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We are thrilled to announce the release of the long-awaited Moving Weather 4.0. The main features of this new version are:
The third incarnation of the SADIS is based on OGC Environmental Data Retrieval (EDR) API comes in the form of three EDR-like API facades over AWS S3 buckets. The three types of data they offer are: OPMET data; WAFS Gridded Data; and WAFS Significant Weather (SIGWX) forecasts. The common parts for all three of them are: HTTPS transfer; Token-based authentication; and API management portal for customers. Moving Weather 4.0 fully supports the reception of data through these APIs.
The OPMET data API offers access to “zip” files - time-based accumulations of OPMET data (both TAC and IWXXM) with 5-minute (or 15-minute) granularity. Channel configuration parameters specific for this API are: File retrieval (recommendation is to retrieve every 5 minutes, starting from 00:01); selection of collection (Graphical reports, IWXXM OPMET reports, …); and scan back interval for the initial download of data.
The WAFS Gridded Data API is the most EDR-like API and offers access to GRIB files from the last model run with specific combinations of forecast parameters and levels. Specific channel configuration parameters for this API are: the source centre of the NWP model; resolution; coverage (Global or a set of Regions); and range of forecast hours. Finally, for this API it is recommended to use “scheduled file retrieval”, that matches production times for the data.
The WAFS Significant Weather (SIGWX) forecasts API is a non-browsable EDR-like API that offers access to PNG and IWXXM files produced from the most recent model run. The only specific channel configuration parameter is the selection of a collection, and it is recommended to use “scheduled file retrieval” with its own schedule adjusted to production times.
It is a new release of the IWXXM format, it was expected to be used operationally from November 2024 but was postponed. However, some centres already use it for the data they publish and therefore we have added full support for it, that is in TAC ↔ IWXXM conversion, report collection, and bulletin compilation. To provide this functionality, Moving Weather cooperates with its friend Recode Weather. The recommended RW version to use with Moving Weather 4.0 is Recode Weather 8.6.
The WIGOS Station Identifiers (WSI) have been usable in report collection and bulletin compilation for quite some time. However, their mapping to Traditional Station Identifiers (TSI) was possible only partially - through BUFR Enrichment dialogue. In Moving Weather 4.0 the WSIs are first-class citizens of the Station Catalogue and the changes in the TSI ↔ WSI mapping that are done there are naturally reflected in the TAC ↔ BUFR/IWXXM conversion.
IBL has been gradually adding support for publish-subscribe protocols and data notifications since 2019 and the first functionality was available in Moving Weather 2.0. But the related specifications, especially WMO Information System WIS 2.0, kept changing so we kept adjusting to them.
Moving Weather 4.0 comes with another set of adjustments to changes that happened during the year 2024. These adjustments are essential for ensuring compatibility with the new WMO Information System 2.0 that will start its operational phase in January 2025, so you can keep acting as both data publisher and data consumer, and, in rare cases, also as a global centre.
There are, of course, lots of other new or improved features, the complete list of all new features, improvements, and fixed bugs can be found in Moving Weather 4.0.0 Release Notes.
