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Total lightning activity as an indicator of updraft characteristics
This study investigates the relationship of total lightning activity and updraft characteristics, such as updraft volume and maximum updraft speed, for a number of storms of...- publication PDF
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Megadrought: A series of unfortunate La Niña events?
Megadroughts are multidecadal periods of aridity more persistent than most droughts during the instrumental period. Paleoclimate evidence suggests that megadroughts occur in...- publication PDF
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Wet scavenging in WRF-Chem simulations of parameterized convection for a...
Deep convection can transport surface moisture and pollution from the planetary boundary layer to the upper troposphere (UT) within a few minutes. The convective transport of...- publication PDF
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Expansion of a holepunch cloud by a gravity wave front
A holepunch cloud is a curious phenomenon where a disturbance in a thin cloud layer initiates an expanding circular hole of clear air. Usually triggered by the passage of...- publication PDF
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Ice particles in the upper anvil regions of midlatitude continental...
This study examines the occurrence and morphology of frozen-drop aggregates in thunderstorm anvils from the United States Midwest and describes the environmental conditions...- publication PDF
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The origin of major solar activity: Collisional shearing between...
Active regions (ARs) that exhibit compact polarity inversion lines (PILs) are known to be very flare productive. However, the physical mechanisms behind this statistical...- publication PDF
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Numerical simulations of sheared conditionally unstable flows over a mountain ridge
In two recent papers, the authors performed numerical simulations with a three-dimensional, explicitly cloud-resolving model for a uniform wind flowing past a bell-shaped ridge...- publication PDF
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Obstacles to high-dimensional particle filtering
Particle filters are ensemble-based assimilation schemes that, unlike the ensemble Kalman filter, employ a fully nonlinear and non-Gaussian analysis step to compute the...- publication PDF
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Impact of Aquarius and SMAP satellite sea surface salinity observations on...
This study demonstrates the positive impact of including gridded Aquarius and Soil Moisture, Active/Passive (SMAP) sea surface salinity (SSS) into initialization of intermediate...- publication PDF
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Evaluation of the impacts of assimilating the TAMDAR data on 12/4 km grid...
An analysis of the impacts of assimilating the Tropospheric Airborne Meteorological Data Report (TAMDAR) data with the Weather Research and Forecasting-(WRF-) real-time four-...- publication PDF
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Sensitivity of Central Oklahoma convection forecasts to upstream potential...
The role of upstream subsynoptic forecast errors on forecasts of two different central Oklahoma severe convection events (19 and 31 May 2013) characterized by strong synoptic...- publication PDF
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Toward improving ice water content and snow-rate retrievals from radars....
Microphysical data and radar reflectivities (Z(e), -15 < Z(e) < 10 dB) measured from flights during the NASA Tropical Clouds, Convection, Chemistry and Climate field...- publication PDF
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PSP/IS⊙IS observation of a solar energetic particle event associated with a...
In this paper we examine a low-energy solar energetic particle (SEP) event observed by IS circle dot IS's Energetic Particle Instrument-Low (EPI-Lo) inside 0.18 au on 2020...- publication PDF
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Impact of climate variabilities on trans-oceanic flight times and emissions...
This study investigates the impact of the North Atlantic Oscillation (NAO) and El Nino Southern Oscillation (ENSO) on trans-oceanic round-trip flight times and consequent...- publication PDF
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An annual cycle of size-resolved aerosol hygroscopicity at a forested site...
The ability of particles composed wholly or partially of biogenic secondary organic compounds to serve as cloud condensation nuclei (CCN) is a key characteristic that helps to...- publication PDF
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Wind turbulence over misaligned surface waves and air-sea momentum flux....
The coupled dynamics of turbulent airflow and a spectrum of waves are known to modify air-sea momentum and scalar fluxes. Waves traveling at oblique angles to the wind are...- publication PDF
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Dynamical conditions of ice supersaturation and ice nucleation in convective...
Occurrence frequency and dynamical conditions of ice supersaturation (ISS, where relative humidity with respect to ice (RHi) > 100%) are examined in the upper troposphere...- publication PDF
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Global warming due to increasing absorbed solar radiation
Global climate models used in the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4) are examined for the top-of-atmosphere radiation changes as...- publication PDF
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Diurnal patterns of rainfall in northwestern South America. Part III:...
Afternoon/evening near-coastal convection over land is easily understood as a response to solar heating of the land, turbulent transfer of heat and moisture to the boundary...- publication PDF
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Downscaling Global Spatial Population Projections from 1/8-degree to 1-km Grid Cells
Global spatial population projections consistent with the Shared Socioeconomic Pathways (SSPs) are important for understanding interactions between societal and climatic...- publication PDF
