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Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography

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Abstract:

Wind observations from a wind profiler located next to the crest of the Alps are used to test the ability of two Numerical Weather Prediction (NWP) models to forecast the air flow from the surface up to 3000 m above the complex topography. A statistical analysis of the Mesoscale Alpine Programme Special Observing Periods (MAP-SOP) data grouped into three main weather types is first presented. Then a foehn case study is used to illustrate the ability of NWP models to forecast strong wind events over the Alps.

Windbeobachtungen eines in der Nähe des Alpenkamms installierten Windprofilers werden verwendet, um die Fähigkeit zweier NWP Modelle zu prüfen, Luftströmungen vom Boden bis zu 3000 Metern über einer hochkomplexen Topographie vorherzusagen. Zuerst wird eine statistische Analyse vorgestellt, bei der MAPSOP Daten nach drei Wetterhaupttypen klassiert werden. Anhand der Studie einer Föhnlage wird dann die Fähigkeit von NWP Modellen zur Vorhersage von starken Windereignissen über den Alpen demonstriert.

Keywords:

Document Type: Research Article

DOI: http://dx.doi.org/10.1127/0941-2948/2001/0010-0489

Publication date: November 1, 2001

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  • Meteorologische Zeitschrift (originally founded in 1866) is the joint periodical of the meteorological societies of Austria, Germany and Switzerland. It accepts high-quality peer-reviewed manuscripts on all aspects of observational, theoretical and computational research out of the entire field of meteorology, including climatology. Meteorologische Zeitschrift represents a natural forum for the meteorological community of Central Europe and worldwide.
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