Heavy rain, high winds set to whip into Atlantic Canada this week
Localized flooding, tree damage, and power issues are possible as another storm sweeps into Atlantic Canada this week
Another disruptive storm is tracking toward Atlantic Canada this week as an active pattern continues across the eastern half of the country.
While folks in Ontario and Quebec deal with hefty early-season snows, warmer temperatures on the East Coast will keep things wet and windy through Wednesday morning.
Beware the risk for localized flooding due to heavy rain, as well as isolated tree damage and power outages amid high wind gusts.
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Rain begins Monday, storm builds into Tuesday
We’ll see a coastal low-pressure system quickly develop this week. The storm’s rapid deepening, combined with a steady flow of moisture from the south, will combine to create a period of heavy rain and high winds throughout portions of the region.
The activity started Sunday night as precipitation pushed into the Maritimes. Folks in northern New Brunswick may see a wintry mix which could make the roads slick for the Monday commute.
Warm air—with temperatures up to 10 degrees above seasonal—along with ample moisture funneling into the rest of the Maritimes will keep precipitation mostly rain throughout the day Monday. Heavy rain will reach the shores of Nova Scotia by the evening hours.
A centre of high pressure over Greenland will allow our low-pressure system to intensify near Newfoundland beginning Monday night into Tuesday.
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Heavy rain will reach Newfoundland by early Tuesday morning and move east through the day. Rain will begin late Tuesday morning across the Avalon Peninsula.
Folks across the Avalon can expect 30-50 mm of rain from this system. Communities along the southwest coast, including Burgeo, could see 75-100+ mm of rainfall from this system.
Significant snow will push into Labrador late Monday into Tuesday, with 15 cm of accumulation possible before a transition to a wintry mix and then plain old rain.
Our rapidly developing surface low will help kick up strong wind gusts throughout Atlantic Canada. The strongest winds will buffet the southern coasts of Newfoundland, where 90-110 km/h gusts are possible.
Forecasters will keep an eye out for the potential for strong winds to develop across the Avalon by the pre-dawn hours Wednesday.
Expect the system to clear out of the region by Wednesday afternoon.
Stay with The Weather Network for all the latest on conditions across Atlantic Canada.