The Navy Operational Global Atmospheric Prediction System (NOGAPS) is a global

numerical weather prediction Numerical weather prediction (NWP) uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions. Though first attempted in the 1920s, it was not until the advent of computer simulation in th ...

computer model Computer simulation is the process of mathematical modelling, performed on a computer, which is designed to predict the behaviour of, or the outcome of, a real-world or physical system. The reliability of some mathematical models can be deter ...

run by the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

's Fleet Numerical Meteorology and Oceanography Center. This

mathematical model A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling. Mathematical models are used in the natural sciences (such as physics, ...

was run four times a day and produced weather forecasts. The NOGAPS was replaced by the NAVGEM in February 2013. Impacts of the Extra-Tropical Transition of Tropical Cyclones on Mid-Latitude Circulation Systems (in NOGAPS)", Harr, P., R. Ellsberry, P. Klein, T. Hogan and W. Clune. Fifteenth Conference on Weather Analysis and Forecasting, American Meteorological Society, August, 1996.

References

External links

FNMOC Portal
Naval meteorology Numerical climate and weather models Weather prediction {{USN-stub