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IWXXM is currently using unstable URLs for our schema references to AIXM schemas on the aixm.aero site.
There are several aspects to this fix:
- Schema updates, covering all versions of IWXXM
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It may not be obvious from the UML diagrams that all IWXXM reports are an extension of the Report class: http://schemas.wmo.int/iwxxm/2.1.0/html/index.htm
It is known that metadata is required to s…
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Some ambiguity remains regarding how to interpret the trend forecast group portion of METAR/SPECI. Currently the TL, FM, or AT determination is carried only by the phenomenonTime and whether it is bef…
marqh updated
6 years ago
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While editing the text of Annex 3 to accommodate the expected amendments in Amd 78, ICAO has discovered that the recent weather term "RERASN" was accidentally removed in an earlier amendment to the do…
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It was noticed that UML Classes with stereotypes `` transform into XML schemas with no empty content and @nilReason support (see Section E2.4.5 of ISO 19136:2007 for details). For the rest of the s…
marqh updated
6 years ago
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In SIGMET in Amd 77 two important pieces were added for TC SIGMETs that do not appear to representable in IWXXM 2.1: the position of TC CENTREs outside of an OBS or FCST section and reporting CB posi…
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In TT-AvXML-4 Mark Oberfield noted that there are two times of interest on a TAF BECMG group: a transition period and a period when the phenomenon exists. Both may need to be represented on TAF, whe…
marqh updated
6 years ago
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Action from WG-MIE meeting
create a 'README' on the github site with a summary of how TT-AvxML will use Github to make the development of IWXXM more transparent to the user community
Share this …
marqh updated
6 years ago
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In Annex 3, there are notes to the _Advisory message for Volcanic Ash_ and _SIGMET/AIRMET_ which indicate that a line inferred in the message by the joining two points is "a straight line between two …