Climate Abbreviations and Acronyms
- RISARegional Integrated Science and Assessments
- RISARegional Integrated Sciences & Assessments
- RMSERoot of Mean Square Error
- RMWRadius of Maximum Winds
- ROADSRapid Overview and Decision Support
- ROOSRegional Ocean Observing System
- RPSSRanked Probability Skill Score
- RRCAPRegional Resource Centre for Asia and The Pacific
- RRIRights and Resource Initiative
- RRSRadiosonde Replacement System
- RSMRegional Spectral Model
- RTCCReilly Tar and Chemical Company
- RTNARising Tide North America
- RTRSRound Table Responsible Soy
- RTSMRegional Technical Support Mechanism
- RUCRapid Update Cycle
- RUERain Use Efficiency
- RVGEOReviews of Geophysics
- RWPRoman Warm Period
- RYSERising Youth for A Sustainable Earth
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