A “Heat dome” over western Canada broke new temperature records, triggering heat alerts in three provinces and two arctic territories on Sunday, June 27.
More than 40 new temperature records were set in British Columbia over the weekend, including the Whistler ski resort. And the high pressures trapping hot air in the region are expected to continue to break records during the week.
“A prolonged, dangerous and historic heat wave”
Environment Canada has issued alerts for British Columbia, Alberta and parts of Saskatchewan, the Yukon and the Northwest Territories.
“A prolonged, dangerous and historic heat wave will persist throughout this week”, Environment Canada said. “Afternoon temperatures will exceed thirty degrees on Sunday, peaking nearly 40 degrees in some areas mid-week.”, adds the organization. It’s ten to fifteen degrees higher than normal.
The highest temperature on record in Canada was 45 ° C in two Saskatchewan cities on July 5, 1937, a record that could be broken in the coming days.
“It’s hotter in parts of western Canada than in Dubai”, said Environment Canada’s chief climatologist David Phillips.
Stores are out of stock of air conditioners and fans, while cities have opened cooling centers and Covid-19 vaccination campaigns have been canceled.
44 ° C forecast in Portland, USA
This heat wave ” unprecedented “ also affects the northwest of the United States. This is how the US National Meteorological Service described the historic heat wave that hit the Pacific Northwest, causing daytime temperatures to rise in places where many residents lack air conditioning.
The forecast temperature for Sunday in Portland, Oregon, was 44 ° C, and the forecast calls for the same temperature for Monday. The temperature is expected to hit an all-time high of 40C at the Seattle-Tacoma International Airport on Sunday and surpass it to hit the all-time high of 43.9C on Monday, as the excessive heat alert continues in the region.