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Understanding the National Hurricane Center's computer models

Sun-Sentinel

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Meteorologists at the National Hurricane Center study a wide array of data and use experience and intuition to predict a hurricane's future path. Computer-generated weather models and measurements gathered by "Hurricane Hunter" aircraft play a major role.

CLIPER
CLImatology and PERsistence
National Hurricane Center
Type: Statistical model
How it works: Compares a storm to historically similar storms.

GFS
Global forecast system
National Centers for Environmental Prediction
Type: Dynamic model
How it works: Creates worldwide forecasts by plotting the storm on a large grid that covers the globe. Readings from the grid points nearest the storm are combined with known values consistent with hurricanes, such as convection.

NHC98
1998 National Hurricane Center model
National Hurricane Center
Type: Combined model
How it works: Combines the CLIPER and GFS models.

BAM (three versions)
Beta and Advection Model
National Hurricane Center
Type: Dynamic model
 


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