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Weather Blogs / Canadian weather

2018 fall outlook for Canada

By Brett Anderson, AccuWeather senior meteorologist

Published Aug 27, 2018 1:03 PM EST | Updated Aug 27, 2018 1:03 PM EST

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<strong>Warmth to linger well into fall across much of southern Canada.
</strong>
<u>

<img src="https://vortex.accuweather.com/adc2004/pub/includes/columns/miscellaneous/2018/590x331_08271351_2018-canada-autumn-temps.jpg"/>

<img src="https://vortex.accuweather.com/adc2004/pub/includes/columns/miscellaneous/2018/590x331_08271352_2018-canada-autumn-precip.jpg"/>

Some key points in regards to the forecast...........</u>

-- Weak El Nino conditions are anticipated for early fall. El Nino may become moderate in strength by late fall.

-- Fall color may be delayed in many regions due to lingering warmth and soil conditions.

-- Warm and generally dry conditions to dominate across the southern Prairies. This may be beneficial to the early fall harvest.

-- High fire danger likely to linger through early fall across much of western Canada with smoke continuing to be an issue, especially from southern BC through the southern Prairies. I also see an increased fire danger for Quebec.

-- Projected weather patterns favor a later-than-usual frost/freeze across much of southern Canada.

-- Above-normal surface water temperatures off BC and the Maritime Provinces will also have a modifying influence on temperatures, especially at night, this fall.

-- Risk of a land-falling tropical cyclone along Atlantic Canada coast is below average.

-- Primary storm track will direct most of the storms and wind up into the northern half of BC and southwestern portions of the Yukon Territory.

-- Plenty of opportunities for showers and late-season thunder around the Great Lakes.

-- Unusually warm waters around the Great Lakes will limit cooling across the region. However, any late-season outbreaks of cold weather could lead to an increased risk of cold rain squalls and waterspouts.

-- Best opportunity for early season cold outbreak appears to be across far northern Quebec into Labrador.

-- Advancement of sea ice across the far north will be slower than usual once again.

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Canadian weather
Brett Anderson
Brett Anderson covers short-term and long-term weather and storm forecasts for Canada.
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