Weather Abbreviations and Acronyms
- OPNSOperations
- OPROperator
- OPSOperations
- OPS-IIOperational Weather Squadron Production System Ii
- OROregon
- ORAUOak Ridge Aasociation Universities
- ORCHISSystem
- ORDAOpen Radar Data Acquisition
- OREOregon
- ORGPHCOrographic
- ORSEOtherwise
- ORTOfficg of Research and Technology Applications
- OSDOffice of Systems Development
- OSFOperational Support Facility
- OSOOffice of Systems Operations
- OSPOld School Panini
- OSVOcean Station Vessel
- OTISOptimum Thermal Interpolation System
- OTLKOutlook
- OTPOn Top
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