A multi‐model ensemble Kalman filter for data assimilation and forecasting
Data assimilation (DA) aims to optimally combine model forecasts and observations that are
both partial and noisy. Multi‐model DA generalizes the variational or Bayesian formulation …
both partial and noisy. Multi‐model DA generalizes the variational or Bayesian formulation …
On the properties of ensemble forecast sensitivity to observations
Evaluating impacts of observations on the skill of numerical weather prediction (NWP) is
important. The Ensemble Forecast Sensitivity to Observation (EFSO) provides an efficient …
important. The Ensemble Forecast Sensitivity to Observation (EFSO) provides an efficient …
Improving the Analysis and Forecast of Hurricane Dorian (2019) with Simultaneous Assimilation of GOES-16 All-Sky Infrared Brightness Temperatures …
CM Hartman, X Chen, EE Clothiaux… - Monthly Weather …, 2021 - journals.ametsoc.org
Recent studies have shown that the assimilation of all-sky infrared (IR) observations can be
beneficial for tropical cyclone analyses and predictions. The assimilation of tail Doppler …
beneficial for tropical cyclone analyses and predictions. The assimilation of tail Doppler …
[HTML][HTML] Correlation-cutoff method for covariance localization in strongly coupled data assimilation
Strongly coupled data assimilation (SCDA), where observations of one component of a
coupled model are allowed to directly impact the analysis of other components, sometimes …
coupled model are allowed to directly impact the analysis of other components, sometimes …
A framework for four-dimensional variational data assimilation based on machine learning
R Dong, H Leng, J Zhao, J Song, S Liang - Entropy, 2022 - mdpi.com
The initial field has a crucial influence on numerical weather prediction (NWP). Data
assimilation (DA) is a reliable method to obtain the initial field of the forecast model. At the …
assimilation (DA) is a reliable method to obtain the initial field of the forecast model. At the …
Combining ensemble Kalman filter and reservoir computing to predict spatiotemporal chaotic systems from imperfect observations and models
F Tomizawa, Y Sawada - Geoscientific Model Development, 2021 - gmd.copernicus.org
Prediction of spatiotemporal chaotic systems is important in various fields, such as numerical
weather prediction (NWP). While data assimilation methods have been applied in NWP …
weather prediction (NWP). While data assimilation methods have been applied in NWP …
Proactive quality control: Observing system simulation experiments with the Lorenz'96 model
Proactive quality control (PQC) is a fully flow-dependent QC for observations based on the
ensemble forecast sensitivity to observations technique (EFSO). It aims at reducing the …
ensemble forecast sensitivity to observations technique (EFSO). It aims at reducing the …
Proactive quality control: Observing system experiments using the NCEP global forecast system
Proactive quality control (PQC) is a fully flow dependent QC based on ensemble forecast
sensitivity to observations (EFSO). Past studies showed in several independent cases that …
sensitivity to observations (EFSO). Past studies showed in several independent cases that …
Machine learning enables real‐time proactive quality control: A proof‐of‐concept study
T Honda, A Yamazaki - Geophysical Research Letters, 2024 - Wiley Online Library
To improve the forecast accuracy of numerical weather prediction, it is essential to obtain
better initial conditions by combining simulations and available observations via data …
better initial conditions by combining simulations and available observations via data …
Quantum data assimilation: a new approach to solving data assimilation on quantum annealers
S Kotsuki, F Kawasaki, M Ohashi - Nonlinear Processes in …, 2024 - npg.copernicus.org
Data assimilation is a crucial component in the Earth science field, enabling the integration
of observation data with numerical models. In the context of numerical weather prediction …
of observation data with numerical models. In the context of numerical weather prediction …