Alert archive / Michigan / Saint Clair County / Mesoscale Discussions

Mesoscale Discussions in Saint Clair County, Michigan, 2021

13 mesoscale discussions in 2021. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Saint Clair County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Mesoscale Discussions
13
Busiest month
August5 mesoscale discussions
Busiest day
August 11, 20212 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.

IssuedProductOfficeLasted
Jun 26, 7:08 PM EDTMesoscale DiscussionSPC67 min
Jun 26, 9:23 PM EDTMesoscale DiscussionSPC67 min
Jun 29, 12:54 PM EDTMesoscale DiscussionSPC2 hr
Jul 24, 6:21 PM EDTMesoscale DiscussionSPC114 min
Aug 10, 10:57 PM EDTMesoscale DiscussionSPC93 min
Aug 11, 2:12 PM EDTMesoscale DiscussionSPC93 min
Aug 11, 10:17 PM EDTMesoscale DiscussionSPC88 min
Aug 28, 6:42 PM EDTMesoscale DiscussionSPC93 min
Aug 29, 4:27 PM EDTMesoscale DiscussionSPC93 min
Sep 7, 2:48 PM EDTMesoscale DiscussionSPC117 min
Sep 7, 5:37 PM EDTMesoscale DiscussionSPC83 min
Sep 12, 6:52 PM EDTMesoscale DiscussionSPC113 min
Sep 14, 6:04 PM EDTMesoscale DiscussionSPC86 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20202022

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.