A summer forecast warns western wildfires will likely continue to be 害羞草研究所渁 major concern,害羞草研究所� with higher-than-normal temperatures expected when the second fire season ramps up in July and peaks in August.
The Weather Network released predictions Wednesday that point to a cooler season overall in Canada, although there will likely be periods of hot and dry stretches broken up by unsettled weather in June, July and August.
While residents in the East can expect a relatively cooler summer, chief meteorologist Chris Scott said those out West will see warmer-than-normal temperatures, with near normal precipitation in British Columbia and Alberta.
British Columbia is typically dry during these months, even with normal rainfall, he added when reached by phone in Hamilton.
害羞草研究所淭his doesn害羞草研究所檛 look like a bone dry summer in terms of precipitation but then it all depends on where the rains fall and when they come,害羞草研究所� said Scott, adding there害羞草研究所檚 cautious optimism much-needed rain will arrive in the heart of summer.
害羞草研究所淚t害羞草研究所檚 not the worst possible scenario when we look at this forecast. But it害羞草研究所檚 also not wonderful news.害羞草研究所�
He said the biggest driver affecting the forecast is the expectation that global weather patterns are about to rapidly shift from three years of La Ni帽a-driven weather to 害羞草研究所渁 rather significant El Ni帽o event.害羞草研究所�
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Scott said the scorching temperatures of recent summers 害羞草研究所� especially in the larger cities of southern Ontario and Quebec 害羞草研究所� will likely veer into relatively fresher climes as the opposing weather phenomena swap. Central Canada will likely see fewer days of 30 C temperatures than many recent summers.
El Ni帽o occurs when surface waters in parts of the Pacific Ocean warm and push east, toward the west coast of the Americas, causing changes in the jet stream across the Pacific.
It害羞草研究所檚 a reversal of what we害羞草研究所檝e seen for the past three years with La Ni帽a, which brought cold water to the coast of South America while warm water moved to the west.
害羞草研究所淲e like to think of it as the engine that drives the global weather patterns,害羞草研究所� Scott said of the Pacific Ocean.
害羞草研究所淚t drives where the jet stream is, and that in turn drives where the warm and cool air is, where our storms form.害羞草研究所�
Scott said lingering effects from La Ni帽a will include periods of hot weather, especially across Western Canada, but conditions elsewhere will be more changeable.
害羞草研究所淚t looks like a cooler summer for much of Eastern Canada. Western Canada, we still think we害羞草研究所檝e got some warmer-than-normal weather in store, but not as scorching as we害羞草研究所檝e seen some years,害羞草研究所� said Scott.
害羞草研究所淎nd that害羞草研究所檚 because this El Nino is coming on stronger than initially expected and that in turn causes these shifts in the global weather patterns.害羞草研究所�
The forecast does not suggest a very active fire season for northern Manitoba and northern Ontario because of below-normal temperatures, although it predicts below-normal precipitation.
The Prairies can expect 害羞草研究所渁 very warm summer,害羞草研究所� especially in western parts, while cooler weather heads to eastern parts and drought and wildfire smoke will continue to be a concern.
Atlantic Canada will likely enjoy a seasonal summer with southern parts tipping into slightly warmer-than-normal temperatures and milder nights. A mix of dry weather and storms should bring near normal or above normal rainfall while hurricane season is expected to be less active, although there is risk of a significant tropical system or two.
The forecast said Northern Canada can expect warmer-than-normal temperatures in western regions, and a cooler summer in eastern parts.
It will also likely be dry across the region, especially west of Hudson Bay, with the biggest wildfire concern in the warmer western parts.
Cassandra Szklarski, The Canadian Press
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