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Moisture-fed low blasts the Maritimes with downpours, strong winds

Monday, November 23rd 2020, 8:28 pm - The week is off to an unsettled and windy start in the Maritimes, thanks to a potent low that is bringing heavy downpours and strong winds to the region.

A storm that dumped widespread, heavy amounts of snow across Ontario and Quebec is moving through Atlantic Canada. Rain has become heavier and is accompanied by strong wind gusts, which will impact the Maritimes through Tuesday morning. Parts of New Brunswick and Nova Scotia could see 20-40 mm of rain. Details and timing, below.


WEATHER HIGHLIGHTS

  • Rain pushes through the Maritimes; 20-40 mm for some
  • 60-80 km/h wind gusts through the overnight, but will ease Tuesday morning
  • Turning colder behind the system, but warmup and more unsettled weather for end of the week

THROUGH TUESDAY: RAIN, STRONG WINDS WIND DOWN, SEA-EFFECT SNOW LINGERS

The potent system that brought widespread snow to parts of Ontario and Quebec on Sunday is impacting the Maritimes. The good news is most of the precipitation will occur as rain, with snow mostly confined to Labrador and strong winds in Newfoundland.

Heavy rain in the western Maritimes will continue through Tuesday morning. Rainfall amounts will be considerable for the region, with 20-40 mm for western New Brunswick and southwestern Nova Scotia by the time the system departs.

ATLRain

Winds have started to pick up, with 60-80 km/h gusts for the Maritimes. The winds will begin to ease Tuesday morning.

ATLwind

Behind the system Tuesday afternoon, winds will shift to the northwest and create some sea-effect snow for Cape Breton.

LOOK AHEAD: TEMPERATURES REBOUND LATE WEEK

Temperatures will turn colder briefly once the low departs the region. In fact, daytime highs will struggle to climb above freezing by Wednesday.

However, milder but unsettled weather returns for the end of the week, with daytime highs in the low- to mid-teens Friday, with some showers. A brief shot of cooler weather will spread west to east across the Maritimes Sunday, with a cooler but near seasonal, day. Milder temperatures return early next week.

Check back as we continue to monitor the approach of these systems.

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