Heavy lake-effect snow downwind from Lakes Erie and Ontario; moderateto heavy lake-effect snow over the eastern U.P. of Michigan.Light to moderate snow over parts of the Northern High Plains onWednesday.There is a Marginal Risk of severe thunderstorms over parts ofFlorida.A front moving off of Florida will create showers and strong to severethunderstorms over Florida. Therefore, the SPC has issued a Marginal Risk(level 1/5) of severe thunderstorms over parts of Florida through Tuesdaymorning....