Eric D. Maloney
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View article: Mixed Layer and Oceanic Kelvin Wave Response Biases to Equatorial Pacific Westerly Wind Events in CMIP6 Models
Mixed Layer and Oceanic Kelvin Wave Response Biases to Equatorial Pacific Westerly Wind Events in CMIP6 Models Open
This study explores the biases in westerly wind events (WWEs) and their induced oceanic Kelvin waves (OKWs) in seven CMIP6 models from three modeling centers that provide daily thermocline depth output. Among the WWEs and OKWs identified i…
View article: Unified Forecast System Prediction of the Madden‐Julian Oscillation and Its Influence on East Pacific During Boreal Summer
Unified Forecast System Prediction of the Madden‐Julian Oscillation and Its Influence on East Pacific During Boreal Summer Open
This study evaluates the subseasonal‐to‐seasonal (S2S) prediction skill of the Madden‐Julian Oscillation (MJO) and its impacts on the east Pacific (EP) tropical cyclogenesis in the Unified Forecast System (UFS) during boreal summer (May–Oc…
View article: Projected Sea Surface Temperature Pattern Change and Madden‐Julian Oscillation Activity in a Warmer Climate
Projected Sea Surface Temperature Pattern Change and Madden‐Julian Oscillation Activity in a Warmer Climate Open
The Madden Julian Oscillation (MJO) consists of a tropical convective region that propagates eastward through the Indo‐Pacific warm pool. Decadal climate variability alters sea surface temperature patterns, affecting the MJO's basic state.…
View article: MJO‐TC Teleconnections and Their Influence on North American Precipitation: Implications for Subseasonal Prediction
MJO‐TC Teleconnections and Their Influence on North American Precipitation: Implications for Subseasonal Prediction Open
This study investigates the impact of the Madden‐Julian Oscillation (MJO) on North American summer precipitation, focusing on tropical cyclones (TCs). Using observations and state‐of‐the‐art subseasonal‐to‐seasonal (S2S) models, the influe…
View article: Modulation of tropical cyclogenesis on subseasonal-to-interannual timescales in the deep-learning climate emulator ACE2
Modulation of tropical cyclogenesis on subseasonal-to-interannual timescales in the deep-learning climate emulator ACE2 Open
Deep-learning global climate emulators are providing a new lens to investigate tropical cyclogenesis (TC genesis). However, without explicitly enforcing known physics, it is necessary to assess whether TC genesis in these models is physica…
View article: Turning Up the Heat: Assessing 2-m Temperature Forecast Errors in AI Weather Prediction Models During Heat Waves
Turning Up the Heat: Assessing 2-m Temperature Forecast Errors in AI Weather Prediction Models During Heat Waves Open
Extreme heat is the deadliest weather-related hazard in the United States. Furthermore, it is increasing in intensity, frequency, and duration, making skillful forecasts vital to protecting life and property. Traditional numerical weather …
View article: Dynamics and Energetics Associated With Two East Pacific Easterly Waves During the OTREC Campaign in August 2019
Dynamics and Energetics Associated With Two East Pacific Easterly Waves During the OTREC Campaign in August 2019 Open
This study investigates the vertical structure and related dynamical and energy conversion processes that aided the development of two east Pacific easterly waves (EWs) during the 2019 OTREC (Organization of Tropical East Pacific Convectio…
View article: Radiative feedbacks in the Madden-Julian oscillation
Radiative feedbacks in the Madden-Julian oscillation Open
The organization of tropical deep convection is supported by radiative feedbacks, in which high clouds and moisture anomalies associated with convection imposes anomalous longwave (LW) radiative heating in the atmosphere, further supportin…
View article: The Longwave Cloud‐Radiative Feedback in Tropical Waves Derived by Different Precipitation Data Sets
The Longwave Cloud‐Radiative Feedback in Tropical Waves Derived by Different Precipitation Data Sets Open
Anomalous tropical longwave cloud‐radiative heating of the atmosphere is generated when convective precipitation occurs, which plays an important role in the dynamics of tropical disturbances. Defining the observed cloud‐radiative feedback…
View article: Maintenance of MJO Convection by Radiative Feedbacks  
Maintenance of MJO Convection by Radiative Feedbacks   Open
The maintenance mechanisms for the Madden-Julian oscillation (MJO) remain an area of active research, and may include a combination of radiative feedbacks, wind-evaporation feedbacks, and moistening produced by lower tropospheric convectiv…
View article: Tornadoes in Southeast South America: Mesoscale to Planetary-Scale Environments
Tornadoes in Southeast South America: Mesoscale to Planetary-Scale Environments Open
A multiscale analysis of the environment supporting tornadoes in southeast South America (SESA) was conducted based on a self-constructed database of 74 reports. Composites of environmental and convective parameters from ERA5 were generate…
View article: The Longwave Cloud-radiative Feedback in Tropical Waves Derived by Different Precipitation Datasets
The Longwave Cloud-radiative Feedback in Tropical Waves Derived by Different Precipitation Datasets Open
The tropical longwave cloud-radiative feedback is calculated using outgoing longwave radiation (OLR) and precipitation in two versions of Global Precipitation Climatology Project, version 1.3 (GPCPv1.3) and the newer version 3.2 (GPCPv3.2)…
View article: Process-Oriented Diagnostics: Principles, Practice, Community Development, and Common Standards
Process-Oriented Diagnostics: Principles, Practice, Community Development, and Common Standards Open
Process-oriented diagnostics (PODs) aim to provide feedback for model developers through model analysis based on physical hypotheses. However, the step from a diagnostic based on relationships among variables, even when hypothesis driven, …
View article: Diurnal Cycle of Wind Speed and Precipitation Over the Northern Australia Coastal Region: CYGNSS Observations
Diurnal Cycle of Wind Speed and Precipitation Over the Northern Australia Coastal Region: CYGNSS Observations Open
The diurnal cycle of precipitation and its associated land‐sea breeze circulation over coastal northern Australia are investigated using surface wind speed and enthalpy (latent and sensible heat) fluxes from the Cyclone Global Navigation S…
View article: The Diurnal Cycle of East Pacific Convection, Moisture, and CYGNSS Wind Speed and Fluxes
The Diurnal Cycle of East Pacific Convection, Moisture, and CYGNSS Wind Speed and Fluxes Open
The far eastern tropical Pacific is one of the rainiest locations on Earth. This region is characterized by a robust diurnal cycle with precipitation initiating over the Andes mountains in Colombia in the late afternoon and moving offshore…
View article: Emergence of Madden-Julian oscillation precipitation and wind amplitude changes in a warming climate
Emergence of Madden-Julian oscillation precipitation and wind amplitude changes in a warming climate Open
The Madden-Julian oscillation (MJO) has profound impacts on weather and climate phenomena, and thus changes in its activity have important implications under human-induced global climate change. Here, the time at which the MJO change signa…
View article: Effect of the Coastal Large-Scale Environment on the Tropical Diurnal Cycle
Effect of the Coastal Large-Scale Environment on the Tropical Diurnal Cycle Open
Environmental conditions supporting offshore propagation of diurnal precipitation near tropical coastlines are examined. In particular, the effect of the near-coastal background wind, moisture, and surface wind speed and fluxes on offshore…
View article: The Role of Surface Fluxes in MJO Propagation through the Maritime Continent
The Role of Surface Fluxes in MJO Propagation through the Maritime Continent Open
The “barrier effect” of the Maritime Continent (MC) is a known hurdle in understanding the propagation of the Madden–Julian oscillation (MJO). To understand the differing dynamics of MJO events that propagate versus stall over the MC, a ne…
View article: Seasonal Locking of the MJO’s Southward Detour of the Maritime Continent: The Role of the Australian Monsoon
Seasonal Locking of the MJO’s Southward Detour of the Maritime Continent: The Role of the Australian Monsoon Open
This study investigates why the major convective envelope of the Madden–Julian oscillation (MJO) detours to the south of the Maritime Continent (MC) only during boreal winter [December–March (DJFM)]. To examine processes affecting this MJO…
View article: Summer Midlatitude Stationary Wave Patterns Synchronize Northern Hemisphere Wildfire Occurrence
Summer Midlatitude Stationary Wave Patterns Synchronize Northern Hemisphere Wildfire Occurrence Open
Midlatitude stationary waves are relatively persistent large‐scale longitudinal variations in atmospheric circulation. Although recent case studies have suggested a close connection between stationary waves and extreme weather events, litt…
View article: Using Simple, Explainable Neural Networks to Predict the Madden‐Julian Oscillation
Using Simple, Explainable Neural Networks to Predict the Madden‐Julian Oscillation Open
Few studies have utilized machine learning techniques to predict or understand the Madden‐Julian oscillation (MJO), a key source of subseasonal variability and predictability. Here, we present a simple framework for real‐time MJO predictio…
View article: Intraseasonal Variability of the Philippines Diurnal Cycle
Intraseasonal Variability of the Philippines Diurnal Cycle Open
<p>The diurnal cycle in tropical islands is critical for water supplies and agriculture, and potentially has important feedbacks onto longer timescale tropical disturbances. However, the conditions that regulate the diurnal cycle of …
View article: Role of the Tropics in State‐Dependent Improvements of US West Coast NOAA Unified Forecast System Precipitation Forecasts
Role of the Tropics in State‐Dependent Improvements of US West Coast NOAA Unified Forecast System Precipitation Forecasts Open
Boreal‐wintertime hindcasts in the Unified Forecast System with the tropics nudged toward reanalysis improve United States (US) West Coast precipitation forecasts at Weeks 3–4 lead times when compared to those without nudging. To diagnose …
View article: The Effect of Projected Sea Surface Temperature (SST) Pattern Changes on Tropical Precipitation using CESM 1
The Effect of Projected Sea Surface Temperature (SST) Pattern Changes on Tropical Precipitation using CESM 1 Open
Earth and Space Science Open Archive PosterOpen AccessYou are viewing the latest version by default [v1]The Effect of Projected Sea Surface Temperature (SST) Pattern Changes on Tropical Precipitation using CESM 1AuthorsAmandaBowdeniDEricMa…
View article: Quasi-Biweekly Extensions of the Monsoon Winds and the Philippines Diurnal Cycle
Quasi-Biweekly Extensions of the Monsoon Winds and the Philippines Diurnal Cycle Open
The impact of quasi-biweekly variability in the monsoon southwesterly winds on the precipitation diurnal cycle in the Philippines is examined using CMORPH precipitation, ERA5 data, and outgoing longwave radiation (OLR) fields. Both a case …