Multiconstituent data assimilation with WRF‐Chem/DART: Potential for adjusting anthropogenic emissions and improving air quality forecasts over eastern China

C Ma, T Wang, AP Mizzi, JL Anderson… - Journal of …, 2019 - Wiley Online Library
Abstract We use the Weather Research and Forecasting Model with the chemistry/Data
Assimilation Research Testbed (WRF‐Chem/DART) chemical weather forecasting/data …

Development of the real‐time 30‐s‐update big data assimilation system for convective rainfall prediction with a phased array weather radar: Description and …

T Honda, A Amemiya, S Otsuka, GY Lien… - Journal of Advances …, 2022 - Wiley Online Library
We present the first ever real‐time numerical weather prediction system with 30‐s update
cycles at a 500‐m grid spacing for the prediction of convective precipitation in the …

On the properties of ensemble forecast sensitivity to observations

S Kotsuki, K Kurosawa, T Miyoshi - Quarterly Journal of the …, 2019 - Wiley Online Library
Evaluating impacts of observations on the skill of numerical weather prediction (NWP) is
important. The Ensemble Forecast Sensitivity to Observation (EFSO) provides an efficient …

Predictability of record-breaking rainfall in Japan in July 2018: Ensemble forecast experiments with the near-real-time global atmospheric data assimilation system …

S Kotsuki, K Terasaki, K Kanemaru, M Satoh, T Kubota… - Sola, 2019 - jstage.jst.go.jp
Abstract 1 This paper is the first publication presenting the predictability of the record-
breaking 2 rainfall in Japan in July 2018 (RJJ18), the severest flood-related disaster since …

Feasibility of formulating ecosystem biogeochemical models from established physical rules

J Tang, WJ Riley, S Manzoni… - Journal of Geophysical …, 2024 - Wiley Online Library
To improve the predictive capability of ecosystem biogeochemical models (EBMs), we
discuss the feasibility of formulating biogeochemical processes using physical rules that …

Adaptive tuning of uncertain parameters in a numerical weather prediction model based upon data assimilation

G Zängl - Quarterly Journal of the Royal Meteorological Society, 2023 - Wiley Online Library
In numerical weather prediction models, near‐surface quantities like 10‐m wind speed
(FF10M) or 2‐m temperature (T2M) tend to exhibit significantly larger forecast errors than the …

Combined state-parameter estimation with the LETKF for convective-scale weather forecasting

Y Ruckstuhl, T Janjić - Monthly Weather Review, 2020 - journals.ametsoc.org
We investigate the feasibility of addressing model error by perturbing and estimating
uncertain static model parameters using the localized ensemble transform Kalman filter. In …

[HTML][HTML] Global precipitation forecasts by merging extrapolation-based nowcast and numerical weather prediction with locally optimized weights

S Kotsuki, K Kurosawa, S Otsuka… - Weather and …, 2019 - journals.ametsoc.org
Global Precipitation Forecasts by Merging Extrapolation-Based Nowcast and Numerical Weather
Prediction with Locally Optimized Weights in: Weather and Forecasting Volume 34 Issue 3 …

[HTML][HTML] Improvements in supercooled liquid water simulations of low-level mixed-phase clouds over the Southern Ocean using a single-column model

T Seiki, W Roh - Journal of the Atmospheric Sciences, 2020 - journals.ametsoc.org
Improvements in Supercooled Liquid Water Simulations of Low-Level Mixed-Phase Clouds over
the Southern Ocean Using a Single-Column Model in: Journal of the Atmospheric Sciences …

Data assimilation for climate research: model parameter estimation of large‐scale condensation scheme

S Kotsuki, Y Sato, T Miyoshi - Journal of Geophysical Research …, 2020 - Wiley Online Library
This study proposes using data assimilation (DA) for climate research as a tool for optimizing
model parameters objectively. Mitigating radiation bias is very important for climate change …