Articles | Volume 6, issue 4
Wind Energ. Sci., 6, 1015–1030, 2021
Wind Energ. Sci., 6, 1015–1030, 2021
Research article
28 Jul 2021
Research article | 28 Jul 2021

WRF-simulated low-level jets over Iowa: characterization and sensitivity studies

Jeanie A. Aird et al.

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Cited articles

Aird, J. A., Barthelmie, R. J., Shepherd, T. J., and Pryor, S. C.: WRF-Simulated Springtime Low-Level Jets Over Iowa: Implications for Wind Energy, J. Phys. Conf.-Ser., 1618, 062020,, 2020. 
American Clean Power: US Wind Industry Fourth Quarter 2019 Market Report, available at: (last access: 20 March 2021), 2020. 
Andreas, E. L., Claffey, K. J., and Makshtas, A. P.: Low-level atmospheric jets and inversions over the western Weddell Sea, Bound.-Lay. Meteorol., 97, 459–486,, 2000. 
Baas, P., Bosveld, F. C., Klein Baltink, H., and Holtslag, A. A. M.: A climatology of nocturnal low-level jets at Cabauw, J. Appl. Meteorol. Clim., 48, 1627–1642,, 2009. 
Banta, R. M., Newsom, R. K., Lundquist, J. K., Pichugina, Y. L., Coulter, R. L., and Mahrt, L.: Nocturnal Low-Level Jet Characteristics Over Kansas During Cases-99, Bound.-Lay. Meteorol., 105, 221–252,, 2002. 
Short summary
Low-level jets (LLJs) are pronounced maxima in wind speed profiles affecting wind turbine performance and longevity. We present a climatology of LLJs over Iowa using output from the Weather Research and Forecasting (WRF) model and determine the rotor plane conditions when they occur. LLJ characteristics are highly sensitive to the identification criteria applied, and different (unique) LLJs are extracted with each criterion. LLJ characteristics also vary with different model output resolution.