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Climatological analysis of tropical cyclone intensity changes under moderate...
Although infrequent, tropical cyclones (TCs) can intensify under moderate vertical wind shear (VWS). A potential hypothesis is that other factors-associated with both the TC and...- publication PDF
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Eye of the storm: Observing hurricanes with a small unmanned aircraft system
Unique data from seven flights of the Coyote small unmanned aircraft system (sUAS) were collected in Hurricanes Maria (2017) and Michael (2018). Using NOAA's P-3 reconnaissance...- publication PDF
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Analysis and validation of GPS/MET data in the neutral atmosphere
The Global Positioning System/Meteorology (GPS/MET) Program was established in 1993 by the University Corporation for Atmospheric Research (UCAR) to demonstrate active limb...- publication PDF
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Investigating an unusually large 28-day oscillation in mesospheric...
The Utah State University Advanced Mesospheric Temperature Mapper was deployed at the Amundsen-Scott South Pole Station in 2010 to measure OH temperature at similar to 87 km as...- publication PDF
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Astronaut Operations Requirements Document for the White Light Coronagraph...
This manual presents information for performing the observers' function in the White Light Coronagraph (WLCE) portion of the Apollo Telescope Mount (ATM) experiments. The...- publication PDF
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Linear trends and closures of 10-yr observations of AIRS stratospheric channels
The Atmospheric Infrared Sounder (AIRS) level-1b radiances have been shown to be well calibrated (~0.3 K or higher) and have little secular drift (~4 mK yr⁻¹) since operation...- publication PDF
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Application of theory to simulations of observed cases of orographically...
In two recent papers, the authors reported on numerical simulations of conditionally unstable flows past an idealized mesoscale mountain ridge. These idealized simulations,...- publication PDF
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The CU Airborne Solar Occultation Flux instrument: Performance evaluation...
Biomass burning is an important and increasing source of trace gases and aerosols relevant to air quality and climate. The Biomass Burning Flux Measurements of Trace Gases and...- publication PDF
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Closing the dimethyl sulfide budget in the tropical marine boundary layer...
Fourteen research flights were conducted with the National Center for Atmospheric Research (NCAR) C-130 near Christmas Island (2° N, 157° W) during the summer of 2007 as part of...- publication PDF
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Observations pertaining to precipitation within the northeast Pacific...
Three genuine stratocumulus-to-cumulus transitions sampled during the Cloud System Evolution over the Trades (CSET) campaign are documented. The focus is on Lagrangian evolution...- publication PDF
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Effect of trends of middle atmosphere gases on the mesosphere and thermosphere
We conducted model simulations to examine how changes in concentration of radiatively active trace gases in the middle atmosphere affect long-term changes in the upper...- publication PDF
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The 2015 and 2016 wintertime air pollution in China: SO2 emission changes...
Ambient pollutants and emissions in China have changed significantly in recent years due to strict control strategies implemented by the government. It is of great interest to...- publication PDF
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Temperature Control of Balloon Packages
The following report is a general guide of thermal packaging for ballooning. Since the electronics and battery power supply of the Interrogation Recording and Location Subsystem...- publication PDF
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Comparison of local and nonlocal observation operators for the assimilation...
In this study, an Observing System Simulation Experiment (OSSE) is performed to evaluate the performance of a nonlocal excess phase operator and a local refractivity operator...- publication PDF
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Coevolution of down-valley flow and the nocturnal boundary layer in complex terrain
An enhanced National Center for Atmospheric Research (NCAR) integrated sounding system (ISS) was deployed as part of the Vertical Transport and Mixing (VTMX) field experiment,...- publication PDF
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Effects of enhanced downwelling of NOx on Antarctic upper-stratospheric...
Ozone is expected to fully recover from the chlorofluorocarbon (CFC) era by the end of the 21st century. Furthermore, because of anthropogenic climate change, a cooler...- publication PDF
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Spatiotemporal prediction of fine particulate matter during the 2008...
Estimating population exposure to particulate matter during wildfires can be difficult because of insufficient monitoring data to capture the spatiotemporal variability of smoke...- publication PDF
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Widespread pollution from secondary sources of organic aerosols during...
Secondary organic aerosol (SOA) from pollution sources is thought to be a minor component of organic aerosol (OA) and fine particulate matter beyond the urban scale. Here we...- publication PDF
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Can we constrain uncertainty in hydrologic cycle projections?
Climate change intensifies the Earth's hydrologic cycle, which has far-reaching consequences including water availability, agricultural production, and electric power...- publication PDF
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Warming of hot extremes alleviated by expanding irrigation
Irrigation affects climate conditions - and especially hot extremes - in various regions across the globe. Yet how these climatic effects compare to other anthropogenic forcings...- publication PDF
