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Aggregate terminal velocity/temperature relations
Terminal velocities of snow aggregates in storms along the Front Range in eastern Colorado are examined with a ground-based two-dimensional video disdrometer. Power-law...- publication PDF
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Behaviors of ionospheric topside ion density, ion temperature, and electron...
We identified a few new storm-time ionospheric phenomena by analyzing disturbances in topside ion density, electron temperature, and ion temperature at similar to 840 km...- publication PDF
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Modeling study of the particulate matter in Lima with the WRF-Chem Model:...
The Weather Research and Forecasting-Chemistry (WRFChem) model was used to develop an operational air quality forecast system for the Metropolitan Area of Lima-Callao (MALC),...- publication PDF
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A cluster-based method for hydrometeor classification using polarimetric...
Two new algorithms for hydrometeor classification using polarimetric radar observations are developed based on prototypes derived by applying clustering techniques (Part I of...- publication PDF
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Magnetopause erosion during the 17 March 2015 magnetic storm: Combined...
We present multimission observations of field-aligned currents, auroral oval, and magnetopause crossings during the 17 March 2015 magnetic storm. Dayside reconnection is...- publication PDF
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Summertime tropospheric ozone assessment over the Mediterranean region using...
Over the Mediterranean region, elevated tropospheric ozone (O₃) values are recorded, especially in summer. We use the thermal Infrared Atmospheric Sounding Interferometer (IASI)...- publication PDF
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Midlatitude nighttime enhancement in F region electron density from global...
Ionospheric electron density profiles retrieved from the Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) satellites measurements from 6 November...- publication PDF
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Chemical sensing of plant stress at the ecosystem scale
Significant ecosystem-scale emissions of methylsalicylate (MeSA), a semivolatile plant hormone thought to act as the mobile signal for systemic acquired resistance (SAR), were...- publication PDF
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Mesopause structure from Thermosphere, Ionosphere, Mesosphere, Energetics,...
Thermosphere, Ionosphere, Mesosphere, Energetics, and Dynamics (TIMED)/Sounding of the Atmosphere Using Broadband Emission Radiometry (SABER) temperature observations are used...- publication PDF
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Modeling equatorial plasma bubbles with SAMI3/WACCM-X: September 2017 storm
We report results from a global simulation of the September 2017 geomagnetic storm. The global model comprises the ionospheric code SAMI3 and the atmosphere/thermosphere code...- publication PDF
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When will the Antarctic ozone hole recover?
The Antarctic ozone hole demonstrates large-scale, man-made affects on our atmosphere. Surface observations now show that human produced ozone-depleting substances (ODSs) are...- publication PDF
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Case Studies on Convective Storms / Case Study 4, 27 July 1976: First Echo Case
On 27 July 1976, a relatively small, weak storm was investigated by the NCAR/NOAA instrumented sailplane in coordination with NCAR Queen Air 306D. The potential instability was...- publication PDF
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Gargantuan hail in Argentina
On 8 February 2018, a supercell storm produced gargantuan (>15 cm or >6 in. in maximum dimension) hail as it moved over the heavily populated city of Villa Carlos Paz in...- publication PDF
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Acyl peroxy nitrates link oil and natural gas emissions to high ozone...
We present measurements of ozone (O-3), acyl peroxy nitrates (APNs), and a suite of O-3 precursors made at the Boulder Atmospheric Observatory in Erie, Colorado, during summer...- publication PDF
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Hydrological modeling to evaluate climate model simulations and their bias correction
Variables simulated by climate models are usually evaluated independently. Yet, climate change impacts often stem from the combined effect of these variables, making the...- publication PDF
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Characterization of the long-term radiosonde temperature biases in the upper...
Radiosonde observations (RAOBs) have provided the only long-term global in situ temperature measurements in the troposphere and lower stratosphere since 1958. In this study, we...- publication PDF
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Continuity of the mass loss of the world's glaciers and ice caps from the...
We use time series of time-variable gravity from the Gravitational Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) missions to evaluate the mass balance...- publication PDF
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Future streamflow regime changes in the United States: Assessment using...
Streamflow regimes are changing and expected to further change under the influence of climate change, with potential impacts on flow variability and the seasonality of extremes....- publication PDF
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Comparison of middle- and low-latitude sodium layer from a ground-based...
The ground-based measurements obtained from a lidar network and the 6-year OSIRIS (optical spectrograph and infrared imager system) limb-scanning radiance measurements made by...- publication PDF
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Estimating ice content and extinction in precipitating cloud systems from...
Relations between W band radar reflectivity and ice cloud water content and visible extinction coefficient are developed using a large microphysical data set. These relations...- publication PDF
