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This study analyzes over 1300 wind energy developments and their effects on NWS radar operations. Wind Turbine Clutter (WTC) can lead to erroneous precipitation estimates and false alarm warnings, obscuring severe weather signatures. While there is no legal authority to prevent wind energy development, the wind energy industry has been cooperative. A 4 km "No Build Zone" has been established around the NWS radar centers.
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Impact of Wind Turbines5.2.12 March 1, 2017 Christina Horvat NWS Radar Operations Center
Wind Turbine Interference • Since 2007 • More than 1300 developments analyzed to date • Wind Turbine Clutter (WTC) causes erroneous precipitation estimates, “nuisance” clutter • Can result in false alarm warnings or obscure severe weather signatures • No legal authority to prevent a wind energy development • Wind energy industry, overall, has been cooperative • ROC established 4 km “No Build Zone”