Mean Wind Speed and Prevailing Direction (June, July and August): 1971 to 2000

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 The prevailing wind direction during the summer is from west to east in most of Alberta. An exception is in the far north of Alberta where cold, dry air from the continental polar air mass blows from the north to south. Maritime polar air creates a southwest flow in the summer. It is not uncommon for winds to reverse from east to west as a result of maritime tropical air masses.

Mean wind speed varies from between 16 and 18 km per hour in the southwest corner of Alberta to less than 8 km per hour farther north and in the mountains.

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This document is maintained by Laura Thygesen.
This information published to the web on April 4, 2003.
Last Reviewed/Revised on May 16, 2017.