The High-Resolution Rapid Refresh (HRRR): An hourly updating convection-allowing forecast model. Part I: Motivation and system description
DC Dowell, CR Alexander, EP James… - Weather and …, 2022 - journals.ametsoc.org
Abstract The High-Resolution Rapid Refresh (HRRR) is a convection-allowing
implementation of the Advanced Research version of the Weather Research and …
implementation of the Advanced Research version of the Weather Research and …
Simultaneous multiscale data assimilation using scale‐and variable‐dependent localization in EnVar for convection allowing analyses and forecasts: Methodology …
This study introduces a simultaneous multiscale data assimilation method by implementing
model space spatial scale‐dependent localization (SDL) and variable‐dependent …
model space spatial scale‐dependent localization (SDL) and variable‐dependent …
Impacts of adding hydrometeor control variables on the radar reflectivity data assimilation for the 6–8 August 2018 mesoscale convective system case
Hydrometeor information from radar reflectivity observations plays an important role in
initializing convective-scale numerical weather forecast (NWP). The introduction of …
initializing convective-scale numerical weather forecast (NWP). The introduction of …
Assimilation of GOES-16 ABI All-Sky Radiance Observations in RRFS Using EnVar: Methodology, System Development, and Impacts for a Severe …
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 …
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 …
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 …
(EnVar) system modified to directly assimilate radar reflectivity at convective scales. VTS is a …
Online nonlinear bias correction in ensemble Kalman filter to assimilate GOES‐R all‐sky radiances for the analysis and prediction of rapidly developing supercells
K Chandramouli, X Wang, A Johnson… - Journal of Advances in …, 2022 - Wiley Online Library
The present study introduces the online non‐linear bias correction for the assimilation of all‐
sky GOES‐16 Advanced Baseline Imager (ABI) channel 9 (6.9 μm) radiances in a rapidly …
sky GOES‐16 Advanced Baseline Imager (ABI) channel 9 (6.9 μm) radiances in a rapidly …
Valid time shifting for an experimental RRFS convection-allowing EnVar data assimilation and forecast system: Description and systematic evaluation in real time
This study describes a real-time implementation of valid time shifting (VTS) within the
Gridpoint Statistical Interpolation–based ensemble-variational (EnVar) data assimilation …
Gridpoint Statistical Interpolation–based ensemble-variational (EnVar) data assimilation …
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 …
GOES‐16 Advanced Baseline Imager (ABI) present an opportunity to improve analyses and …
Improving CONUS convective‐scale forecasting with simultaneous multiscale data assimilation
Accurate initialization of CONUS convective‐scale forecasting requires a proper estimate of
all resolved scales. This study further develops and examines a simultaneous multiscale …
all resolved scales. This study further develops and examines a simultaneous multiscale …
Rapid update with EnVar direct radar reflectivity data assimilation for the NOAA regional convection-allowing NMMB model over the CONUS: System description and …
This study first describes the extended Grid-Point Statistical Interpolation analysis system
(GSI)-based ensemble-variational data assimilation (DA) system within the North American …
(GSI)-based ensemble-variational data assimilation (DA) system within the North American …