CMAT logo

Methodology
CMATv1 CESM3dev Repository
Created: Tue Jan 6 09:10:29 2026
CMAT Version 1: NetCDF output

CMAT 1.0 CESM3dev CESM3dev_078pi: vs CESM2_1:
(Overall: 0.76-A; Energy: 0.78-A; Water: 0.66-NA; Dynamics: 0.85-A)



Summary Comments
NotesFlags vs ObsImprovements (vs CESM2_1)Degradations (vs CESM2_1)
CESM3dev NHM-SHM FSNT too small.
see also SWCF, ALBDS
NHM-SHM SWCF too large.
see also ALBDS
Global Mean LWCF too small.
Global Mean LHFLX too large.
NHM-SHM LHFLX too small.
OM-LM LHFLX too small.

 FSNT PCor-ENSO improves.
see also SWCF, ALBDS

FLNT PCor-ENSO degrades.
see also LWCF, TREFHT, TMQ
SWCF PCor-ENSO degrades.
see also ALBDS
LWCF PCor-ENSO degrades.
PR PCor-AM degrades.
PR PCor-ENSO degrades.
EP PCor-ENSO degrades.
Z500 PCor-AC degrades.
Z500 PCor-ENSO degrades.
OMEGA500 PCor-ENSO degrades.
U10 PCor-ENSO degrades.
PSL PCor-ENSO degrades.

Select Timeseries
Global: TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
NH:TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
SH: TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Ocean: TREFHT, RT, FSNT, FLNT, SWCF, LWCF, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Land: TREFHT, RT, FSNT, FLNT, SWCF, LWCF, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Arctic(60N/90N): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
NH Mid(30N/60N): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Tropics(30/30): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Ocean(30/30): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Land(30/30): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, P, CLDTOT, CLDLOW, CLDHGH, TMQ
SH Mid(30S/60S): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
SH Ant.(60S/90S): TREFHT, RT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Global (by LME member1): TREFHT, FSNT, FLNT, SWCF, LWCF, OHC 0-300m, OHC 0-700m, OHC 0-2000, P, CLDTOT, CLDLOW, CLDHGH, TMQ
Ocean Drift: Summary By Basin Nino3.4: TS Forcing Est.FSNTOAC 30/30 Ocean


Lat/Lon Maps
FSNT 0.84 Annual 0.99JJA-DJF 0.99ENSO Tele 0.52DJF 0.99MAM 0.99JJA 0.99SON 0.99
FLNT 0.89 Annual 0.97JJA-DJF 0.97ENSO Tele 0.73DJF 0.97MAM 0.95JJA 0.98SON 0.97
SWCF 0.79 Annual 0.88JJA-DJF 0.95ENSO Tele 0.54DJF 0.93MAM 0.84JJA 0.90SON 0.89
LWCF 0.84 Annual 0.90JJA-DJF 0.92ENSO Tele 0.71DJF 0.90MAM 0.81JJA 0.92SON 0.87
FS 0.55 Annual 0.61JJA-DJF 0.96ENSO Tele 0.08DJF 0.89MAM 0.75JJA 0.88SON 0.75
RTFS 0.78 Annual 0.93JJA-DJF 0.92ENSO Tele 0.51DJF 0.93MAM 0.90JJA 0.91SON 0.90
Key Water VariablesScored/GradedUnscored
PR 0.74Annual 0.83JJA-DJF 0.82ENSO Tele 0.55DJF 0.86MAM 0.80JJA 0.81SON 0.80
TMQ 0.93Annual 0.99JJA-DJF 0.98ENSO Tele 0.82DJF 0.98MAM 0.98JJA 0.98SON 0.99
LHFLX 0.82Annual 0.96JJA-DJF 0.91ENSO Tele 0.60DJF 0.96MAM 0.95JJA 0.95SON 0.95
EP 0.56Annual 0.57JJA-DJF 0.50ENSO Tele 0.60DJF 0.61MAM 0.54JJA 0.50SON 0.52
RELHUM992 0.61Annual 0.83JJA-DJF 0.66ENSO Tele 0.35DJF 0.81MAM 0.81JJA 0.76SON 0.83
Key Dynamics VariablesScored/GradedUnscored
PSL 0.86Annual 0.99JJA-DJF 0.95ENSO Tele 0.65DJF 0.98MAM 0.98JJA 0.98SON 0.99
U10 0.80Annual 0.96JJA-DJF 0.92ENSO Tele 0.52DJF 0.94MAM 0.96JJA 0.96SON 0.95
Z500 0.83Annual 0.92JJA-DJF 0.83ENSO Tele 0.74DJF 0.91MAM 0.89JJA 0.87SON 0.91
OMEGA500 0.65Annual 0.67JJA-DJF 0.72ENSO Tele 0.55DJF 0.67MAM 0.63JJA 0.71SON 0.66
RELHUM500 0.89Annual 0.95JJA-DJF 0.93ENSO Tele 0.79DJF 0.96MAM 0.93JJA 0.93SON 0.94
Other Variables (unscored)
SOLINAnnual 1.00JJA-DJF 1.00DNADJF 1.00MAM 1.00JJA 1.00SON 1.00
ALBEDOAnnual 0.92JJA-DJF 0.44ENSO Tele 0.51DJF 0.72MAM 0.92JJA 0.87SON 0.93
ALBDSAnnual 0.97JJA-DJF 0.89ENSO Tele 0.28DJF 0.95MAM 0.96JJA 0.95SON 0.96
RTAnnual 0.99JJA-DJF 0.99ENSO Tele 0.49DJF 0.99MAM 0.99JJA 0.99SON 0.99
FSDSAnnual 0.97JJA-DJF 0.99ENSO Tele 0.54DJF 0.98MAM 0.98JJA 0.98SON 0.97
FLDSAnnual 0.99JJA-DJF 0.98ENSO Tele 0.68DJF 0.99MAM 0.99JJA 0.99SON 0.99
FSNSAnnual 0.98JJA-DJF 0.99ENSO Tele 0.54DJF 0.98MAM 0.98JJA 0.98SON 0.98
FLNSAnnual 0.90JJA-DJF 0.87ENSO Tele 0.57DJF 0.89MAM 0.90JJA 0.88SON 0.89
SHFLXAnnual 0.90JJA-DJF 0.87ENSO Tele 0.37DJF 0.89MAM 0.88JJA 0.86SON 0.90
TREFHTAnnual 0.99JJA-DJF 0.99ENSO Tele 0.66DJF 0.99MAM 0.99JJA 0.99SON 0.99
TREFHTAAnnual 0.00JJA-DJF 0.99ENSO Tele 0.66DJF 0.12MAM 0.12JJA -0.01SON -0.01
NETCFAnnual 0.83JJA-DJF 0.96ENSO Tele 0.43DJF 0.93MAM 0.77JJA 0.90SON 0.88


Hovmollers
FSNTOCEANLANDLAND+OCEAN
FLNTOCEANLANDLAND+OCEAN
SWCFOCEANLANDLAND+OCEAN
LWCFOCEANLANDLAND+OCEAN
FSOCEANLANDLAND+OCEAN
PROCEANLANDLAND+OCEAN
TMQOCEANLANDLAND+OCEAN
SOLINOCEANLANDLAND+OCEAN
ALBEDOOCEANLANDLAND+OCEAN
ALBDSOCEANLANDLAND+OCEAN
RTOCEANLANDLAND+OCEAN
FSDSOCEANLANDLAND+OCEAN
FLDSOCEANLANDLAND+OCEAN
FSNSOCEANLANDLAND+OCEAN
FLNSOCEANLANDLAND+OCEAN
LHFLXOCEANLANDLAND+OCEAN
SHFLXOCEANLANDLAND+OCEAN
TREFHTOCEANLANDLAND+OCEAN
TREFHTAOCEANLANDLAND+OCEAN
EPOCEANLANDLAND+OCEAN
RTFSOCEANLANDLAND+OCEAN
Z500OCEANLANDLAND+OCEAN
RELHUM992OCEANLANDLAND+OCEAN
NETCFOCEANLANDLAND+OCEAN
OMEGA500OCEANLANDLAND+OCEAN
U10OCEANLANDLAND+OCEAN
PSLOCEANLANDLAND+OCEAN
RELHUM500OCEANLANDLAND+OCEAN