It seems like someone flipped a switch and unleashed a train of clippers because we are now talking about yet another clipper system, which will drop a light amount of snow from the Upper Midwest through the Northeast. This clipper won’t be nearly as impactful or significant compared to the most recent one on Tuesday, but it will still pack a punch, dropping a widespread batch of light snow.
The clipper will enter into Minnesota from Canada early Wednesday morning, bringing light to moderate snow to most of Minnesota, Wisconsin, northern and eastern Iowa, northern Illinois, and the large majority of Michigan during the day’s morning hours. There may be freezing rain issues for portions of Minnesota during the predawn hours of Wednesday. However, it will fully change over to snow by daybreak.
During the afternoon on Wednesday, rain will move into Chicago, changing over to snow as the afternoon progresses. A moderate to heavy snow will continue in parts of northern Illinois and Lower Michigan, while a light snow persists across portions of Minnesota and Wisconsin. As the main shield of precipitation clears from the Upper Midwest, a light lake-effect snow may develop along the northern lakefront of the Upper Peninsula of Michigan.
This is a fast-moving storm, as clippers generally are. Snow will quickly move into northern Indiana, most of Ohio, and western Pennsylvania Wednesday afternoon. As we get into the evening and overnight hours, the snow will clear out from the west while moving into West Virginia, Pennsylvania, and southern New York.
On Thursday, the clipper will begin to move offshore and strengthen. Snow will move into much of New Jersey as the clipper passes overhead. The forecast is a bit uncertain across Southern New England, however, because an energy transfer from the low on land to a developing low off the coast may create a hole in the precipitation for this region. Nonetheless, we are currently forecasting Thursday morning snow showers for at least the southern coast of New England in addition to Long Island. By the afternoon, the low will be far enough offshore, and we can say goodbye to this clipper system.
Behind this clipper will be the development of lake-effect snow for the coast of Lake Michigan on Thursday. Some snow may also form off Lakes Erie and Ontario.
Snowfall accumulations are typically light with clippers. There will be a general swath of one to two inches from northern Minnesota through New Jersey. From northern Wisconsin down through western Pennsylvania, there will be a heavier swath of snow, accumulating from two to four inches, and in some areas four to eight inches.