geographical region, and timely dissemination of this information, is indispensable for
mitigation and disaster preparedness. Recently, the APEC Climate Center (APCC) has
launched a global precipitation variation monitoring product based on the Climate Anomaly
Monitoring System-Outgoing Longwave Radiation Precipitation Index (CAMS-OPI) data.
Here we quantify the reliability of CAMS-OPI, as well as other gauge-satellite-merged and …