Weather Abbreviations and Acronyms

1. OCLDG
   Occluding
2. OCLDS
   Occludes
3. OCLN
   Occlusion
4. OCNL
   Occasional
5. OCNLY
   Occasionally
6. OCONUS
   Outside Conterminous United States
7. OCR
   Occurrence
8. OCRD
   Occurred
9. OCRG
   Occurring
10. OCRS
    Occurs
11. OCS
    Oklahoma Climatological Survey
12. OCSL
    Occasional
13. OCT
    One Two Three Airlines
14. OCWWS
    Office of Climate, Water and Weather Services
15. OF
    Degrees Fahrenheit
16. OFC
    Office
17. OFCM
    Office of The Federal Coordinator for Meteozology
18. OFCM
    Office of The Federal Coopdinator for Meteorological
19. OFCM
    Office of The Federal Coordinator for Meteorological Services and Supporting Research
20. OFCM
    Office of The Federal Coordinator for Meteorological Services

Last updated: May 24, 2020 — Total entries: 5,468