Home News and Politics BC’s South Coast Braces for Drenching as Season’s First Atmospheric River Approaches – Get Ready for a Torrential Downpour in British Columbia

BC’s South Coast Braces for Drenching as Season’s First Atmospheric River Approaches – Get Ready for a Torrential Downpour in British Columbia

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BC’s South Coast Braces for Drenching as Season’s First Atmospheric River Approaches – Get Ready for a Torrential Downpour in British Columbia

Rainfall Warning: First Fall Storm Hits B.C.’s South Coast

People living on B.C.’s South Coast will want to break out their rain coats and galoshes, as the season’s first notable fall storm arrives.

Environment Canada has issued rainfall warnings for most of Vancouver Island along with Howe Sound and the Sunshine Coast, as an atmospheric river moves into the region.

Global BC Senior meteorologist Kristi Gordon said the incoming system was classified at a rank of AR3 on a scale of one to five, according to the Center for Western Weather and Water Extremes. That’s significant enough to douse the region, but not as intense as some fall and winter storms B.C. has seen in recent years.

Click to play video: 'Fraser Valley residents wait for flood recovery'


Fraser Valley residents wait for flood recovery

Metro Vancouver is forecast to receive from 20 millimetres of rain up to 60 millimetres close to the North Shore mountains.

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Meanwhile, the Sunshine Coast could get up to 60 millimetres, Howe Sound could get up to 70 millimetres, and Vancouver Island could get from up to 80 millimetres in the east to 200 millimetres on the west coast.

Gordon said the heavy rain was forecast to stretch over a 36- to 48-hour period from Tuesday evening into Wednesday.

B.C.’s Ministry of Environment and Climate Change also issued a bulletin Tuesday evening, warning that the heavy rain could cause other hazards, following a summer of drought and wildfires.

Click to play video: 'Heavy rain after summer drought raises flood risk'


Heavy rain after summer drought raises flood risk

“Rainfall on impacted areas can generate high surface water runoff and erosion due to a lack of vegetation, leading to a possibility of localized flooding and landslides — although widespread or severe impacts are not expected as part of this atmospheric river system,” the ministry said in a media release.

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The B.C. River Forecast Centre has also issued high-streamflow advisories for multiple regions, rivers and their tributaries, including the South Coast, North Thompson, South Thompson, Upper Columbia, Vancouver Island, Sunshine Coast, and Howe Sound.

People are being urged to stay away from fast-moving waterways and not to drive through flood water.

The province is also using the storm as a chance to reiterate its emergency preparedness advice, including preparing homes for possible flooding by clearing storm drains, gutters and perimeters and packing grab-and-go bags that can be used for any emergency situation.

&copy 2023 Global News, a division of Corus Entertainment Inc.

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