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Atmospheric stability effects on wind fields and scalar mixing within and...
Air temperature T a , specific humidity q, CO₂ mole fraction x c , and three-dimensional winds were measured in mountainous terrain from five tall towers within a 1 km region...- publication PDF
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How well can global chemistry models calculate the reactivity of short-lived...
We develop a new protocol for merging in situ measurements with 3-D model simulations of atmospheric chemistry with the goal of integrating these data to identify the most...- publication PDF
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Optimized localization and hybridization to filter ensemble-based covariances
Localization and hybridization are two methods used in ensemble data assimilation to improve the accuracy of sample covariances. It is shown in this paper that it is beneficial...- publication PDF
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Model simulations of global change in the ionosphere
Observations of secular trends in the E and F₁ regions of the ionosphere indicate that electron densities have increased, and that the height of the E-region peak has decreased,...- publication PDF
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Future climate risks from stress, insects and fire across US forests
Forests are currently a substantial carbon sink globally. Many climate change mitigation strategies leverage forest preservation and expansion, but rely on forests storing...- publication PDF
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Aerosol impacts on thermally driven orographic convection
Observations from the Dominica Experiment (DOMEX) field campaign clearly show aerosols having an impact on cloud microphysical properties in thermally driven orographic clouds....- publication PDF
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The High Park fire: Coupled weather-wildland fire model simulation of a...
Weather affects wildland fires at scales from multiseasonal precipitation patterns and anomalies, through synoptic and mesoscale weather patterns, to convective scale motions...- publication PDF
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Celebrating COMET's 25 years of providing innovative education and training
The Cooperative Program for Operational Meteorology, Education, and Training (COMET)'s mission when it began in 1990 was to deliver professional development opportunities to...- publication PDF
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Decadal-scale periodicities in the stratosphere associated with the solar...
An interactive two-dimensional model is used to analyze the response of the stratosphere to the 11-year solar cycle in the presence of a quasi-biennial oscillation (QBO). The...- publication PDF
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Using large ensembles to identify regions of systematic biases in...
Because of internal variability in both the real-world and global climate models, it is unclear whether disagreement between models and observations reflects true systematic...- publication PDF
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MPAS-Albany Land Ice (MALI): A variable-resolution ice sheet model for Earth...
We introduce MPAS-Albany Land Ice (MALI) v6.0, a new variable-resolution land ice model that uses unstructured Voronoi grids on a plane or sphere. MALI is built using the Model...- publication PDF
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Predicting interplanetary shock occurrence for solar cycle 25: Opportunities...
Interplanetary (IP) shocks are perturbations observed in the solar wind. IP shocks correlate well with solar activity, being more numerous during times of high sunspot numbers....- publication PDF
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Application of MJO simulation diagnostics to climate models
The ability of eight climate models to simulate the Madden-Julian oscillation (MJO) is examined using diagnostics developed by the U.S. Climate Variability and Predictability...- publication PDF
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The importance of scale-dependent groundwater processes in land-atmosphere...
This study explores the impacts of groundwater processes on the simulated land-surface water balance and hydrometeorology. Observations are compared to multiscale Weather...- publication PDF
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Development and Use of the NCAR GCM, a Report of the GCM Steering Committee
This is a report of the Global Climate Model (GCM) Steering Committee. Its intention is to develop a model for the atmospheric science community as a facility for numerical...- publication PDF
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Observed enhancement of reflectivity and electric field in long-lived Florida anvils
A study of two long-lived Florida anvils showed that reflectivity >20 dBZ increased in area, thickness, and sometimes magnitude at the midlevel well downstream of the...- publication PDF
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Research campaign: The convective and orographically induced precipitation...
The international field campaign called the Convective and Orographically-induced Precipitation Study (COPS) took place from June to August 2007 in southwestern Germany/eastern...- publication PDF
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Human influence on winter precipitation trends (1921–2015) over North...
Detecting and attributing a human influence on observed rainfall trends is a major challenge due to the presence of large amplitude internal variability on all time scales and...- publication PDF
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The sensitivity of simulated shallow cumulus convection and cold pools to...
The sensitivity of nested WRF simulations of precipitating shallow marine cumuli and cold pools to microphysical parameterization is examined. The simulations differ only in...- publication PDF
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Approaching a thermal tipping point in the Eurasian boreal forest at its...
Climate change is increasing the intensity and frequency of extreme heat events. Ecological responses to extreme heat will depend on vegetation physiology and thermal tolerance....- publication PDF
