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

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 Spe...

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Main Authors: Dominique Ruffieux, René Stübi
Format: Article
Language:English
Published: Borntraeger 2001-12-01
Series:Meteorologische Zeitschrift
Online Access:http://dx.doi.org/10.1127/0941-2948/2001/0010-0489
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author Dominique Ruffieux
René Stübi
author_facet Dominique Ruffieux
René Stübi
author_sort Dominique Ruffieux
collection DOAJ
description 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.
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spelling doaj.art-1ec888bfa193438d84bcf70936c6eb702024-02-08T08:37:11ZengBorntraegerMeteorologische Zeitschrift0941-29482001-12-0110648949510.1127/0941-2948/2001/0010-048949205Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topographyDominique RuffieuxRené StübiWind 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.http://dx.doi.org/10.1127/0941-2948/2001/0010-0489
spellingShingle Dominique Ruffieux
René Stübi
Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
Meteorologische Zeitschrift
title Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
title_full Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
title_fullStr Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
title_full_unstemmed Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
title_short Wind profiler as a tool to check the ability of two NWP models to forecast winds above highly complex topography
title_sort wind profiler as a tool to check the ability of two nwp models to forecast winds above highly complex topography
url http://dx.doi.org/10.1127/0941-2948/2001/0010-0489
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