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Forecasting the air pollution episode potential in the Canary Islands

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Author(s): C. Milford | C. Marrero | C. Martin | J. J. Bustos | X. Querol

Journal: Advances in Science and Research
ISSN 1992-0628

Volume: 2;
Start page: 21;
Date: 2008;
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ABSTRACT
In the frame of the WMO Global Atmosphere Watch Urban Research Meteorology and Environment programme (GURME), a system for forecasting air pollution episode potential in the Canary Islands has been developed. Meteorological parameters relevant to air quality (synoptic wind speed, wind direction, boundary layer height and temperature at 91 vertical levels) are obtained from the European Centre for Medium range Weather Forecasting (ECMWF) once a day for up to four days ahead. In addition, a model based on the analogue method utilising six years of historical meteorological and air quality data predicts the probability of SO2 concentration exceeding certain thresholds for a measurement station located in Santa Cruz de Tenerife. Meteorological forecasts are also provided from a high resolution (2 km) local area model (MM5) implemented for the Canary Islands domain. This simple system is able to forecast meteorological conditions which are favourable to the occurrence of pollution episodes for the forthcoming days.

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