Also known as spaghetti plots, these models show where a tropical system, such as a hurricane, may go. The more they are clustered together, the higher the confidence in the forecast.
There’s a reason these maps are called spaghetti models. Just take a look. There are lines all over the place, like a plate of spaghetti. The simple lines actually come from some of the fastest computers in the world, making billions of computations. Lines are spread far apart can indicate uncertainty in the forecast. Are all spaghetti models the same? No. There are different kinds of spaghetti models: dynamical models, statistical models and ensemble models.
Usually, the name of the model can give away who is responsible. Take, for example, the “Navy Global Environmental Model” which is run by the United States Navy’s Fleet Numerical Meteorology and Oceanography Center. Some of the more familiar models are the American and European models run by the US government and a partnership of European countries respectively. The combination of plotting them all on one map is done by various companies.
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