Application of low-resolution ETA model data to provide guidance to high impact weather in complex terrain

Abstract:

Peruvian ETA-model data is available for guidance at Peruvian Hydro-meteorological service (SENAMHI). The application of rather low resolution (22 km grid) data is not straight forward in complex terrain in terms of topography, climatic zones and sharp land-sea gradient. Finnish Meteorological institute and Peruvian Meteorological Service (SENAMHI) have a common project to tackle this problem among others. SENAMHI ETA model has 22 km grid length for Peru. It runs twice a day (00z and 12z) and the GFS global model data is used for the lateral boundary conditions. No data assimilation is made. The data is used as guidance in operational weather service and the results are published at SENAMHI web pages. The applicability of the data is evaluated and if some problems are encountered a solution will be searched. So far the data has been partly verified and tests with Kalman filter have started. The test …

Año de publicación:

2011

Keywords:

Fuente:

google