Tornado activity has picked up in March, which is traditionally the start of tornado season, but the areas of activity have expanded in recent years.

On Monday at 3:28 a.m. a winter storm watch was issued by the National Weather Service valid from Wednesday 4 a.m. until Thursday 1 a.m. The watch is for Mason

Storm Watch is being issued by the National Weather Service for all of the western and central Upper Peninsula counties. That large U.P. area is expected to be part of a significant winter storm system that’s forecast to bring blizzard conditions to the Plains states and the Upper Midwest from Tuesday night into early Thursday.