Environment and Climate Change Canada has revealed its winter forecast and is predicting a warm start to the season in Western Canada, followed by normal to below normal temperatures.
Those in Northern and Eastern Canada are looking at close to or above normal temperatures.
This year we are shifting into a La Niña winter, which often brings distinct weather conditions to Canada.
La Niña happens when stronger-than-normal trade winds push warm surface water westward in the Pacific, allowing cooler, deeper water to rise near the South American coast.
This results in cooler-than-average sea temperatures in the central and eastern tropical Pacific.
As winters trend warmer due to climate change, this year’s La Niña is expected to be weaker and less pronounced.
However, the cooling effect will still be felt in western and northwestern Canada.
Environment Canada says the country is warming at roughly double the global rate, and even more in the north, which leads to more frequent and intense extreme weather events.
Beginning this winter, Environment and Climate Change Canada will be using what they call a “Rapid Extreme Weather Event Attribution System” to analyze the connection between human-caused climate change and the odds of extreme cold temperature events.
The United Nations’ World Meteorological Organization confirmed in a provisional report that 2024 is set to be the warmest on record, with global temperatures rising 1.54 degrees Celsius above pre-industrial levels.
Las Niñas appear approximately every three to five years and typically last one to two years.
To learn more, visit Government of Canada.
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