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Indirect assimilation of radar reflectivity with WRF 3D-Var and its impact...
An indirect radar reflectivity assimilation scheme has been developed within the Weather Research and Forecasting (WRF) model three-dimensional data assimilation system (WRF...- publication PDF
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Architecting the future of weather satellites
Between 2014 and 2018, the NOAA Office of Systems Architecture and Advanced Planning (OSAAP) conducted the NOAA Satellite Observing System Architecture (NSOSA) study to plan the...- publication PDF
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Complexity in the evolution, composition, and spectroscopy of brown carbon...
Biomass burning is a major source of light-absorbing organic aerosol (brown carbon), but its composition, chemical evolution, and lifetime are not well known. We measured water-...- publication PDF
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Toward improving short-term predictions of fine particulate matter over the...
This study develops a new approach to improve simulations of the particulate matter of aerodynamic diameter smaller than 2.5 mu m (PM2.5) in the Community Multiscale Air Quality...- publication PDF
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Model uncertainty in a mesoscale ensemble prediction system: Stochastic...
A multiphysics and a stochastic kinetic-energy backscatter scheme are employed to represent model uncertainty in a mesoscale ensemble prediction system using the Weather...- publication PDF
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Modulation of the diurnal cycle of warm-season precipitation by short-wave troughs
Traveling deep tropospheric disturbances of wavelengths ~1500 km (short waves) have long been known to play an important role in the initiation and maintenance of warm-season...- publication PDF
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Cloud-aerosol-turbulence interactions: Science priorities and concepts for a...
Clouds and aerosols, ubiquitously embedded in turbulent flows, are central to the prediction of weather and climate. The purpose of the workshop described here was to explore...- publication PDF
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Uniformly rotating global radiative-convective equilibrium in the Community...
A standard atmospheric general circulation model is run in a uniformly rotating global radiative-convective equilibrium configuration to explore the equilibrium state, including...- publication PDF
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Translating aboveground cosmic-ray neutron intensity to high-frequency soil...
Above-ground cosmic-ray neutron measurements provide an opportunity to infer soil moisture at the sub-kilometer scale. Initial efforts to assimilate those measurements have...- publication PDF
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Impact of the North Atlantic Oscillation on transatlantic flight routes and...
The variation of wind-optimal transatlantic flight routes and their turbulence potential is investigated to understand how upper-level winds and large-scale flow patterns can...- publication PDF
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A Mass-conservative semi-implicit semi-Lagrangian limited-area shallow-water...
A locally mass conservative shallow-water model using a two-time-level, semi-implicit, semi-Lagrangian integration scheme is presented. The momentum equations are solved with...- publication PDF
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MAPR wind profiler observations of tropical storms for the Clouds and...
The National Center for Atmospheric Research (NCAR) operated an Integrated Sounding System (ISS) in Miami, Florida, for the CPS (Clouds and Precipitation Study) in late summer...- publication PDF
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Metrics for the diurnal cycle of precipitation: Toward routine benchmarks...
Metrics are proposed--that is, a few summary statistics that condense large amounts of data from observations or model simulations--encapsulating the diurnal cycle of...- publication PDF
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Mapping the lateral development of lightning flashes from orbit
Optical lightning measurements from the Lightning Imaging Sensor (LIS) are used to map the lateral development of lightning flashes and produce statistics that describe their...- publication PDF
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An investigation of petrochemical emissions during KORUS-AQ: Ozone...
Emissions and secondary photochemical products from the Daesan petrochemical complex (DPCC), on the west coast of South Korea, were measured from the NASA DC-8 research aircraft...- publication PDF
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Sunspot characteristics at the onset of the Maunder Minimum based on the...
An analysis of the sunspot observations made by Hevelius during 1642-1645 is presented. These records are the only systematic sunspot observations just before the Maunder...- 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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Formaldehyde in the Alaskan Arctic snowpack: Partitioning and physical...
The snowpack is a photochemically active medium which produces numerous key reactive species involved in the atmospheric chemistry of polar regions. Formaldehyde (HCHO) is one...- publication PDF
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Comparison of the auroral E region neutral winds derived with the European...
A comparison study of the auroral E region neutral wind has been conducted using the European Incoherent Scatter (EISCAT) radar observations and Thermosphere-Ionosphere-...- publication PDF
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Surface pressure a more skillful predictor of normalized hurricane damage...
Atlantic hurricane seasons have a long history of causing significant financial impacts, with Harvey, Irma, Maria, Florence, and Michael combining to incur more than 345 billion...- publication PDF
