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The Weekly Palmer Drought Index (PDI) and Palmer Hydrological Drought Index (PHDI) are estimations of the monthly PDI and PHDI on an operational weekly basis.

NOAA and its partners publish regional reports each quarter, summarizing weather, impacts and predictions.

The U.S. Monthly Drought Outlook predicts whether drought will emerge, stay the same or get better over the next 30 days or so.

The U.S. Seasonal Drought Outlook depicts large-scale trends based on subjectively derived probabilities guided by short- and long-range statistical and dynamical forecasts.