Parametric subharmonic instability in the low potential vorticity bottom boundary layer

Jacob O Wenegrat1, Logan P. Knudsen1, Jamie Hilditch2 and Leif N Thomas3, (1)University of Maryland College Park, Atmospheric and Oceanic Science, College Park, United States, (2)Stanford University, Department of Earth System Science, Stanford, United States, (3)Stanford University, Stanford, CA, United States