May 18, 2020
A very slow moving low pressure system advanced east from the central Plains. Unusually deep moisture was pushed northward into the Great Lakes region, ahead of this low. Multiple rounds of heavy rain fell in parts of northern lower Michigan on the 17th and 18th. This heavy rain targeted east central and northeast lower Michigan in particular. Rainfall amounts of 2 to 4 inches were common by the morning of the 18th in places like Tawas City, Houghton Lake, Omer, and West Branch. Further heavy ra
Source: NOAA National Weather Service Storm Events Database (event 897169). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Roscommon County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.