Wind Turbines and Clouds – Another Human Climate Forcing

Figure caption: Normally invisible, wind wakes take shape in the clouds behind the Horns Rev offshore wind farm west of Denmark. (Credit: Photo courtesy of Vattenfall)

In my posts

Comments On A Study By Ron Prinn and Chien Wang On The Effect Of Wind Turbines On Climate

Significance And Correction Of Misinterpretation By The Media Of The Zhou Et Al 2012 Paper “Impacts Wind Farms On Land Surface Temperature”

New Paper “Impacts Of Wind Farms On Land Surface Temperature” By Zhou Et Al 2012 Documents An Effect Of Local And Regional Landscape Change On Long Term Surface Air Temperature Trends

I presented a discussion of how local near surface temperatures can be affected by wind turbines, but not larger scale weather. However, a photograph  provides evidence of a larger scale effect (due the creation of clouds). Such clouds could travel large distances from where they are generated. These clouds are formed when the mixing layer height is reached as a result of vertical mixing; i.e. see Section 4.2.7 in

Pielke Sr., R.A. 2002: Synoptic Weather Lab Notes. Colorado State University, Department of Atmospheric Science Class Report #1, Final Version, August 20, 2002.

The figure at the top of this post from the article

Wind Turbines: In the Wake of the Wind 

This is an example of how wind turbines can feedback and directly affect at least local and nearby regional weather (and, therefore, climate).

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