| Model | Hindcast Period | # Members | Perturbation Methodology | Lead (days) | Atm | Ocn | Sea Ice | Land |
|---|---|---|---|---|---|---|---|---|
| NCEP/CFSv2 | 1999-2010 | 4/day | Time-lagged 0,6,12,18Z each day | 45 | T126L64
ICs CFSR |
MOM4L40 0.25 deg EQ; 0.5 deg global
ICs CFSR |
Same as Ocn | NOAH
ICs GLDAS |
| NCEP/GEFS | 1999-2015 | 20 | EnKF & ETR | 35 | T574L64 for 0-8 day & T382 for 8-35 day
ICs Atm DA |
N/A | N/A | T574
ICs GDAS |
| ECCC GEM | 1995-2014 | 4 | random isotropic perturbation | 32 | 0.45x0.45 deg; 40 levels; ICs from ERA-interim | N/A | N/A | Offline SPS forced by ERA-Interim |
| NASA GEOS-5 AOGCM | 1981-2015 | 10 | scaled difference of two consecutive days of analysis | 45 | GEOS5-1/2 degree horizontal resolution,; 72 vertical layers
ICs from MERRA2 |
MOM5 - 1/2 deg horizontal resolution, 40 vertical layers
ICs GMAO Ocn Analysis |
CICE
ICs GMAO Ocn Analysis |
Catchement Land Sfc Model
ICs MERRA-2 precipitation corrected |
| Navy Earth System Model | 1999-2015 | 4 | time-lagged | 45 | T0359L50
ICs atmos DA |
0.08 deg; 41 vertical layers
ICs from Ocn reanalysis |
T0359
ICs from AGRMET |
|
| NCAR/CCSM4 | 1999-2015 | 3 or 4 per day | time-lagged | 45 | 0.9x1.25deg L26 | POPL60; 1deg global with 0.25 lat res in deep tropics | same as ocean | same as atmopshere |
| NOAA/ESRL FIM HYCOM | 1999-2014 | 4 per week | time-lagged 12Z & 18Z Tues; 00Z & 06Z Wed | 32 | ~30km w/64 vertical layers; ICs from CFSR | N/A | N/A | NOAH land sfc model; ICs from CFSR |
