The Dynamics of Boundary layer jets within the tropical cyclone core. part 1: linear theory, Jeff Kepert, JAS vol 58 1 sept 2001 pp 2469-2483 BL flow in TC, extension of classical Ekman boundary layer model, an Ekman-type model may be appropriate in tropical cyclones since diurnal effects are weak or absent, turbulence is dominatedly shear-generated, and baroclinicity is weak. Shapiro 1983, the asymetric boundary leter under a translating hurricane. JAS 40 1684-1998 slab model Powell M.D. 1980 Evaluations of diagnostic marine boundary layer models applied ot hurricanes. MWR 108 757-766 LCL Hock TF and JL Franklin, 1999: The NCAR GPS dropwindsonde. BAMS, 80, 407-420 GPS dropwindsondes Smith, 1968: The surface boundary layer of a hurricane. Tellus, 20, 473-483