Chance of 40 cm: Newfoundland on notice as winter storm continues trek
Potential travel disruptions and closures await parts of Newfoundland on Tuesday as a significant winter storm threatens 20-40 cm of heavy snowfall, powerful wind gusts and blizzard-like conditions, and a messy mix of ice pellets and freezing rain
A disruptive winter storm is tracking the across the East Coast with significant impacts through Tuesday.
After Monday's wintry blast in the Maritimes, the northern Avalon Peninsula and eastern Newfoundland should prepare for a significant snowfall event.
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Tuesday will likely see numerous disruptions and delays, along with the chance of closures and cancellations, as well as power outages. Expect hazardous travel as winds and snow will make for reduced visibility and slippery roads.
Totals of 10-40 cm are expected across Atlantic Canada by the time the storm departs, with parts of Newfoundland seeing the heaviest amounts.
Heavy snow and strong winds continue over Newfoundland Tuesday
Flurries began late Monday evening in southeastern Newfoundland as the low-pressure system moved northeast of Sable Island.
The associated warm front lifting across Newfoundland will bring intense snowfall, with rates of 3-5 cm per hour likely during the pre-dawn hours of Tuesday.
Impacts from this system are expected to be significant, with widespread school and business closures likely Tuesday morning.
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Snow is expected to transition to a wintry mix across the Avalon and southern Newfoundland by Tuesday morning between 8 a.m. and 11 a.m.
As the low-pressure system deepens and moves northeast of Newfoundland on Tuesday afternoon, strong winds will raise concerns for blowing and drifting snow across the province.
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Most of the Avalon Peninsula could briefly switch to rain showers within the system's warm sector, while a wintry mix and snow persist across central and western Newfoundland. The low is forecast to deepen to 980 hPa as it moves across the province, triggering strong wind gusts.
Wind gusts are expected to reach 70-90+ km/h through Tuesday, with northern coastal areas of Newfoundland potentially experiencing gusts exceeding 100 km/h.
By Tuesday night, the precipitation is set to taper off as the low tracks north of the region.
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Beyond, there will be the chance of another high-impact and messy system late next week.