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Winter precipitation efficiency of mountain ranges in the Colorado Rockies...
Orographic precipitation depends on the environmental conditions and the barrier shape. In this study we examine the sensitivity of the precipitation efficiency (i.e., drying...- publication PDF
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A moist static energy budgetâbased analysis of the Sahel rainfall response...
Climate models generate a wide range of precipitation responses to global warming in the African Sahel, but all that use the NOAA Geophysical Fluid Dynamics Laboratory AM2.1...- publication PDF
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The impact of rimed ice hydrometeors on global and regional climate
Rimed hydrometeors (graupel or hail) are added to a stratiform cloud scheme for global models and tested in a variety of configurations. Off-line tests compare well to other...- publication PDF
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Managing Datasets and Programs at NCAR: The Mass Storage Subsystem
This article does not have an abstract or article summary.- publication PDF
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Will perturbing soil moisture improve warm-season ensemble forecasts? A...
Current generation short-range ensemble forecast members tend to be unduly similar to each other, especially for components such as surface temperature and precipitation. One...- publication PDF
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Numerical simulation of "an American haboob"
A dust storm of fearful proportions hit Phoenix in the early evening hours of 5 July 2011. This storm, an American haboob, was predicted hours in advance because numerical,...- publication PDF
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Exploring the factors controlling the long-term trend (1988â2019) of...
Observed surface organic aerosols (OA) concentrations slightly increased in the western US (WUS) but significantly decreased in the eastern US (EUS) in summer, and continuously...- publication PDF
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The Green's Function Model Intercomparison Project (GFMIP) protocol
The atmospheric Green's function method is a technique for modeling the response of the atmosphere to changes in the spatial field of surface temperature. While early studies...- publication PDF
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Human-driven greenhouse gas and aerosol emissions cause distinct regional...
Attribution studies have identified a robust anthropogenic fingerprint in increased 21st century wildfire risk. However, the risks associated with individual aspects of...- publication PDF
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Influence of lateral and top boundary conditions on regional air qualify...
The sensitivity of regional air quality model to various lateral and top boundary conditions is studied at 2 scales: a 60 km domain covering the whole USA and a 12 km domain...- publication PDF
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Imaging and spectropolarimetric observations of a band-split type II solar...
Context. Type II solar radio bursts are generated by electrons accelerated by coronal shock waves. They appear in dynamic spectra as lanes drifting from higher to...- publication PDF
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Impacts of global warming of 1.5, 2.0 and 3.0°C on hydrologic regimes in...
Regional climate change impacts show a wide range of variations under different levels of global warming. Watersheds in the northeastern region of the United States (NEUS) are...- publication PDF
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Coupled mesoscale-microscale modeling of air quality in a polluted city...
To perform realistic high-resolution air quality modeling in a polluted urban area, the Weather Research and Forecasting (WRF) model is used with an embedded large-eddy...- publication PDF
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Is the detection of accelerated sea level rise imminent?
Global mean sea level rise estimated from satellite altimetry provides a strong constraint on climate variability and change and is expected to accelerate as the rates of both...- publication PDF
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Exact nonlinear state estimation
The majority of data assimilation (DA) methods in the geosciences are based on Gaussian assumptions. While such approximations facilitate efficient algorithms, they cause...- publication PDF
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Sensitivity of different physics schemes in the WRF model during a West...
A 2-month (August-September) regime of the year 2007 West African monsoon (WAM) was simulated with 27 physics combinations using the Weather Research and Forecasting model at...- publication PDF
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Climate forcing reconstructions for use in PMIP simulations of the last...
We update the forcings for the PMIP3 experiments for the Last Millennium to include new assessments of historical land use changes and discuss new suggestions for calibrating...- publication PDF
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Description and evaluation of the Community Ice Sheet Model (CISM) v2.1
We describe and evaluate version 2.1 of the Community Ice Sheet Model (CISM). CISM is a parallel, 3-D thermomechanical model, written mainly in Fortran, that solves equations...- publication PDF
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Large-eddy simulation of an idealized tropical cyclone
This article does not have an abstract or article summary.- publication PDF
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Evaluation of the Atmospheric and Hydrological Cycle in the NCEP Reanalyses
An evaluation is carried out of the moisture fields, the precipitation P and evaporation E, and the moisture transport and divergence in the atmosphere from the global...- publication PDF
