| The Nested Northeast and Northwest Gulf of Mexico Operational Forecast Systems (NWGOFS and NEGOFS) : model development and hindcast skill assessment - :16911 | National Ocean Service (NOS)
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The Nested Northeast and Northwest Gulf of Mexico Operational Forecast Systems (NWGOFS and NEGOFS) : model development and hindcast skill assessment
  • Published Date:
    2015
Filetype[PDF-4.40 MB]


Details:
  • Corporate Authors:
    Coast Survey Development Laboratory (U.S.)
  • Description:
    "The NOAA National Ocean Service's (NOS) Northern Gulf of Mexico Operational Forecast System (NGOFS) has been operational since April 2012 using the Finite Volume Coastal Ocean Model (FVCOM) (Chen et al., 2007) as the core hydrodynamic model. Designed as a regional scale system, NGOFS lacks sufficient spatial coverage and/or resolution to fully resolve hydrodynamic features in critical ports and estuaries [i.e., where NOS Physical Oceanographic Real-Time Systems (PORTS) exist in the region] including Lake Charles, Sabine Neches, Houston/Galveston Bay, Mobile Bay, Pascagola and Morgan City areas. To overcome this shortcoming and better support the needs for marine navigation, emergency response, and effective environmental management, NOS has developed two FVCOM-based, high-resolution, estuary-scale nested forecast models, namely the Northwest and Northeast Gulf Of Mexico Operational Forecast Systems (NWGOFS and NEGOFS). NWGOFS and NEGOFS are coupled with NGOFS through one-way nesting, i.e., NGOFS produces the open ocean boundary forcing (water levels and currents) for NWGOFS and NEGOFS without receiving feedback from the latter. The unstructured model grid was constructed and populated with bathymetry obtained from NOS hydrographic survey soundings and U.S. Army Corps of Engineers survey data. NWGOFS and NEGOFS were calibrated and evaluated with observed data obtained from various government agencies and private companies. The two high-resolution model systems became operational September 2014"--Executive Summary.

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