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Table of Contents


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NEWS!

Update on available test data and products

Atos 47r3 Release Candidate test data available now

  • Technical content

    •   47r3 Release Candidate Phase to start on 19 July 2022

      Update of implementation timeline

     Announcement and availability of test data


    Implementation plan

    To switch the operational forecast to the Atos machine we will use a process similar to the implementation of new model cycles. During the Release Candidate Phase we will run a frozen test system in parallel and close to the operational schedule. A Release Candidate Phase of at least 3 months will give forecast users the opportunity to not only test the model output itself but use it to test all other components of the new infrastructure in Bologna. While the model output data on the Atos machine will be different from that currently produced operationally on the Cray, it is expected to be meteorologically equivalent.

    Indicative timeline 

    Roadmap Planner
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    source%7B%22title%22%3A%22Roadmap%20Planner%22%2C%22timeline%22%3A%7B%22startDate%22%3A%222022-05-01%2000%3A00%3A00%22%2C%22endDate%22%3A%222022-12-15%2000%3A00%3A00%22%2C%22displayOption%22%3A%22MONTH%22%7D%2C%22lanes%22%3A%5B%7B%22title%22%3A%22Cray%2FRDG%22%2C%22color%22%3A%7B%22lane%22%3A%22%233b7fc4%22%2C%22bar%22%3A%22%236c9fd3%22%2C%22text%22%3A%22%23ffffff%22%2C%22count%22%3A1%7D%2C%22bars%22%3A%5B%7B%22rowIndex%22%3A0%2C%22startDate%22%3A%222022-04-01%2007%3A07%3A43%22%2C%22id%22%3A%224e06d52e-c3d5-4f0c-b314-fb460f127786%22%2C%22title%22%3A%22Operational%20forecast%22%2C%22description%22%3A%22%22%2C%22duration%22%3A6.603960396039604%2C%22pageLink%22%3A%7B%7D%7D%5D%7D%2C%7B%22title%22%3A%22Atos%20%2F%20Bologna%22%2C%22color%22%3A%7B%22lane%22%3A%22%23ea632b%22%2C%22bar%22%3A%22%23ef8a60%22%2C%22text%22%3A%22%23ffffff%22%2C%22count%22%3A1%7D%2C%22bars%22%3A%5B%7B%22rowIndex%22%3A1%2C%22startDate%22%3A%222022-07-20%2015%3A26%3A43%22%2C%22id%22%3A%227768bb41-03c6-4801-a899-cb85585af863%22%2C%22title%22%3A%22Release%20Candidate%20Phase%22%2C%22description%22%3A%22%22%2C%22duration%22%3A2.99009900990099%2C%22pageLink%22%3A%7B%7D%7D%2C%7B%22rowIndex%22%3A2%2C%22startDate%22%3A%222022-10-20%2000%3A42%3A46%22%2C%22id%22%3A%228bcaae28-6084-48f1-bae1-3f4c27c43ce0%22%2C%22title%22%3A%22Operational%20forecast%22%2C%22description%22%3A%22%22%2C%22duration%22%3A2.396039603960396%2C%22pageLink%22%3A%7B%7D%7D%2C%7B%22rowIndex%22%3A0%2C%22startDate%22%3A%222022-04-01%2000%3A00%3A00%22%2C%22id%22%3A%226634eb79-de47-4ac7-a02e-1a19c94a8994%22%2C%22title%22%3A%22Beta%20test%20data%22%2C%22description%22%3A%22%22%2C%22duration%22%3A3.633663366336634%2C%22pageLink%22%3A%7B%7D%7D%5D%7D%5D%2C%22markers%22%3A%5B%7B%22title%22%3A%22Marker%201%22%2C%22markerDate%22%3A%222021-10-15%2000%3A00%3A00%22%7D%2C%7B%22markerDate%22%3A%222022-10-20%2000%3A42%3A46%22%2C%22title%22%3A%2218%2F10%20Operational%20forecast%20switch-over%22%7D%2C%7B%22markerDate%22%3A%222022-07-20%2015%3A26%3A43%22%2C%22title%22%3A%2219%2F7%20RCP%20start%22%7D%5D%7D
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    Technical content

    Users should not see any technical differences between the Atos IFS Cycle 47r3 data and products and current operational ones produced on our Cray systems in Reading. Users can continue using their existing software packages to decode the Atos IFS Cycle 47r3 data.  See 47r3 software requirements for more details.

    Atos IFS Cycle 47r3 test data and products

    Test data in MARS

    IFS Cycle 47r3 Release Candidate test data is available from MARS with experiment version 0077 (MARS keyword EXPVER=0077): 

    Only users registered with access to MARS will be able to access these test data sets. The data should not be used for operational forecasting.  Please report any problems you find with this data via the ECMWF Support Portal.

    The Release Candidate test data in ECPDS, available from , will be generated daily, shortly behind operational high resolution and ensemble runs and based on the operational dissemination requirements. The availability of the test data does not follow any strict schedule.

    For longer time series available beta test data with EXPVER=9077 from can be used. 

    Test data in dissemination

    Atos IFS Cycle 47r3 test data from the Release Candidate Phase will be available through the test dissemination system, starting from the 00Z run on . Users with access to ECPDS can login to the test system in Bologna at https://xdiss-monitor.ecmwf.int/do/start and trigger the transmission of test products in the usual manner. To receive the test data from Bologna, we will remind users to to have their firewall open to the relevant ECPDS Data Movers (cf. https://confluence.ecmwf.int/x/FyFEDg):

    • Internet:

      • 136.156.192.0/26
      • 136.156.193.0/26

      RMDCN:

      • 136.156.196.0/26
      • 136.156.197.0/26

    The Atos IFS Cycle 47r3 test products are available as version number 77 (file names ending with '77' with the ecCodes key expver=77 in the GRIB messages) and are intended to be generated shortly behind real-time. The test products will be based on the operational dissemination requirements and updated in near real time when changes to the requirements are made. The test products will be available for HRES, HRES-WAM, ENS, ENS-WAM and , ENS extended and SEAS. Test data for from the Boundary Condition program, HRES and ENS runs at 06:00 and 18:00 UTC will become , is also available shortly.

    Access to the operational PREd will be closed at 9 UTC on 16 October. Any changes to the operational requirements can be implemented after 10 UTC on 18 October.

    If you don't have access to the ECPDS system or PREd or should you require any assistance with Atos IFS Cycle 47r3 test dissemination products, please contact us via the Support Portal.

    Note
    titleDissemination hosts on test ECPDS

    The ECPDS dissemination hosts on the test dissemination system in Bologna have been copied over from the operational ECPDS system in Reading. Unlike the PREd requirements, the destination hosts in Bologna will not be automatically updated during  the Release Candidate Phase, unless agreed with our users. Please do contact us via the Support Portal if any destination hosts need to be updated under ECPDS in Bologna.

     

    Info
    titleMigration of data dissemination

    ECMWF will also contact very shortly our users with access to ECPDS to offer further options to test the ECPDS from Bologna. See Migration of data dissemination (ECPDS).


    Warning
    titleECPDS through ECaccess not yet available

    ECaccess in Bologna is unfortunately not yet available. This users using ECPDS through ECaccess will not yet be able to transfer the ECPDS products. Please contact us via the Support Portal to discuss what other options are available.


    Graphical display of test data in ecCharts

    Layers of Atos IFS Cycle For this technical change it is not planned to make IFS cycle 47r3 Release Candidate test data will be released available in ecCharts at a later stage, most likely in September.. 

    Web charts based on test data

    The For this technical change it is not planned to make available OpenCharts based on the Atos IFS Cycle cycle 47r3 Release Candidate test data will be released at a later stage, most likely in September.

    WMO Essential and Additional test data

    Atos IFS Cycle cycle 47r3 WMO ( Essential and Additional) test data will be made available very shortlytest data starting from the 00Z run on is available at https://xdiss.ecmwf.int/ecpds/home/wmo/.

    Time-critical applications

    Option 1 - simple time-critical jobs

    Member State users of the  "Simple time-critical jobs" framework will be able to test their jobs on Atos when ECaccess in Bologna become available.

    Options 2 and 3

    Option 2 or 3 time-critical applications can be tested with the Atos IFS Cycle 47r3 test data retrieved from MARS or received in Dissemination.

    Note
    titleECPDS Destination hosts in Bologna for Option 2 activities
    The dissemination hosts in Bologna used for Time Critical 2 applications point to the the Cray HPC systems in Reading. Please contact us via the Support Portal if you want the Release Candidate test data to be sent to the Atos systems in Bologna.