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Atomic hydrogen in the mesopause region derived from SABER: Algorithm...
Atomic hydrogen (H) is a fundamental component in the photochemistry and energy balance of the terrestrial mesopause region (80-100 km). H is generated primarily by photolysis...- publication PDF
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Intercomparison of spatial forecast verification methods
Advancements in weather forecast models and their enhanced resolution have led to substantially improved and more realistic-appearing forecasts for some variables. However,...- publication PDF
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DYAMOND: the DYnamics of the Atmospheric general circulation Modeled On...
A review of the experimental protocol and motivation for DYAMOND, the first intercomparison project of global storm-resolving models, is presented. Nine models submitted...- publication PDF
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Quality-controlled upper-air sounding dataset for DYNAMO/CINDY/AMIE:...
The upper-air sounding network for Dynamics of the Madden–Julian Oscillation (DYNAMO) has provided an unprecedented set of observations for studying the MJO over the Indian...- publication PDF
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A case study of radar observations and WRF LES simulations of the impact of...
Profiling airborne radar data and accompanying large-eddy-simulation (LES) modeling are used to examine the impact of ground-based glaciogenic seeding on cloud and precipitation...- publication PDF
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Estimating the risk of extreme wind gusts in tropical cyclones using...
Recent studies have shown that extreme wind gusts are ubiquitous within the eyewall of intense tropical cyclones (TCs). These gusts pose a substantial hazard to human life and...- publication PDF
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Evaluating an Ice Crystal Trajectory Growth (ICTG) model on a...
A major challenge in numerical weather prediction models is the ability to accurately simulate the microphysical properties and growth of ice hydrometeors in clouds. Eulerian...- publication PDF
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A comparison of breeding and ensemble transform Kalman filter ensemble...
The ensemble transform Kalman filter (ETKF) ensemble forecast scheme is introduced and compared with both a simple and a masked breeding scheme. Instead of directly multiplying...- 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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A complete dynamical ozone budget measured in the tropical marine boundary...
The Pacific Atmospheric Sulfur Experiment (PASE) was field mission that took place aboard the NCAR C-130 airborne laboratory over the equatorial Pacific Ocean near Christmas...- publication PDF
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Impact of variable air-sea O₂ and CO₂ fluxes on atmospheric potential oxygen...
A three dimensional, time-evolving field of atmospheric potential oxygen (APO ~O₂/N₂+CO₂) was estimated using surface O₂, N₂ and CO₂ fluxes from the WHOI ocean ecosystem model...- publication PDF
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Ionospheric and thermospheric variations associated with prompt penetration...
This paper presents a comprehensive modeling investigation of ionospheric and thermospheric variations during a prompt penetration electric field (PPEF) event that took place on...- publication PDF
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Potential increase in hazard from Mediterranean hurricane activity with...
Mediterranean hurricanes (Medicanes) are intense cyclones that acquire tropical characteristics, associated with extreme winds and rainfall, thus posing a serious natural hazard...- publication PDF
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Impacts of projected Arctic sea ice loss on daily weather patterns over North America
Future Arctic sea ice loss has a known impact on Arctic amplification (AA) and mean atmospheric circulation. Furthermore, several studies have shown it leads to a decreased...- publication PDF
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Objective prediction of warm season afternoon thunderstorms in northern...
In this study, a fuzzy logic algorithm is developed to provide objective guidance for the prediction of afternoon thunderstorms in northern Taiwan using preconvective predictors...- publication PDF
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Meeting Review the Second NCAR Research Aircraft Fleet Workshop
This report provides details of a workshop held at NCAR during the period 15-16 April 1987, for the purposes of assessing the scientific needs for atmospheric research aircraft...- publication PDF
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Energetic electron precipitation during sawtooth injections
We present simultaneous riometer observations of cosmic noise absorption in the nightside and dawn-noon sectors during sawtooth particle injections during 18 April 2002....- publication PDF
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Global distribution of electron temperature enhancement at mid-low latitudes...
This study investigates the global distribution of electron temperature enhancement observed by Defense Meteorological Satellite Program F16 satellite and its dependence on the...- publication PDF
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Aerosol indirect effects on glaciated clouds. Part I: Model description
Various improvements were made to a state-of-the-art aerosol-cloud model and comparison of the model results with observations from field campaigns was performed. The strength...- publication PDF
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Deforestation-induced climate change reduces carbon storage in remaining...
Biophysical effects from deforestation have the potential to amplify carbon losses but are often neglected in carbon accounting systems. Here we use both Earth system model...- publication PDF