Powerful system to deliver heavy snow, howling winds to parts of the East Coast
Upper Coquitlam River Park, BC
Alerts in Effect
Special Weather StatementIssued at 16:32 Wednesday 08 December 2021
Heavy precipitation and strong winds for the B.C. south coast.
Locations: Lower Mainland, Howe Sound, Whistler, and surrounding highway routes (Highway 3, 5, and Sea to Sky).
Rainfall amount: 40 to 80 mm.
Snowfall accumulation: 15 to 25 cm near Whistler, Coquihalla Summit, and Allison Pass.
Wind speed: 60 km/h gusting to 80
Time Span: Friday and Saturday.
Remarks: A moist Pacific frontal system will arrive over the BC south coast Friday morning.
The front will produce rainfall amounts of 40 to 60 mm for Metro Vancouver and the Fraser Valley. Rainfall amounts of 80 mm or higher are possible near the North Shore Mountains and Howe Sound.
Freezing levels will range between 500 and 1000 metres with this system. Whistler and the high elevation mountain passes, particularly Highways 3, 5, and the Sea to Sky, can expect heavy snow.
Strong southeast winds will accompany the front. The strongest winds are expected for areas along the Strait of Georgia overnight Friday into early Saturday morning.
The heavy precipitation and strong winds will ease late Saturday.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to BCstorm@ec.gc.ca or tweet reports using #BCStorm.