deletions | additions       diff --git a/figures/eof-sf_ERAInterim_500hPa_monthly_native-sh-zonal-anom/caption.tex b/figures/eof-sf_ERAInterim_500hPa_monthly_native-sh-zonal-anom/caption.tex  index 8904497..9972137 100644  --- a/figures/eof-sf_ERAInterim_500hPa_monthly_native-sh-zonal-anom/caption.tex  +++ b/figures/eof-sf_ERAInterim_500hPa_monthly_native-sh-zonal-anom/caption.tex 
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\label{fig:eof}  Empirical Orthogonal Function (EOF) analysis of the monthly 500-hPa zonal streamfunction anomaly from the ERA-Interim reanalysis over the period 1979-2014. The data are presented as the correlation of the corresponding principal component with the original field, and the percentage of variance explained is indicated for each EOF mode. According to the \citet{North1982} rule of thumb, the second and third EOF modes are degenerate. Different filtering, datasets, time periods and EOF methodologies influence the location and magnitude of the anomaly centers slightly, but the overall structure of the EOF-1 mode and the degenerate nature of EOF-2 and EOF-3 are a consistent feature. Green lines indicate the search region of interest (or PSA-sector).