Below are a few links to find more details about this event.
https://www.weather.gov/lot/2026_06_11_SevereWeather
https://www.weather.gov/iwx/SevereWeather_Tornadoes_June11th2026
https://www.spc.noaa.gov/climo/gmf.php?rpt=260611_rpts_filtered
Here are some links that may help
Tornado Summary from Wikipedia
National Weather Service Tornado map and data
Storm Prediction Center Data this contains all of the forecasts, and model data, local sounding data, and much much more.
Severe Storm Summary Detroit Office
Severe Storm Summary Grand Rapids Office
Hear is the link to the SPC archive for this event
This contains maps which show the radar, soundings, significant level maps (500 Mb,, 850 MB, 950 Mb and numerous other maps for this event.
Here is the link to the NWS Grand Rapids Storm Summary
Here is the link to the NWS – Detroit Storm Summary
Link to Northern Indiana Office Storm Summary
themarinocast 