---
cited_by: []
definition: 'The Niño1+2 SST anomaly index is an indicator of far eastern tropical Pacific El Niño conditions, off the coasts of Peru and Chile. It is calculated with SSTs in the box 90°W - 80°W, 10°S - 0°.'
href: https://data.globalchange.gov/gcmd_keyword/4b862c68-9cd9-4fee-942a-7cec0e6b05c2.yaml
identifier: 4b862c68-9cd9-4fee-942a-7cec0e6b05c2
label: EXTREME EASTERN TROPICAL PACIFIC SST
parent_identifier: b83895e9-bac8-49fe-bcf5-8fe4d8fcaa16
uri: /gcmd_keyword/4b862c68-9cd9-4fee-942a-7cec0e6b05c2