As warm weather lingers, what that means for fall – and leaf colours

globalnews.ca:

fall, meteorologists say – and that means leaf peepers will have to wait a little while longer.“A trend of above-normal temperatures” is forecasted for the rest of September and October across the country, according to Global News meteorologist Ross Hull.“It’s going to be a warmer-than-normal (fall) for much of the country, especially eastern sections of the country,” Hull said.Dominant air masses and air flows coming up from the United States seem to be influencing these warmer-than-normal conditions, said Geoff Coulson, a warning preparedness meteorologist with Environment Canada.“Many of these air masses, especially in more southern parts of the country, are influenced by air masses coming up from the U.S.

and that certainly looks to be the dominant flow,” he said in an interview with Global News.But the warmer conditions are not going to continue throughout fall, Coulson and Hull said, as stretches of cooler weather are also expected.“It doesn’t mean that we won’t see these cold air intrusions once in a while that delivers in cooler air for a period of days, and then that warmer weather takes over after that,” Hull said.Here is what fall is looking like for different parts of the country.Central and eastern provinces have so far experienced “the driest stretch of weather” all year this September as well as above-average temperatures and those weather patterns are expected to continue for much of the region, Hull said.Much of Eastern Canada won’t be getting any typical fall storms and they won’t be as frequent, he said.However, after a lull in the Atlantic hurricane season, activity is “starting to increase.”“The one thing that we’re looking at, especially for the Maritimes in Atlantic Canada, parts of southwestern