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Field topologies in ideal and near-ideal magnetohydrodynamics and vortex dynamics
Magnetic field topology frozen in ideal magnetohydrodynamics (MHD) and its breakage in near-ideal MHD are reviewed in two parts, clarifying and expanding basic concepts. The...- publication PDF
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WRF-Solar: Description and clear-sky assessment of an augmented NWP model...
WRF-Solar is a specific configuration and augmentation of the Weather Research and Forecasting (WRF) Model designed for solar energy applications. Recent upgrades to the WRF...- publication PDF
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Flow regimes over a basin induced by upstream katabatic flow--an idealized...
Idealized two-dimensional model simulations are performed to study the frequent nocturnal occurrence of downslope-windstorm-type flows in Arizona's Meteor Crater. The model...- publication PDF
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An extremeness threshold determines the regional response of floods to...
Precipitation extremes will increase in a warming climate, but the response of flood magnitudes to heavier precipitation events is less clear. Historically, there is little...- publication PDF
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Ultrafast Kelvin wave variations in the surface magnetic field
A suite of general circulation models is used to investigate the surface magnetic perturbations due to the ionospheric currents driven by an eastward-propagating ultrafast...- publication PDF
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Warming-induced contrasts in snow depth drive the future trajectory of soil...
The Arctic-Boreal region is projected to experience spatially divergent trends in snow depth following climate change. However, the impact of these spatial trends has remained...- publication PDF
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EZPLOT, for Publication-quality Plots
EZPLOT is built as a software interface between the user and NCAR graphics. While EZPLOT uses the NCAR graphics package, the interface eliminates the need to compile programs to...- publication PDF
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An upper-branch Brewer-Dobson circulation index for attribution of...
We find that wintertime temperature anomalies near 4 hPa and 50 degrees N/S are related, through dynamics, to anomalies in ozone and temperature, particularly in the tropical...- publication PDF
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Antarctic summer sea ice trend in the context of high-latitude atmospheric...
The potential mechanisms underlying the observed increasing trend in Antarctic summertime sea ice cover for the 1979-2017 period have been investigated using a relatively novel...- publication PDF
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Assimilation of radio occultation data using measurement-based observation...
The local spectral width (LSW) of a radio occultation (RO) observation in impact parameter representation is a useful parameter for providing information on the uncertainty...- publication PDF
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Asymmetric emergence of low-to-no snow in the midlatitudes of the American Cordillera
Future changes and regional differences in snowpacks are unclear. Here the American Cordillera mountain range, spanning the Americas, is estimated to lose snow faster in the...- publication PDF
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Numerical simulations of the three-dimensional distribution of polar...
Polar mesospheric clouds (PMC) routinely form in the cold summer mesopause region when water vapor condenses to form ice. We use a three-dimensional chemistry-climate model...- publication PDF
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Spatiotemporal functional permutation tests for comparing observed climate...
Abstract. Comparisons of observed and modeled climate behavior often focus on central tendencies, which overlook other important distributional characteristics related to...- publication PDF
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Low-level Z DR signatures in supercell forward flanks: The role of size...
The low levels of supercell forward flanks commonly exhibit distinct differential reflectivity (ZDR) signatures, including the low-ZDR hail signature and the high-ZDR "arc." The...- publication PDF
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PTR-MS observations of photo-enhanced VOC release from Arctic and midlatitude snow
To evaluate the release mechanism of volatile organic species (VOCs) from solar illuminated snowpacks, this study used proton transfer reaction-mass spectrometry (PTR-MS) for...- publication PDF
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Impacts of large-scale soil moisture anomalies on the hydroclimate of...
The La Plata basin (LPB), located in southeastern South America (SESA), is a region of significant socioeconomic importance, particularly for agriculture. This area of South...- publication PDF
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The prototype NOAA Aerosol Reanalysis version 1.0: Description of the...
In this study, we describe the first prototype version of global aerosol reanalysis at the National Oceanic and Atmospheric Administration (NOAA), the prototype NOAA Aerosol...- publication PDF
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The direct radiative effect of CO2 increase on summer precipitation in North America
Precipitation changes in full response to CO2 increase are widely studied but confidence in future projections remains low. Mechanistic understanding of the direct radiative...- publication PDF
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The implementation of the ice-phase microphysical process into a...
The microphysical process of a cloud-scale model used by a four-dimensional Variational Doppler Radar Analysis System (VDRAS) is extended from its original warm rain...- publication PDF
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Spatio-temporal comparisons of the hydrogen-alpha line width and ALMA 3 mm...
Comparisons between the Atacama Large Millimeter/sub-millimeter Array (ALMA) 3 mm emission and a range of optical and UV solar observations have found the strongest...- publication PDF
