: Public <<codeList>> Class
Created: 15/11/2012 4:17:02 PM
Modified: 29/04/2016 3:22:09 PM
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The present weather observed at, or in near vicinity of, an aerodrome.<br/><br/>Only a specific set of weather phenomenon are reported within aviation meteorology as defined in Regulation ICAO Annex 3 / WMO No. 49-2.<br/><br/>This CodeList is specifically defined for aviation purposes as defined in WMO No. 49-2. A superset of definitions are defined in WMO No. 306 Vol I.1 code-table 4678 "Significant weather phenomena".<br/>
Element Source Role Target Role
MeteorologicalAerodromeObservationRecord
Class   		Name:  
  		Name: presentWeather
 
Details:
When observed, between one and three present weather conditions<br/><br/>When present weather cannot be observed by the automatic observing system due to a temporary failure of the system/sensor ("//") the present weather is missing with a nil reason of notObservable.<br/>
Tag Value
asDictionary true
Details:
Values: true | false
Default: true
Description: Encode code list as externally managed dictionary (applies to ISO 19136:2007 encoding rule).
extensibility none
Details:
Values: none | narrower | open | any
Default: none
Description: This refers to extensions by a third party, not to extensions by the owner of the vocabulary; the owner will always be able to revise the vocabulary. I.e., if the value is 'none', the referenced vocabulary may not be extended by third parties; if the value is 'narrower', the vocabulary may be extended by narrower terms that have an existing term as a parent; if the value is 'any', the vocabulary may be extended by additional terms on any level. This value must be 'all', empty or missing, if the value 'vocabulary' is empty or missing; in this case any vocabulary may be used.
vocabulary http://codes.wmo.int/49-2/AerodromePresentWeather
Details:
Description: URI of the vocabulary/code list in the WMO Codes Registry or in some external registry. The value has to be provided, if an online version of the vocabulary is used.