Hurricane Otis rapidly intensified – why was it so hard to predict?

All the weather models forecasted that Otis would make landfall as a tropical storm, but instead it intensified into a Category 5 hurricane

​All the weather models forecasted that Otis would make landfall as a tropical storm, but instead it intensified into a Category 5 hurricane All the weather models forecasted that Otis would make landfall as a tropical storm, but instead it intensified into a Category 5 hurricane