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Flood watch for parts of Lower Mainland as heavy rain continues

Click to play video: 'Flood watch for parts of Lower Mainland as heavy rain continues' Flood watch for parts of Lower Mainland as heavy rain continues
Parts of the Lower Mainland were under a flood watch Saturday as heavy rain continued to pound the region - leading to localized flooding and trail closures. Kamil Karamali reports – Oct 16, 2021

Parts of the Lower Mainland were under a flood watch on Saturday as heavy rain continued to pound the region.

An Environment Canada rainfall warning remained in place for Metro Vancouver, Howe Sound, Whistler, the Sunshine Coast and eastern and western Vancouver Island.

Read more: Caution urged on roads, near waterways as ‘atmospheric river’ drenches B.C.’s South Coast

By Saturday, Vancouver harbour had already seen 78 millimetres of rain, while West Vancouver measured 95.8 millimetres and Tofino recorded 95 millimetres.

Port Mellon in Howe Sound recorded a whopping 239.8 millimetres of rain.

Flood watch for parts of Lower Mainland as heavy rain continues - image

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An additional 40 to 60 millimetres of rain is forecast to fall in most areas, with 70 to 90 mm possible on the North Shore and in Howe Sound.

And late Friday, the BC River Forecast Centre upgraded high streamflow advisories for the North Shore Mountains, Metro Vancouver, Howe Sound and the Sunshine Coast to flood advisories.

Click to play video: 'Hikers perform innovative rescue at Golden Ears waterfall' Hikers perform innovative rescue at Golden Ears waterfall
Hikers perform innovative rescue at Golden Ears waterfall – Oct 16, 2021

“Recent snow accumulation at elevation has occurred over the past few weeks, with 5‐40 mm of (snowmelt) equivalent currently observed at automated snow weather stations throughout the region,” the centre warned.

“Most of the snow on the ground is expected to melt during this event and will contribute additional runoff to rivers.”

People are being reminded to steer well clear of potentially unstable banks around the region’s creeks and rivers.

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Read more: ‘Follow the forecast week by week’: B.C.’s weather outlook for fall and winter

Peak flows on smaller waterways were expected Saturday, and in larger waterways, including the Squamish River, on Sunday.

Environment Canada forecasts the heavy rain to shift into showers over Metro Vancouver on Saturday afternoon, before picking back up in the evening and tapering off again Sunday.

Drivers are reminded to slow down and turn their lights on, while residents are reminded to check their properties for any potential drainage problems.

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