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As July ended, Ottawa was lastly seeing so-called normals for this time of 12 months — highs of 26 C and lows of 16 C.
“Now it has cooled off a little bit bit, it’s far more snug,” Phillips stated, however “I regarded on the newest forecast for Ottawa and it exhibits the month of August being hotter than regular and drier than common.”
August tends to be a few diploma cooler than July “but it surely nonetheless can have a big variety of days above 30 C.”
Saturday is predicted to hit 30 C, however the forecast contains temperatures within the low to mid-20s and the chance of rain from Sunday by Thursday.
Utilizing measurements from the Ottawa Worldwide Airport, the place data return to 1938, this summer time has seen a string of record-breaking daily highs, lingering warmth waves and heat nights that make it arduous to chill off.
Accountable? A dome of excessive strain that Phillips likens to the Rogers Centre sitting over Canada’s japanese half, protecting climate methods from shifting.
Contributing elements might embrace sea floor temperatures and a jet stream that’s usually farther north of us, however the summer time of 2020 may very well be a “costume rehearsal” of what local weather change fashions recommend we will anticipate sooner or later.
A research funded by the Nationwide Capital Fee and the Metropolis of Ottawa this 12 months, for instance, predicted 2.5 instances extra days with highs of 30 C or increased by the 2030s and 6.5 instances as many by the 2080s.