Recent upgrades to the Met Office convective‐scale ensemble: an hourly time‐lagged 5‐day ensemble

AN Porson, JM Carr, S Hagelin… - Quarterly Journal of …, 2020 - Wiley Online Library
In this article, we introduce a new configuration of the Met Office convective‐scale ensemble
for numerical weather prediction, for the Met Office Global and Regional Ensemble …

An object-based and Lagrangian view on an intense hailstorm day in Switzerland as represented in COSMO-1E ensemble hindcast simulations

KP Brennan, M Sprenger, A Walser… - …, 2024 - egusphere.copernicus.org
On 28 June 2021, Switzerland experienced the passage of several formidable hailstorms,
navigating its complex terrain. They unleashed severe hailstones measuring up to 9 cm in …

Insights into convective-scale predictability in East China: Error growth dynamics and associated impact on precipitation of warm-season convective events

X Zhuang, J Min, L Zhang, S Wang, N Wu… - Advances in Atmospheric …, 2020 - Springer
This study investigated the regime-dependent predictability using convective-scale
ensemble forecasts initialized with different initial condition perturbations in the Yangtze and …

Case dependence of multiscale interactions between multisource perturbations for convection-permitting ensemble forecasting during SCMREX

X Zhang - Monthly Weather Review, 2021 - journals.ametsoc.org
This study examines the case dependence of the multiscale characteristics of initial
condition (IC) and model physics (MO) perturbations and their interactions in a convection …

[HTML][HTML] Validation of pure rotational Raman temperature data from the Raman Lidar for Meteorological Observations (RALMO) at Payerne

G Martucci, F Navas-Guzmán, L Renaud… - Atmospheric …, 2021 - amt.copernicus.org
Abstract The Raman Lidar for Meteorological Observations (RALMO) is operated at the
MeteoSwiss station of Payerne (Switzerland) and provides, amongst other products …

Improving the precipitation forecast over the Eastern Mediterranean using a smoothed time‐lagged ensemble

P Khain, Y Levi, A Shtivelman… - Meteorological …, 2020 - Wiley Online Library
In the absence of convection permitting numerical weather prediction (NWP) ensembles, the
most recent deterministic NWP precipitation forecast is usually addressed. However, the …

[HTML][HTML] Error growth dynamics within convection-allowing ensemble forecasts over central US regions for days of active convection

X Zhuang, M Xue, J Min, Z Kang, N Wu… - Monthly Weather …, 2021 - journals.ametsoc.org
Error growth is investigated based on convection-allowing ensemble forecasts starting from
0000 UTC for 13 active convection events over central to eastern US regions from spring …

Differential reflectivity columns and hail--linking C-band radar-based estimated column characteristics to crowdsourced hail observations in Switzerland

M Aregger, O Martius, U Germann, A Hering - arXiv preprint arXiv …, 2024 - arxiv.org
Differential reflectivity columns (ZDRC) have been shown to provide information about a
storm's updraft intensity and size. The updraft's characteristics, in turn, influence a severe …

A new integral method for directly partitioning flow fields in limited domains over complex underlying surfaces

J Cao, Q Xu, H Chen - Atmospheric Research, 2023 - Elsevier
A new integral method is developed for directly partitioning a horizontal velocity field into its
rotational and divergent components in a limited domain without actually computing stream …

[PDF][PDF] Impacts of increasing model resolutions and shortening forecast lead times on QPFs in South China during the rainy season

X Zhang, JS Li, YL Luo, XH Bao, JY Chen… - Journal of Tropical …, 2023 - researchgate.net
This study investigated the impacts of increasing model resolutions and shortening forecast
lead times on the quantitative precipitation forecast (QPF) for heavy-rainfall events over …