Flood and Drought Portal
As part of the UNCCD Drought Toolbox in partnership with UNEP-DHI, a basic monitoring system is available with nearly real-time freely available data for drought assessments to facilitate the generation of custom reports.
Information sources
Indicator
Standardized Precipitation Index (SPI), 2000 - present
Effective Drought Index (EDI), 2001 - present
Normalized Difference Vegetation Index (NDVI), 2000 - present
Vegetation Condition Index (VCI), 2000 - present
Soil water index (SWI), 2007 - present
Vegetation health index (VHI), 2000 - present
Agricultural Stress Index (ASI), 1984 - present
Tropical Rainfall Measuring Mission (TRMM) 2000 - present
Combined Drought Index (CDI)