The BC River Forecast Centre has issued a flood watch and high streamflow advisory for parts of British Columbia as an atmospheric river is expected to bring significant rainfall from October 18 to 20.

The affected regions include the Central Coast, South Coast, Lower Fraser Tributaries, and Vancouver Island. Additionally, the North Coast and Interior Mountains have been placed under a high streamflow advisory.

The atmospheric river — a concentrated band of moisture — could deliver 80-300 mm of rain over three days, with the heaviest rainfall expected on October 19. The anticipated rain could lead to rapid rises in river levels and localized flooding, especially in areas with higher terrain and watersheds. Residents in the affected areas are advised to take precautions, monitor local updates, and be prepared for potential flooding impacts.

Key rivers and tributaries in the Lower Mainland and Vancouver Island are at heightened risk, with fast-developing conditions expected in response to the heavy precipitation. As a result, the River Forecast Centre is actively monitoring conditions and will provide updates as needed.

Atmospheric rivers are common weather phenomena in the Pacific Northwest, often contributing to heavy rain and snow in the region. However, their intensity and timing can create challenges for managing water levels and mitigating flooding risks. The upcoming event is a reminder of the dynamic nature of fall weather in BC, emphasizing the importance of staying informed and prepared.

Residents can access updates and further details on the situation through the BC River Forecast Centre website. It’s crucial to stay alert and follow any evacuation orders or safety advice provided by local authorities to ensure community safety.

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