Abbotsford, B.C., officials 'very concerned' with up to 220 mm of rainfall expected through Wednesday
Overnight rainfall in flood-ravaged Abbotsford, B.C., was no match for the city's fully operational Barrowtown Pump Station, but officials remain anxious about the forecast over the coming days.
Mayor Henry Braun said the atmospheric river that arrived on the South Coast Thursday delivered approximately 50 millimetres of rain, but that the Barrowtown floodgates remained fully open throughout the night, allowing the swollen Sumas River to continue emptying into the Fraser.
"Overnight conditions remained stable across the flood zone," Braun said at a Friday morning update.
"Despite this positive news, we remain very concerned about the coming weather events and the impact they will have."
The mayor noted that floodwaters in Sumas Prairie were dropping by up to eight inches per day prior to Thursday's storm, but only decreased by three inches over the last 24 hours while pumps grappled with a new influx of rain and river runoffs.
And the next two atmospheric rivers expected to reach the region Saturday and Tuesday could be significantly wetter.
"Current estimates are that we will receive between 90 and 120 millimetres Saturday and Sunday, with an additional 50 to 100 millimetres of rain Tuesday and Wednesday," Braun said. "Cumulatively, that is more water in total than the initial event, although over a longer period of time."
The historic storm that caused devastating flooding, landslides and highway washouts in B.C. last week delivered about 180 millimetres of rain to Abbotsford over about two-and-a-half days.
Braun has estimated the flooding caused $1 billion worth of damage in his city alone. Thousands of livestock also died as a result of the natural disaster, the scale and severity of which has been blamed on human-caused climate change.
The mayor said crews have been hard at work bracing for the next storms, and have completed repairs on the main portion of a dike that burst last week, sending water from the Sumas River gushing into Sumas Prairie.
Efforts continue to raise a further seven kilometres of dike along the river, which Braun estimated would be finished late Friday or Saturday.
Much remains out of local and provincial officials' control, however. Last week's flooding was exacerbated by water from the Nooksack River in Washington state, which has been surging once again.
The river is currently expected to reach "moderate flood stage" on Sunday, according to an update posted on the Whatcom County website Friday.
"Damage to levee systems from previous storms may result in greater impacts to the floodplain areas than would typically be experienced at these river levels," the county said, adding that the "potential also exists for this to impact Sumas."
Flooding in the city of Sumas could result in water spilling across the border into B.C., Abbotsford said in Friday evening update.
Given the forecast, Braun said he does not expect any changes to Abbotsford's existing evacuation orders before the middle of next week.
"We understand this is a difficult time for everyone impacted by this difficult situation," the mayor added. "Please know we are focussed on your safety and will continue to update you as we can."
Meanwhile, Canada Task Force 1 is continuing to perform rapid damage assessments in the city. More than 2,000 properties have been assessed so far, and the team is expected to undertake 1,000 more over the coming days.
With files from The Canadian Press
Correction
Correction: A previous version of this story reported that Braun estimated flooding damage in his city to be in the billions. The damage is estimated to be $1 billion.
CTVNews.ca Top Stories
Justin Trudeau to step down as PM following Liberal leadership race
Prime Minister Justin Trudeau is stepping down as Liberal leader, and is proroguing Parliament as the Liberal Party of Canada embarks on the journey to replace him.
Trudeau resignation: recap key moments, analysis, reaction as it happened
Prime Minister Justin Trudeau has stepped down as Liberal leader. Here's a recap of key moments, analysis, and reaction as it happened.
Justin Trudeau steps down as Liberal leader. Who are the top contenders to replace him?
With Prime Minister Justin Trudeau's resignation as Liberal party leader, several well-known political faces may be waiting in the wings for their opportunity to take his place.
'Together, what a great nation it would be': Donald Trump, Elon Musk react to Justin Trudeau's resignation
Amid news of Prime Minister Justin Trudeau's resignation as leader of the Liberal party on Monday morning, reactions from prominent figures began piling in.
Trudeau says Parliament is 'prorogued' until March. What does that mean?
In his resignation speech on Monday, Prime Minister Justin Trudeau announced that Parliament would be prorogued until March, which will give the Liberal party time to find a new leader ahead of an expected confidence vote and early election.
Justin Trudeau is resigning, what will be his legacy? A look back at key political eras
In a seismic political move, Justin Trudeau has announced his intention to step down as leader of the Liberal Party of Canada and prime minister, once his successor is named. This decision comes after more than nine years in the country's top job and nearly 12 years at the helm of his party.
Justin Trudeau resignation: Here's what he said in Ottawa today
Prime Minister Justin Trudeau delivered a speech about his political future Monday morning outside Rideau Cottage in Ottawa. Here's the message he delivered to Canadians.
Alberta government signs new oil and gas agreement with Enbridge
The Alberta government has signed an agreement with Enbridge that Premier Danielle Smith says will increase exports of the province's heavy oil to the United States.
Trudeau leaves mixed global legacy as he exits during turbulent time, analysts say
Prime Minister Justin Trudeau will leave the world stage with a legacy of promoting feminist causes and focusing on Asia, along with criticism that Canada's actions fell short of the government's rhetoric.