Thunderstorms in weekend forecast raise flood risk across B.C. - Action News
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British Columbia

Thunderstorms in weekend forecast raise flood risk across B.C.

Incoming thunderstorms and heavy rainfall could cause rivers and creeks to rise in several areas of B.C.'s southern Interior on Saturday, according to Environment Canada.

A local state of emergency has been declared for the entire Kootenay Boundary area

River levels are rising in Grand Forks, B.C. The Regional District of Kootenay Boundary has also declared a state of local emergency for the entire Boundary region, which includes the municipality of Grand Forks, in anticipation of potential flooding. (Corinne Seminoff/CBC)

Incoming thunderstorms and heavy rainfall could cause rivers and creeks to rise in several areas of B.C.'s southernInterior on Saturday, according to Environment Canada, creating a heightened risk of flooding over the weekend.

The weather agency said a strong storm is expected Saturday morning. High winds, frequent lightning and downpoursare all possible. Special weather statements said the rain is forecast to continue through Sunday.

High streamflow advisories are in effect for parts of the Thompson,Similkameen,North Okanaganand Nicola rivers.

The B.C. River Forecast Centre said such advisories are put in place when river levels are rising or expected to rise rapidly, but not to the point of threatening a major flood.

The news of possible stormsis especially worrisome for people in Cache Creek, B.C.The village is under a local state of emergency, having dealtwith flooding issues for more than six weeks. TheBonaparte River is still running high and 175 properties have been on evacuation alert since May 21.

The City of Merritt has alsowarnedresidents about the possibility of flooding on the Nicola River. The Upper Nicola has been receding, but heavy rain could cause theand ground water levels to rise.

Local state of emergency for Kootenay Boundary

The Regional District of Kootenay Boundaryhas also declared a state of local emergency for the entire Boundary region, including the electoral areas Christina Lake, rural Grand Forks and West Boundary, as well as the municipalities of Grand Forks, Greenwood and Midway, in anticipation of potential flooding.

On Thursday, theB.C. River Forecast Centre issued a flood watchfor the Boundary Region including the Kettle River, West Kettle River, Granby River and tributaries.

Environment Canada has issued a special weather statementforecastingthunderstorms with frequent lightning andstrong wind gusts over the weekend. It warns heavy rain brought by the storms could also strain local rivers.

Cache Creek, B.C., is shown after flooding April 2018. The village has declared a local state of emergency due to the risk of flooding again this spring. (Briar Stewart/CBC)

Francis Mika, with the emergency operations centre for Kootenay Boundary District, said forecasting shows that Monday evening could see the worst flooding, which could lead to evacuation alerts.

"We could see widespread evacuation alerts initially and that would be on the level of what we saw in 2018," she said.

"What I know from residents and what they've been through is this hasgot to be really, really tough."

An emergency operations team is currently working in Grand Forks to put dams and other infrastructure in place in anticipation of the heavy rains.

With files from CBC Kamloops