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High streamflow alert from the River Forecast Centre<\/strong><\/p>\n British Columbia\u2019s<\/strong> River Forecast Centre<\/strong> has issued a high streamflow advisory<\/strong> for Interior rivers<\/strong>, including tributaries stretching from the Alaska border<\/strong> south to the Canada\u2013U.S. boundary<\/strong>, and east along sections bordering Alberta<\/strong>. This alert follows a confluence of heavy rainfall forecasts<\/strong> and recent rapid snowmelt<\/strong> that is fuelling already elevated water levels in multiple basins.<\/p>\n <\/p>\n Rapid rise expected by Thursday and Friday<\/strong><\/p>\n Forecasters<\/strong> indicate that rivers will surge swiftly between Thursday, June 12 and Friday, June 13<\/strong>, with high flow conditions possibly persisting into Sunday, June 15<\/strong>. This rise is linked to a low-pressure system offshore from Alaska and the B.C. coast<\/strong>, which is expected to generate wraparound precipitation<\/strong> across the Interior<\/strong>. The extent of rainfall accumulation<\/strong> remains uncertain<\/strong>, but statistical models suggest flows could reach thresholds seen only once every 5 to 20 years<\/strong>.<\/p>\n <\/p>\n Upper Fraser and Upper Columbia on watch<\/strong><\/p>\n The Upper Fraser<\/strong> and Upper Columbia<\/strong> basins, where seasonal snowpack is still melting<\/strong>, are under particular observation. These areas are already experiencing high flows<\/strong> due to the early June heat event<\/strong>, which caused record-breaking temperatures<\/strong> across much of British Columbia<\/strong>.<\/p>\n <\/p>\n Climatic background: early season heatwave<\/strong><\/p>\n This hydrometeorological situation<\/strong> follows an early season heat event<\/strong>, recently declared by Environment Canada<\/strong>, which led to multiple record highs<\/strong> throughout the province. The sharp temperature increase<\/strong> triggered an accelerated snowmelt<\/strong> at mid and high elevations, intensifying the potential for flooding<\/strong> when combined with anticipated rainfall<\/strong>.<\/p>\n Residents in affected areas, especially in regions near the Interior mountains<\/strong>, are urged to remain alert to changing conditions and closely monitor provincial updates<\/strong> through the River Forecast Centre<\/strong> and Environment Canada bulletins<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":" High streamflow alert from the River Forecast Centre British Columbia\u2019s River Forecast Centre has issued a high streamflow advisory for Interior rivers, including tributaries stretching from the Alaska border south to the Canada\u2013U.S. boundary, and east along sections bordering Alberta. This alert follows a confluence of heavy rainfall forecasts and recent rapid snowmelt that is […]<\/p>\n","protected":false},"author":21,"featured_media":2720,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-2719","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news"},"yoast_head":"\n