Objective Calculations of Divergence, Vertical Velocity and Vorticity

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  • 1 Department of Meteorology, University of Chicago
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Methods of calculating horizontal divergence, vertical velocity and vorticity directly from wind observations without analyzing the wind field are presented. The appropriate formulae for these quantities in terms of the finite areas or volumes determined by the observation points are derived. Convenient nomographs and tabular forms for their calculation are described and illustrated.

* Present address: Cook Research Laboratories, Inc., 1457 Diversey Parkway, Chicago, Ill.

Methods of calculating horizontal divergence, vertical velocity and vorticity directly from wind observations without analyzing the wind field are presented. The appropriate formulae for these quantities in terms of the finite areas or volumes determined by the observation points are derived. Convenient nomographs and tabular forms for their calculation are described and illustrated.

* Present address: Cook Research Laboratories, Inc., 1457 Diversey Parkway, Chicago, Ill.

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