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| Name: | Spectral mean direction over all frequencies and direction of the two-dimensional wave spectrum | Abbreviation: | mwd | Unit: | degree true | paramId: | 140230 |
Other details
| Definition | Better known as the Significant Wave Height. The significant wave height is defined as 4 times the square root of the integral over all directions and all frequencies of the two-dimensional wave spectrum. The integration is performed over all frequencies up to infinity. |
| Validity | instantaneous |
| Comment |
WMO GRIB2 definition
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