Alert archive / Michigan / Mesoscale Discussions

Mesoscale Discussions in Michigan, 2004

144 mesoscale discussions in 2004. 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 2004. Tap one for its archive.

Mesoscale Discussions
144
Busiest month
May46 mesoscale discussions
Busiest day
May 9, 20046 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 4, 10:27 AM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more4 hr
Jan 27, 3:08 AM ESTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 15 more5 hr
Mar 1, 5:56 PM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 8 more2 hr
Mar 1, 7:40 PM ESTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 13 more2 hr
Mar 5, 3:02 AM ESTMesoscale DiscussionSPCDelta, Dickinson, Iron, Menominee, Schoolcraft4 hr
Mar 30, 11:33 AM ESTMesoscale DiscussionSPCAllegan, Berrien, Branch, Cass, Kalamazoo, Saint Joseph and 1 more117 min
Apr 18, 2:49 AM EDTMesoscale DiscussionSPCBenzie, Grand Traverse, Manistee, Mason, Wexford56 min
Apr 18, 9:04 AM EDTMesoscale DiscussionSPCGogebic, Iron, Ontonagon86 min
Apr 18, 12:26 PM EDTMesoscale DiscussionSPCAlger, Dickinson, Marquette, Schoolcraft3 hr
Apr 18, 9:28 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Luce and 4 more92 min
Apr 20, 9:55 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph, Van Buren65 min
Apr 21, 2:16 PM EDTMesoscale DiscussionSPCBay, Branch, Clinton, Genesee, Hillsdale, Ingham and 14 more2 hr
Apr 28, 11:12 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more2 hr
May 6, 10:36 AM EDTMesoscale DiscussionSPCAlpena, Antrim, Arenac, Bay, Cheboygan, Clare and 21 more114 min
May 6, 2:22 PM EDTMesoscale DiscussionSPCBay, Clinton, Genesee, Gratiot, Ionia, Isabella and 11 more83 min
May 6, 9:37 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Monroe, Saint Joseph83 min
May 8, 5:00 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph3 hr
May 8, 6:08 PM EDTMesoscale DiscussionSPCBay, Clinton, Eaton, Genesee, Gratiot, Ingham and 16 more2 hr
May 8, 9:46 PM EDTMesoscale DiscussionSPCClinton, Eaton, Genesee, Gratiot, Ingham, Ionia and 8 more119 min
May 8, 10:55 PM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Eaton and 15 more2 hr
May 9, 10:35 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 8 more55 min
May 9, 12:48 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 33 more2 hr
May 9, 3:46 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 35 more89 min
May 9, 6:17 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 33 more88 min
May 9, 9:09 PM EDTMesoscale DiscussionSPCGogebic2 hr
May 9, 10:04 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Monroe56 min
May 10, 7:05 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 24 more115 min
May 11, 1:04 PM EDTMesoscale DiscussionSPCBranch, Cass, Saint Joseph2 hr
May 12, 3:22 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Iron, Ontonagon83 min
May 12, 4:37 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Ontonagon83 min
May 12, 6:22 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Houghton, Iron and 2 more53 min
May 14, 12:38 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 29 more2 hr
May 14, 3:52 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Branch, Calhoun, Cass and 27 more113 min
May 14, 6:56 PM EDTMesoscale DiscussionSPCHuron, Lapeer, Macomb, Monroe, Oakland, Sanilac and 1 more64 min
May 17, 11:22 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 26 more2 hr
May 17, 1:41 PM EDTMesoscale DiscussionSPCMenominee3 hr
May 17, 4:05 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Barry, Bay and 44 more85 min
May 17, 5:46 PM EDTMesoscale DiscussionSPCArenac, Bay, Clinton, Genesee, Gladwin, Gratiot and 19 more89 min
May 18, 12:37 AM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Clare, Clinton and 18 more23 min
May 18, 1:41 AM EDTMesoscale DiscussionSPCBarry, Berrien, Branch, Calhoun, Cass, Eaton and 6 more2 hr
May 20, 6:11 AM EDTMesoscale DiscussionSPCBarry, Ionia, Kent, Mecosta, Montcalm, Newaygo2 hr
May 20, 6:25 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Clinton, Eaton and 23 more95 min
May 21, 10:40 AM EDTMesoscale DiscussionSPCAllegan, Antrim, Arenac, Barry, Bay, Berrien and 49 more2 hr
May 21, 2:19 PM EDTMesoscale DiscussionSPCMacomb, Monroe, Wayne116 min
May 22, 2:48 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 10 more57 min
May 22, 2:09 PM EDTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clinton, Eaton, Genesee and 18 more66 min
May 22, 6:29 PM EDTMesoscale DiscussionSPCMonroe91 min
May 23, 10:45 AM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 6 more2 hr
May 23, 1:35 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 19 more115 min
May 23, 3:53 PM EDTMesoscale DiscussionSPCBarry, Berrien, Branch, Calhoun, Cass, Eaton and 10 more67 min
May 23, 7:30 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 18 more2 hr
May 23, 9:40 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 18 more65 min
May 24, 12:26 AM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Clinton and 18 more64 min
May 24, 2:09 AM EDTMesoscale DiscussionSPCClinton, Eaton, Genesee, Gratiot, Hillsdale, Ingham and 11 more2 hr
May 30, 12:04 PM EDTMesoscale DiscussionSPCBerrien116 min
May 30, 3:27 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 16 more93 min
May 30, 8:18 PM EDTMesoscale DiscussionSPCAllegan, Barry, Clinton, Eaton, Ingham, Ionia and 12 more87 min
May 31, 1:50 PM EDTMesoscale DiscussionSPCAllegan, Antrim, Arenac, Barry, Bay, Benzie and 43 more55 min
May 31, 4:49 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Charlevoix and 42 more56 min
Jun 9, 11:21 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 27 more114 min
Jun 9, 2:51 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 22 more84 min
Jun 9, 5:27 PM EDTMesoscale DiscussionSPCBay, Branch, Calhoun, Clinton, Eaton, Genesee and 22 more63 min
Jun 11, 1:07 AM EDTMesoscale DiscussionSPCBerrien, Cass, Saint Joseph83 min
Jun 12, 2:48 AM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Cass, Kalamazoo, Saint Joseph and 1 more87 min
Jun 12, 4:08 AM EDTMesoscale DiscussionSPCBerrien97 min
Jun 13, 8:29 AM EDTMesoscale DiscussionSPCDickinson, Iron91 min
Jun 13, 12:45 PM EDTMesoscale DiscussionSPCAlger, Allegan, Antrim, Arenac, Barry, Bay and 57 more90 min
Jun 13, 3:01 PM EDTMesoscale DiscussionSPCAlcona, Allegan, Alpena, Antrim, Arenac, Barry and 55 more89 min
Jun 13, 4:29 PM EDTMesoscale DiscussionSPCGogebic, Iron2 hr
Jun 13, 8:30 PM EDTMesoscale DiscussionSPCMonroe90 min
Jun 14, 10:06 AM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 7 more54 min
Jun 14, 11:22 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 9 more53 min
Jun 14, 11:51 AM EDTMesoscale DiscussionSPCArenac, Bay, Cheboygan, Clare, Crawford, Genesee and 21 more84 min
Jun 14, 1:29 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Barry, Bay and 52 more91 min
Jun 14, 4:28 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 31 more92 min
Jun 17, 3:34 PM EDTMesoscale DiscussionSPCLenawee, Monroe116 min
Jun 21, 1:43 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Iron, Marquette and 2 more92 min
Jun 23, 12:23 PM EDTMesoscale DiscussionSPCAllegan, Antrim, Barry, Berrien, Calhoun, Cass and 34 more2 hr
Jun 23, 11:10 PM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Clinton, Eaton and 31 more95 min
Jun 24, 2:37 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Cass, Eaton, Genesee, Hillsdale and 15 more53 min
Jun 29, 4:04 PM EDTMesoscale DiscussionSPCArenac, Bay, Benzie, Clare, Genesee, Gladwin and 20 more116 min
Jun 30, 2:15 PM EDTMesoscale DiscussionSPCAlger, Baraga, Chippewa, Dickinson, Gogebic, Houghton and 7 more90 min
Jun 30, 5:52 PM EDTMesoscale DiscussionSPCAlger, Baraga, Charlevoix, Cheboygan, Chippewa, Delta and 11 more83 min
Jun 30, 8:39 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 27 more96 min
Jul 3, 3:44 PM EDTMesoscale DiscussionSPCBerrien2 hr
Jul 3, 7:16 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Cass, Kalamazoo, Saint Joseph and 1 more119 min
Jul 6, 3:53 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Saint Joseph37 min
Jul 6, 5:34 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Branch, Calhoun and 37 more86 min
Jul 6, 9:03 PM EDTMesoscale DiscussionSPCBarry, Berrien, Branch, Calhoun, Cass, Eaton and 15 more57 min
Jul 13, 11:08 AM EDTMesoscale DiscussionSPCAlger, Alpena, Antrim, Benzie, Charlevoix, Cheboygan and 18 more2 hr
Jul 13, 3:10 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Charlevoix, Cheboygan, Chippewa, Delta and 8 more2 hr
Jul 13, 7:08 PM EDTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clare, Clinton, Eaton and 21 more2 hr
Jul 13, 10:01 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Eaton, Genesee and 14 more119 min
Jul 16, 11:51 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 6 more2 hr
Jul 16, 3:45 PM EDTMesoscale DiscussionSPCBerrien, Cass, Van Buren90 min
Jul 21, 10:03 AM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Kalamazoo, Saint Joseph and 1 more117 min
Jul 21, 11:18 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 16 more87 min
Jul 21, 12:10 PM EDTMesoscale DiscussionSPCAlpena, Antrim, Arenac, Bay, Benzie, Cheboygan and 24 more2 hr
Jul 21, 2:01 PM EDTMesoscale DiscussionSPCBerrien, Van Buren89 min
Jul 21, 6:09 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 34 more36 min
Jul 21, 7:20 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Berrien, Branch, Calhoun and 26 more25 min
Jul 21, 8:49 PM EDTMesoscale DiscussionSPCBranch, Calhoun, Genesee, Hillsdale, Huron, Ingham and 15 more56 min
Jul 22, 2:52 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more83 min
Jul 22, 7:42 PM EDTMesoscale DiscussionSPCHillsdale, Lenawee, Monroe93 min
Aug 2, 12:11 PM EDTMesoscale DiscussionSPCBerrien2 hr
Aug 2, 12:44 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Iron, Luce, Mackinac and 2 more2 hr
Aug 2, 1:31 PM EDTMesoscale DiscussionSPCAllegan, Antrim, Arenac, Barry, Bay, Benzie and 44 more119 min
Aug 2, 5:32 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Barry, Bay, Calhoun and 34 more88 min
Aug 4, 12:47 AM EDTMesoscale DiscussionSPCCass, Saint Joseph58 min
Aug 4, 2:15 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 4 more90 min
Aug 9, 11:53 AM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron, Marquette, Menominee97 min
Aug 9, 4:32 PM EDTMesoscale DiscussionSPCAlger, Baraga, Charlevoix, Delta, Dickinson, Emmet and 7 more88 min
Aug 9, 10:14 PM EDTMesoscale DiscussionSPCAllegan, Alpena, Antrim, Arenac, Barry, Bay and 41 more61 min
Aug 17, 4:59 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 5 more61 min
Aug 17, 8:48 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 8 more117 min
Aug 18, 1:27 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more63 min
Aug 18, 4:03 PM EDTMesoscale DiscussionSPCMonroe, Wayne57 min
Aug 18, 4:46 PM EDTMesoscale DiscussionSPCAlger, Antrim, Benzie, Charlevoix, Cheboygan, Chippewa and 19 more59 min
Aug 18, 6:52 PM EDTMesoscale DiscussionSPCLuce113 min
Aug 18, 7:41 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Cheboygan and 23 more94 min
Aug 25, 4:38 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more2 hr
Aug 25, 7:01 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 12 more89 min
Aug 26, 5:38 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Gogebic, Iron, Menominee97 min
Aug 27, 2:39 AM EDTMesoscale DiscussionSPCAntrim, Arenac, Benzie, Cheboygan, Clare, Crawford and 15 more66 min
Aug 27, 5:36 AM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 36 more84 min
Aug 27, 7:33 AM EDTMesoscale DiscussionSPCArenac, Bay, Branch, Calhoun, Clinton, Eaton and 17 more27 min
Aug 27, 1:39 PM EDTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clinton, Eaton, Genesee and 23 more2 hr
Sep 2, 3:42 PM EDTMesoscale DiscussionSPCAlger, Antrim, Charlevoix, Cheboygan, Chippewa, Delta and 6 more93 min
Sep 15, 4:23 PM EDTMesoscale DiscussionSPCDickinson, Gogebic, Iron, Menominee97 min
Oct 30, 2:02 AM EDTMesoscale DiscussionSPCAllegan, Antrim, Barry, Benzie, Berrien, Cass and 19 more88 min
Nov 24, 1:31 PM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 21 more5 hr
Nov 24, 8:03 PM ESTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Branch, Calhoun and 23 more3 hr
Nov 30, 6:50 PM ESTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 35 more6 hr
Dec 1, 12:59 AM ESTMesoscale DiscussionSPCBarry, Bay, Calhoun, Clinton, Eaton, Genesee and 13 more4 hr
Dec 5, 11:52 PM ESTMesoscale DiscussionSPCClinton, Genesee, Gratiot, Ionia, Isabella, Kent and 14 more6 hr
Dec 13, 1:01 PM ESTMesoscale DiscussionSPCCass, Saint Joseph, Van Buren4 hr
Dec 13, 7:31 PM ESTMesoscale DiscussionSPCAllegan, Cass, Van Buren4 hr
Dec 18, 1:40 PM ESTMesoscale DiscussionSPCBaraga, Dickinson, Iron, Marquette4 hr
Dec 18, 7:59 PM ESTMesoscale DiscussionSPCAlger, Baraga, Luce, Mackinac, Marquette, Schoolcraft4 hr
Dec 19, 12:32 AM ESTMesoscale DiscussionSPCBerrien4 hr
Dec 20, 2:02 AM ESTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more4 hr
Dec 23, 1:57 AM ESTMesoscale DiscussionSPCLenawee, Macomb, Monroe, Wayne5 hr
Dec 23, 7:01 AM ESTMesoscale DiscussionSPCGenesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 6 more4 hr
Dec 30, 7:22 AM ESTMesoscale DiscussionSPCGogebic4 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 9, 20046mesoscale discussions
  2. June 14, 20046mesoscale discussions
  3. July 21, 20046mesoscale discussions
  4. August 18, 20046mesoscale discussions
  5. May 17, 20044mesoscale discussions
  6. May 23, 20044mesoscale discussions
  7. June 13, 20044mesoscale discussions
  8. August 2, 20044mesoscale discussions
  9. August 27, 20044mesoscale discussions
  10. April 18, 20043mesoscale discussions
  11. May 10, 20043mesoscale discussions
  12. May 12, 20043mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20032005

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.