A slow-moving front across Florida will aid in creating showers and thunderstorms over parts of the Central Gulf Coast to Florida on Friday.
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After the boundary moves south of Florida, scattered light rain will develop along the east coast of the Florida peninsula on Saturday.
An area of high pressure over Central Canada will usher cold air over parts of the Northern Plains, bringing temperatures of 10 to 25 degrees below average.
The cold air has prompted Cold Weather Advisories over parts of North Dakota on Friday morning.
In addition, upper-level troughing over the Great Lakes into the Northeast and cold air streaming over the Great Lakes will produce heavy lake-effect snow over the Upper Peninsula of Michigan through Sunday.
Lighter snowfall will develop over most of the west coast of the Lower Peninsula of Michigan during the time period.
However, heavy lake-effect snow will develop over the parts of the northern Lower Peninsula of Michigan.
Moreover, heavy lake-effect snow will develop downwind of Lakes Erie and Ontario through Sunday.
A quasi-stationary front extending from the Middle Mississippi Valley to the Northern Rockies/Northern High Plains will be the focus for light snow over parts of the Northern High Plains on Friday and over parts of the Northern Plains on Saturday.
Furthermore, a wave of low pressure will develop on the boundary over parts of the Central Plains and move eastward to the Central Appalachians by Sunday.
The system will produce light to moderate snow over parts of the Middle Mississippi Valley eastward to the Central Appalachians on Saturday into Sunday morning.
Meanwhile, weak return flow off the Gulf of Mexico will create light rain over parts of the Western Gulf Coast on Saturday. ■
A clipper system will move quickly across the northern Plains into the Midwest Friday and the Northeast by Saturday, bringing a wintry mix of rain and snow showers ahead of a sweeping cold front.