MYRTLE BEACH, SC (WMBF)- More and more people are becoming aware of different forecast computer models. Hurricane Sandy introduced America to the European forecast model (Euro) when it drastically outperformed the American model (GFS) in predicting Sandy's track.
Since Hurricane Sandy, both global forecast models have undergone some upgrades, but the GFS is still lacking in a few areas. Congress gave NOAA a little money after Hurricane Sandy and NOAA put the funds to work. They have been testing two experimental global models and will make a decision over the next few months as to which one they feel best fits the needs of the meteorology community in the US.
The two models are very different. The MPAS (Model for Prediction Across Scales) was developed by scientist at the National Center for Atmospheric Research (NCAR). The MPAS uses a revolutionary grid of hexagons to map out the globe instead of traditional cubes. This new technique allows for very high resolution of weather features.
The other model being tested is the FV3 and was developed by NOAA. This model uses a "cubed-sphere" grid pattern that is similar to a traditional grid pattern. Since FV3 was developed by NOAA, it's considered an "in-house" model and would be a significant upgrade to the GFS.