The snowstorm that will hit Massachusetts Sunday night takes shape as a coastal low that tracks near the benchmark. The benchmark is at 40/70 on coordinates on a map, where we can pinpoint the severity of a storm and how big of an impact it will have in the Northeast.

Snow is coming to Massachusetts Sunday, and for many cities and towns, that means parking bans will be in effect. A winter storm is expected to drop between 4 and 8 inches of snow on Boston, and even more on a swath of the state,