Aneesh C. Subramanian

Monthly Modulations of ENSO Teleconnections: Implications for Potential Predictability in North America

Using a high-resolution atmospheric general circulation model simulation of unprecedented ensemble size, we examine potential predictability of monthly anomalies under El …

william-e.-chapman
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Initialized Earth System prediction from subseasonal to decadal timescales

Initialized climate predictions offer distinct benefits for multiple stakeholders. This Review discusses initialized prediction on subseasonal to seasonal (S2S), seasonal to …

gerald-a.-meehl
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Enhancing ensemble data assimilation into one-way-coupled models with one-step-ahead smoothing

This study investigates the filtering problem with one-way coupled (OWC) state-space systems, for which the joint ensemble Kalman filter (EnKF) is the standard solution. In this …

naila-f.-raboudi
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Tropical climate variability in the Community Earth System Model: Data Assimilation Research Testbed

A new prototype coupled ocean-atmosphere Ensemble Kalman Filter reanalysis product, the Community Earth System Model using the Data Assimilation Research Testbed (CESM-DART), is …

jonathan-eliashiv
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Machine Learning for Stochastic Parameterization: Generative Adversarial Networks in the Lorenz `96 Model

Stochastic parameterizations account for uncertainty in the representation of unresolved subgrid processes by sampling from the distribution of possible subgrid forcings. Some …

ii-gagne
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How Does El Nino-Southern Oscillation Change Under Global Warming-A First Look at CMIP6

The latest generation of coupled models, the sixth Coupled Models Intercomparison Project (CMIP6), is used to study the changes in the El Nino-Southern Oscillation (ENSO) in a …

hege-beate-fredriksen
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Forecast Errors and Uncertainties in Atmospheric Rivers

A key aim of observational campaigns is to sample atmosphere-ocean phenomena to improve understanding of these phenomena, and in turn, numerical weather prediction. In early …

david-a.-lavers
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Estimation and prediction of the upper ocean circulation in the Bay of Bengal

The upper ocean stratification and circulation in the Bay of Bengal (BOB) plays a key role in the northward propagating monsoon intraseasonal oscillation during the months of …

ganesh-gopalakrishnan
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A Reliability Budget Analysis of CESM-DART

A reliability budget is used to diagnose potential sources of error (departure from observations) in a new prototype coupled ocean-atmosphere ensemble Kalman filter reanalysis …

jonathan-eliashiv
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