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 weather forecasting, predict the weather based on current weather conditions. Though first attempted in the 1920s, it was not until the advent of comput ...

computer model Computer simulation is the running of a mathematical model on a computer, the model being designed to represent the behaviour of, or the outcome of, a real-world or physical system. The reliability of some mathematical models can be determin ...

run by the

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

's Fleet Numerical Meteorology and Oceanography Center. This

mathematical model A mathematical model is an abstract and concrete, abstract description of a concrete system using mathematics, mathematical concepts and language of mathematics, language. The process of developing a mathematical model is termed ''mathematical m ...

was run four times a day and produced

weather forecasts Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloud cover, cloudy. On Earth, most weather phenomena occur in the lowest layer of the planet's atmo ...

. The NOGAPS was replaced by the

NAVGEM The Navy Global Environmental Model (NAVGEM) is a global numerical weather prediction computer simulation run by the United States Navy's Fleet Numerical Meteorology and Oceanography Center. This mathematical model is run four times a day and prod ...

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