Environmental Modeling Center

WD2300 W/NP23

Global Modeling Branch

The Global Modeling Branch conducts a program of research and development in support of the National Centers for Environmental Prediction (NCEP) operational forecasting mission for global prediction. This research and development in global modeling includes four dimensional data assimilation of satellite and conventional observations on a global scale, advanced numerical techniques for modeling the atmosphere and interactions between the atmosphere, ocean and land surfaces, parameterization of sub-grid scale processes in the atmosphere, ocean and land surfaces, development of a climate data assimilation system and reanalysis studies for archival and use by the scientific community, international aviation product development, diagnostic studies of global model performance, data quality control and evaluation of new observing systems, and support for tropical prediction. The Global Modeling Branch publishes research results in various media for dissemination to the world oceanographic and meteorological community.

Operational NEWS(Jan,2000) New Meteograms for most US cities - MRF, AVN 3 and 5 day forecasts.

Global Analysis/Assimilation information
Ensemble Forecasts using the Global Spectal Model Forecast Model Information Recent Model Changes Recent Technical Procedure Bulletins (TPBs)
Implementation plan for the Global Spectral Model
Observing System Simulation Experiments (OSSE/NPOESS) Project
NCEP Ensemble Products
Official Re-Analysis Home Page
Model Performance Statistics
Current and Recent MRF Forecast Maps (operational and parallel)
Model Fits to Observations
Grid-to-observation verifications
Diagnostics of Global Forecast/Analysis System Performance
Diagnostics of proposed changes to the global operational analysis/forecast system
Papers on NCEP/NCAR reanalysis
Contributions to report of WCRP/SCOR Working Group on Air-Sea Fluxes (WGASF)
Global Parallel Experiment Home Page
The Portable Global Spectral Model Home Page
All-Model biases for last 5 and 10 days from Hydrological Prediction Center (HPC)
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