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Turbulence and gravity waves within an upper-level front
High-resolution dropwindsonde and in-flight measurements collected by a research aircraft during the Severe Clear-Air Turbulence Colliding with Aircraft Traffic ( SCATCAT)...- publication PDF
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Interannual variation of upper tropospheric CO over the western Pacific...
We analyzed temporal variations of carbon monoxide (CO) in the upper troposphere from 30°N to 30°S observed using instruments aboard commercial airliner flights between Japan...- publication PDF
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Contributions of external forcings to Southern Annular Mode trends
An observed trend in the Southern Hemisphere annular mode (SAM) during recent decades has involved an intensification of the polar vortex. The source of this trend is a matter...- publication PDF
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Contributions of traffic and industrial emission reductions to the air...
Wuhan was locked down from 23 January to 8 April 2020 to prevent the spread of the novel coronavirus disease 2019 (COVID-19). Both public and private transportation in Wuhan and...- publication PDF
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Development of satellite green vegetation fraction time series for use in...
A method is presented for development of satellite green vegetation fraction (GVF) time series for use in the Weather Research and Forecasting (WRF) model. The GVF data is in...- publication PDF
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The Convective Transport of Active Species in the Tropics (CONTRAST) Experiment
The Convective Transport of Active Species in the Tropics (CONTRAST) experiment was conducted from Guam (13.5°N, 144.8°E) during January–February 2014. Using the NSF/NCAR...- publication PDF
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Implementation of a generalized actuator line model for wind turbine...
A generalized actuator line (GAL) wind turbine parameterization is implemented within the Weather Research and Forecasting model to enable high-fidelity large-eddy simulations...- publication PDF
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Twentieth-century oceanic carbon uptake and storage in CESM1(BGC)
Ocean carbon uptake and storage simulated by the Community Earth System Model, version 1–Biogeochemistry [CESM1(BGC)], is described and compared to observations. Fully coupled...- publication PDF
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Advances in land surface models and indicators for drought monitoring and prediction
Millions of people across the globe are affected by droughts every year, and recent droughts have highlighted the considerable agricultural impacts and economic costs of these...- publication PDF
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Deriving tropospheric transit time distributions using airborne trace gas...
This study investigates the use of airborne in situ measurements to derive transit time distributions (TTD) from the boundary layer (BL) to the upper troposphere (UT) over the...- publication PDF
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Validation of ACE and OSIRIS ozone and NO2 measurements using ground-based...
The Optical Spectrograph and Infra-Red Imager System (OSIRIS) and the Atmospheric Chemistry Experiment (ACE) have been taking measurements from space since 2001 and 2003,...- publication PDF
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On the solar chromosphere observed at the limb with Hinode
Broadband images in the Ca II H line, from the Broadband Filter Imager (BFI) instrument on the Hinode spacecraft, show emission from spicules emerging from and visible right...- publication PDF
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NCAR/RAF VMEbus Interface for the Particle Measuring Systems Optical Array Grey Probe
This Technical Note describes the design and operation of the NCAR/RAF VMEbus interface board for the Optical Array Grey Probe manufactured by Particle Measuring Systems, Inc....- publication PDF
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Comment on “Surface air relative humidities spuriously exceeding 100% in...
Key Points: Ruosteenoja et al.'s (2017) claim that supersaturation in the surface atmosphere is unrealistic and necessarily spurious and incorrect. Supersaturations are a...- publication PDF
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Comparison of ground-based and satellite measurements of water vapour...
Improving measurements of water vapour in the upper troposphere and lower stratosphere (UTLS) is a priority for the atmospheric science community. In this work, UTLS water...- publication PDF
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Numerical simulations of low-CAPE flows over a mountain ridge
In a recent study, the authors performed numerical simulations of conditionally unstable flows past a mesoscale mountain ridge in order to investigate the statistically...- publication PDF
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A global climatology of baroclinically influenced tropical cyclogenesis
Tropical cyclogenesis is generally considered to occur in regions devoid of baroclinic structures; however, an appreciable number of tropical cyclones (TCs) form in baroclinic...- publication PDF
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Ozone database in support of CMIP5 simulations: Results and corresponding...
A continuous tropospheric and stratospheric vertically resolved ozone time series, from 1850 to 2099, has been generated to be used as forcing in global climate models that do...- publication PDF
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The Secondary Production of Ice in Cumulus Experiment (SPICULE)
The secondary ice process (SIP) is a major microphysical process, which can result in rapid enhancement of ice particle concentration in the presence of preexisting ice. SPICULE...- publication PDF
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Seasonal prediction skill of northern extratropical surface temperature...
This study explores the role of the stratosphere as a source of seasonal predictability of surface climate over Northern Hemisphere extratropics both in the observations and...- publication PDF
