Typhoon Saudel will bring moisture from China to rain in B.C.

Much needed relief for B.C.’s northern coast is coming from a typhoon across the Pacific

A typhoon set to make landfall in China will have impacts all the way in British Columbia.

Typhoon Saudel has already made its way through Japan, having hammered Okinawa and Japan’s other southwestern islands. Over 24 hours, the country saw 230 mm of rainfall, causing landslide warnings in Japan’s Amami region.

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Over 150 flights were cancelled at Okinawa Naha Airport due to Typhoon Saudel passing over the islands.

The tropical storm is set to make landfall in mainland China sometime between Thursday night and Friday local time.

Pacific atmospheric moisture moving from China to British Columbia

Saudel’s impacts will be felt an ocean away

Though Typhoon Saudel is expected to weaken after it reaches China, the high moisture content will move to the other side of the Pacific.

The jet stream will carry the moisture, where it will be picked up by a low pressure system over the Bering Sea. From there, the system will pull said moisture further east into Alaska.

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Moisture Transfer Setup Saturday British Columbia

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By Friday, a low pressure system will move to settle over Alaska, while a high pressure system off the B.C. coast will help direct an atmospheric river toward the province's north coast.

Rainfall accumulation through Saturday, British Columbia

The mountain areas along the north coast can expect to see 50 to 75mm of rainfall throughout Saturday.

The rainfall brings much-needed relief to B.C.’s northern coast, which has experienced drier-than-normal conditions over the past 30 days.