File photo (Image credit: CFJC Today).

By Aaron Schulze

High Streamflow

Heavy rainfall forecast for Wednesday triggers high streamflow advisory for North and South Thompson basins

Oct 17, 2023 | 11:23 AM

KAMLOOPS — Despite being under a Drought Level 4 advisory, Kamloops and area can expect some high streamflow Wednesday (Oct. 18).

A high streamflow advisory was posted Tuesday by the BC River Forecast Centre for the North Thompson – including small streams around Clearwater, Blue River and surrounding rivers – and the South Thompson – including small streams in the Chase and Sicamous areas.

The forecast centre says it’s due to an atmospheric river event that’s expected to bring heavier localized rainfall in B.C.’s Interior on Wednesday.

Current weather modelling indicates the potential for up to 50 millimetres of rainfall in areas around Revelstoke and surrounding areas to the east and west.

Additionally, the forecast centre warns heavy rainfall may worsen runoff from areas that experienced severe wildfires this past summer, including the Bush Creek fire in the North Shuswap.

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Localized high flows and erosion are possible in areas, but no significant flooding on larger rivers is expected.