A Polar Low over the Japan Sea on 21 January 1997. Part I: Observational Analysis Fu, Gang ; Niino, Hiroshi ; Kimura, Ryuji ; Kato, Teruyuki Abstract Publication: Monthly Weather Review Pub Date: 2004 DOI: 10.1175/1520-0493(2004)132<1537:APLOTJ>2.0.CO;2 Bibcode: 2004MWRv..132.1537F