21 datasets

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

History of station position and elevation changes are archived for all stations in the NMC ADP upper air data set (ds353.4)

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Important Notice: Update of JRA-55 data will terminate at the end of January 2024. Please use Japanese Reanalysis for Three Quarters of a Century (JRA-3Q) [https://rda.ucar.edu/datasets/d640000/] at that time. The Japan Meteorological Agency (JMA) conducted JRA-55, the second Japanese global atmospheric reanalysis project. It covers 55 years, extending back to 1958, coinciding with the establishme

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · Astronomical catalogue · unknown

Historical Unidata Internet Data Distribution (IDD) Gridded Model Data are obtained via the Unidata Internet Data Distribution System (IDD). Data includes gridded analyses and forecasts from US National Centers for Environmental Prediction (NCEP) and European Centre for Medium-Range Weather Forecasts (ECMWF) models. Models include NCEP ETA, NAM and RUC covering the Continental US, NCEP Ensemble an

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

The Dynamical Core Model Intercomparison Project (DCMIP) in 2016 focused on non-hydrostatic global models, physics-dynamics coupling, and variable-resolution modeling. The required test cases including moist baroclinic wave with terminator chemistry, idealized tropical cyclone and supercell scenarios. The intercomparison results are archived and used to establish new atmospheric model test cases o

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This dataset contains station libraries and histories and received from various sources.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

The isentropic level analysis data from ECMWF ERA-40 reanalysis project are available in this dataset.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

The dataset includes post-processed model outputs from global simulations using the MPAS-A version 7.1. The model was initialized using both ECMWF Integrated Forecast System (IFS) and NCEP Global Forecast System (GFS) on September 8, 2006 and integrated for 5 days and 6 hours to hindcast the evolution and tropical cyclogenesis of the African easterly wave that became Hurricane Helene in 2006. The

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Current predictions and projections of future sea-level changes are based on Coupled Model Intercomparison Project (CMIP) class climate model simulations. Although this class of models is capable of simulating global sea-level rise and its basic spatial patterns, they are unable to robustly and accurately predict or project future regional and local sea-level changes because of their limitations i

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Hourly WRF-Chem simulations at 9 km grid spacing over the contiguous U.S. (CONUS) of several variables including the aerosol optical depth and the soil moisture using GOCART and GOCART-AFWA dust emission parameterizations. The simulations with GOCART-AFWA have different levels of dust emissions (five). There are two simulations for each case with and without SMAP soil moisture retrievals. There is

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Climate variations on seasonal-to-decadal (S2D) timescales can have enormous social, economic, and environmental impacts, making skillful predictions on these time scales an invaluable tool for policymakers and stakeholders. Such variations modulate the likelihood and intensity of extreme weather events including, tropical cyclones (TCs), heat waves, winter storms, atmospheric rivers (ARs), and fl

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

10 day forecasts at 12 hour intervals from MRF model in spherical harmonics at R30 through November 1995, and on a 2.5-degree GRIB grid beginning December 1995. MORE [http://rda.ucar.edu/datasets/ds084.0/docs/more.summary.html]

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This dataset contains tropospheric temperature analyses derived from satellite microwave sounding units (MSUs). Included are monthly means and anomalies, and annual cycle data.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Climate variations on seasonal-to-decadal (S2D) timescales can have enormous social, economic, and environmental impacts, making skillful predictions on these time scales an invaluable tool for policymakers and stakeholders. Such variations modulate the likelihood and intensity of extreme weather events including, tropical cyclones (TCs), heat waves, winter storms, atmospheric rivers (ARs), and fl

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Goals: Photolysis of monoterpene-derived organic nitrates Summary: Photolysis rate constant and mechanism of b-pinene-derived organic nitrate Organization: Ng Research Group Lab Affiliation: Georgia Institute of Technology Chamber: Georgia Tech Environmental Chamber (Far) Experiment Category: Gas phase chemical reaction, Photolysis, any phase Oxidant: None Reactants: 1o_BpHN, Cyclohexane Reaction

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This dataset contains a station library for WMO surface and upper-air stations. The library is current as of November 1995.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This COLA SP CCSM4 project uses the NCAR Community Climate System Model, CCSM version 4, to simulate and evaluate the variability between the present-day and the future based on several scenarios.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Climate variations on seasonal-to-decadal (S2D) timescales can have enormous social, economic, and environmental impacts, making skillful predictions on these time scales an invaluable tool for policymakers and stakeholders. Such variations modulate the likelihood and intensity of extreme weather events including, tropical cyclones (TCs), heat waves, winter storms, atmospheric rivers (ARs), and fl

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Upper air analysis on potential vorticity surface data from ECMWF ERA-40 reanalysis project are in this archive.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

Sounding data collected from various areas of the world including Argentina, Australia, Brazil, Canada, France, India, Japan, New Zealand, Russia, Singapore, South Africa, and United Kingdom.

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This work aims at quantifying uncertainties in sea level projections using forcing from the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). The Community Ice Sheet Model (CISM) is used to run ISMIP6 based projections of ocean-forced Antarctic Ice Sheet (AIS) evolution. In these experiments we investigate parameters such as basal friction laws, grid resolutions, melt scheme, stress bala

National Center for Atmospheric Research + Computational and Information Systems Laboratory Research Data Archive2026 · dataset · unknown

This dataset contains Version 3.2 of The Global Precipitation Climatology Project (GPCP) Satellite-Gauge (SG) Combined Precipitation Data Set at monthly resolution (GPCPMON). The variables included are combined SG precipitation, combined SG precipitation random error, multi-satellite precipitation, probability of liquid phase, wind-loss adjusted gauge precipitation, satellite source index, gauge r