NAVGEMNavy Global Environmental Model (US Navy)
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The Naval Global Environmental Model (NAVGEM) became fully operational in spring 2013, and today serves as a cutting-edge prediction system for Navy planners who depend on accurate weather conditions.
ESPS codes include the Navy Global Environmental Model (NAVGEM), the Hybrid Coordinate Ocean Model (HYCOM), and the Coupled Ocean-Atmosphere Mesoscale Prediction System (COAMPS); the NOAA Environmental Modeling System (NEMS) and the Modular Ocean Model (MOM); the Community Earth System Model (CESM); and the NASA ModelE climate model and the Goddard Earth Observing System Model, version 5 (GEOS-5), atmospheric general circulation model.
Navy developers coupled the Navy Operational Global Atmospheric Prediction System (NOGAPS; Rosmond 1992; Bayler and Lewit 1992) and HYCOM by introducing simple NUOPC connectors between the models, and they were able to easily switch in the newer Navy Global Environmental Model (NAVGEM) atmosphere (Hogan et al.
As with the global Navy system, NAVGEM, ESMF component interfaces had been introduced as part of BEI.
Horizontal Resolution Type, Operational/ Model application real time Research Altitudes ECMWF IFS Global, FC TL1239 (~16 km) 0-80 km NCEP GFS Global, FC T574 (~23 km) 0-65 km NIWA/UKMO UM Global, FC N768 (~17 km) 0-80 km NAVGEM Global, FC, T359 (~37 km) T119-T425 0-70 km RE (~30-110 km) COAMPS Regional, 35 km 5-35 km 0-30 km adjoint FC, RE COAMPS Regional, 5 and 15 km 1-15 km 0-50 km FC, RE NZ Limited Regional, 12 km 0-80 km Area Model FC (NZLAM) NZ Convective Regional, 1.5 km 0-40 km Scale Model FC (NZCSM) WRF (various) Regional, 6 km 2 km 0-45 km FC, RE FR linear Local, 0.5-1 km any 0-100 km FC, RE FV DNS Local, RE 20 m-1 km 0-400 km Spectral DNS Local, RE 1-10m 0-10 km Table 4.
McLay was given the award for his distinguished accomplishments in leading the "New Rules of Predictability" project and his key role in developing and transitioning the Navy Global Environmental Model (NAVGEM) Ensemble Forecast System (EFS).
McLay is a subject-matter expert in the design and application of atmospheric ensemble predictions, and works on the 6.1 level predictability project and 6.4 level NAVGEM EFS.
Navy's first operational method for stochastic forcing of the NAVGEM global model, which improves the measurement of forecast uncertainty.