The heavy snow, strong winds and coastal flooding could cause structural damage to homes along the coast. The NWS warns that lives may be at risk for people who put themselves in harms way. Some vulnerable homes may be severely damaged or destroyed and evacuations of some neighborhoods may be necessary.
Here are the warnings:
A potential historic winter storm and blizzard is expected to drop around 2 feet of snow Friday into Saturday Hazard types: Heavy snow, blowing and drifting at times.
Hazard types: heavy snow, blowing and drifting at times, quarter mile visibilities, and winds gusting in excess of 30 mph.
Accumulations: snow accumulations of 18 to 24 inches.
Timing:Light snow will develop by Friday morning, becoming heavy late in the day into the evening commute. The heaviest of snowfall will fall Friday night into Saturday.
Impacts: Blizzard conditions and dangerous travel. Whiteout conditions are anticipated as roads become snow covered by the Friday evening commute. Strong north-northeast winds are anticipated with gusts up to around 60 mph, resulting in blowing and drifting of snow. Damage to strees and structures along with scattered power outages are anticipated.
Winds: Northeast 30 to 40 mph with gusts up to 65 mph.
Visibilities: One quater mile or less at times
Temperatures: In the mid 20s
Percautionary/preparedness actions: A blizzard warning is issued with sustained winds or frequent gusts over 35 mph are expected with considerable falling and/or blowing and drifting snow. Visibilities will become poor with whiteout conditions at times. Those venturing outdoors may become lost or disoriented, so people in the warning areas are advised to stay indoors.
Coastal flood warning
Coastal flood warning in effect from 8 p.m. Friday to noon Saturday on east facing coastline of Massachusetts. Moderate coastal flooding is likely for the Friday evening high tide and moderate to major coastal flooding is likely for the Saturday morning high tide. The most severe impact is expected along east and north facing shorelines south of Boston.
A number of shore roads will likely become impassible for a time Friday evening and Saturday morning during high tide. The Saturday morning high ride will likely put some structures at rise along the immediate shore, especially those vulnarable locations south of Boston from Hull to Sandwich. Severe beach erosion will also occur, especially during the Saturday morning high tide.