[HTML][HTML] What does a convection-allowing ensemble of opportunity buy us in forecasting thunderstorms?

B Roberts, BT Gallo, IL Jirak, AJ Clark… - Weather and …, 2020 - journals.ametsoc.org
What Does a Convection-Allowing Ensemble of Opportunity Buy Us in Forecasting
Thunderstorms? in: Weather and Forecasting Volume 35 Issue 6 (2020) Jump to Content …

Assimilation of GOES-16 ABI All-Sky Radiance Observations in RRFS Using EnVar: Methodology, System Development, and Impacts for a Severe …

SK Degelia, X Wang, Y Wang… - Monthly Weather …, 2023 - journals.ametsoc.org
Abstract The Advanced Baseline Imager (ABI) aboard the GOES-16 and GOES-17 satellites
provides high-resolution observations of cloud structures that could be highly beneficial for …

Using a cost-effective approach to increase background ensemble member size within the GSI-based EnVar system for improved radar analyses and forecasts of …

NA Gasperoni, X Wang, Y Wang - Monthly Weather Review, 2022 - journals.ametsoc.org
A valid time shifting (VTS) method is explored for the GSI-based ensemble variational
(EnVar) system modified to directly assimilate radar reflectivity at convective scales. VTS is a …

[HTML][HTML] Development of convective-scale static background error covariance within GSI-based hybrid EnVar system for direct radar reflectivity data assimilation

Y Wang, X Wang - Monthly Weather Review, 2021 - journals.ametsoc.org
A convective-scale static background-error covariance (BEC) matrix is further developed to
include the capability of direct reflectivity assimilation and evaluated within the GSI-based …

Valid time shifting for an experimental RRFS convection-allowing EnVar data assimilation and forecast system: Description and systematic evaluation in real time

NA Gasperoni, X Wang, Y Wang - Monthly Weather Review, 2023 - journals.ametsoc.org
This study describes a real-time implementation of valid time shifting (VTS) within the
Gridpoint Statistical Interpolation–based ensemble-variational (EnVar) data assimilation …

Impacts of initial condition perturbation blending in 10-and 40-member convection-allowing ensemble forecasts

A Johnson, X Wang - Monthly Weather Review, 2024 - journals.ametsoc.org
A series of convection-allowing 36-hour ensemble forecasts during the 2018 Spring season
are used to better understand the impacts of ensemble configuration and blending different …

Impacts of assimilating GOES‐16 ABI channels 9 and 10 clear air and cloudy radiance observations with additive inflation and adaptive observation error in GSI‐EnKF …

A Johnson, X Wang, T Jones - Journal of Geophysical …, 2022 - Wiley Online Library
The unprecedentedly high space and time resolution of infrared radiance observations from
GOES‐16 Advanced Baseline Imager (ABI) present an opportunity to improve analyses and …

Improving CONUS convective‐scale forecasting with simultaneous multiscale data assimilation

Y Wang, X Wang - Journal of Geophysical Research …, 2024 - Wiley Online Library
Accurate initialization of CONUS convective‐scale forecasting requires a proper estimate of
all resolved scales. This study further develops and examines a simultaneous multiscale …

[HTML][HTML] Toward unifying short-term and next-day convection-allowing ensemble forecast systems with a continuously cycling 3-km ensemble Kalman filter over the …

CS Schwartz, GS Romine… - Weather and …, 2021 - journals.ametsoc.org
Abstract Using the Weather Research and Forecasting Model, 80-member ensemble
Kalman filter (EnKF) analyses with 3-km horizontal grid spacing were produced over the …

Verification and Model Configuration Sensitivity of Simulated ABI Radiance Forecasts With the FV3‐LAM Model

A Johnson, X Wang, BT Blake, E Rogers… - Earth and Space …, 2023 - Wiley Online Library
This study evaluates simulated radiance forecasts from a series of controlled experiments
consisting of FV3‐LAM forecasts with different configurations of model physics and vertical …