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- Author or Editor: R. O. N. A. L. DD. McPHERSON x
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Abstract
A primitive-equation fine mesh limited-area barotropic model has been integrated using time steps of 0.5 hr. The increased time step possible and the reduction in computation time are due to the implicit treatment of the terms governing gravity waves in the difference equations. Comparative integrations of the semi-implicit model and an explicit model show only minor differences in a 24-hr forecast, but the former achieves a time advantage of 3.5:1.
Abstract
A primitive-equation fine mesh limited-area barotropic model has been integrated using time steps of 0.5 hr. The increased time step possible and the reduction in computation time are due to the implicit treatment of the terms governing gravity waves in the difference equations. Comparative integrations of the semi-implicit model and an explicit model show only minor differences in a 24-hr forecast, but the former achieves a time advantage of 3.5:1.