Weather Abbreviations and Acronyms
- OMEGAOrganisation of Malay Ey Gangsters and Addicts
- OMFObservation Markup Format
- OMLOperations Manual Letter
- OMNIOfficial Meteorological Notification Information
- OMNIVhf Omnidirectional Range
- OMTNSOver Mountains
- ONDOctober-November-December
- ONIOceanic Niño Indkx
- ONJSCOffice of The New Jersey Statehclimatologist
- ONSHROnshore
- OPObserver Program
- OPOpen
- OPOperator
- OPAOpaque, White Type of Ice Formation
- OPAGSOpen Programme Area Groups
- OPCControl Indicated Is Operational Control
- OPEROperator
- OPEROperations
- OPMETOperational Meteorological
- OPNOpen
Last updated: — Total entries: 5,468