Free Content The general observation period 2007 within the priority program on quantitative precipitation forecasting: Concept and first results

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Abstract:

In the year 2007 a General Observation Period (GOP) has been performed within the German Priority Program on Quantitative Precipitation Forecasting (PQP). By optimizing the use of existing instrumentation a large data set of in-situ and remote sensing instruments with special focus on water cycle variables was gathered over the full year cycle. The area of interest covered central Europe with increasing focus towards the Black Forest where the Convective and Orographically-induced Precipitation Study (COPS) took place from June to August 2007. Thus the GOP includes a variety of precipitation systems in order to relate the COPS results to a larger spatial scale. For a timely use of the data, forecasts of the numerical weather prediction models COSMO-EU and COSMO-DE of the German Meteorological Service were tailored to match the observations and perform model evaluation in a near real-time environment. The ultimate goal is to identify and distinguish between different kinds of model deficits and to improve process understanding.

German
Im Jahr 2007 fand die sogenannte General Observation Period (GOP) als Teil des Schwerpunktprogramms "Quantitative Niederschlagsvorhersage" (PQP) statt. Durch die Optimierung existierender Beobachtungen konnte ein umfangreicher Datensatz von in-situ- und Fernerkundungsdaten mit Schwerpunkt auf Variablen des Wasserkreislaufes über ein volles Jahr gewonnen werden. Das GOP-Gebiet umfasste Zentraleuropa mit zunehmendem Fokus zum Schwarzwald, wo von Juni bis August 2007 das Feldexperiment COPS (Convective and Orographically-induced Precipitation Study) stattfand. Die GOP konnte dabei verschiedenste Arten von Niederschlagsereignissen beobachten und soll so COPS mit zeitlich und räumlich weiterreichenden Resultaten ergänzen. Um eine zeitnahe Nutzung der Daten zu ermöglichen, wurden die operationellen Vorhersagen der numerischen Wettervorhersagemodelle COSMO-EU und COSMO-DE des Deutschen Wetterdienstes so aufbereitet, dass eine Modellevaluierung nahezu in Echtzeit möglich wurde. Das Ziel dabei ist die Identifizierung und Unterscheidung verschiedener Modelldefizite zur Verbesserung des Prozessverständnisses.

Document Type: Research Article

DOI: http://dx.doi.org/10.1127/0941-2948/2008/0336

Publication date: December 1, 2008

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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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