Quasi-Biennial Oscillation (QBO)
Zonally averaged 30mb winds at the equator. The winds have a very strong biennial periodicity (see timeseries plot).
Correlation of January NCEP/NCAR Reanaysis 30mb Zonal Winds with the QBO Index. Created with the Atmospheric WRIT Correlation Tool.
Times-series from the WRIT Time-series Plotting Tool (center this)
Description
Zonally averaged 30mb winds at the equator. The winds have a very strong biennial periodicity (see timeseries plot).Temporal Coverage
- Monthly values: 1948/01 to near present
- Update Status: Monthly
Data Notes
- Units: deg m/s
- Missing data value: -9999.0
Time-series List
- :QBO Standard PSL Format, CSV, NetCDF (What is standard format?)
Usage Restrictions
- None
Caveats
- None
Related Time-series
Links
Original Source
- Data is from PSL calculated using the monthly mean zonal winds at 30mb.
Time-series source dataset(s)
- Input data for the mode calculation is the NCAR Reanalysis.
Citation
References
- Brewer, A.W., Evidence for a world circulation provided by the measurements of helium and water vapour distribution in the stratosphere, Q. J. R. Meteorol. Soc., 75, 351 - 363, 1949. (seminal paper)