• Home
  • About
    • Overview
    • Protocol
    • Technical Details for Data Providers
  • People
  • Data
    • Model Descriptions
    • Data Description
    • Data Reference Guide
    • Get Data Here
  • Forecasts
    • Static Forecast Maps
    • Interactive Forecast Maps
  • Model Evaluation
    • Deterministic Skill
    • Probabilistic Skill (by Season)
    • Probabilistic Skill (by Month)
    • Biases
  • Related Projects
    • WWRP/WCRP S2S Project
    • NOAA/MAPP S2S Task Force
    • NMME
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 NAVGEM-T0359L50

ICs atmos DA

HYCOM-0.08 deg; 41 vertical layers

ICs from Ocn/Ice reanalysis

CICE4-0.08 deg

ICs from Ocn/Ice reanalysis

Inline NAVGEM 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 ~60km w/64 vertical layers; ICs from CFSR iHYCOM 60km iHYCOM 60km NOAH land sfc model; ICs from CFSR