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Prediction of the thermospheric and ionospheric responses to the 21 June...
On 21 June 2020, an annular solar eclipse will traverse the low latitudes from Africa to Southeast Asia. The highest latitude of the maximum eclipse obscuration is approximately...- publication PDF
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Climatic changes in North Atlantic O2 amplified by temperature sensitivity...
Ocean warming is associated with a decline in the global oxygen (O-2) inventory, but the ratio of O-2 loss to heat gain is poorly understood. We analyzed historical variability...- publication PDF
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A high resolution coupled fire-atmosphere forecasting system to minimize the...
Wildland fires are responsible for large socio-economic impacts. Fires affect the environment, damage structures, threaten lives, cause health issues, and involve large...- publication PDF
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Electrodynamics of the equatorial evening ionosphere: 2. Conductivity...
We analyze how the evening equatorial plasma vortex and the prereversal enhancement (PRE) of the vertical drift are influenced by the distributions of conductivity in the E and...- publication PDF
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Projected changes of extreme weather events in the eastern United States...
This study is the first evaluation of dynamical downscaling using the Weather Research and Forecasting (WRF) Model on a 4 km à 4 km high resolution scale in the eastern US...- publication PDF
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Limits to flood forecasting in the Colorado front range for two summer...
Flood forecasting in mountain basins remains a challenge given the difficulty in accurately predicting rainfall and in representing hydrologic processes in complex terrain. This...- publication PDF
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Error growth in the mesosphere and lower thermosphere based on hindcast...
The capability to forecast conditions in the mesosphere and lower thermosphere is investigated based on 30-day hindcast experiments that were initialized bimonthly during 2009...- publication PDF
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A Lagrangian study of tidal advection of mesospheric water vapor
Previous studies have demonstrated that the diurnal variability of mesospheric water vapor involves a non-linear interplay between dynamics, photochemistry, and catalytic...- publication PDF
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The acidity of atmospheric particles and clouds
Acidity, defined as pH, is a central component of aqueous chemistry. In the atmosphere, the acidity of condensed phases (aerosol particles, cloud water, and fog droplets)...- publication PDF
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Bayesian multilevel analysis of variance for relative comparison across...
Projections of future climate conditions are carried out by many research institutions, each with their own general circulation model to do so. The projections are additionally...- publication PDF
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Magnetic field evolution of the solar active region 13664
On 2024 May 10–11, the strongest geomagnetic storm since 2003 November occurred, with a peak Dst index of −412 nT. The storm was caused by NOAA active region (AR)...- publication PDF
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Explicitly simulated tropical convection over idealized warm pools
Two-dimensional cloud-system-resolving simulations of convection over idealized warm pools are conducted to examine the relationship between the spatial patterns of tropical...- publication PDF
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Multimodel simulations of carbon monoxide: Comparison with observations and...
We analyze present-day and future carbon monoxide (CO) simulations in 26 state-of-the-art atmospheric chemistry models run to study future air quality and climate change. In...- publication PDF
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Forced and internal components of winter air temperature trends over North...
This study elucidates the physical mechanisms underlying internal and forced components of winter surface air temperature (SAT) trends over North America during the past 50...- publication PDF
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How well do large-eddy simulations and global climate models represent...
Climate models struggle to accurately represent the highly reflective boundary layer clouds overlying the remote and stormy Southern Ocean. We use in situ aircraft observations...- publication PDF
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The semidiurnal tidal response of the low latitude ionosphere to northern...
This paper investigates the day‐to‐day global tidal variability in the ionosphere/thermosphere system due to fluctuations in the strength of the northern hemisphere...- publication PDF
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Advancing weather and climate forecasting for our changing world
Our world is rapidly changing. Societies are facing an increase in the frequency and intensity of high-impact and extreme weather and climate events. These extremes together...- publication PDF
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Diapycnal displacement, diffusion, and distortion of tracers in the ocean
Small-scale mixing drives the diabatic upwelling that closes the abyssal ocean overturning circulation. Indirect microstructure measurements of in situ turbulence suggest that...- publication PDF
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NCAR release of CAM-SE in CESM2.0: A reformulation of the spectral element...
It is the purpose of this paper to provide a comprehensive documentation of the new NCAR (National Center for Atmospheric Research) version of the spectral element (SE)...- publication PDF
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A spectral stochastic kinetic energy backscatter scheme and its impact on...
Understanding model error in state-of-the-art numerical weather prediction models and representing its impact on flow-dependent predictability remains a complex and mostly...- publication PDF
