Preprint
Sep 2026
Ensemble Forecast Updates without Model Re-integration Based on Ultra-rapid Data Assimilation: Idealized Experiments with a Heavy Rainfall Case
The results show that the threat score for hourly precipitation is generally improved in the forecasts updated by URDA relative to the pre-existing baseline forecasts, through the ensemble-based error covariance.
Fumitoshi Kawasaki, K. Kurosawa, Atsushi Okazaki et al.
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