The indicator provides robust forecasts of the occurrence of on unusual dry or wet precipitation conditions over the next month. It is computed based on the forecasted Standardized Precipitation Index (SPI-1), derived from the long-range (i.e. seasonal) forecast system (SEAS5) of the European Centre for Medium-Range Weather Forecasts (ECMWF). This indicator is calculated using a reference period between the year 1981 and 2010. It has a spatial resolution of 1 decimal degree and a temporal resolution of 1 month.
- EDO European and Global Drought Observatories
How to cite
European Centre for Medium-Range Weather Forecast, ECMWF; European and Global Drought Observatories, EDO (2021): GDO Indicator for Forecasting Unusually Wet and Dry Conditions SPI-1 (version 1.0.0). European Commission, Joint Research Centre (JRC) [Dataset] PID: http://data.europa.eu/89h/e8e8f841-914d-4eab-801f-b61ee2feab14
POLYGON((180 90,-180 90,-180 -90,180 -90,180 90))
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