This all happens so quickly that Rice says the human forecaster has great trouble keeping up with the change in events. In fact, below 40 degrees south, sailors can expect a cold front every three days. However, even the most respected models don t have the data input to recognise certain bizarre features of the wild south - like when cold fronts travel ahead of their parent storm. So Rice, like all good forecasters, uses his extensive historical knowledge to correct wayward computer charts. In the middle of the south Pacific, Off the east coast of Argentina.
Rice explains that air coming off land has a lot to do with it.
In the Northern Hemisphere, cyclo-genesis areas exist off the east coast of North America and east of Japan. They can go from an open wave to a fully occluded storm in a day or two. In the northern hemisphere, it will take more time to do that. You end up with chaotic wind waves developing on top of a 50 or 60 or even 70 foot swell. Rounding the horn With the Southern Ocean behind them, arm-chair sailors might think skippers in the real world can relax after they round The Horn and head north into the Atlantic.