Canada's top 10 weather stories of 2023: Wildfires, smoky skies, a record hot summer and more

Every year, Environment and Climate Change Canada (ECCC) ranks the top 10 Canadian weather stories. Senior climatologist David Phillips compiles the list and this year, there was no doubt about what would take the number one position: the record-setting wildfires.

"There's no drum roll here," Phillips said.

"The fires dominated everything.... In 28 years of putting together [this list], it's never been a more obvious number one."

Wildfire season got an early start due, in part, to thepersistent drought conditions across B.C. and in the west in general.

Combined with hot weather, the result was conditions thatwere perfect for wildfires.

The season was dominated by the wildfires in the west and North. In total, more than 235,000 Canadians were forced to evacuate theircommunities.

But the blazes were happening from coast to coast to coast.

For example, in Halifax, 18,000 people had to flee their homes in late May; eventually, the provincial government banned all activities in the forests, including camping, hiking and fishing. Days later,the city of Sept-Iles, Que., located about 750 kilometres northeast of Quebec City, issued a state of emergency and 5,000 people were forced out of their homes.

By June 27, Canada had already blown past its historic record fortotal area burned. By theend of wildfire season, 184,493 square kilometres had burned, the equivalent of almost 1.4 times the combined size of the three Maritime provinces, Phillips noted, making it the worst fire season in our country's history.

On Aug. 16, the city of Yellowknife issued an evacuation order to its 20,000 residents, who sought safety in B.C., Alberta, and Manitoba.

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"I was really impressed by the people in Yellowknife," Phillips said. "Two-thirds of the population left, and then they had to go to places like Winnipeg.... And the anxiety of the thing. Are my property and possessions going to still be there? And no news about what state they were in for, like, three weeks."

While there were no civilian casualties, at least four firefighters died while battling the blazes.

But the wildfires had another consequence.

Smoky skies

The wildfires produced smoky skies that extended across Canada and the planet.

Thick smoke hung in the air above many parts of the U.S. New York City looked like a scene out of an apocalyptic movie. At one point, the New York Post somewhat playfully blasted a front-page headline that read "Blame Canada!" a nod to a song from South Park.

The smoke reached as far south as Florida.

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"You know, the fact that the world was paying attention to Canada, weather-wise it wasn't just in a curiosity kind of way," Phillips said. "No. It had consequences for 100 million Americans. We saw those headlines in New York Cityand over in Europe,and people were in disbelief when I talked to [them]."

Thick smoke covered southern Ontario and Quebec and could even be smelled in the air. At the end of June, Montreal had some of the worst air quality on the planet 38 times the World Health Organization's guidelines.

And in Ottawa, the air quality became so bad that the Summer Solstice Indigenous Festival'soutdoor festivities and the Dragon Boat Festival were shut down.In parts of southwestern Ontario, mail delivery was put on hold. Face masks were once again donned, this time not to protect against a virus but against toxic air.

Hottest summer

The planet was hot this year. It's anticipated that 2023 will be the hottest year on record, beating out 2016's record of 1.03 C above pre-industrial warming.

That was helped by global record-setting summer temperatures. June, July and August recorded the hottest monthly temperatures ever. Andit showed no signs of abating, with September, October and November ranking the warmest months as well.

While it was the hottest summer globally the hottest day ever recorded on Earth was July 7 Canada set its own record.

It was the hottest summer in 76 years 2 C warmer than average going back to when national record-keeping began in 1948.

Even ocean temperatures were hot. Between July 17 and Aug. 7, the Canadian Atlantic ocean surface temperature was 3 C to 5 C above normal.

However, there was one tiny part of the country that didn't see any abnormalsummer heat at all.

"Inthe dog days of summer, from July the 15th to the middle of August and into Labour Day, there were no days above 30 C in Montreal, Toronto, Ottawa," Phillips said. "And I thought that is the first time. I mean, we always have days above 30 in August none this year."

That doesn't mean it didn't hit 30 C in those cities at all.

"We had them in April, and we had them in Septemberand October. So we ended up with the longest summer on record."

No shortage of weather stories

While these were the top three weather stories, there were plenty more, including flooding in Nova Scotia (after dealing with fires), dry weather in the west and Hurricane Lee.

Here is the list:

1. The year for record wildfires
2. Canada cloaked in smoke
3. Hottest summer,both on Earth and in Canada
4. Deadly deluge in Nova Scotia
5. Canada dry in the west and wet in the east
6. Hurricane Lee no Fiona, but more than a windy day
7. April glaze storm in Montreal-Ottawa - more beast than beauty
8. Cold spells in a warm year
9. Flooding out: Quebec's record wet July
10. Canada Day tornado in Alberta

As for what lies ahead for 2024, it's anyone's guess, especially with this year's presence of El Nio.

"People often ask me, 'Well, gee, what's your forecast for next year?' And I usually say, 'Well, more of the same,.'But I'd be careful to not say that because [this] was such an unusual, expensive and impactful year for Canadians," Phillips said.

El Nioshave often been a two-year phenomenon, with the impacts taking off in the second year, he said. That trend is being considered by forward-looking experts at places like World Meteorological Organization andEuropean Climate and Health Observatory, he said.

"People have speculated ...that there's a better chance that next year will be warmer than this year."

You can read ECCC's full list here.