First storms of B.C.’s season bring ‘minor’ flooding risk and power outages

After a particularly dry October, the first major weather system of British Columbia’s storm season has drenched much of Vancouver Island and coastal areas with more than 200 mm of rain. As successive atmospheric rivers move across the province, coastal communities are being warned about rising water levels, while damaging winds on the mainland are expected to cause widespread power outages.

About 40,000 customers remained without power as of 8 a.m. Saturday, BC Hydro said in a news release. That is nearly half the number who were without power at the storm’s peak Friday. Prince George, Port Hardy, Courtenay and Qualicum were hit hardest, the utility said. Restoration work continues, but more storms are on the way. The next system is expected to bring strong winds to the south and central coasts and Vancouver Island.

Southeasterly wind gusts could reach 90 km/h, according to Environment Canada. BC Hydro spokesperson Whitney Deane said in a news release that Friday’s storm caused significant damage and the utility is preparing for more challenging weather in the coming days. Crews and resources will work around the clock to restore power and respond to new outages as quickly and safely as possible, Deane said, adding that customers are being encouraged to prepare.

The B.C. River Forecast Centre has issued high streamflow advisories for most of Vancouver Island and the South and Central Coast. Waterways are rising rapidly in parts of northern and western Vancouver Island, the centre said, with flows reaching two- to five-year return levels on Friday.

Environment Canada has also issued a coastal flooding statement for much of the island’s west coast. Elevated ocean levels combined with strong winds and waves could push water above the highest astronomical tides, the agency said. Minor flooding along low-lying shorelines is likely this weekend.

On Friday, the Village of Zeballos on Vancouver Island issued an evacuation order because of the risk of rain-triggered landslides, and warned others to be ready to leave if necessary. A third storm expected Monday may bring a more prolonged period of rainfall to B.C.’s coast through next week, Environment Canada said.