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Memory of irrigation effects on hydroclimate and its modeling challenge
Irrigation modifies land-surface water and energy budgets, and also influences weather and climate. However, current earth-system models, used for weather prediction and climate...- publication PDF
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Ionospheric vertical plasma drift perturbations due to the quasi 2 day wave
The thermosphere-ionosphere-mesosphere-electrodynamics-general circulation model is utilized to study the vertical EâÃâB drift perturbations due to the westward quasi...- publication PDF
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Current status and future challenges of weather radar polarimetry: Bridging...
After decades of research and development, the WSR-88D (NEXRAD) network in the United States was upgraded with dual-polarization capability, providing polarimetric radar data...- publication PDF
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Deciphering the preâsolar-storm features of the 2017 September storm from...
We investigate whether global toroid patterns and the local magnetic field topology of solar active region (AR) 12673 together can hindcast the occurrence of the biggest...- publication PDF
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International Relations: The UCAR Africa Initiative
This article does not have an abstract or article summary.- publication PDF
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MALTA: A zonally averaged global atmospheric transport model for long-lived...
We present a two-dimensional, zonally averaged global model of atmospheric transport named MALTA: Model of Averaged in Longitude Transport in the Atmosphere. It aims to be...- publication PDF
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An evaluation of ENSO asymmetry in the community climate system models: A...
The asymmetry between El Niño and La Niña is a key aspect of ENSO that needs to be simulated well by models in order to fully capture the role of ENSO in the climate system....- publication PDF
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Momentum budget of the migrating diurnal tide in the Whole Atmosphere...
The momentum budget of the migrating diurnal tide (DW1) at the vernal equinox is studied using the Whole Atmosphere Community Climate Model, version 4 (WACCM4). Classical tidal...- publication PDF
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Bayesian functional ANOVA modeling using Gaussian process prior distributions
Functional analysis of variance (ANOVA) models partition a functional response according to the main effects and interactions of various factors. This article develops a general...- publication PDF
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Trade wind clouds and Hawaiian rainbands
Two case studies of rainband evolution off the windward coast of the Big Island of Hawaii are presented along with an overview of the complete radar and satellite dataset from...- publication PDF
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Global Analyses From ECMWF and Atlas of 1000 to 10 Mb Circulation Statistics
This report describes the European Centre for Medium Range Weather Forecasts (ECMWF) global analyses available to NCAR. Several data sets are available with differing...- publication PDF
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Driving influences of the Doppler flash observed by SuperDARN HF radars in...
Sudden enhancement in high-frequency absorption is a well-known impact of solar flare-driven Short-Wave Fadeout (SWF). Less understood, is a perturbation of the radio wave...- publication PDF
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Exploring impacts of size-dependent evaporation and entrainment in a global model
While most observations indicate well-buffered clouds to aerosol perturbations, global models do not. Among the suggested mechanisms for this discrepancy is the models' lack of...- publication PDF
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A finite-volume module for cloud-resolving simulations of global atmospheric flows
The paper extends to moist-precipitating dynamics a recently documented high-performance finite-volume module (FVM) for simulating global all-scale atmospheric flows...- publication PDF
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Assimilation of semi-qualitative observations with a stochastic ensemble...
The ensemble Kalman filter assumes observations to be Gaussian random variables with a pre-specified mean and variance. In practice, observations may also have detection limits,...- publication PDF
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First reprocessing of southern hemisphere ADditional OZonesondes profile...
Reprocessed ozonesonde data from eight SHADOZ (Southern Hemisphere ADditional OZonesondes) sites have been used to derive the first analysis of uncertainty estimates for both...- publication PDF
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Amplification of future energy demand growth due to climate change
Future energy demand is likely to increase due to climate change, but the magnitude dependson many interacting sources of uncertainty. We combine econometrically estimated...- publication PDF
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The Benguela upwelling system: Quantifying the sensitivity to resolution and...
Of all the major coastal upwelling systems in the world's oceans, the Benguela, located off southwest Africa, is the one that climate models find hardest to simulate well. This...- publication PDF
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Modeling SOA formation from the oxidation of intermediate volatility n-alkanes
The chemical mechanism leading to SOA formation and ageing is expected to be a multigenerational process, i.e. a successive formation of organic compounds with higher oxidation...- publication PDF
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Process-oriented diagnostics: Principles, practice, community development,...
Process-oriented diagnostics (PODs) aim to provide feedback for model developers through model analysis based on physical hypotheses. However, the step from a diagnostic based...- publication PDF
