Southern B.C. was hit with torrential downpour Saturday night and Sunday, sparking flash flooding and mudslides that have closed a number of major routes and highways, as well as forced a number of residents to be put on evacuation alerts.
A flood watch has been issued for the Coquihalla River, and Environment Canada is forecasting 150 mm of rain to fall in the Lower Mainland by Monday evening.
Highway 1, 3 and 7 are all closed due to the flooding, with several mud and rockslides reported along the routes connecting the Lower Mainland and the rest of mainland B.C.
Geotechnical experts will be examining the various areas Monday upon daylight.
Meanwhile, the Heavy Urban Search and Rescue Task Force team is responding to a landslide on Highway 1 between Agassiz and Spences Bridge. Roughly 50 vehicles are believed to be trapped.
REMINDER – CLOSED :#BCHwy1 between #AgassizBC and #SpencesBridgeBC. #BCHwy3 at #SunshineValleyBC & East of #PrincetonBC#BCHwy5 between #HopeBC and #MerrittBC#BCHwy7 #MapleRidgeBC to #HopeBC#BCHwy11 between #MissionBC and #AbbotsforBC
More info: https://t.co/xn50j8yRLn
— DriveBC (@DriveBC) November 15, 2021
Here is what we know as of 8:00 a.m.:
Abbotsford Police say at least 50 homes have been impacted by flooding. A reception centre for anyone who has been evacuated or can’t return home has been set up at Abbotsford Recreation Centre, 2499 McMillan Rd.
A number of road closures are in effect in the Fraser Valley, including the Sumas border.
A further 190 to 210 mm of rainfall is supposed to wreak havoc on the Fraser Valley by Monday afternoon.
The Chilliwack River is also being closely watched after a flood watch was issued by the River Forecast Centre, while the Coquihalla River remains under a flood warning. Fraser Canyon tributaries, including some around Hope, are also under a flood watch.
Clayburn Village in Abbotsford. @AbbyNews @CBCNews @GlobalBC pic.twitter.com/zKDj0WANKg
— Catt Jackk (@CattJackk) November 15, 2021
This was the Chilliwack River at 230pm today. Be safe Fraser Valley Twitter folks. This is still going to get worse before it gets better… #bcstorm pic.twitter.com/UZ6u25IWV9
— Brad Atchison (@Brad604) November 15, 2021
Many are keeping a close eye on the Tulameen River near Princeton, which swelled on Sunday, sparking evacuation orders for low-lying homes by the Regional District of the Okanagan-Similkameen.
An emergency centre has been set up at 148 Old Hedley Rd.
The Wooden Bridge has been closed due to water levels so all traffic is being rerouted through Highway 5A.
The rest of the Okanagan Valley is being urged to brace for nasty storm conditions, with winds gusting between 50 to 70 kilometres per hour.
“Winds will ease tonight as the low moves further east,” the weather agency says.
Highway 1 was also closed Monday morning between Revelstoke and Sicamous.
A look at the #Coquihalla in the #BChwy5 Portia area. Crews are on site and engineers are assessing the risk and impact. Safety is our top priority.
Check @DriveBC for updates. pic.twitter.com/TjdHtkLEuP
— BC Transportation (@TranBC) November 14, 2021
Metro Vancouver is facing rainfall and wind warnings from Environment Canada. The sub-region has already received 75 to 100 mm of rain this weekend, with further amounts of 30 to 40 mm expected Monday.
Meanwhile, northwest winds are forecast to reach 70 kilometres to 90 kilometres per hour, expected around noon.
“These winds will be strongest near the water, with gusts up to 90 km/h possible. For areas away from the water, gusty winds are still possible but are not expected to be as strong. Winds will ease early this evening as the frontal system moves further inland,” the weather agency’s bulletin reads.
Much of the Island is under rainfall warnings, upwards of 100 mm through Monday morning.
High freezing levels with melting snow will give rise to increased river flows and localised flooding, Environment Canada warns.
In East Vancouver Island, rainfall could reach 75-135 mm of storm totals. In West Vancouver Island, forecasts show about 100 mm anticipated.
In Greater Victoria, 75 to 135 mm is expected to fall, mixed with adverse windy conditions.
West Columbia is expected to get hit with the atmospheric river, including Kootenay Lake and northern sections of Arrow Lakes.
Roughly 10 to 25 mm of rain is expected in the area.
Elk Valley is being warned to brace for torrential rain. The ground, already near saturation, has little ability to absorb further rainfall, says Environment Canada. Up to 40 mm is expected over that section of the Kootenays.
East Columbia is under a snowfall warning, with up 10 10 cm anticipated. As snow levels rise this afternoon, the snow will change to rain.
Highway 93 is closed between Radium Hot Springs, B.C., and Banff, Alta.
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