📡理研、10分ごとに更新する気象予測
理化学研究所（理研）の共同研究グループ※は、スーパーコンピュータ「京」[1]と気象衛星ひまわり8号による観測ビッグデータを用いて10分ごとに更新する気象予測手法を開発し、台風や集中豪雨、それに伴う洪水の予測への有効性を確認しました。
2015年7月7日に運用が開始された静止気象衛星ひまわり8号は、従来の衛星ひまわり7号の約50倍のビッグデータを生み出す高性能センサを搭載し、10分ごとに丸い地球全体を撮像します。
理化学研究所
http://www.riken.jp/pr/press/2018/20180118_1/
Himawari-8 data assimilated simulation enables 10-minute updates of rain and flood predictions.
Using the power of Japan’s K computer, scientists from the RIKEN Advanced Institute for Computational Science and collaborators have shown that incorporating satellite data at frequent intervals—ten minutes in the case of this study—into weather prediction models can significantly improve the rainfall predictions of the models and allow more precise predictions of the rapid development of a typhoon.
Weather prediction models attempt to predict future weather by running simulations based on current conditions taken from various sources of data.
However, the inherently complex nature of the systems, coupled with the lack of precision and timeliness of the data, makes it difficult to conduct accurate predictions, especially with weather systems such as sudden precipitation.
RIKEN
http://www.riken.jp/en/pr/press/2018/20180118_1/