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Atlantic: Heavy snow, strong winds force closures, major temp drop next

Wednesday, February 19th 2020, 11:05 am - More winter weather takes aim at Newfoundland ahead of a widespread temperature drop.

A miserable mix of heavy snow, wind and rain will continue to impact Newfoundland through Wednesday as parts of the Maritimes gear up for a major temperature plunge by Thursday. In some areas, a drop of 15-20°C is possible in just 24 hours. More on what's left of this recent winter blast and how long the deep freeze lasts, below.


  • System winding down for the Maritimes, ramping up in Newfoundland Wednesday morning,
  • Switchover to rain through the morning for Nova Scotia, afternoon in Newfoundland
  • Late-week temperature drop, sea-effect snow potential
  • Stay up-to-date on the ALERTS in your area


As the rain and snow with the latest system winds down across the Maritimes, conditions deteriorated quickly in Newfoundland Wednesday morning, prompting some school closures in western sections of the province.

Rain, wind and winter storm warnings span the island with drivers being warned to postpone non-essential travel until conditions improve.

"Visibility will be suddenly reduced to near zero at times in heavy snow and blowing snow," Environment Canada warns.

Between 10-20+ cm of snow is expected in the hardest hit areas before a change over to rain and then a gradual tapering later in the day.

ATLSnow (22)

Strong winds will also be persistent with the threat for gusts up to 120 km/h over exposed coastal areas of the southern Avalon Peninsula.

Due to the weather conditions, the City of St. John's has postponed garbage and recycling, and Mount Pearl has cancelled its recycling collection as well.


As the system departs, temperatures will drop considerably on Thursday as a brief burst of cold air from the Arctic will return. Temperatures on Thursday morning will be about 15-20°C colder across the region than they were early Wednesday morning.

The cold and blustery conditions could also stir up some sea-effect snow through the day on Thursday.

Icons Atlantic1 Day4

"The very cold weather continues into the weekend, then milder Pacific air spreads back into the region by early next week," says Weather Network meteorologist Dr. Doug Gillham, adding that the weekend will also be marked by a period of quieter weather.

Stay tuned to The Weather Network for the latest forecast updates.

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