Heat warning issued for Metro Vancouver

Sep 5 2017, 10:46 pm

An unseasonably warm start the school year in Metro Vancouver has prompted Environment Canada to issue a special heat warning for the region.

The agency said a strong ridge of high pressure will continue to build over the province. Temperatures in some areas are expected to reach the low to mid-30s during the day.

“Under this weather pattern, the airmass will also become increasingly stagnant,” the agency said. “Combined with developing outflow winds, wildfire smoke is expected to make its way out to the coast again.”

That being said, Environment Canada concedes that “wildfire smoke will be a wildcard factor for forecasting temperatures and may determine whether records are broken.”

This is because smoke blocks the transmission of sunlight and can significantly lower daytime highs.

The heat is expected to last until at least Wednesday and comes on the heels of an Air Quality Advisory that was issued for the Metro Vancouver and Fraser Valley region as well.

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