Flooding above Okanagan Lake. (Black Press Media file)

Increased snowpack, lots of rain boost B.C. flooding risk

Across the province, snowpacks are sitting at an average of 119 per cent of normal level

A very cold February with plenty of rain and snow throughout much of B.C. has led to an above average snowpack that’s keeping flood watchers on alert as temperatures warm up.

“One of the key things we’re seeing this year is the fairly rapid accumulation of snow in a number of pretty big snow events through the winter,” said Dave Campbell, the head of the BC River Forecast Centre.

Across the province, snowpacks are sitting at an average of 119 per cent of normal levels, according to the centre’s March 1 survey.

However, areas in the southern half of the province, including the Okanagan and Kootenays, have seen snowpacks estimated to be 135 per cent and 120 per cent of normal, respectively.

The Fraser River basin as a whole is about 110 per cent of normal.

“For us generally when we get to this time of year, 120 per cent of normal snowpack is where we start to get concerned about increased risk,” Campbell said.

Unprecedented flooding caused considerable damage across the Okanagan last year, destroying homes, creeks and lake foreshore. Cleanup is still continuing in many communities and restoration projects are part of the estimated $10.7-million recovery plan, which is 80 per cent funded by Emergency Management BC.

READ MORE: Police identify missing senior, man now presumed dead after landslide

A report released Wednesday by the provincial government made 66 recommendations to improve flood response, including hiring more staff at flooding response centres.

Another government evaluation, expected to be made public on April 30, is in the works to determine if areas in the Interior that are not as flood-prone will see a higher risk because of last summer’s wildfire conditions.

Areas lose their ability to soak up water once the soil burns, Campbell said, and fewer trees means less cover to handle the higher snow accumulation.

“Particularly for a heavy rainstorm that comes through, it can lead to much more rapid runoff of that water increase,” he added.

READ MORE: Emergency Management B.C. needs better response, Premier John Horgan says

READ MORE: No way to prevent 2017 spring flooding

People living in areas at high risk of flooding are encouraged to prepare, he said, but realistically the flood season is one of wait-and-see, heavily dependent on the levels of rain.

“That weather piece is very important in terms of whether we actually get any flooding, but certainly the risk is quite elevated this year.”


@ashwadhwani
ashley.wadhwani@bpdigital.ca

Like us on Facebook and follow us on Twitter.

Get local stories you won't find anywhere else right to your inbox.
Sign up here

Just Posted

Missing blood python named Nexxus returns home

‘He was just chillin’ like the villain he is,’ says owner after snake went on adventure in Chilliwack

Chilliwack FC hires Mark Lillicrap to oversee COVID return-to-play guidelines

Lillicrap will serve as CFC’s first-ever Health and Safety Officer

Huge month for Chilliwack real estate in July

Average selling price up 12 per cent with sales numbers not seen since boom of 2017

OPINION: Grade school students don’t have a voice during COVID pandemic

As adults weigh pros and cons of returning kids to school, is anyone asking kids what they think?

Unofficial holidays: the weird and wonderful things people celebrate around the world

On any given day of the year, there are several strange, silly or serious holidays to observe

B.C. records 30-50 new COVID-19 cases a day over weekend, no new deaths

Many of those testing positive were identified by contact tracing for being linked to other confirmed infections

Over half of Americans oppose Trump tariff on Canadian aluminum: survey

The survey was conducted Aug. 7 to 9 among 1,513 Canadians and 1,003 Americans

Oh baby, what a birthday gift: $2.8M raised to help B.C. boy with rare disease

‘We are very thankful to everybody,’ Aryan Deol’s father says

‘Huckleberry’ the bear killed after B.C. residents admit to leaving garbage out for videos

North Shore Black Bear Society said it was local residents who created a ‘death sentence’ for bear

Police investigating after insults, expletives yelled at federal minister’s staff

A 90-second video circulating on social media appears to have been shot by the person who was yelling

5 B.C. First Nations call out Canada for ‘discriminatory’ food fish practices

West Coast nations say government ignoring court-won right to chinook and coho

Lost dog reunited with family 3 months after going missing on remote B.C. trail

‘The poor thing was skin and bones,’ says one of its Vancouver Island rescuers

B.C. marine ecologist wants Canada to sink its teeth into shark protection

Gulf Islands scientist says top predator under shocking threat from human behaviour

Rent-relief program becomes new front in fight between Liberals, opposition

Opposition trying to draw parallels between decision to have Canada Mortgage and Housing Corp. run program and the WE controversy

Most Read