Timing: The high-impact storm will arrive Monday night and persist through Tuesday. During the height of the storm, thundersnow (snow accompanied by thunder) is a possibility. Snowfall rates may reach 1-3 inches per hour in the morning through early afternoon on Tuesday. The snow will then taper off from west to east during the late afternoon to early evening, with the back edge expected to arrive in the Worcester to Boston area around 3 p.m. to 5 p.m.12.
Amounts: Anticipate a widespread 8-12 inches of snow for much of the region, including the city of Boston. Some localized areas could see a foot or more of snow, especially where intense snow bands set up. The initial mixing before the changeover will result in 3-6 inches of snow for the south coast, Cape Cod, and the immediate coast of the South Shore12.
Impacts: Conditions on the roads will deteriorate rapidly pre-dawn on Tuesday, making travel difficult throughout the day. Expect snow-covered roads and reduced visibility, especially under the heaviest snow bands. The consistency of the snow will be fluffier inland and more wet near the coast. Temperatures will drop into the 20s on Tuesday evening and night, with wind chill values in the teens at times. Coastal areas, particularly Cape Cod, may experience gusts of 40-50 mph, with isolated gusts up to 60 mph as the storm center passes nearby1.
Remember to stay safe, hunker down indoors, and prepare for the wintry conditions!
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