Heavy is purple
light blue is moderate
red is light
green is mainly rain with minor accumulation possible
Knowns.
there will be a storm.
there will be rain to snow in many areas.
mainly rain on the coast
timing will be wednesday and wednesday night getting out of the area very early thanksgiving morning.
fast mover.
Unknowns.
exact snow accumulationaccumulations
where the rain and snow line will be
how long will it rain before it changes over.
Does the heavy precip end before the change over.
Remember this is a 3 day out generalized snow map. It does not give snow accmulations by numbers but by catagories and will likly change several times before the event
More info and the forecast late tonight.
Merrimack valley weather 