Quantification of NSSL Warn-on-Forecast System accuracy by storm age using object-based verification

JE Guerra, PS Skinner, A Clark, M Flora… - Weather and …, 2022 - journals.ametsoc.org
Abstract The National Severe Storm Laboratory's Warn-on-Forecast System (WoFS) is a
convection-allowing ensemble with rapidly cycled data assimilation (DA) of various satellite …

[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 …

Anatomy of a storm: A review of shape analysis research that fuses form and function in weather forecasting and analysis

SE Zick - Progress in Physical Geography: Earth and …, 2023 - journals.sagepub.com
Features in the natural and built environment can be viewed as objects, and an object's
shape provides valuable information about the physical processes that generate those …

[HTML][HTML] Exploring the watch-to-warning space: Experimental outlook performance during the 2019 Spring Forecasting Experiment in NOAA's Hazardous Weather …

BT Gallo, KA Wilson, J Choate… - Weather and …, 2022 - journals.ametsoc.org
Abstract During the 2019 Spring Forecasting Experiment in NOAA's Hazardous Weather
Testbed, two NWS forecasters issued experimental probabilistic forecasts of hail, tornadoes …

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 …

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 …

[HTML][HTML] Systematic evaluation of the impact of assimilating a network of ground-based remote sensing profilers for forecasts of nocturnal convection initiation during …

SK Degelia, X Wang, DJ Stensrud… - Monthly Weather …, 2020 - journals.ametsoc.org
Adams-Selin, R., and RS Schumacher, 2019: Observations of low-frequency gravity waves
during the PECAN field campaign. 18th Conf. on Mesoscale Processes, Savannah, GA …

[HTML][HTML] Large-sample application of radar reflectivity object-based verification to evaluate HRRR warm-season forecasts

JD Duda, DD Turner - Weather and Forecasting, 2021 - journals.ametsoc.org
Abstract The Method of Object-based Diagnostic Evaluation (MODE) is used to perform an
object-based verification of approximately 1400 forecasts of composite reflectivity from the …

[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 …