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Cloud computing efforts for the Weather Research and Forecasting Model
The Weather Research and Forecasting (WRF) Model is a numerical weather prediction model supported by the National Center for Atmospheric Research (NCAR) to a worldwide...- publication PDF
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Interpretation of rank histograms for verifying ensemble forecasts
Rank histograms are a tool for evaluating ensemble forecasts. They are useful for determining the reliability of ensemble forecasts and for diagnosing errors in its mean and...- publication PDF
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Stochastically generated North American megadroughts
The importance of interannual-to-decadal sea surface temperature (SST) influences on drought in the United States is examined using a suite of simulations conducted with the...- publication PDF
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How do gravity waves triggered by a typhoon propagate from the troposphere...
Gravity waves (GWs) strongly affect atmospheric dynamics and photochemistry and the coupling between the troposphere, stratosphere, mesosphere, and thermosphere. In addition,...- publication PDF
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The record-breaking 1933 Atlantic hurricane season
The 1933 Atlantic hurricane season was extremely active, with 20 named storms and 11 hurricanes including 6 major (category 3+; 1-min maximum sustained winds ≥96 kt) hurricanes...- publication PDF
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A two-habit model for the microphysical and optical properties of ice clouds
To provide a better representation of natural ice clouds, a novel ice cloud model is developed by assuming an ice cloud to consist of an ensemble of hexagonal columns and...- publication PDF
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Meteorological conditions associated with increased incidence of West Nile...
West Nile virus (WNV) is a leading cause of mosquito-borne disease in the United States. Annual seasonal outbreaks vary in size and location. Predicting where and when higher...- publication PDF
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Decadal variability of the Indian and Pacific Walker cells since the 1960s:...
Previous studies have investigated the centennial and multidecadal trends of the Pacific and Indian Ocean Walker cells (WCs) during the past century, but have obtained no...- publication PDF
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The influence of assimilated upstream, preconvective dropsonde observations...
This study tests the hypothesis that assimilating mid-to upper-tropospheric, meso-a-to synoptic-scale observations collected in upstream, preconvective environments is...- publication PDF
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EZPLOT, for Publication-quality Plots
EZPLOT was written to fulfill a need for publication-quality figures within the Climate Analysis Section of the Climate and Global Dynamics Division (CGD) at NCAR. It is built...- publication PDF
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January and July Simulation Experiments With the 2.5 Latitude-longitude...
This technical note documents the capability of the National Center for Atmospheric Research (NCAR), 2.5�� latitude-longitude, second-generation, 6-layer General Circulation...- publication PDF
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The effect of a giant wind farm on precipitation in a regional climate model
The Weather Research and Forecasting (WRF) model is employed as a nested regional climate model to study the effect of a giant wind farm on warm-season precipitation in the...- publication PDF
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Emissions from biomass burning in the Yucatan
In March 2006 two instrumented aircraft made the first detailed field measurements of biomass burning (BB) emissions in the Northern Hemisphere tropics as part of the MILAGRO...- publication PDF
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Analyzing ozone variations and uncertainties at high latitudes during sudden...
Stratospheric circulation is a critical part of the Arctic ozone cycle. Sudden stratospheric warming events (SSWs) manifest the strongest alteration of stratospheric dynamics....- publication PDF
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Combining magnetohydrostatic constraints with Stokes profiles inversions
Context. Inversion codes for the polarized radiative transfer equation, when applied to spectropolarimetric observations (i.e., Stokes vector) in spectral lines, can be used to...- publication PDF
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Sensitivity of an idealized tropical cyclone to the configuration of the...
The intensity and structure of simulated tropical cyclones (TCs) are known to be sensitive to the planetary boundary layer (PBL) parameterization in numerical weather prediction...- publication PDF
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Measurements of flow distortion within the IRGASON integrated sonic...
Wind-tunnel and field measurements are analyzed to investigate flow distortion within the IRGASON integrated sonic anemometer and CO₂/H₂O gas analyzer as a function of wind...- publication PDF
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Correcting for position errors in variational data assimilation
The Feature Calibration and Alignment technique (FCA) has been developed to characterize errors that a human would ascribe to a change in the position or intensity of a coherent...- publication PDF
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Acceleration of the Parameterization of Unified Microphysics Across Scales...
Cloud microphysics is one of the most time-consuming components in a climate model. In this study, we port the cloud microphysics parameterization in the Community Atmosphere...- publication PDF
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Understanding Australia's hottest September on record
This article does not have an abstract or article summary.- publication PDF
