2021-07-26[Topic]Predicting torrential rain with the supercomputer Fugaku
A research group led by scientists from the RIKEN Center for Computational Science will be using the supercomputer Fugaku to make rain predictions for the Tokyo metropolitan area. During the experiment, predictions of conditions up to 30 minutes into the future will be updated every 30 seconds, with a resolution of 500 meters, based on observational data gathered by the state-of-the-art Multi-Parameter Phased Array Weather Radar (MP-PAWR) operated by the National Institute of Information and Communications Technology (NICT) in Saitama City. Using advanced data assimilation, the key technique studied by the group, the observational data will be incorporated into simulations run on Fugaku, allowing for extremely accurate predictions. Using Fugaku’s power, the group will run an ensemble of 1,000 simultaneous simulations.
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