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An assimilation and forecasting experiment of the Nerima heavy rainfall with a cloud-resolving nonhydrostatic 4-dimensional variational data assimilation system

Kawabata, T.; Seko, H.; Saito, K.; Kuroda, T.; Tamiya, K.; Tsuyuki, T.; Honda, Y.; Wakazuki, Y.

Journal of the Meteorological Society of Japan 85(3): 255-276

2007

ISSN/ISBN: 0026-1165
Accession: 015014160
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The Meteorological Research Institute of the Japan Meteorological Agency has developed a cloud-resolving nonhydrostatic 4-dimensional variational assimilation system (NHM-4DVAR), based on the Japan Meteorological Agency Nonhydrostatic Model (JMA-NHM), in order to investigate the mechanism of heavy rainfall events induced by mesoscale convective systems (MCSs). A horizontal resolution of the NHM-4DVAR is set to 2 km to resolve MCSs, and the length of the assimilation window is 1-hour.

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