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New flood fears as atmospheric river next makes landfall on BC . coast

But other atmosphere rivers are pouring into British Columbia, raising new concerns about possible rain and flooding on both the North and South Coasts of the province.

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Environment Canada has issued a series of winter storm, wind and rain warnings, plus special weather statements for Haida Gwaii and North and Central as the system brings tropical moisture to the area.

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By Sunday afternoon, it said 40 to 50 mm of rain had fallen in the Kitimat area, forecasting an additional 20 to 30 mm. The heaviest rain in the North is expected to gradually decrease overnight.

The hinterlands of the North Coast, and Stewart, BC in particular, are facing more winter conditions and up to 30 centimeters of snow fell late Sunday.


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Warmer air than is expected overnight is forecast to bring heavy rain, possibly accompanied by overnight snow.

“Snow will melt as rain continues and drainage systems may become clogged or overloaded,” Environment Canada warned.

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“It can happen locally or it can happen on a large scale. Landslides may occur. ”

The BC River Forecast Center has maintained flood prevention for the Northern Coast region.

Wind gusts of up to 90 km/h with gusts of up to 110 km/h are forecast to hit the area Sunday evening, before easing on Monday morning.

The storm is forecast to start moving southward, weakening, but is likely to bring more rain to the southwestern part of British Columbia already ravaged by floods and landslides.

According to Global BC meteorologist Yvonne Schalle, between 15 and 20 mm of rain is forecast for the South Coast on Monday, with more substantial humidity on the way on Wednesday and Thursday.

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There is particular interest in Abbotsford, where crews backed by the Canadian military are racing against the clock to repair damaged dikes, repair roads and drain floodwater from a shallow area. key industry.

“We are going to see torrents of rain this week. The next big storm we’re watching is coming on Thursday,” Schalle said.

“There are still a few days left but we could see 50-60 mm of rain from Thursday to Friday. Be prepared for more rain and possibly a significant amount this week. “


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Abbotsford Mayor Henry Braun said Sunday afternoon that the city had made great progress in combating the flooding, including closing all major holes in the levees protecting Sumas Prairie, and opening doors. flood discharge at the Barrowtown pumping station.

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Water from the flooded Nooksack River in Washington state has also stopped flowing north across the border into Abbotsford, he said, but that could change if the area is hit hard by more rain this week. .

“If 100 millimeters come in 24 hours that’s a problem, a big problem, because the water is going to spill over the border,” Braun said.

Environment Canada has scheduled a technical meeting for the media about “significant weather” approaching the province for 12:30 p.m. Monday.

– with files from the Canadian Press

© 2021 Global News, a division of Corus Entertainment Inc.

https://globalnews.ca/news/8391077/new-flood-worries-atmospheric-river/ New flood fears as atmospheric river next makes landfall on BC . coast

DevanCole

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