2009 wind speed variance from long-term average.
Photograph: 3TIER
El Niño climate pattern shows effect on US winds
A semi-regular climate pattern occurring over the Pacific Ocean contributed to wind speeds that were as much as 10% above or below long-term averages in different parts of the US last year, with the effect intensifying in the fourth quarter.
You have reached your 2 free articles quota
Login
Forgot your password?Published: Friday, February 5 2010
