Alert archive / Michigan / Mesoscale Discussions

Mesoscale Discussions in Michigan, 2003

124 mesoscale discussions in 2003. 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 2003. Tap one for its archive.

Mesoscale Discussions
124
Busiest month
July40 mesoscale discussions
Busiest day
July 7, 20037 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 12, 7:22 PM ESTMesoscale DiscussionSPCAlger, Antrim, Baraga, Benzie, Charlevoix, Cheboygan and 20 more6 hr
Feb 2, 9:06 PM ESTMesoscale DiscussionSPCAntrim, Benzie, Cheboygan, Grand Traverse, Kalkaska, Leelanau and 1 more9 hr
Feb 3, 6:33 PM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Benzie, Charlevoix, Cheboygan and 18 more8 hr
Feb 11, 12:13 PM ESTMesoscale DiscussionSPCAlger, Antrim, Baraga, Charlevoix, Cheboygan, Delta and 10 more5 hr
Feb 22, 10:34 AM ESTMesoscale DiscussionSPCBranch, Lapeer, Lenawee, Livingston, Macomb, Monroe and 2 more5 hr
Feb 22, 8:33 PM ESTMesoscale DiscussionSPCLenawee, Monroe, Wayne5 hr
Mar 4, 6:57 PM ESTMesoscale DiscussionSPCAllegan, Bay, Berrien, Branch, Cass, Gratiot and 17 more4 hr
Mar 12, 10:51 PM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 20 more7 hr
Mar 20, 5:54 PM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Cheboygan and 37 more2 hr
Mar 27, 3:36 PM ESTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more5 hr
Mar 28, 8:35 AM ESTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Kalamazoo and 1 more3 hr
Mar 28, 11:22 AM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Cass, Kalamazoo, Saint Joseph and 1 more113 min
Mar 28, 12:54 PM ESTMesoscale DiscussionSPCArenac, Barry, Bay, Branch, Calhoun, Clare and 30 more2 hr
Mar 28, 3:57 PM ESTMesoscale DiscussionSPCArenac, Barry, Bay, Branch, Calhoun, Clare and 28 more2 hr
Mar 28, 5:58 PM ESTMesoscale DiscussionSPCArenac, Bay, Calhoun, Clinton, Eaton, Genesee and 21 more92 min
Mar 28, 8:09 PM ESTMesoscale DiscussionSPCGenesee, Hillsdale, Huron, Ingham, Jackson, Lapeer and 12 more66 min
Apr 3, 1:41 PM ESTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Ontonagon3 hr
Apr 3, 11:43 PM ESTMesoscale DiscussionSPCBarry, Clinton, Eaton, Genesee, Ingham, Ionia and 7 more5 hr
Apr 4, 2:29 PM ESTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph91 min
Apr 14, 10:47 PM EDTMesoscale DiscussionSPCAlger, Chippewa, Delta, Dickinson, Gogebic, Iron and 4 more3 hr
Apr 15, 5:58 PM EDTMesoscale DiscussionSPCAlpena, Antrim, Arenac, Benzie, Cheboygan, Clare and 15 more92 min
Apr 20, 3:09 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Cass, Clinton and 26 more3 hr
Apr 20, 3:34 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Cass, Clinton and 26 more2 hr
Apr 30, 4:24 PM EDTMesoscale DiscussionSPCBerrien2 hr
Apr 30, 8:31 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph119 min
Apr 30, 9:48 PM EDTMesoscale DiscussionSPCLenawee, Monroe87 min
Apr 30, 11:31 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph89 min
May 1, 12:28 AM EDTMesoscale DiscussionSPCBarry, Calhoun, Clinton, Eaton, Genesee, Gratiot and 16 more92 min
May 5, 5:27 PM EDTMesoscale DiscussionSPCBranch, Calhoun, Clinton, Eaton, Genesee, Hillsdale and 14 more3 hr
May 7, 7:06 PM EDTMesoscale DiscussionSPCBranch, Cass, Hillsdale, Lenawee, Saint Joseph114 min
May 10, 11:40 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Branch, Calhoun, Cass and 25 more2 hr
May 11, 3:56 AM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Clare, Crawford and 22 more94 min
May 30, 10:04 PM EDTMesoscale DiscussionSPCCass, Saint Joseph86 min
May 31, 12:21 AM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph84 min
Jun 8, 10:53 AM EDTMesoscale DiscussionSPCLenawee, Macomb, Monroe, Oakland, Washtenaw, Wayne2 hr
Jun 8, 12:47 PM EDTMesoscale DiscussionSPCAntrim, Barry, Bay, Branch, Calhoun, Cheboygan and 29 more118 min
Jun 8, 3:43 PM EDTMesoscale DiscussionSPCAlpena, Arenac, Bay, Clinton, Crawford, Genesee and 17 more107 min
Jun 8, 6:04 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Bay, Calhoun, Clare and 32 more56 min
Jun 18, 5:54 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Cass, Clinton and 26 more96 min
Jun 24, 10:32 AM EDTMesoscale DiscussionSPCGogebic2 hr
Jun 25, 2:42 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Houghton, Iron, Marquette, Menominee2 hr
Jun 25, 6:14 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Iron, Marquette, Menominee91 min
Jun 25, 9:26 PM EDTMesoscale DiscussionSPCBerrien, Cass, Van Buren94 min
Jun 26, 12:20 PM EDTMesoscale DiscussionSPCGenesee, Huron, Jackson, Lapeer, Lenawee, Livingston and 8 more2 hr
Jun 28, 12:19 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 29 more2 hr
Jun 28, 3:18 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Calhoun, Clare and 31 more117 min
Jun 29, 2:47 PM EDTMesoscale DiscussionSPCBay, Clinton, Eaton, Genesee, Gratiot, Hillsdale and 17 more118 min
Jul 3, 1:27 PM EDTMesoscale DiscussionSPCAntrim, Cheboygan, Chippewa, Emmet, Montmorency, Otsego2 hr
Jul 4, 8:25 AM EDTMesoscale DiscussionSPCAllegan, Barry, Benzie, Cass, Kalamazoo, Kent and 12 more95 min
Jul 4, 10:28 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 20 more2 hr
Jul 4, 1:04 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 10 more116 min
Jul 4, 1:48 PM EDTMesoscale DiscussionSPCBerrien117 min
Jul 5, 6:43 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 8 more92 min
Jul 5, 8:12 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 4 more93 min
Jul 6, 1:36 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 6 more114 min
Jul 6, 3:00 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Cass, Van Buren2 hr
Jul 6, 6:28 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 21 more62 min
Jul 6, 9:46 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 32 more59 min
Jul 7, 9:30 AM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Calhoun, Cass, Hillsdale and 4 more60 min
Jul 7, 11:14 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 10 more61 min
Jul 7, 1:14 PM EDTMesoscale DiscussionSPCBranch, Calhoun, Eaton, Hillsdale, Ingham, Jackson and 6 more61 min
Jul 7, 1:54 PM EDTMesoscale DiscussionSPCDickinson, Iron66 min
Jul 7, 3:35 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Marquette, Menominee115 min
Jul 7, 5:42 PM EDTMesoscale DiscussionSPCChippewa, Luce, Mackinac, Schoolcraft3 hr
Jul 7, 10:13 PM EDTMesoscale DiscussionSPCBerrien62 min
Jul 8, 12:50 AM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph85 min
Jul 8, 12:57 AM EDTMesoscale DiscussionSPCMonroe63 min
Jul 8, 11:05 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 14 more25 min
Jul 8, 1:04 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 14 more56 min
Jul 13, 5:49 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Clare, Clinton, Crawford and 30 more116 min
Jul 15, 3:40 AM EDTMesoscale DiscussionSPCBerrien, Van Buren3 hr
Jul 20, 1:41 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Eaton, Hillsdale, Ingham and 6 more64 min
Jul 20, 2:16 PM EDTMesoscale DiscussionSPCAlger, Baraga, Dickinson, Gogebic, Houghton, Iron and 3 more119 min
Jul 20, 4:27 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 4 more63 min
Jul 20, 4:37 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Bay, Crawford, Genesee and 21 more113 min
Jul 20, 7:23 PM EDTMesoscale DiscussionSPCBerrien, Cass, Saint Joseph, Van Buren97 min
Jul 20, 7:47 PM EDTMesoscale DiscussionSPCBaraga, Delta, Dickinson, Gogebic, Houghton, Iron and 3 more88 min
Jul 20, 10:39 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 12 more66 min
Jul 21, 10:59 AM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Clare, Clinton, Eaton and 21 more2 hr
Jul 21, 4:26 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more94 min
Jul 26, 6:25 AM EDTMesoscale DiscussionSPCMenominee2 hr
Jul 26, 3:16 PM EDTMesoscale DiscussionSPCGogebic, Ontonagon2 hr
Jul 26, 6:46 PM EDTMesoscale DiscussionSPCBaraga, Delta, Dickinson, Gogebic, Iron, Marquette and 1 more89 min
Jul 26, 8:46 PM EDTMesoscale DiscussionSPCBaraga, Delta, Dickinson, Gogebic, Houghton, Iron and 3 more89 min
Jul 26, 10:07 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Marquette53 min
Jul 27, 3:29 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph91 min
Jul 30, 3:06 PM EDTMesoscale DiscussionSPCIron114 min
Aug 1, 12:22 PM EDTMesoscale DiscussionSPCBay, Calhoun, Genesee, Hillsdale, Ingham, Jackson and 7 more113 min
Aug 1, 2:45 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Monroe, Oakland, Saint Joseph and 1 more60 min
Aug 1, 7:34 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 4 more86 min
Aug 1, 9:55 PM EDTMesoscale DiscussionSPCAntrim, Barry, Branch, Calhoun, Clare, Clinton and 23 more95 min
Aug 3, 7:15 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Gratiot and 11 more105 min
Aug 16, 1:24 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 14 more2 hr
Aug 16, 6:53 PM EDTMesoscale DiscussionSPCHillsdale, Lenawee, Monroe, Washtenaw97 min
Aug 16, 7:14 PM EDTMesoscale DiscussionSPCBerrien, Cass, Saint Joseph, Van Buren91 min
Aug 19, 1:41 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 1 more64 min
Aug 20, 3:11 PM EDTMesoscale DiscussionSPCGogebic, Iron2 hr
Aug 20, 8:22 PM EDTMesoscale DiscussionSPCGogebic, Iron, Ontonagon113 min
Aug 21, 5:29 AM EDTMesoscale DiscussionSPCAntrim, Arenac, Barry, Bay, Calhoun, Cheboygan and 26 more3 hr
Aug 21, 1:07 PM EDTMesoscale DiscussionSPCAlger, Antrim, Benzie, Charlevoix, Cheboygan, Chippewa and 34 more113 min
Aug 21, 3:49 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 31 more86 min
Aug 21, 6:20 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 31 more55 min
Aug 25, 6:41 PM EDTMesoscale DiscussionSPCAlpena, Antrim, Charlevoix, Cheboygan, Chippewa, Crawford and 14 more94 min
Aug 25, 7:43 PM EDTMesoscale DiscussionSPCAllegan, Barry, Calhoun, Eaton, Kalamazoo, Kent and 2 more2 hr
Aug 25, 11:02 PM EDTMesoscale DiscussionSPCGogebic58 min
Aug 26, 12:27 AM EDTMesoscale DiscussionSPCMonroe, Wayne63 min
Aug 26, 2:35 AM EDTMesoscale DiscussionSPCClare, Gladwin, Isabella, Lake, Mecosta, Midland and 3 more85 min
Aug 26, 3:49 AM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Clinton and 12 more116 min
Aug 26, 5:41 AM EDTMesoscale DiscussionSPCAntrim, Cheboygan, Crawford, Emmet, Montmorency, Oscoda and 1 more94 min
Aug 26, 7:47 AM EDTMesoscale DiscussionSPCAlpena, Crawford, Montmorency, Oscoda, Presque Isle58 min
Aug 27, 4:57 AM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Monroe, Saint Joseph93 min
Aug 28, 8:22 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Cheboygan, Crawford, Emmet and 10 more83 min
Aug 29, 12:09 AM EDTMesoscale DiscussionSPCCrawford, Grand Traverse, Kalkaska66 min
Aug 29, 4:31 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 14 more119 min
Sep 15, 12:46 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 21 more89 min
Sep 24, 12:34 PM EDTMesoscale DiscussionSPCAntrim, Cheboygan, Clare, Crawford, Emmet, Grand Traverse and 11 more116 min
Sep 24, 1:41 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Cass, Kalamazoo, Saint Joseph and 1 more2 hr
Sep 24, 3:58 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 14 more62 min
Sep 24, 6:37 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 23 more83 min
Sep 24, 8:42 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more63 min
Nov 12, 12:45 PM ESTMesoscale DiscussionSPCBranch, Calhoun, Eaton, Genesee, Hillsdale, Ingham and 14 more3 hr
Nov 12, 3:26 PM ESTMesoscale DiscussionSPCGenesee, Hillsdale, Jackson, Lenawee, Livingston, Macomb and 4 more2 hr
Nov 12, 6:13 PM ESTMesoscale DiscussionSPCMonroe2 hr
Dec 10, 6:49 AM ESTMesoscale DiscussionSPCDickinson, Menominee4 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. July 7, 20037mesoscale discussions
  2. July 20, 20036mesoscale discussions
  3. August 26, 20036mesoscale discussions
  4. March 28, 20035mesoscale discussions
  5. July 8, 20035mesoscale discussions
  6. August 21, 20035mesoscale discussions
  7. May 1, 20034mesoscale discussions
  8. June 8, 20034mesoscale discussions
  9. July 4, 20034mesoscale discussions
  10. September 24, 20034mesoscale discussions
  11. July 6, 20033mesoscale discussions
  12. July 21, 20033mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20022004

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.