Forecasting Abbreviations and Acronyms

1. PW
   Precipitable Water
2. PW
   Prevailing Westerlies
3. PWAT
   Precipitable Water
4. PWV
   Pressurized Water Vapor
5. QBO
   Quasi- Biennial Oscillation
6. QCF
   Quick Crack Finder
7. QCY
   Quindy, Illinois, Weather Information Station
8. QFE
   Atmospheric Pressure At Aerodrome Elevation
9. QFU
   Magnetic Orientation of Runway
10. QMN
    National Weather Service Michigan Network
11. QNH
    Noaa Quasi- Non Hydrostatic Model
12. RAA
    Running Annual Average
13. RAB
    Rain Began
14. RADAT
    Radiosonde Observation Addl Data
15. RAP
    Rapid Alpha Process
16. RASN
    Rain and Snow
17. RCA
    Regular Countably Additive
18. RCF
    Radiocommunication Failure
19. RCLL
    Runway Centre Line Light
20. RCLR
    Recleared

Last updated: January 4, 2020 — Total entries: 800