THE EFFECTS OF VERTICAL VORTICITY ADVECTION AND TURNING OF THE VORTEX TUBES IN HEMISPHERIC FORECASTS WITH A TWO-LEVEL MODEL

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  • 1 Joint Numerical Weather Prediction Unit, Suitland, Md.
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Abstract

A 2-parameter forecasting model which includes the effects of vertical vorticity advection and turning of the vortex tubes is briefly described. Contributions of the above-mentioned terms are discussed and an example is presented.

The importance of consistent truncation over a large grid is pointed out.

Present affiliation : Navy Numerical Weather Problems Group, U.S. Naval Postgraduate School, Monterey, Calif.

Abstract

A 2-parameter forecasting model which includes the effects of vertical vorticity advection and turning of the vortex tubes is briefly described. Contributions of the above-mentioned terms are discussed and an example is presented.

The importance of consistent truncation over a large grid is pointed out.

Present affiliation : Navy Numerical Weather Problems Group, U.S. Naval Postgraduate School, Monterey, Calif.

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