Canadian tropical cyclone season summaries
Summaries of past tropical cyclone seasons in Canada that include information about various storms, their paths and locations, as well as their impacts.
Tropical cyclone season summary 2025
Canadians were mostly unaffected during the 2025 tropical cyclone season. Only two storms of tropical origin affected Canadian territory during this season. In August, the waves of Hurricane Erin, which tracked well south of Atlantic Canada, generated dangerous surf conditions along the Atlantic Coast of Nova Scotia which caused little to no impact for Canadians. It wasn’t until the very peak of Hurricane season that another storm graced our shores. At the very end of October and into the first few hours of November, Melissa, a once category-5 hurricane, transitioned to post-tropical. Melissa tracked over southeastern Canadian waters which brought rain to the Avalon Peninsula in Newfoundland. St. John’s and other areas on the Avalon Peninsula received 30 to 50 mm of rain in a short period of time. The strongest winds stayed offshore and there were no impacts from wind over land. The Canadian Hurricane Centre was activated, and bulletins were sent over a period of 5 days. The remainder of the hurricane season was active but only in the deep tropics with no impacts in Canada.
Tropical cyclone season summary 2024
Three storms of tropical origin affected Canadian territory during the 2024 tropical cyclone season. They produced minimal wind impacts but significant rainfall for the regions of Quebec and Ontario. Hurricane Beryl formed on June 28 and was deemed a Category-5 by July 2. It quickly began setting records as the earliest storm of such intensity seen in the Atlantic Ocean region and the farthest-east. Beryl made landfall near Houston, Texas and then tracked northeastward through the continental U.S where it transformed into a post-tropical low-pressure system. On July 10, torrential rains related to the remnants of Beryl brought plenty of urban flooding to southern Ontario and Quebec. Totals of 50 to 100 mm of rain fell over the span of about 6 hours.
Debby struck Florida in early August as a Category-1 Hurricane then made a second landfall in South Carolina bringing very heavy rainfall. Debby underwent transition to a post-tropical storm as it tracked across the Appalachian Mountains, and then eventually into southern Quebec where substantial amounts of rain fell causing significant flooding in Montreal. The worst hit areas were western Montreal/Dorval with 160 mm and 221 mm northeast of Montreal in Lanoraie. Severe flash flooding in the Mauricie region north of Trois-Rivieres led to a tragic death in the area. A brief period of gusty winds also occurred with Debby over southern Quebec resulting in some power outages.
Hurricane Ernesto produced large waves that reached coastal Nova Scotia and Newfoundland and Labrador in mid-August after striking Bermuda. Ernesto tracked south of the Avalon Peninsula as a hurricane then became a post-tropical low-pressure system as it crossed the Grand Banks. Large waves reached the coast of southeast Newfoundland and Labrador and the offshore oil region on the Grand Banks and there was a brief period of heavy rain that fell over the Avalon Peninsula. Rainfall between 40 and 75 mm was recorded from a combination of Ernesto and a prior weather system. The remainder of the hurricane season was active but only in the deeper tropics with no impacts in Canada.
Detailed summaries and earlier seasons
For a more detailed version of the summaries above or for any year in the Canadian Hurricane Centre archives, please contact: sommccpo-chcsumm@ec.gc.ca