A frontal boundary will be draped across Lower Michigan over the weekend, bringing periodic showers and possible thunderstorms. Some of the storms on Sunday afternoon and evening could be severe, especially in far southern Lower Michigan. A sharp temperature contrast will exist across the front, with temperatures ranging from the 30 and 40s in northern Michigan to near 70 south. Read More >
Grand Rapids, MI
Weather Forecast Office
On Monday, December 28, 2015, low pressure tracked north through the western Great Lakes, producing a significant winter storm for much of the region. Lower Michigan received a combination of snow, sleet, and freezing rain. The freezing rain was mainly confined to far Southern Lower Michigan, where up to a quarter inch of ice accumulated. Much of Southwest Lower Michigan reported 1-4 inches of sleet (see reports HERE), while heavier snow fell across Northern Lower Michigan.
Here is a radar loop of the event between 8 AM Monday and 1 AM Tuesday
The accumulations as far north as Ludington were mainly in the form of sleet, while the heavier amounts up toward Gaylord were in the form of wet snow. It is unusual to have sleet falling for several hours. A layer of air warmer than freezing was located about 6,000 feet above the ground. This caused snow to melt into rain as it fell through this layer. Below this, air well below freezing from the ground up to about 2,500 feet caused the rain to freeze into sleet. Very strong, cold winds blowing in from the east helped keep cold temperatures in place near the ground, which allowed the sleet to persist well into the evening. Below is a graphic illustrating this process.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Grand Rapids, MI
4899 Tim Dougherty Drive SE
Grand Rapids, MI 49512-4034
616-949-0643
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