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RISVertical Tilts of Tropospheric Waves: Observations and Theory
Publisher: American Meteorological Society
Abstract: The vertical tilts of planetary waves as functions of zonal wavenumber and frequency were examined by two methods. First, the vertical tilts were computed by a cross-spectral analysis of the geopotential heights at different ...
A Method to Estimate the Statistical Significance of a Correlation When the Data Are Serially Correlated
Publisher: American Meteorological Society
Abstract: When analyzing pairs of time series, one often needs to know whether a correlation is statistically significant. If the data are Gaussian distributed and not serially correlated, one can use the results of classical ...
The Potential Predictability in a 14-Year GCM Simulation
Publisher: American Meteorological Society
Abstract: A 14-yr simulation of a GCM forced by observed SST and sea ice is compared with observations as well as a GCM simulation that used climatological surface conditions. The low frequency (periods > 2 months) behavior in both ...
NOMADS: A Climate and Weather Model Archive at the National Oceanic and Atmospheric Administration
Publisher: American Meteorological Society
Abstract: An online archive of real-time and historical weather and climate model output and observationaldata is now available from the National Oceanic and Atmospheric Administration (NOAA). This archive, known asthe NOAA National ...
The Predictability of Soil Moisture and Near-Surface Temperature in Hindcasts of the NCEP Seasonal Forecast Model
Publisher: American Meteorological Society
Abstract: Using the NCEP?DOE reanalysis (R-2) soil wetness and the NCEP Seasonal Forecast System, seasonal predictability of the soil moisture and near-surface temperature, and the role of land surface initial conditions are examined. ...
The Impact of High-Resolution SALLJEX Data on Global NCEP Analyses
Publisher: American Meteorological Society
Abstract: A data assimilation study was performed to assess the impact of observations from the South American Low-Level Jet Experiment (SALLJEX) on analyses in the region east of the Andes Mountains from western Brazil to central ...
Influence of the North American Monsoon Experiment (NAME) 2004 Enhanced Soundings on NCEP Operational Analyses
Publisher: American Meteorological Society
Abstract: During the 2004 North American Monsoon Experiment (NAME) field campaign, an extensive set of enhanced atmospheric soundings was gathered over the southwest United States and Mexico. Most of these soundings were assimilated ...
Evaluation of Soil Moisture in the NCEP–NCAR and NCEP–DOE Global Reanalyses
Publisher: American Meteorological Society
Abstract: This study compares soil moisture analyses from the National Centers for Environmental Prediction?National Center for Atmospheric Research (NCEP?NCAR) global reanalysis (R-1) and the later NCEP? Department of Energy (DOE) ...
Atmospheric Moisture Transport over the United States and Mexico as Evaluated in the NCEP Regional Reanalysis
Publisher: American Meteorological Society
Abstract: The large-scale atmospheric hydrologic cycle over the United States and Mexico derived from the 23-yr NCEP regional reanalysis (RR) was evaluated by comparing the RR products with satellite estimates, independent sounding ...
NCEP–DOE AMIP-II Reanalysis (R-2)
Publisher: American Meteorological Society
Abstract: The NCEP?DOE Atmospheric Model Intercomparison Project (AMIP-II) reanalysis is a follow-on project to the ?50-year? (1948-present) NCEP-NCAR Reanalysis Project. NCEP?DOE AMIP-II reanalysis covers the ?20-year? satellite ...