Articles about seasonal trends and expectations
The science of atmospheric rivers, the Pineapple Express, and how moisture corridors from Hawaii trigger devastating floods in British Columbia.
Understanding the scientific differences between radiation and advection fog, and why Newfoundland's Grand Banks is the foggiest place on Earth.
The physics of supercell updrafts, hailstone growth rings, and the extreme weather events that cost Alberta billions of dollars.
The science behind explosive cyclogenesis, the Gulf Stream collision, and the devastating winter blizzards that hit Atlantic Canada.
How the jet stream acts as the atmospheric highway guiding winter storms, Alberta clippers, and Colorado lows across Canada.
What is the polar vortex? Learn the science behind the atmospheric patterns that plunge Canada into extreme deep-freeze conditions.
How southern Alberta's dramatic temperature shifts are driven by mountain-created Chinook winds.
How the warm open waters of the Great Lakes clash with freezing Arctic air to create Ontario's legendary winter snowsqualls.
Meteorologists release the official winter outlook for Canada. Find out if La Niña will bring record snow to your province.
What is the difference between these two ocean phenomena, and how do they determine our Canadian winters?
From blizzards in Saskatchewan to freezing rain in Ontario — our comprehensive guide helps Canadians prepare for the harshest winter conditions.
Autumn in Canada brings spectacular foliage, cooling temperatures, and the year's most unpredictable weather. Here's your regional guide to Canadian fall.
The WeatherCA blog brings you in-depth reports and warnings on the atmospheric patterns shaping Canadian life. From understanding extreme heat risks and humidex ratings, to winterizing your home against severe blizzards, we translate complex weather systems into practical guidance.
Our bilingual seasonal updates cover ice conditions on the Great Lakes, spring flooding timelines across Ontario and Quebec, and top travel advisories during storm-watching season on Vancouver Island. Bookmark our blog, share safety guides with loved ones, and prepare for the elements with confidence.