20CR Climate Indices:Arctic Oscillation Index (AO)
Correlation of 20CRV3 January SLP with the AO (20CR) Index. (center Plot and label). Created with the Atmospheric WRIT Correlation Tool.
Times-series from the WRIT Time-series Plotting Tool (center this)
Description
Temporal Coverage
- Monthly values:1951/01 to 2016
- Update Status: Monthly
Data Notes
- Units: mb
- Missing data value: -99
Time-series List
- AO: Standard PSL FormatPSL, CSV, NetCDF (What is standard format?)
- AO: Standard PSL Format(1948 onwards version) PSL, CSV, NetCDF (What is standard format?)
Usage Restrictions
- None
Caveats
- None
Related Time-series
Links
Original Source
- Data was calculated at NOAA/PSL
Time-series source dataset(s)
- Input data for the mode calculation is the NCEP/NCAR Reanalysis 1000mb geopotential height.
Citation
References
- Thompson D. W.J. and J.M. Wallace:2000: Annular Modes in the Extratropical Circulation. Part I: Month-to-Month Variability:
J. of Climate , 13, 1000-1016.