Winter Storm in Antrim, Michigan

CoCoRaHS observer from 1mile ESE of Mancelona reported a storm total through 0800EST of 37.8 inches of snow. Most intense snowfall occurred on the 29th, with a 24-hour total of 14.2 inches ending at 0800EST on the 30th, and an additional 10.5 inches ending at 0800EST on the 1st.

Persistent and deep cyclonic flow bringing unseasonably cold weather overtop unusually warm lake surface temperatures continued to result in record-breaking lake effect snow through the remainder of the Thanksgiving weekend into December 1-2. This brought periods of whiteout conditions and hazardous travel conditions as snow bands shifted back and forth over the region. Snow under these most intense bands quickly accumulated to the tune of 1-3 inches per hour, even on main thoroughfares including I-75...resulting in numerous accidents. Widespread 4-day snowfall totals of 2-4 feet in NW/WNW flow snowband areas of NW Lower and eastern Upper Michigan. Highest reported storm total snowfall from trained snowfall observers was 46.7 inches 6 miles SSW of Gaylord, MI, ending 1300EST December 2. This event broke all-time snowfall records for 1-day, 2-day, and 3-day snowfall totals for the Gaylord area. Reliable snowfall records for the Gaylord, MI area go back to 1940. For the Sault Ste. Marie, MI area, this was the 3rd highest snowfall event on record, with a storm total of 29.7 inches from 0000EST Thanksgiving morning through December 2, trailing behind the December 1995 4-day lake effect event, and Christmas blizzard 2022 event.