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Simulation and observations of the polar tongue of ionization at different...
We present the observational and modeling study focused on the major factors determining the spatiotemporal structure of the high-latitude ionospheric plasma density...- publication PDF
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Microwave radar cross sections and doppler velocities measured in the surf zone
The relationship between microwave imaging radar measurements of fluid velocities in the surf zone and shoaling, breaking, and broken waves is studied with field observations....- publication PDF
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Nocturnal convection initiation during PECAN 2015
Nocturnal convection initiation (NCI) is more difficult to anticipate and forecast than daytime convection initiation (CI). A major component of the Plains Elevated Convection...- publication PDF
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Possible influence of extreme magnetic storms on the thermosphere in the...
Solar and interplanetary events can create extreme magnetic storms, such as the Carrington storm in 1859 with intensity up to Dst similar to -1,760 nT. The influence of an...- publication PDF
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Boundary Layer Profile Measurement System Engineering Report
The NCAR Field Observing Facility developed a new tethered-balloon wing system, known as the Meteorological Atmospheric Testing (MAT) Wing, which takes meteorological...- publication PDF
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Combined effects of midlevel dry air and vertical wind shear on tropical...
This study examines how midlevel dry air and vertical wind shear (VWS) can modulate tropical cyclone (TC) development via downdraft ventilation. A suite of experiments was...- publication PDF
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First U.S.-China joint ground-based Fabry-Perot interferometer observations...
For the first time, three Fabry-Perot interferometers from the U.S. (Boulder, 40°N, 105°W, 49°N magnetic latitude (MLAT)) and China (Xinglong: 40°N,115°E, 34°N, MLAT; Kelan:...- publication PDF
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Global burden of mortalities due to chronic exposure to ambient PM2.5 from...
Uncontrolled combustion of domestic waste has been observed in many countries, creating concerns for air quality; however, the health implications have not yet been quantified....- publication PDF
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A Guide to Transform Software for Nonlinear Normal-mode Initialization of...
This report represents the culmination of efforts by Ronald Errico and James Vickroy of the Large-Scale Dynamics Section of NCAR's Atmospheric Analysis and Prediction Division...- publication PDF
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The expanding footprint of rapid Arctic change
Arctic land ice is melting, sea ice is decreasing, and permafrost is thawing. Changes in these Arctic elements are interconnected, and most interactions accelerate the rate of...- publication PDF
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Sensitivity of the southern hemisphere wintertime teleconnection to the...
The Southern Hemisphere extratropical atmospheric circulation response to anomalous convection in the tropical western and eastern Pacific Ocean is distinctly different. The...- publication PDF
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GPS radio occultation for climate monitoring and change detection
Observation of the atmospheric climate and detection of changes require high quality data. Radio Occultation (RO) using Global Positioning System (GPS) signals is based on time...- publication PDF
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Finding multiscale connectivity in our geospace observational system:...
We present the first complex network theory-based analysis of high-latitude total electron content (TEC) data, including dependencies on interplanetary magnetic field (IMF)...- publication PDF
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STEREO quadrature observations of coronal dimming at the onset of mini-CMEs
Context. Using unique quadrature observations with the two STEREO spacecraft, we investigate coronal dimmings at the onset of small-scale eruptions. In CMEs they are believed to...- publication PDF
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Vegetation-climate interactions in the warm mid-Cretaceous
Vegetation-climate interactions are thought to have amplified polar warmth during past warm periods. Here, we explore the vegetation-climate interactions in the mid-Cretaceous...- publication PDF
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Climatological aspects of cyclogenesis near Adélie Land Antarctica
The Adelie Land coastal region of Antarctica is one of the most prominent cyclogenesis regions in the Southern Hemisphere, and is adjacent to the continent's most intense...- publication PDF
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Changes in the width of the tropical belt due to simple radiative forcing...
Model simulations of future climates predict a poleward expansion of subtropical arid climates at the edges of Earth's tropical belt, which would have significant environmental...- publication PDF
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High Resolution Dynamics Limb Sounder: Experiment overview, recovery, and...
The High Resolution Dynamics Limb Sounder (HIRDLS) experiment was designed to provide global temperature and composition data on the region from the upper troposphere to the...- publication PDF
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Using A-train observations to evaluate East Pacific cloud occurrence and...
Using information from the A-Train satellites, the properties and radiative effects of eastern Pacific Ocean boundary layer clouds are evaluated in the Community Atmosphere...- publication PDF
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On the linearity of local and regional temperature changes from 1.5°C to 2°C...
Given the Paris Agreement it is imperative there is greater understanding of the consequences of limiting global warming to the target 1.5 degrees and 2 degrees C levels above...- publication PDF
