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Snow temperature changes within a seasonal snowpack and their relationship...
Snowpack temperatures from a subalpine forest below Niwot Ridge, Colorado, are examined with respect to atmospheric conditions and the 30-min above-canopy and subcanopy eddy...- publication PDF
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High-resolution in situ observations of atmospheric thermodynamics using...
The Organization of Tropical East Pacific Convection (OTREC) field campaign investigated the dynamical structure of convection in the tropical east Pacific and Caribbean. One of...- publication PDF
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NSF AI institute for research on trustworthy AI in weather, climate, and...
We introduce the National Science Foundation (NSF) AI Institute for Research on Trustworthy AI in Weather, Climate, and Coastal Oceanography (AI2ES). This AI institute was...- publication PDF
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Local and mesoscale impacts of wind farms as parameterized in a mesoscale NWP model
A new wind farm parameterization has been developed for the mesoscale numerical weather prediction model, the Weather Research and Forecasting model (WRF). The effects of wind...- publication PDF
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Uniqueness of solutions for moist advection problems
This article presents, for physics-oriented readers, some recent mathematical results that establish the uniqueness of solutions for moist advection problems in climate models....- publication PDF
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Digital Control of Meteorological Systems
The state-variable matrix approach of modern control theory is applied to a multi-input, multi-output meteorological network. The problem of providing suitable controllers to...- publication PDF
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Identification and intercomparison of surface-based inversions over...
Surface-based temperature inversions (SBIs) occur frequently over Antarctica and play an important role in climate and weather. Antarctic SBIs are examined during the austral...- publication PDF
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Parallel implementations of ensemble data assimilation for atmospheric prediction
Numerical models are used to find approximate solutions to the coupled nonlinear partial differential equations associated with the prediction of the atmosphere. The model state...- publication PDF
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Automated classification of auroral images with deep neural networks
Terrestrial auroras are highly structured that visualize the perturbations of energetic particles and electromagnetic fields in Earth's space environments. However, the...- publication PDF
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Environmental and internal controls on Lagrangian transitions from closed...
Classifications of mesoscale cellular convection (MCC) for marine boundary layer clouds are produced using a supervised neural network algorithm applied to MODIS daytime liquid...- publication PDF
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Two overlooked biases of the Advanced Research WRF (ARW) Model in...
The authors have discovered two sizeable biases in the Weather Research and Forecasting (WRF) model: a negative bias in geopotential and a warm bias in temperature, appearing...- publication PDF
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A solar coronal loop in a box: Energy generation and heating
Context. Coronal loops are the basic building block of the upper solar atmosphere as seen in the extreme UV and X-rays. Comprehending how these are energized, structured, and...- publication PDF
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Non-migrating tides in the ionosphere-thermosphere: In situ versus...
In this paper we demonstrate how magnetic control of ion-neutral interactions in the ionosphere-thermosphere (IT) system effectively produces source terms for non-migrating...- publication PDF
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From bow waves to traveling atmospheric disturbances: Thermospheric...
In this study, we investigate the characteristics of thermospheric perturbations triggered by a set of four solar eclipses, using the Thermosphere Ionosphere Electrodynamics...- publication PDF
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Global atmospheric forcing data for Arctic ice-ocean modeling
We compare three forcing data sets, all variants of National Centers for Environmental Prediction (NCEP) forcing, in global ice-ocean simulations and evaluate them for use in...- publication PDF
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Hydrocarbons in the upper troposphere and lower stratosphere observed from...
Satellite measurements from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) are used to examine the global, seasonal variations of several...- publication PDF
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Definitive NCAR Index for TeX for NCAR Scientists
This Index does not pretend to be an extension of Donald Knuth's comprehensive The TEXbook. It contains, instead, a condensation of the text-formatting output most frequently...- publication PDF
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Relative changes in CO emissions over megacities based on observations from space
Urban areas are large sources of several air pollutants, with carbon monoxide (CO) among the largest. Yet measurement from space of their CO emissions remains elusive due to its...- publication PDF
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The role of vertical wind shear in modulating maximum supercell updraft velocities
Observed supercell updrafts consistently produce the fastest mid- to upper-tropospheric vertical velocities among all modes of convection. Two hypotheses for this feature are...- publication PDF
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Increasing trends in oceanic surface poleward eddy heat flux observed over...
Mesoscale processes make the largest contribution to ocean variability and are significant agents in ocean heat transport. In this investigation, we provide evidence based on...- publication PDF