2002 Annual

Tuesday, 15 January 2002: 9:30 AM
Brian Hoskins, Univ. of Reading, Reading, Berks., United Kingdom
Dick Reed's early studies on fronts and frontogenesis emphasised his perspective that the cyclone provides the background for frontogenesis, his view that fronts come in many forms, and his idea that potential vorticity is a key variable to consider. The impact of these ideas, along with those of Sawyer and Eliassen on cross-frontal circulation, will be discussed. The main emphasis in this talk will be on lower tropospheric fronts. Particular questions that will be raised are the level of our present understanding of what limits the strength of fronts, the two-way interaction between the dynamics and other physical processes, and when frontal waves form.

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