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Incoherent scatter radar measurements and modeling of high-latitude solar...
A 9-year database of sunlit E region electron density altitude profiles (N-e(z)) measured by the Sondrestrom incoherent scatter radar (ISR) has been partitioned over a parameter...- publication PDF
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The strong impact of weak horizontal convergence on continental shallow convection
Idealized large-eddy simulation (LES) is a basic tool for studying three-dimensional turbulence in the planetary boundary layer. LES is capable of providing benchmark solutions...- publication PDF
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Climatology of the quasi-6-day wave in the mesopause region and its...
The westward quasi‐6‐day planetary wave (Q6DW) with zonal wave number 1 is a prominent oscillation in the mesosphere and lower thermosphere region, which causes significant...- publication PDF
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“We got in the pilot program to learn from it:” Features of social learning...
Unintended consequences from decisions made in one part of a social-ecological system in response to climate hazards can magnify vulnerabilities for others in the same system....- publication PDF
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On the composite response of the MLT to major sudden stratospheric warming...
Based on a climate-chemistry model (constrained by reanalyses below ~50 km), the zonal-mean composite response of the mesosphere and lower thermosphere (MLT) to major sudden...- publication PDF
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Reservoir regulation affects droughts and floods at local and regional scales
Hydrological extremes can be particularly impactful in catchments with high human presence where they are modulated by human intervention such as reservoir regulation. Still, we...- publication PDF
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The role of low-level flow direction on tropical cyclone intensity changes...
The impact of low-level flow (LLF) direction on the intensification of intense tropical cyclones under moderate deep-layer shear is investigated based on idealized numerical...- publication PDF
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Revisiting Southern Hemisphere polar stratospheric temperature trends in...
The latest version of the Whole Atmosphere Community Climate Model (WACCM), which includes a new chemistry scheme and an updated parameterization of orographic gravity waves,...- publication PDF
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Configuration of Statistical Postprocessing Techniques for Improved...
The wind energy industry needs accurate forecasts of wind speeds at turbine hub height and in the rotor layer to accurately predict power output from a wind farm. Current...- publication PDF
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Localization and sampling error correction in ensemble Kalman filter data...
Ensemble Kalman filters use the sample covariance of an observation and a model state variable to update a prior estimate of the state variable. The sample covariance can be...- publication PDF
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Response of global SSTs and ENSO to the Atlantic and Pacific Meridional...
Consequences from a slowdown or collapse of the Atlantic meridional overturning circulation (AMOC) could include modulations to El Nino-Southern Oscillation (ENSO) and...- publication PDF
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The IBM 4341: Gateway to NCAR Computers
This report details the use of the IBM 4341 which offers four general services to the user: communication facilities, code development tools, job management utilities, and...- publication PDF
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Assessing Responses and Impacts of Solar Climate Intervention on the Earth...
Solar climate intervention using stratospheric aerosol injection is a proposed method of reducing global mean temperatures to reduce the worst consequences of climate change. A...- publication PDF
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Quantifying damage contributions from convective and stratiform weather...
Convective precipitation is intensifying in many regions, but potential implications of shifts in precipitation types on impacts have not been quantified. Furthermore, risk...- publication PDF
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A modeling strategy for the investigation of the effect of mesoscale SST...
An efficient modeling strategy is proposed for the investigation of the effect of the sea surface temperature (SST) mesoscale variability on atmospheric dynamics. Two ensembles...- publication PDF
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The design of a modern information technology infrastructure to facilitate...
NOAA/NCEP runs a number of numerical weather prediction (NWP) modeling suites to provide operational guidance to the National Weather Service field offices and service centers....- publication PDF
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Observed World Ocean Seasonal Surface Currents on a 5 Degree Grid
A digitized ocean current data set for use in ocean model or diagnostic computer studies is described. Various sources of observed ocean currents are examined, and surface...- publication PDF
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Spatiotemporal variability of turbulence kinetic energy budgets in the...
The assumption of subgrid-scale (SGS) horizontal homogeneity within a model grid cell, which forms the basis of SGS turbulence closures used by mesoscale models, becomes...- publication PDF
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Spatiotemporal controls on observed daytime ozone deposition velocity over...
Spatiotemporal variability in ozone dry deposition is often overlooked despite its implications for interpreting and modeling tropospheric ozone concentrations accurately....- publication PDF
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Magnetospheric Multiscale (MMS) Observations of magnetic reconnection in...
Magnetic reconnection is a fundamental process of energy conversion in plasmas between electromagnetic fields and particles. Magnetic reconnection has been observed directly in...- publication PDF
