Blizzard Warning
Dempster · from Today 7:00 PM MST
Strong wind and blowing snow will make it nearly impossible to see. Do not travel.
Prolonged blizzard conditions with near-zero visibility in blowing snow are expected.
What: Near-zero visibility in blizzard conditions.
When: This evening to Monday evening.
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 beginning this evening and lasting until Monday evening.
Winds will rise to easterly 60 km/h gusting to 80 this evening then further increase to 80 km/h gusting to 110 overnight. Wind-swept snow and falling snow combined with the strong winds will result in blizzard conditions with near-zero visibility. Winds will subside to 50 km/h gusting to 80 through Sunday and Monday but blizzard conditions will remain.
Road closures are possible.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #YTStorm.
What to do during a Blizzard Warning
- 1Don’t travelWhiteouts can strand drivers for hours.
- 2If you are stranded, stay with your carRun the engine about 10 minutes an hour for heat and keep the exhaust pipe clear of snow.
- 3Get ready for power outagesFlashlights, batteries, water and food for several days.
Winter Storm Watch vs. Warning
Blizzard Warning questions
What makes a storm a blizzard?
In the US, wind of 35 mph or more with snow that cuts visibility below a quarter mile for at least three hours. Canada uses its own regional criteria.
Does a blizzard need heavy snowfall?
No. Strong wind blowing snow that has already fallen can cause a blizzard.