Arrangements for requesting and receiving atmospheric transport model products from an RSMC
2.1 The "Regional and Global Arrangements" are designed to ensure that the RSMCs' atmospheric transport model products would be effective for, and immediately available to any Member State, in the context of the defined Scope (Section 1.2). These Arrangements recognize the collective role of the RSMCs, the coordinating role of the WMO, and the international authority of the IAEA for nuclear events. It is the intention of the WMO to designate RSMCs within each of its six Regional Associations so that the provision of atmospheric transport model products for environmental emergency response can be achieved within each Region under specific Regional arrangements and procedures. However, until such time as this is fully attained for all Regions, Global Arrangements are in place. The "Regional and Global Arrangements" are found in Annex 1.
2.1.1 The up-to-date list of designated RSMCs is provided with full contact information in Annex 2. In Regions where RSMCs have been designated, the Delegated Authority will direct its request to that RSMC(s) according to specific Regional arrangements and procedures.
2.2 When the Delegated Authority or the IAEA make the request to the appropriate RSMC, it must provide contact information and event related information as indicated on the "Request for WMO RSMC Support by Delegated Authority" or ''Request for WMO RSMC Support by IAEA'' (referred to as the "Request Form"). The language used for the Request Form is determined within specific Regional arrangements and procedures. A sample form completed by a Delegated Authority is found in Figure 2. Blank forms are shown in Annex 3.
2.3 The RSMC(s), in response to a request for support by the Delegated Authority or the IAEA, will produce a standard set of basic output products from its Atmospheric Transport Model simulation and using the parameters provided on the Request Form and default parameters for those not provided. The basic output products are defined and discussed in in Section 4 and in Annex 4.
2.3.2 Other output products based on available data and related to the emergency event may be requested. The RSMC(s) will respond within its operational constraints.
2.4 The Atmospheric Transport Model outputs will only be updated when a new request is received, normally when significant new event-related information becomes available. A new request may also ask for model re-runs when new meteorological Numerical Weather Prediction (NWP) data become available (for example, based on 00 UTC and 12 UTC forecas cycle updates). A new request will be issued whenever a new re-run is required.
2.5 Distribution of the basic set of output products and the Joint Statement to all NMHSs of the WMO States in the Region(s) of responsibility of each RSMC will only be done if requested by IAEA on the ENVIRONMENTAL EMERGENCY RESPONSE REQUEST FOR WMO RSMC SUPPORT FORM (i.e., action required "ALL RSMCS GENERATE PRODUCTS AND DISTRIBUTE WITHIN THEIR REGIONS" or if specified in "OTHER ACTIONS". See Annex 3).
Updated 6 May 2014
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