Monitoring and Early WarningSave
Maps providing monthly updated, distributed information on rainfall, actual evapotranspiration, radiation, drought and desertification indices, and crop yield forecasts for Africa and Europe, with methodology discussions. http://www.earlywarning.nl/
NOAA's Drought Information CenterSave
A collection of sites related to drought and climate conditions in the United States (and some individual states). It includes current reports, outlooks, and indices used for drought and moisture monitoring . http://www.drought.noaa.gov/