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MAPR wind profiler observations of tropical storms for the Clouds and...
The National Center for Atmospheric Research (NCAR) operated an Integrated Sounding System (ISS) in Miami, Florida, for the CPS (Clouds and Precipitation Study) in late summer...- publication PDF
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Impacts of updraft size and dimensionality on the perturbation pressure and...
This paper compares simple theoretical expressions relating vertical velocity, perturbation pressure, updraft size, and dimensionality for cumulus convection, derived in Part I,...- publication PDF
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Challenges in constraining anthropogenic aerosol effects on cloud radiative...
A large number of processes are involved in the chain from emissions of aerosol precursor gases and primary particles to impacts on cloud radiative forcing. Those processes are...- publication PDF
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Signal Processing for Atmospheric Radars
This document offers an overview of signal processing techniques and the technology that are applicable to the atmospheric remote sensing tools of weather radar, lidar, ST/MST...- publication PDF
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Implementation of a silver iodide cloud-seeding parameterization in WRF....
Four cloud-seeding cases over southern Idaho during the 2010/11 winter season have been simulated by the Weather Research and Forecasting (WRF) model using the coupled silver...- publication PDF
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Quantifying emissions of CO and NOx using observations from MOPITT, OMI,...
We use the GEOS-Chem four-dimensional variational data assimilation system to estimate emissions of carbon monoxide (CO) and nitrogen oxides (NOx) in November 2009 and July...- publication PDF
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Limb Darkening and Rotation Broadening of Neutral Helium and Ionized...
The primary purpose of this paper is to describe an efficient method of computing rotation-broadening effects allowing for the full limb-distance variation of both the continuum...- publication PDF
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Metrics for Evaluation of Solar Energy Forecasts
This technical note summarizes metrics that have been defined to assess the quality of forecasts of solar irradiance and solar power production forecasting. A set of six base...- publication PDF
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The Land Use Model Intercomparison Project (LUMIP) contribution to CMIP6:...
Human land-use activities have resulted in large changes to the Earth's surface, with resulting implications for climate. In the future, land-use activities are likely to expand...- publication PDF
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The role of diurnal solenoidal circulation on propagating rainfall episodes...
In this case study, numerical simulations using the Weather Research and Forecasting model (WRF) are performed for 3-4 May 2002, in which two propagating rain episodes occurred...- publication PDF
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The NCAR–FAA snow machine: An artificial snow-generation system
The National Center for Atmospheric Research (NCAR) developed an artificial snow-generation system designed to operate in a laboratory cold chamber for testing aircraft anti-...- publication PDF
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A low-cost system for measuring horizontal winds from single-engine aircraft
The implementation and accuracy of a low-rate (~1 Hz) horizontal wind measurement system is described for a fixed-wing aircraft without modification to the airframe. The system...- publication PDF
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Characterization of Uncertainty in Measurements of Wind from the NSF/NCAR...
This technical note presents an analysis of uncertainty for measurements of wind from the Gulfstream V research aircraft operated by the National Center for Atmospheric Research...- publication PDF
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Turbulence organization and mean profile shapes in the stably stratified...
A persistent spatial organization of eddies is identified in the lowest portion of the stably stratified planetary boundary layer. The analysis uses flow realizations from...- publication PDF
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A standard test case suite for two-dimensional linear transport on the...
Recently, a standard test case suite for 2-D linear transport on the sphere was proposed to assess important aspects of accuracy in geophysical fluid dynamics with a "minimal"...- publication PDF
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"El Niño like" hydroclimate responses to last millennium volcanic eruptions
The hydroclimate response to volcanic eruptions depends both on volcanically induced changes to the hydrologic cycle and on teleconnections with the El Niño–Southern Oscillation...- publication PDF
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Measuring fluxes of trace gases at regional scales by Lagrangian...
We present a general framework for designing and analyzing Lagrangian-type aircraft observations in order to measure surface fluxes of trace gases on regional scales. Lagrangian...- publication PDF
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The impact of nitrogen and phosphorous limitation on the estimated...
We examine the impact of land use and land cover change (LULCC) over the period from 1850 to 2005 using an Earth system model that incorporates nitrogen and phosphorous...- publication PDF
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Historical total ozone radiative forcing derived from CMIP6 simulations
Radiative forcing (RF) time series for total ozone from 1850 up to the present day are calculated based on historical simulations of ozone from 10 climate models contributing to...- publication PDF
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An Aviation Research Facility for the Atmospheric Sciences
In this report a National Aircraft Facility Survey Group was appointed in July 1963. The group was requested to study and report upon requirements for research aircraft and...- publication PDF
