Alert archive / Michigan / Mesoscale Discussions

Mesoscale Discussions in Michigan, 2007

117 mesoscale discussions in 2007. 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 2007. Tap one for its archive.

Mesoscale Discussions
117
Busiest month
July21 mesoscale discussions
Busiest day
July 8, 20077 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
Dec 31, 7:14 PM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 6 more2 hr
Jan 14, 1:21 AM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 17 more5 hr
Jan 14, 7:39 AM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more6 hr
Jan 14, 8:07 PM ESTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Clare and 33 more5 hr
Jan 15, 12:34 AM ESTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Clinton and 26 more5 hr
Jan 24, 8:38 PM ESTMesoscale DiscussionSPCAllegan, Muskegon, Oceana, Ottawa, Van Buren5 hr
Feb 3, 7:21 AM ESTMesoscale DiscussionSPCKent, Ottawa2 hr
Feb 24, 7:02 PM ESTMesoscale DiscussionSPCBerrien, Cass5 hr
Feb 25, 12:51 AM ESTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 9 more4 hr
Feb 25, 7:34 AM ESTMesoscale DiscussionSPCDickinson, Menominee3 hr
Mar 1, 11:24 AM ESTMesoscale DiscussionSPCBerrien96 min
Mar 1, 2:47 PM ESTMesoscale DiscussionSPCBerrien, Cass, Saint Joseph, Van Buren88 min
Mar 1, 8:01 PM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 18 more3 hr
Mar 21, 5:21 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clare, Clinton, Eaton and 21 more4 hr
Mar 21, 6:15 PM EDTMesoscale DiscussionSPCAllegan, Benzie, Berrien, Kent, Lake, Manistee and 6 more2 hr
Mar 22, 5:43 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 19 more62 min
Mar 22, 8:08 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 20 more67 min
Mar 25, 6:01 PM EDTMesoscale DiscussionSPCGogebic, Iron59 min
Mar 25, 10:00 PM EDTMesoscale DiscussionSPCAlger, Antrim, Baraga, Benzie, Charlevoix, Delta and 10 more90 min
Mar 27, 2:16 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 19 more2 hr
Mar 31, 10:17 PM EDTMesoscale DiscussionSPCBerrien58 min
May 1, 1:09 PM EDTMesoscale DiscussionSPCBerrien, Branch, Calhoun, Cass, Hillsdale, Jackson and 6 more2 hr
May 1, 3:53 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Saint Joseph97 min
May 9, 4:44 AM EDTMesoscale DiscussionSPCBenzie, Charlevoix, Delta, Dickinson, Grand Traverse, Iron and 5 more3 hr
May 9, 2:38 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 21 more2 hr
May 14, 12:01 PM EDTMesoscale DiscussionSPCAlger, Baraga, Gogebic, Houghton, Luce, Marquette and 1 more59 min
May 14, 3:31 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Ontonagon119 min
May 14, 10:56 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron, Marquette, Menominee64 min
May 15, 4:02 AM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Gladwin, Gratiot, Isabella and 7 more88 min
May 15, 1:15 PM EDTMesoscale DiscussionSPCBarry, Berrien, Branch, Calhoun, Cass, Clinton and 16 more90 min
May 15, 4:32 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 31 more58 min
May 15, 7:25 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Branch, Calhoun, Clinton and 22 more65 min
May 24, 7:11 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Marquette, Menominee, Schoolcraft64 min
Jun 2, 6:15 PM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Crawford, Gladwin and 11 more60 min
Jun 2, 9:23 PM EDTMesoscale DiscussionSPCAlpena, Cheboygan, Montmorency, Oscoda, Otsego, Presque Isle67 min
Jun 3, 1:23 PM EDTMesoscale DiscussionSPCDickinson, Menominee97 min
Jun 3, 2:45 PM EDTMesoscale DiscussionSPCGenesee, Hillsdale, Ingham, Jackson, Lenawee, Livingston and 5 more90 min
Jun 7, 3:20 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Iron, Menominee115 min
Jun 7, 6:59 PM EDTMesoscale DiscussionSPCBenzie, Charlevoix, Chippewa, Delta, Dickinson, Emmet and 4 more61 min
Jun 7, 10:23 PM EDTMesoscale DiscussionSPCDickinson, Gogebic, Iron, Menominee97 min
Jun 7, 10:48 PM EDTMesoscale DiscussionSPCAllegan, Barry, Benzie, Berrien, Cass, Clare and 20 more87 min
Jun 8, 3:59 AM EDTMesoscale DiscussionSPCAllegan, Alpena, Clare, Crawford, Gladwin, Isabella and 13 more61 min
Jun 8, 11:07 AM EDTMesoscale DiscussionSPCBranch, Calhoun, Clinton, Eaton, Genesee, Hillsdale and 13 more53 min
Jun 8, 12:40 PM EDTMesoscale DiscussionSPCGenesee, Hillsdale, Jackson, Lapeer, Lenawee, Livingston and 8 more65 min
Jun 17, 2:20 PM EDTMesoscale DiscussionSPCDickinson, Iron, Menominee85 min
Jun 17, 7:17 PM EDTMesoscale DiscussionSPCIron, Menominee58 min
Jun 18, 12:06 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more54 min
Jun 18, 4:27 PM EDTMesoscale DiscussionSPCAlger, Baraga, Dickinson, Gogebic, Iron, Marquette and 2 more93 min
Jun 18, 7:19 PM EDTMesoscale DiscussionSPCDickinson, Marquette, Menominee86 min
Jun 20, 2:52 PM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Iron and 2 more23 min
Jun 20, 7:57 PM EDTMesoscale DiscussionSPCAntrim, Benzie, Grand Traverse, Kalkaska, Lake, Manistee and 4 more63 min
Jun 26, 6:04 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Keweenaw, Marquette and 1 more86 min
Jun 26, 8:44 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 3 more91 min
Jul 5, 1:28 PM EDTMesoscale DiscussionSPCAntrim, Barry, Branch, Calhoun, Charlevoix, Cheboygan and 40 more2 hr
Jul 5, 6:37 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Barry, Bay and 55 more53 min
Jul 8, 4:14 AM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more2 hr
Jul 8, 7:48 AM EDTMesoscale DiscussionSPCAlger, Benzie, Charlevoix, Cheboygan, Chippewa, Delta and 8 more87 min
Jul 8, 2:05 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Iron, Marquette55 min
Jul 8, 3:21 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Charlevoix, Cheboygan and 17 more84 min
Jul 8, 5:00 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Iron, Menominee, Schoolcraft60 min
Jul 8, 6:12 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 22 more63 min
Jul 8, 7:40 PM EDTMesoscale DiscussionSPCAlger, Delta, Dickinson, Luce, Mackinac, Menominee and 1 more65 min
Jul 9, 1:56 PM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Genesee, Gladwin and 16 more94 min
Jul 10, 11:29 AM EDTMesoscale DiscussionSPCAlger, Baraga, Delta, Dickinson, Gogebic, Iron and 3 more91 min
Jul 10, 1:55 PM EDTMesoscale DiscussionSPCAntrim, Charlevoix, Cheboygan, Clare, Crawford, Emmet and 20 more95 min
Jul 10, 3:29 PM EDTMesoscale DiscussionSPCAlger, Delta, Menominee, Schoolcraft91 min
Jul 18, 1:17 PM EDTMesoscale DiscussionSPCMenominee118 min
Jul 18, 4:03 PM EDTMesoscale DiscussionSPCArenac, Bay, Clare, Clinton, Genesee, Gladwin and 25 more117 min
Jul 18, 6:46 PM EDTMesoscale DiscussionSPCAlcona, Alpena, Arenac, Barry, Bay, Clare and 42 more119 min
Jul 18, 7:38 PM EDTMesoscale DiscussionSPCAllegan, Berrien, Branch, Calhoun, Cass, Hillsdale and 6 more97 min
Jul 18, 10:06 PM EDTMesoscale DiscussionSPCBerrien, Branch, Cass, Hillsdale, Lenawee, Monroe and 1 more84 min
Jul 19, 3:54 PM EDTMesoscale DiscussionSPCJackson, Lenawee, Monroe, Washtenaw, Wayne96 min
Jul 25, 2:29 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Gogebic, Iron, Ontonagon91 min
Jul 26, 1:33 PM EDTMesoscale DiscussionSPCGogebic87 min
Aug 2, 3:14 PM EDTMesoscale DiscussionSPCAlpena, Crawford, Kalkaska, Montmorency, Oscoda, Otsego and 1 more91 min
Aug 7, 5:47 AM EDTMesoscale DiscussionSPCAllegan, Barry, Branch, Calhoun, Cass, Eaton and 9 more118 min
Aug 7, 5:37 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Eaton, Hillsdale and 9 more53 min
Aug 9, 5:25 AM EDTMesoscale DiscussionSPCBerrien, Cass95 min
Aug 12, 4:23 AM EDTMesoscale DiscussionSPCAllegan, Barry, Calhoun, Cass, Clare, Eaton and 18 more67 min
Aug 22, 5:53 AM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 11 more67 min
Aug 22, 3:04 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Saint Joseph2 hr
Aug 22, 7:51 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Calhoun, Clinton, Eaton and 19 more114 min
Aug 22, 8:21 PM EDTMesoscale DiscussionSPCBerrien2 hr
Aug 23, 12:01 AM EDTMesoscale DiscussionSPCClinton, Eaton, Genesee, Gratiot, Ingham, Lapeer and 8 more59 min
Aug 23, 2:48 AM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Clinton, Eaton, Genesee and 15 more27 min
Aug 23, 3:07 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 39 more83 min
Aug 23, 6:38 PM EDTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 34 more97 min
Aug 23, 8:30 PM EDTMesoscale DiscussionSPCAllegan, Barry, Bay, Branch, Calhoun, Cass and 25 more90 min
Aug 24, 3:44 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Jackson, Lenawee, Saint Joseph91 min
Aug 24, 6:50 PM EDTMesoscale DiscussionSPCBranch, Hillsdale, Jackson, Lapeer, Lenawee, Livingston and 8 more85 min
Aug 28, 9:40 AM EDTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Benzie, Cheboygan, Crawford and 7 more35 min
Aug 28, 4:24 PM EDTMesoscale DiscussionSPCDelta, Dickinson, Iron, Menominee, Schoolcraft66 min
Aug 29, 2:23 PM EDTMesoscale DiscussionSPCBarry, Bay, Branch, Calhoun, Cass, Clinton and 21 more67 min
Aug 29, 7:28 PM EDTMesoscale DiscussionSPCLapeer, Macomb, Monroe, Oakland, Saint Clair, Sanilac and 2 more92 min
Sep 3, 9:27 PM EDTMesoscale DiscussionSPCHoughton, Keweenaw, Ontonagon3 hr
Sep 7, 4:36 PM EDTMesoscale DiscussionSPCBarry, Branch, Calhoun, Cass, Clinton, Eaton and 18 more114 min
Sep 21, 11:24 AM EDTMesoscale DiscussionSPCMenominee66 min
Sep 21, 2:34 PM EDTMesoscale DiscussionSPCBaraga, Gogebic, Houghton, Iron, Ontonagon116 min
Sep 21, 7:49 PM EDTMesoscale DiscussionSPCAlger, Delta, Leelanau, Luce, Mackinac, Menominee and 1 more86 min
Sep 24, 8:37 PM EDTMesoscale DiscussionSPCBaraga, Dickinson, Iron83 min
Sep 25, 2:36 PM EDTMesoscale DiscussionSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 13 more84 min
Sep 25, 8:03 PM EDTMesoscale DiscussionSPCGenesee, Ingham, Jackson, Lapeer, Lenawee, Livingston and 6 more87 min
Sep 27, 2:59 PM EDTMesoscale DiscussionSPCAllegan, Benzie, Clare, Delta, Grand Traverse, Kalkaska and 16 more3 hr
Oct 18, 2:44 PM EDTMesoscale DiscussionSPCBerrien2 hr
Oct 18, 2:59 PM EDTMesoscale DiscussionSPCAllegan, Antrim, Barry, Bay, Benzie, Berrien and 34 more61 min
Oct 18, 6:49 PM EDTMesoscale DiscussionSPCMenominee86 min
Oct 18, 7:34 PM EDTMesoscale DiscussionSPCAlcona, Allegan, Alpena, Antrim, Arenac, Barry and 52 more116 min
Oct 18, 10:57 PM EDTMesoscale DiscussionSPCArenac, Barry, Bay, Branch, Calhoun, Cass and 29 more93 min
Dec 1, 7:21 PM ESTMesoscale DiscussionSPCAllegan, Barry, Bay, Benzie, Berrien, Branch and 42 more5 hr
Dec 1, 11:47 PM ESTMesoscale DiscussionSPCAlcona, Alger, Alpena, Antrim, Arenac, Baraga and 29 more3 hr
Dec 2, 1:13 AM ESTMesoscale DiscussionSPCBranch, Calhoun, Clinton, Eaton, Genesee, Hillsdale and 12 more4 hr
Dec 9, 6:41 AM ESTMesoscale DiscussionSPCBranch, Hillsdale, Lenawee, Saint Joseph5 hr
Dec 11, 6:56 AM ESTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Berrien, Branch and 41 more6 hr
Dec 15, 7:29 PM ESTMesoscale DiscussionSPCAllegan, Barry, Berrien, Cass, Kalamazoo, Saint Joseph and 1 more6 hr
Dec 16, 12:52 AM ESTMesoscale DiscussionSPCAllegan, Barry, Bay, Berrien, Branch, Calhoun and 29 more5 hr
Dec 16, 7:28 AM ESTMesoscale DiscussionSPCBranch, Calhoun, Clinton, Eaton, Genesee, Hillsdale and 15 more4 hr
Dec 23, 4:46 AM ESTMesoscale DiscussionSPCAllegan, Arenac, Barry, Bay, Branch, Calhoun and 41 more119 min

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 8, 20077mesoscale discussions
  2. May 15, 20075mesoscale discussions
  3. June 8, 20075mesoscale discussions
  4. August 23, 20075mesoscale discussions
  5. July 18, 20074mesoscale discussions
  6. October 18, 20074mesoscale discussions
  7. February 25, 20073mesoscale discussions
  8. June 3, 20073mesoscale discussions
  9. June 18, 20073mesoscale discussions
  10. July 10, 20073mesoscale discussions
  11. August 22, 20073mesoscale discussions
  12. August 24, 20073mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20062008

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.