Rare November Tornadoes Hit New Brunswick, Shocking Locals with Unseasonal Weather

Rare November Tornadoes Hit New Brunswick Shocking Locals with Unseasonal Weather

Rare November Tornadoes Hit New Brunswick, Shocking Locals with Unseasonal Weather

In a highly unusual turn of events, New Brunswick witnessed not one, but two tornadoes touch down on November 1, a phenomenon almost unheard of so late in the year for Canada. This unexpected weather event startled residents in the towns of Harvey and Sheffield, as these rare November twisters brought an intense jolt to the otherwise calm fall season. Even though Canada’s tornado season typically wraps up in August, the surprise storms managed to create what some are calling a “Halloween hangover” for the region, defying the norms of Canadian weather.

New Brunswick is no stranger to extreme weather, but tornadoes are exceedingly rare, with only about one reported annually across the entire province. With these two added, the 2024 tally now stands at four, a number that has definitely caught the attention of meteorologists. The Northern Tornadoes Project (NTP), a Canadian research group, quickly confirmed these two tornadoes, marking them as historic due to the month they occurred. This isn’t just a rare local event; historically, November tornadoes in Canada are a rarity, with only eight recorded across the country since 2001. In fact, the last record of a November tornado in Canada was back in 2013 near Prescott, Ontario, when an EF1 tornado touched down.

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The recent tornadoes have set a new record in New Brunswick, breaking a decades-old mark. Previously, the latest tornadoes to strike the province had been on September 21, 1965, in Grand Falls. This year’s unique November storms reflect just how unusual this occurrence is for Canada, where the seasonal conditions in fall typically don’t create the right kind of weather patterns that spawn tornadoes. In the United States, however, fall tornadoes are more common as cold, dry air from the north meets humid air from the Gulf of Mexico, generating powerful thunderstorms and, often, tornado outbreaks. In contrast, Canada rarely sees tropical air from the Gulf reach this far north to trigger the kind of turbulent weather needed for tornado formation.

So, what caused these twisters to form? This past Halloween brought record-breaking warmth to Eastern Canada, as temperatures soared above seasonal norms, making for a surprisingly hot end to October. A swift, powerful cold front rolled in the following day, colliding with the lingering warmth. This collision triggered thunderstorms over New Brunswick, creating the conditions necessary for tornadoes to develop. While rare, this event is a reminder that the unusual interplay of weather patterns can produce surprising—and sometimes extreme—outcomes.

The NTP team plans to survey the areas impacted by these tornadoes to assess the level of damage and assign official tornado ratings. This investigation will provide valuable insights into the strength and scope of these storms, helping researchers better understand these rare fall tornadoes and the changing dynamics of severe weather in Canada.

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