Orographic precipitation model for hydrometeorological use
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Research was performed to determine the ability to diagnose the effect of topography on winter precipitation for western Colorado over various time periods for differing wind regimes, employing upper air data and a fine-mesh topographic grid. To accomplish the objectives, a simple, operationally-oriented orographic precipitation model was developed. The model is two-dimensional, steady state, and multi-layer. It follows parcels at layer mid-points through topographically-induced moist adiabatic ascents and descents. Layer budgets of water substance are calculated by (a) allowing precipitation ...