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Response of the thermosphere and ionosphere to an ultra fast Kelvin wave
Ultra Fast Kelvin (UFK) waves are eastward propagating planetary waves with periods between 3 and 5 days, which are capable of penetrating into the thermosphere and ionosphere...- publication PDF
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Hygroscopic seeding effects of giant aerosol particles simulated by the Lagra...
This study investigated the microphysical responses to seeding giant aerosol particles and supersaturation fluctuations. A Lagrangian-particle-based direct numerical simulation...- publication PDF
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Investigation of urban air temperature and humidity patterns during extreme h...
Extreme heat is a leading cause of weather-related human mortality. The urban heat island (UHI) can magnify heat exposure in metropolitan areas. This study investigates the...- publication PDF
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The rain is askew: Two idealized models relating vertical velocity and precip...
As the planet warms, climate models predict that rain will become heavier but less frequent and that the circulation will weaken. Here, two heuristic models relating moisture,...- publication PDF
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The El Nino–Southern Oscillation (ENSO) Modoki signal in the stratosphere
El Nino-Southern Oscillation (ENSO) is known to be the largest source of interannual variability in the tropical troposphere. However, the variability in the tropical Pacific...- publication PDF
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Assessing climate change impacts on live fuel moisture and wildfire risk usin...
Live fuel moisture content (LFMC) plays a critical role in wildfire dynamics, but little is known about responses of LFMC to multivariate climate change, e.g., warming...- publication PDF
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Observations of the width of cloud droplet spectra in stratocumulus
This paper discusses in-situ aircraft observations of cloud microphysics in eight cases of marine stratocumulus investigated during the Second Aerosol Characterization...- publication PDF
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Opportunistic observations of Mount Erebus volcanic plume HCl, HF and SO2 by ...
Opportunistic large bandwidth, high resolution, high signal to noise ratio mid-infrared solar occultation spectral measurements of the Mount Erebus (Ross Island, Antarctica)...- publication PDF
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The response of mesospheric H2O and CO to solar irradiance variability in mod...
Water vapor (H2O) is the source of reactive hydrogen radicals in the middle atmosphere, whereas carbon monoxide (CO), being formed by CO2 photolysis, is suitable as a dynamical...- publication PDF
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A framework for simulating the tropical-cyclone boundary layer using large-ed...
Boundary layer turbulent processes affect tropical cyclone (TC) structure and intensity change. However, uncertainties in the parameterization of the planetary boundary layer...- publication PDF
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Missing OH reactivity in the global marine boundary layer
The hydroxyl radical (OH) reacts with thousands of chemical species in the atmosphere, initiating their removal and the chemical reaction sequences that produce ozone, secondary...- publication PDF
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The Sun4Cast® Solar Power Forecasting System: The Result of the Public-Privat...
The National Center for Atmospheric Research (NCAR) led a partnership to advance the state-of-the-science of solar power forecasting by designing, developing, building,...- publication PDF
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Natural Load Indices (NLI) in NAMD2 load balancing algorithms
Existing measurement-based load indices generally provide adequate performance when used with dynamic load balancing algorithms in parallel scientific applications. An...- publication PDF
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Global fine-scale changes in ambient NO2 during COVID-19 lockdowns
Nitrogen dioxide (NO2) is an important contributor to air pollution and can adversely affect human health(1-9). A decrease in NO2 concentrations has been reported as a result of...- publication PDF
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An annual cycle of size-resolved aerosol hygroscopicity at a forested site in...
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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Ocean Mesoscale and Frontal-Scale Ocean–Atmosphere Interactions and Influence...
Two decades of high-resolution satellite observations and climate modeling studies have indicated strong ocean-atmosphere coupled feedback mediated by ocean mesoscale processes,...- publication PDF
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Prominence science with ATST instrumentation
The 4m Advance Technology Solar Telescope (ATST) is under construction on Maui, HI. With its unprecedented resolution and photon collecting power ATST will be an ideal tool for...- publication PDF
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NCAR Data Communications
This updated User's Guide is designed to provide you with information and assistance regarding access to the Scientific Computing Division's computers from your remote location....- publication PDF
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Reconciling the observed and modeled Southern Hemisphere circulation response...
Confusion exists regarding the tropospheric circulation response to volcanic eruptions, with models and observations seeming to disagree on the sign of the response. The forced...- publication PDF
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Large-scale transport into the Arctic: The roles of the midlatitude jet and t...
Transport from the Northern Hemisphere (NH) midlatitudes to the Arctic plays a crucial role in determining the abundance of trace gases and aerosols that are important to Arctic...- publication PDF