keweenaw, Marquette and 1 more95 min
Jun 21, 3:31 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Ingham, Jackson, Lenawee, Livingston and 4 more59 min
Jun 22, 12:28 PM EDTMesoscale DiscussionSPCAntrim, Arenac, Bay, Benzie, Charlevoix, Clare and 36 more92 min
Jun 28, 6:30 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Kalamazoo, Saint Joseph, Van Buren90 min
Jun 28, 8:53 PM EDTMesoscale DiscussionSPCMacomb, Monroe, Oakland, Saint Clair, Washtenaw, Wayne97 min
Jul 1, 5:19 PM EDTMesoscale DiscussionSPCLenawee, Monroe56 min
Jul 1, 6:47 PM EDTMesoscale DiscussionSPCMonroe58 min
Jul 2, 10:17 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 3 more118 min
Jul 3, 12:17 AM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more88 min
Jul 3, 3:24 AM EDTMesoscale DiscussionSPCAntrim, Bay, Benzie, Charlevoix, Cheboygan, Chippewa and 24 more96 min
Jul 3, 4:34 PM EDTMesoscale DiscussionSPCGenesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 4 more86 min
Jul 4, 3:59 PM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Genesee, Gladwin, Gratiot and 22 more91 min
Jul 4, 4:57 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Keweenaw, Ontonagon93 min
Jul 4, 6:36 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Luce and 4 more54 min
Jul 4, 7:08 PM EDTMesoscale DiscussionSPCMonroe, Wayne2 hr
Jul 4, 11:54 PM EDTMesoscale DiscussionSPCClare, Gratiot, Ionia, Isabella, Kent, Lake and 11 more96 min
Jul 5, 2:57 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 19 more63 min
Jul 5, 4:12 AM EDTMesoscale DiscussionSPCGenesee, Ingham, Jackson, Lenawee, Livingston, Macomb and 4 more93 min
Jul 5, 3:27 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Jackson, Lenawee, Monroe, Washtenaw and 1 more93 min
Jul 5, 5:58 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph92 min
Jul 6, 5:09 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Marquette and 1 more96 min
Jul 6, 10:33 PM EDTMesoscale DiscussionSPCAlger, Antrim, Benzie, Charlevoix, Delta, Dickinson and 10 more57 min
Jul 17, 5:55 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Clare, Clinton, Eaton and 21 more65 min
Jul 18, 7:56 PM EDTMesoscale DiscussionSPCBerrien94 min
Jul 18, 11:30 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Cass, Kalamazoo and 4 more60 min
Jul 24, 7:35 AM EDTMesoscale DiscussionSPCBerrien55 min
Jul 25, 6:24 AM EDTMesoscale DiscussionSPCGogebic66 min
Jul 25, 3:57 PM EDTMesoscale DiscussionSPCManistee, Mason, Muskegon, Oceana2 hr
Jul 25, 7:25 PM EDTMesoscale DiscussionSPCArenac, Bay, Benzie, Clare, Clinton, Genesee and 22 more95 min
Jul 25, 9:28 PM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Eaton, Genesee and 34 more92 min
Jul 26, 12:09 AM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Genesee, Gladwin and 26 more96 min
Jul 26, 2:40 AM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 41 more65 min
Jul 27, 5:15 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Monroe, Saint Joseph90 min
Jul 30, 1:26 PM EDTMesoscale DiscussionSPCAlger, Baraga, Benzie, Charlevoix, Delta, Dickinson and 7 more64 min
Jul 30, 4:49 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Iron, Marquette, Menominee and 1 more56 min
Jul 30, 7:16 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Delta, Emmet, Grand Traverse and 8 more59 min
Jul 31, 1:39 AM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Clinton, Eaton, Genesee and 11 more96 min
Aug 1, 2:07 PM EDTMesoscale DiscussionSPCGogebic, Iron23 min
Aug 4, 4:57 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more63 min
Aug 4, 7:23 PM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Eaton and 14 more2 hr
Aug 15, 9:20 PM EDTMesoscale DiscussionSPCGogebic85 min
Aug 16, 11:01 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Eaton, Hillsdale, Ingham, Jackson and 5 more89 min
Aug 16, 6:28 PM EDTMesoscale DiscussionSPCAlcona, Allegan, Alpena, Arenac, Barry, Bay and 33 more92 min
Sep 3, 1:43 PM EDTMesoscale DiscussionSPCAlger, Charlevoix, Chippewa, Delta, Dickinson, Luce and 3 more2 hr
Sep 4, 2:33 PM EDTMesoscale DiscussionSPCGogebic117 min
Sep 4, 7:39 PM EDTMesoscale DiscussionSPCGogebic, Ontonagon66 min
Sep 4, 9:30 PM EDTMesoscale DiscussionSPCGogebic, Ontonagon60 min
Sep 5, 1:51 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Bay, Genesee, Huron and 8 more114 min
Sep 5, 4:45 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Cheboygan, Chippewa and 14 more90 min
Sep 17, 2:30 PM EDTMesoscale DiscussionSPCAlpena, Clare, Crawford, Kalkaska, Lake, Mecosta and 13 more60 min
Oct 14, 3:11 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Van Buren2 hr
Oct 24, 7:38 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Keweenaw, Ontonagon2 hr
Oct 25, 9:48 AM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron27 min
Oct 25, 12:47 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Menominee58 min
Dec 20, 3:34 PM ESTMesoscale DiscussionSPCAntrim, Charlevoix, Cheboygan, Chippewa, Delta, Emmet and 7 more5 hr
Dec 26, 3:29 PM ESTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 13 more3 hr

By county

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

43 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 3, 20126mesoscale discussions
  2. July 5, 20125mesoscale discussions
  3. June 18, 20124mesoscale discussions
  4. July 3, 20124mesoscale discussions
  5. July 4, 20124mesoscale discussions
  6. January 2, 20123mesoscale discussions
  7. March 15, 20123mesoscale discussions
  8. May 24, 20123mesoscale discussions
  9. June 19, 20123mesoscale discussions
  10. July 25, 20123mesoscale discussions
  11. July 26, 20123mesoscale discussions
  12. July 30, 20123mesoscale discussions

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. Rebuilt daily.