Item Type : Feature
Domain : WMO Weather
AlphaCode : SIGWAV
FeatureName: Significant Wave
Alias : SIGWAV
CamelCase : SignificantWave
Use Type : Geographic
Definition : Average values of wave heights (combined swell and seas) from the highest one third of waves.
Reference : 2016
Definition Source : S-412 WMO Weather Product Specification
Similarity to Source : Identical
Int1 :
S4 :
Recommended Attributes :
Distinguishing Features :
Remarks : -SIWAHE may be coded in addition to CATSEH to indicate height.-HUNITS must be populated if SIWAHE is populated.-DEGWAV may be populated in addition to SIWADE to indicate direction.-Only populate the INFORM attribute with high-impact or critical information.-If CATSEH is mapped to populate SIWAHE, the highest value within the defined range will be used for SIWAHE. For example, CATSEH for Moderate will have a SIWAHE of 2.5 meters.
Management Details
Proposal Type : Clarification
Submitting Organization : IHO Secretariat
Proposed Change : Add definition source, reference and similarity.
Justification : Standardization of Register content.
Proposed : 2019-11-27
Accepted : 2016-11-30
Amended : 2019-11-28
Successor : -
Predecessor : -