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Attribution of the Australian bushfire risk to anthropogenic climate change
Disastrous bushfires during the last months of 2019 and January 2020 affected Australia, raising the question to what extent the risk of these fires was exacerbated by...- publication PDF
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The roles of radiative forcing, sea surface temperatures, and atmospheric...
This study investigates the roles of radiative forcing, sea surface temperatures (SSTs), and atmospheric and land initial conditions in the summer warming episodes of the United...- publication PDF
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Dependence of the high-latitude lower thermospheric momentum forcing on the...
We analyze the forces acting on the high-latitude lower thermospheric wind system below 170 km for Southern Hemisphere summer conditions, as a function of the interplanetary...- publication PDF
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Statistical characterization of joule heating associated with ionospheric...
Ultra low frequency (ULF; 1 mHz ‐ several Hz) waves are key to energy transport within the geospace system, yet their contribution to Joule heating in the upper...- publication PDF
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Sensitivity of tropical cyclone rainfall to idealized global-scale forcings
Heavy rainfall and flooding associated with tropical cyclones (TCs) are responsible for a large number of fatalities and economic damage worldwide. Despite their large...- publication PDF
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Running dry: The U.S. Southwest's drift into a drier climate state
Changes in precipitation have far-reaching consequences on human society and ecosystems as has been demonstrated by recent severe droughts in California and the Oklahoma region....- publication PDF
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Effects of soil moisture on the responses of soil temperatures to climate...
At high latitudes, changes in soil moisture could alter soil temperatures independently of air temperature changes by interacting with the snow thermal rectifier. The authors...- publication PDF
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Revisiting sensitivity to horizontal grid spacing in convection-allowing...
Hourly accumulated precipitation forecasts from deterministic convection-allowing numerical weather prediction models with 3- and 1-km horizontal grid spacing were evaluated...- publication PDF
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Is the net cloud radiative effect constrained to be uniform over the...
Global radiative-convective equilibrium simulations are used to investigate the hypothesis that mutual interactions among cloud albedo, sea surface temperature gradients, and...- publication PDF
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A conservative semi-lagrangian discontinuous Galerkin scheme on the cubed sphere
The discontinuous Galerkin (DG) methods designed for hyperbolic problems arising from a wide range of applications are known to enjoy many computational advantages. DG methods...- publication PDF
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Wind speed forecasts of a mesoscale ensemble for large-scale wind farms in...
To facilitate wind power integration for the electric power grid operated by the Inner Mongolia Electric Power Corporation-a major electric power grid in China-a high-resolution...- 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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An improved algorithm for low-level turbulence forecasting
A low-level turbulence (LLT) forecasting algorithm is proposed and implemented within the Graphical Turbulence Guidance (GTG) turbulence forecasting system. The LLT algorithm...- publication PDF
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Ground magnetic effects of the equatorial electrojet simulated by the...
Quiet time daily variations of the geomagnetic field near the magnetic equator due to the equatorial electrojet are simulated using the National Center for Atmospheric Research...- publication PDF
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A comparison of mesh refinement in the global MPAS-A and WRF models using an...
Idealized normal-mode baroclinic wave simulations are conducted to examine the impact of continuous mesh refinement compared with stepwise changes in resolution using nested...- publication PDF
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Defining robustness, vulnerabilities, and consequential scenarios for...
The Upper Basin of the Colorado River in the southwestern United States supports municipal, industrial, agricultural, and recreational activities worth an estimated $300...- publication PDF
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Strong sub-seasonal wintertime cooling over East Asia and Northern Europe...
East Asia experienced a record-breaking cold event during the 2015/16 boreal winter, with pronounced impacts on livelihood in the region. We find that this large-scale cold...- publication PDF
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An evaluation of deep soil configurations in the CLM3 for improved...
A thin layer of soil used in many coupled global climate models does not resolve the heat reservoir represented by underlying ground material. Under representation of this...- publication PDF
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The structure of sunspot penumbrae. IV. MHS equilibrium for penumbral flux...
Aims.We study the magnetohydrostatic equilibrium of magnetic flux tubes with circular cross sections embedded in a magnetic surrounding atmosphere. Methods.We solve the static...- publication PDF
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Evaluation of snow water equivalent in NARCCAP simulations, including...
This study evaluates snow water equivalent (SWE) over North America in the reanalysis-driven NARC-CAP regional climate model (RCM) experiments. Examination of SWE in these runs...- publication PDF