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"This would be like an F8 tornado sweeping across the surface. These are winds on Mars that will never be seen again unless [there is] another impact." -Peter Schultz
When you examine craters on the surfaces of worlds across the solar system, you find that there are rays emanating outward, containing a mix of ejecta from the impactor and the surface itself. But there’s a limit to how far those rays go, and that’s normally dependent on the size of the crater. In a few instances on Mars, however, those rays go much, much farther than physics would indicate.