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Methodology
CMATv1 CESM3dev Repository
Created: Wed Sep 3 15:26:52 2025
CMAT Version 1: NetCDF output

CMAT 1.0 CESM3dev CESM3dev_198pi: vs CESM2_1:
(Overall: 0.75-A; Energy: 0.72-A; Water: 0.64-A; Dynamics: 0.88-A)



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


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.
TMQ PCor-ENSO degrades.
LHFLX PCor-ENSO degrades.
EP PCor-AM degrades.
EP PCor-ENSO degrades.
RTFS PCor-ENSO 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 0.73 Annual 0.99JJA-DJF 0.99ENSO Tele 0.22DJF 0.99MAM 0.99JJA 0.99SON 0.99
FLNT 0.83 Annual 0.98JJA-DJF 0.97ENSO Tele 0.54DJF 0.98MAM 0.96JJA 0.97SON 0.97
SWCF 0.69 Annual 0.88JJA-DJF 0.95ENSO Tele 0.25DJF 0.93MAM 0.88JJA 0.88SON 0.87
LWCF 0.79 Annual 0.91JJA-DJF 0.91ENSO Tele 0.53DJF 0.92MAM 0.83JJA 0.90SON 0.90
FS 0.55 Annual 0.62JJA-DJF 0.96ENSO Tele 0.06DJF 0.89MAM 0.76JJA 0.89SON 0.76
RTFS 0.75 Annual 0.93JJA-DJF 0.92ENSO Tele 0.40DJF 0.93MAM 0.90JJA 0.92SON 0.91
Key Water VariablesScored/GradedUnscored
PR 0.69Annual 0.83JJA-DJF 0.81ENSO Tele 0.42DJF 0.83MAM 0.82JJA 0.81SON 0.81
TMQ 0.90Annual 0.99JJA-DJF 0.98ENSO Tele 0.75DJF 0.98MAM 0.98JJA 0.98SON 0.98
LHFLX 0.81Annual 0.96JJA-DJF 0.91ENSO Tele 0.57DJF 0.95MAM 0.95JJA 0.95SON 0.95
EP 0.49Annual 0.55JJA-DJF 0.51ENSO Tele 0.43DJF 0.59MAM 0.53JJA 0.50SON 0.50
RELHUM992 0.61Annual 0.81JJA-DJF 0.64ENSO Tele 0.38DJF 0.79MAM 0.79JJA 0.74SON 0.82
Key Dynamics VariablesScored/GradedUnscored
PSL 0.91Annual 0.99JJA-DJF 0.96ENSO Tele 0.77DJF 0.99MAM 0.98JJA 0.98SON 0.99
U10 0.85Annual 0.96JJA-DJF 0.92ENSO Tele 0.68DJF 0.95MAM 0.96JJA 0.95SON 0.96
Z500 0.85Annual 0.93JJA-DJF 0.93ENSO Tele 0.70DJF 0.96MAM 0.90JJA 0.86SON 0.92
OMEGA500 0.59Annual 0.67JJA-DJF 0.72ENSO Tele 0.38DJF 0.67MAM 0.64JJA 0.71SON 0.67
RELHUM500 0.84Annual 0.96JJA-DJF 0.94ENSO Tele 0.64DJF 0.96MAM 0.94JJA 0.95SON 0.95
Other Variables (unscored)
SOLINAnnual 1.00JJA-DJF 1.00DNADJF 1.00MAM 1.00JJA 1.00SON 1.00
ALBEDOAnnual 0.91JJA-DJF 0.45ENSO Tele 0.24DJF 0.71MAM 0.92JJA 0.86SON 0.91
ALBDSAnnual 0.98JJA-DJF 0.90ENSO Tele 0.16DJF 0.96MAM 0.97JJA 0.95SON 0.97
RTAnnual 0.98JJA-DJF 0.99ENSO Tele 0.47DJF 0.99MAM 0.99JJA 0.99SON 0.99
FSDSAnnual 0.97JJA-DJF 0.99ENSO Tele 0.28DJF 0.98MAM 0.98JJA 0.97SON 0.97
FLDSAnnual 0.99JJA-DJF 0.98ENSO Tele 0.70DJF 0.99MAM 0.99JJA 0.99SON 0.99
FSNSAnnual 0.98JJA-DJF 0.98ENSO Tele 0.27DJF 0.98MAM 0.98JJA 0.97SON 0.98
FLNSAnnual 0.91JJA-DJF 0.89ENSO Tele 0.57DJF 0.90MAM 0.91JJA 0.89SON 0.90
SHFLXAnnual 0.89JJA-DJF 0.88ENSO Tele 0.39DJF 0.88MAM 0.87JJA 0.87SON 0.89
TREFHTAnnual 1.00JJA-DJF 0.99ENSO Tele 0.66DJF 0.99MAM 1.00JJA 0.99SON 0.99
TREFHTAAnnual 0.00JJA-DJF -0.63ENSO Tele 0.66DJF -0.63MAM -0.07JJA -0.60SON -0.46
NETCFAnnual 0.84JJA-DJF 0.95ENSO Tele 0.37DJF 0.93MAM 0.81JJA 0.88SON 0.87


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