Drought Termination and Amelioration

In a collaborative project between NIDIS and NCEI, there will be a couple of one-day stakeholder workshops in September to review the information and layout of this drought amelioration product page. More information about the workshops and a website survey will be posted in late August.

Current Drought Reduction

To view maps and data of precipitation, associated probabilities, and percent of normal precipitation needed to end or ameliorate drought as it currently exists across the Contiguous U.S., select from the options below and then click "Submit".

Drought Reduction Map

Data File: Precip to End Current Drought

The end of a drought is defined by a PHDI value of -0.5.
Drought amelioration is achieved when a PHDI value of -2.0 is reached.