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Giovanni System Maintenance for MERRA-2 Variables has Been Completed

Data Update
Issued
April 20, 2026
Resolved
Data Alert
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GES DISC has completed the migration of the OPeNDAP service to Earthdata Cloud for 34 of the MERRA-2 data collections. Giovanni variables from those data collections are available once again. Please see the document OPeNDAP in the Cloud for more details about changes to the OPeNDAP service.

Referenced Datasets

Dataset Name Format
MERRA-2 inst1_2d_int_Nx: 2d,1-Hourly,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2I1NXINT)
MERRA-2 inst1_2d_lfo_Nx: 2d,1-Hourly,Instantaneous,Single-Level,Assimilation,Land Surface Forcings 0.625 x 0.5 degree V5.12.4 (M2I1NXLFO)
MERRA-2 instM_2d_asm_Nx: 2d,Monthly mean,Single-Level,Assimilation,Single-Level Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IMNXASM)
MERRA-2 instM_2d_gas_Nx: 2d,Monthly mean,Instantaneous,Single-Level,Assimilation,Aerosol Optical Depth Analysis 0.625 x 0.5 degree V5.12.4 (M2IMNXGAS)
MERRA-2 instM_2d_int_Nx: 2d,Monthly mean,Instantaneous,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2IMNXINT)
MERRA-2 instM_2d_lfo_Nx: 2d,Monthly mean,Instantaneous,Single-Level,Assimilation,Land Surface Forcings 0.625 x 0.5 degree V5.12.4 (M2IMNXLFO)
MERRA-2 instM_3d_ana_Np: 3d,Monthly mean,Instantaneous,Pressure-Level,Analysis,Analyzed Meteorological Fields 0.625 x 0.5 degree V5.12.4 (M2IMNPANA)
MERRA-2 statD_2d_slv_Nx: 2d,Daily,Aggregated Statistics,Single-Level,Assimilation,Single-Level Diagnostics 0.625 x 0.5 degree V5.12.4 (M2SDNXSLV)
MERRA-2 statM_2d_edi_Nx: 2d, Single-Level, Monthly Extremes Detection Indices based on 1991-2020 V2 (M2SMNXEDI)
MERRA-2 statM_2d_pct_Nx: 2d, Single-Level, Monthly Percentiles based on 1991-2020 V2 (M2SMNXPCT)
MERRA-2 statM_2d_slv_Nx: 2d,Monthly,Aggregated Statistics,Single-Level,Assimilation,Single-Level Diagnostics 0.625 x 0.5 degree V5.12.4 (M2SMNXSLV)
MERRA-2 tavg1_2d_adg_Nx: 2d,1-Hourly,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics (extended) 0.625 x 0.5 degree V5.12.4 (M2T1NXADG)
MERRA-2 tavg1_2d_lfo_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Land Surface Forcings 0.625 x 0.5 degree V5.12.4 (M2T1NXLFO)
MERRA-2 tavg1_2d_lnd_Nx: 2d,1-Hourly,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T1NXLND)
MERRA-2 tavg3_3d_rad_Np: 3d,3-Hourly,Time-Averaged,Pressure-Level,Assimilation,Radiation Diagnostics 0.625 x 0.5 degree V5.12.4 (M2T3NPRAD)
MERRA-2 tavgM_2d_adg_Nx: 2d,Monthly mean,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics (extended) 0.625 x 0.5 degree V5.12.4 (M2TMNXADG)
MERRA-2 tavgM_2d_aer_Nx: 2d,Monthly mean,Time-averaged,Single-Level,Assimilation,Aerosol Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXAER)
MERRA-2 tavgM_2d_chm_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Carbon Monoxide and Ozone Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXCHM)
MERRA-2 tavgM_2d_csp_Nx: 2d,Monthly mean,Time-averaged,Single-Level,Assimilation,COSP Satellite Simulator 0.625 x 0.5 degree V5.12.4 (M2TMNXCSP)
MERRA-2 tavgM_2d_flx_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Surface Flux Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXFLX)
MERRA-2 tavgM_2d_glc_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Land Ice Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXGLC)
MERRA-2 tavgM_2d_int_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Vertically Integrated Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXINT)
MERRA-2 tavgM_2d_lfo_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Land Surface Forcings 0.625 x 0.5 degree V5.12.4 (M2TMNXLFO)
MERRA-2 tavgM_2d_lnd_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Land Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXLND)
MERRA-2 tavgM_2d_ocn_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Ocean Surface Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXOCN)
MERRA-2 tavgM_2d_rad_Nx: 2d,Monthly mean,Time-Averaged,Single-Level,Assimilation,Radiation Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNXRAD)
MERRA-2 tavgM_3d_cld_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Cloud Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNPCLD)
MERRA-2 tavgM_3d_mst_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Moist Processes Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNPMST)
MERRA-2 tavgM_3d_odt_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Ozone Tendencies 0.625 x 0.5 degree V5.12.4 (M2TMNPODT)
MERRA-2 tavgM_3d_qdt_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Moist Tendencies 0.625 x 0.5 degree V5.12.4 (M2TMNPQDT)
MERRA-2 tavgM_3d_tdt_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Temperature Tendencies 0.625 x 0.5 degree V5.12.4 (M2TMNPTDT)
MERRA-2 tavgM_3d_trb_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Turbulence Diagnostics 0.625 x 0.5 degree V5.12.4 (M2TMNPTRB)
MERRA-2 tavgM_3d_udt_Np: 3d,Monthly mean,Time-Averaged,Pressure-Level,Assimilation,Wind Tendencies 0.625 x 0.5 degree V5.12.4 (M2TMNPUDT)
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Details

Last Updated

June 17, 2026

Published

April 20, 2026

Data Center/Project

Goddard Earth Sciences Data and Information Services Center (GES DISC)