Renewable energy analyst 3TIER said that the increase shown by its wind performance map is largely due to the "La Niña phenomena" and matches forecasts released in early October.
The map shows wind speeds were 5-30% above their long-term averages across the western and northeastern United States, the Great Lakes, and eastern provinces of Canada.
The upper Midwest and central Canada experienced wind speeds 5-15% below normal.
The La Niña phenomenon is when cooling surface temperatures in the eastern Pacific causes above average wind speeds in the western US and below average wind speeds in western Texas, the Midwest and the northeast seaboard.
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