Alert archive / Michigan / Mesoscale Discussions / 2018
Mesoscale Discussions in Michigan, May 2018
7 mesoscale discussions in May 2018. 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 May 2018. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- May 14, 20182 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 6:29 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Cass, Kalamazoo, Saint Joseph and 1 more | 91 min |
| May 14, 3:40 AM EDT | Mesoscale Discussion | SPC | Allegan, Berrien, Cass, Saint Joseph, Van Buren | 2 hr |
| May 14, 7:36 PM EDT | Mesoscale Discussion | SPC | Berrien, Cass, Van Buren | 84 min |
| May 26, 12:43 PM EDT | Mesoscale Discussion | SPC | Alger, Baraga, Delta, Dickinson, Iron, Marquette and 1 more | 3 hr |
| May 27, 3:12 PM EDT | Mesoscale Discussion | SPC | Alcona, Alpena, Arenac, Bay, Clare, Clinton and 16 more | 3 hr |
| May 30, 4:35 PM EDT | Mesoscale Discussion | SPC | Barry, Branch, Calhoun, Eaton, Hillsdale, Ingham and 7 more | 115 min |
| May 31, 3:00 PM EDT | Mesoscale Discussion | SPC | Branch, Saint Joseph | 90 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berrien County3
- Cass County3
- Saint Joseph County3
- Van Buren County3
- Allegan County2
- Barry County2
- Kalamazoo County2
- Branch County2
- Alger County1
- Baraga County1
- Delta County1
- Dickinson County1
- Iron County1
- Marquette County1
- Menominee County1
- Alcona County1
- Alpena County1
- Arenac County1
- Bay County1
- Clare County1
- Clinton County1
- Genesee County1
- Gladwin County1
- Gratiot County1
- Huron County1
- Iosco County1
- Isabella County1
- Lapeer County1
- Mecosta County1
- Midland County1
- Montcalm County1
- Ogemaw County1
- Oscoda County1
- Roscommon County1
- Saginaw County1
- Shiawassee County1
- Tuscola County1
- Calhoun County1
- Eaton County1
- Hillsdale County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.