Atlantic Canada faces Atmospheric Gridlock, Heavy Rain and Winds

The Atlantic Ocean’s ridge of high pressure will funnel waves after waves of rain into parts of Canada’s east coast throughout the week.

Atlantic Canada could experience some unsettled weather during this new work week of November. In the region, systems will linger over the East Coast for much of this week, essentially causing an atmospheric gridlock.

Throughout the week, weather forecasters expect heavy rain and strong winds as a result of back-to-back storms, resulting in potential flooding and power outages. Higher terrain may also be affected by localized mixed wintry precipitation caused by a temperature rollercoaster.

Atlantic Canada will experience strong high pressure this week, preventing storm systems from tracking through and lingering for days over the region.

In the wake of Monday’s mild and wet start to the week, an additional system is expected to track in Tuesday, bringing rain and mixed precipitation to the Maritimes.

Newfoundland is then hit by the system, which stalls out south of the Avalon Peninsula. High pressure from Ontario and Quebec will wedge the system between the European high and the high off the coast of Europe.

Central and eastern Newfoundland can expect persistent heavy rain from Tuesday night through Thursday due to this pattern. This time period may see 50-100+ mm of rain, according to current forecast models.

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Atmospheric gridlock occurs when large-scale weather systems become nearly stationary or very slow-moving. Weather patterns can be trapped in one area, resulting in prolonged periods of rain, wind, or snow, depending on the season and location.

Weather gridlocks can plague an area for days or even weeks at a time, causing compounding effects on local environments and infrastructure.

Atlantic Canada is currently experiencing atmospheric gridlock due to low-pressure systems and stalled fronts. Instability caused by these systems causes persistent and heavy rainfall, along with high winds.

Multi-frontal convergence is causing this weather to remain trapped in place, resulting in challenging conditions for a prolonged period.

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Emergency services around the area are already alert, preparing for flooding, power outages, and structural damage.

Flood-prone areas are being protected with sandbags and temporary barriers, while areas likely to lose power are being prepared with crews from utilities.

During this atmospheric gridlock, residents must stay informed and prepared. You may want to consider the following tips:

• Stock up on Essentials: In the event of a road closure or power outage, ensure you have enough food, water, and medical supplies to last a few days.
• Secure Outdoor Items: Outdoor furniture and other items can become hazardous in high winds.
• Check Flashlights and Generators: Make sure you have a flashlight and batteries and, if possible, a generator.

In Atlantic Canada, atmospheric gridlock, accompanied by relentless rain and winds, poses a significant challenge.

Residents can prepare for the storm in the future by understanding its causes, impacts, and possible preparations. Throughout this event, it is essential to remain informed, take precautions, and remain prepared.

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