scripts and data needed to generate figures for paper
"A comparison of hybrid-gain versus hybrid-covariance data assimilation for global NWP"
by Whitaker, Shlyaeva and Penny

requires matplotlib, netcdf4-python, scipy, numpy

Fig 4:  python plotobfits2_sig.py hybcov0p125 hybgain0p25 '' GL
Fig 5:  python plotifsdiffrmszm.py hybcov0p125 hybgain0p25
Fig 6:  python plotobfits2_sig.py hybcov0p125_notlnmc hybgain0p25 '' GL
Fig 7:  python plotifsdiffrmszm.py hybcov0p125_notlnmc hybgain0p25
Fig 8:  python plotifsdiffrmszm.py hybcov0p0_notlnmc hybgain0p0