GUIDE WAVE ANALYSIS AND FORECASTING - WMO

TABLE 6.2 (cont.)
Country Name of model Area Grid Type of model Products Source of wind information
SAUDI Advective singular 5°N, 45°E; 20°N, 70°E; 28.1 km Shallow water, Charts of significant wave height and period at From numerical analysis model – a
ARABIA wave model 30°N, 30°E; advective singular 6-h intervals numerical sea breeze simulation is used
43°N, 55°W; Red Sea near coast and a gradient wind modified
and Arabian Gulf from friction is computed
SWEDEN NORSWAM North Sea 100 km Deep water, coupled Wave forecast
hybrid
UNITED European model North Atlantic, east 0.25° lat. x To 200 m depth 12-h hindcast and 36-h forecasts of wind sea and Forecast winds from lowest level of
KINGDOM of 14°W; 30°45'N– 0.4° long. with 2 m resolution, swell sea (height, direction and period), also operational, fine mesh, limited area
66°45'N including coupled discrete significant wave height. Fields output on charts or numerical weather prediction models,
Mediterranean for selected grid points as meteograms or by every hour
and Black Seas printer. Tabulated results of coastal areas
OPERATIONAL WAVE MODELS 79
Global model Global oceans 1.25° lat. x Deep water, 12-h hindcasts and 120-h forecasts of wind sea Forecast winds from lowest level of
0.8333° long. coupled discrete and swell sea (height, direction and period), also operational, coarse-mesh, global
significant wave height. Fields output on charts for numerical weather prediction model, every
local use or in digitally-coded bulletins (GRID two hours
or GRIB) on GTS
USA NOAA/WAM Global 2.5° x 2.5° Deep water, coupled Significant wave height charts for T+12, T+24, Lowest layer winds corrected to 10 m
lat./long. spectral T+48 and T+72. Charts of direction of peak height from the operational Medium
energy for Atlantic and Pacific, and period of peak Range Forecast (MRF) model
energy for Pacific. Alpha-numeric bulletins of
wave spectra, special charts for Gulf of Alaska,
Hawaii and Puerto Rico regions
GWAM Global 1° x 1° Deep water, coupled Significant wave height, sea height, swell height, Surface winds stress for Navy Operational
lat./long. spectral max. wave height, mean wave direction, sea Global Atmospheric Prediction System
direction, swell direction, mean period, sea period, (NOGAPS)
swell period, whitecap coverage, T+0 to T+144
IOWAM Indian Ocean 0.25° x 0.25° Shallow water, As above, T+0 to T+48 Navy Operational Regional Atmospheric
lat./long. coupled spectral, Prediction System (NORAPS)
nested in GWAM
MEDWAM Mediterranean Sea 0.25° x 0.25° Shallow water, As above, T+0 to T+72 NORAPS
lat./long. coupled spectral
KORWAM Korean area 0.2° x 0.2° Shallow water, As above, T+0 to T+36 NORAPS
lat./long. coupled spectral,
nested in GWAM