The Weather Network – The strongest cyclone of 2022 could soon change Canada’s weather

The world’s strongest tropical cyclone so far this year could have a major impact on Canada’s weather through mid-September.


DON’T MISS: Canada’s Monthly Outlook: Summer rolls into September


Super Typhoon Hinnamnor grew into a powerful storm as it churned up east of the Philippines this week. The typhoon peaked at Category Five hurricane strength before gradually weakening over the past 24 to 36 hours.

Forecasters expect the typhoon to strengthen again this weekend as it moves north. Hinnamnor could regain much of its strength in the coming days, threatening parts of southern Japan as the equivalent of a Category 4 storm.

The typhoon will create damaging winds, torrential rain, rough seas and a storm surge in its path.

This system could have major repercussions in South Korea in particular, especially if the storm’s center passes near or over the southern tip of the Korean peninsula, as predicted.

Regardless of the storm’s strength, 200 to 300mm of rain could fall over South Korea as Hinnamnor sweeps through the region, causing significant flash flooding and mudslides across the country.

0902 Typhoon Rainfall

Hinnamnor will lose strength as it climbs higher in latitude, eventually losing its tropical characteristics as it traverses East Asia and heads toward the North Pacific.

Even if it dissipates next week, the former typhoon’s impact will still have a reach stretching thousands of miles into Canada.

WATCH: Hurricanes, typhoons, tropical cyclones… what’s the difference?

Recurrent typhoons are notorious for altering the jet stream as they rush toward polar latitudes. This disruption can amplify the jet stream, resulting in deeper troughs and stronger ridges that can profoundly affect weather downstream.

We could start seeing Hinnamnor’s impact on the jet stream here in Canada in about ten days.

It’s far too early to tell what specific impact this jet stream disturbance would have on conditions across the country, but it could bring notable temperature shifts — either to the warmer or colder side — for the duration of its passage. Check out our monthly outlook for more details on the patterns to expect in your corner of Canada starting in September.

Stay tuned to The Weather Network for the latest information as we track this evolving pattern.

About Mike Crayton

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