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A case study of radar observations and WRF LES simulations of the impact of...
Several Weather Research and Forecasting (WRF) Model simulations of natural and seeded clouds have been conducted in non-LES and LES (large-eddy simulation) modes to investigate...- publication PDF
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Initiation of coalescence in a cumulus cloud: A beneficial influence of...
Although rain has been observed to form in warm cumulus clouds within about twenty minutes, calculations that represent condensation and coalescence accurately in such clouds...- publication PDF
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CMEs and SEPs during November-December 2020: A challenge for real-time space...
Predictions of coronal mass ejections (CMEs) and solar energetic particles (SEPs) are a central issue in space weather forecasting. In recent years, interest in space weather...- publication PDF
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Thermospheric responses to the 3 and 4 November 2021 geomagnetic storm...
Leveraging observations by two NASA missions-GOLD (Global-scale Observations of the Limb and Disk) and ICON (Ionospheric Connection Explorer), we investigate concurrent...- publication PDF
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Air quality remote sensing from space
Recent advances in tropospheric remote sensing have opened the way for measuring, monitoring, and understanding processes that lead to atmospheric pollution. As part of an...- publication PDF
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Upward transport into and within the Asian monsoon anticyclone as inferred...
Every year during the Asian summer monsoon season from about mid-June to early September, a stable anticyclonic circulation system forms over the Himalayas. This Asian summer...- publication PDF
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Algorithm stability and the long-term geospace data record from TIMED/SABER
The ability of satellite instruments to accurately observe long-term changes in atmospheric temperature depends on many factors including the absolute accuracy of the...- publication PDF
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Latent Linear Adjustment Autoencoder v1.0: A novel method for estimating and...
A key challenge in climate science is to quantify the forced response in impact-relevant variables such as precipitation against the background of internal variability, both in...- publication PDF
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Simulation of the intraseasonal variability over the eastern Pacific ITCZ in...
During boreal summer, convective activity over the eastern Pacific (EPAC) inter-tropical convergence zone (ITCZ) exhibits vigorous intraseasonal variability (ISV). Previous...- publication PDF
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On Recent Large Antarctic Ozone Holes and Ozone Recovery Metrics
The 2015 and 2020 ozone holes set record sizes in October-December. We show that these years, as well as other recent large ozone holes, still adhere to a fundamental recovery...- publication PDF
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The boundary layer response to recent Arctic sea ice loss and implications...
This study documents and evaluates the boundary layer and energy budget response to record low 2007 sea ice extents in the Community Atmosphere Model version 4 (CAM4) using...- publication PDF
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Variability and quasi-decadal changes in the methane budget over the period 2000-2012
Following the recent Global Carbon Project (GCP) synthesis of the decadal methane (CH4) budget over 2000-2012 (Saunois et al., 2016), we analyse here the same dataset with a...- publication PDF
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More than just the facts: Contributions of subject matter experts to...
Background: Out-of-school time (OST) science, technology, engineering, and math (STEM) programming has positive impacts for youth, and the importance of engineering design...- publication PDF
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Sensitivity of outgoing longwave radiative flux to the global vertical...
We calculate the sensitivity of outgoing longwave radiation (OLR) to the global vertical distribution of tropospheric ozone using ozone profile estimates from Aura Tropospheric...- publication PDF
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Digging into the world beneath our feet: Bridging across scales in the age...
Climate change, land use practices, and other consequences of a growing human population affect soil sustainability. Unfortunately, scientists studying belowground processes...- publication PDF
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AÂ case study of aerosol data assimilation with the Community Multi-scale...
This study applies the Gridpoint Statistical Interpolation (GSI) 3D-Var assimilation tool originally developed by the National Centers for Environmental Prediction (NCEP), to...- publication PDF
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The roles of mineral dust as cloud condensation nuclei and ice nuclei during...
Aerosols play important roles in the evolution of deep convective systems like hailstorms. In this study, the heterogeneous ice nucleation schemes have been improved in the...- publication PDF
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Tropospheric intrusions associated with the secondary tropopause
Deep intrusions of tropospheric air into the lower stratosphere above the subtropical jet are investigated using new observations and meteorological analyses. These intrusions...- publication PDF
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Planetary dynamos from a solar perspective
Direct numerical simulations of the geodynamo and other planetary dynamos have been successful in reproducing the observed magnetic fields. We first give an overview on the...- publication PDF
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A comparison of two shallow-water models with nonconforming adaptive grids
In an effort to study the applicability of adaptive mesh refinement (AMR) techniques to atmospheric models, an interpolation-based spectral element shallow-water model on a...- publication PDF
