Prolonged blizzard conditions with near-zero visibility in blowing snow are expected.
What: Near-zero visibility in blizzard conditions.
When: Monday.
Where: Dempster Highway near the Richardson Mountains.
Additional information: A persistent ridge of high pressure over the Beaufort Sea and a low pressure system over the Gulf of Alaska are generating a strong pressure gradient across the Richardson Mountains that will strengthen again on Monday.
Easterly winds will re-develop early Monday morning and increase to gusting to 100 km/h on Monday evening. Wind-swept snow and falling snow combined with the strong winds will result in blizzard conditions with near-zero visibility.
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Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to YTstorm@ec.gc.ca or post reports on social media using #YTStorm.