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