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Drought Prediction and Monitoring Tools

sun-parched lake bed

USDA. Office of the Chief Economist.

Meteorologists in USDA’s World Agricultural Outlook Board (WAOB) provide weather assessments and real-time yield intelligence for global crop conditions in support of the monthly World Agricultural Supply and Demands Estimates (WASDE) report. WAOB’s meteorologists are also responsible for the publication of the Weekly Weather and Crop Bulletin and are contributing authors to the U.S. Drought Monitor.

DOC. National Oceanic and Atmospheric Administration.


University of Nebraska - Lincoln.


USDA. Agricultural Research Service.


Earth System Research Laboratory.  NOAA.

"The Evaporative Demand Drought Index (EDDI) is an experimental drought monitoring and early warning guidance tool. It examines how anomalous the atmospheric evaporative demand (E0; also known as "the thirst of the atmosphere") is for a given location and across a time period of interest."

DOC. NOAA. National Weather Service.




DOI. United States Geological Survey.


USDA. Joint Agricultural Weather Facility.


World Meteorological Organization.  Global Water Partnership.

"This Handbook of Drought Indicators and is based on available literature and draws findings from relevant works wherever possible. The handbook addresses the needs of practitioners and policymakers and is considered as a resource guide/material for practitioners and not an academic paper. This publication is a ‘living document’ and will be updated based on the experiences of its readers."