It's a pretty textbook example of a laterally quasi-stationary band. Downstream of the trof axis, right entrance of the upper jet streak, NW of the Qn convergence, and within the max mid level frontogenesis. (RAP short term forecast pictured here). pic.twitter.com/om1Lxnf8cZ

— Chris Legro (@OceanStWx) February 7, 2021