In a sign that the seasons are changing, the lake effect is now clearly visible over the Great Lakes. While most commonly associated with heavy snowfalls downwind of the Great Lakes, in these early pre-freezing times of the year it can be associated with the enhancement of rainfall as well.... Read More

Darker shades of red in GOES-16 (GOES-East) Day Snow-Fog RGB images on 31 March 2025 (above) highlighted areas in eastern/northeastern Minnesota, northern Wisconsin and the Upper Peninsula of Michigan that received an accrual of ice (from sleet and/or freezing rain/drizzle) as a late-season winter storm moved across the region during the previous 2 days.... Read More

The Slider above compares the Day Cloud Phase Distinction RGB over the central United States with the derived Land Surface Temperature (LST), an hourly Level-2 product. Two snow bands over the central United States are a characteristic bright green in the RGB because there are minimal contributions there in the red and blue.... Read More

Very cold air over the Great Lakes on 17 February helped lead to the development of one long Lake-Effect Snow (LES) band that stretched from the Upper Peninsula of Michigan east-southeastward to Lake Huron then over the Bruce Peninsula and into eastern Lake Ontario and on to the Tug Hill... Read More