The cross product a Ã b is defined as a vector c that is perpendicular to both a and b, with a direction given by the right-hand rule and a magnitude equal to the area of the parallelogram that the vectors span.
Contributed by Neal Dorst (HRD) The Atlantic hurricane season is officially from 1 June to 30 November. There is nothing magical in these dates, and hurricanes have occurred outside of these six months, but these dates were selected to encompass over 97% of tropical activity.
Hurricane is the term used for a tropical cyclone in the Americas, or the northern hemisphere. All cyclones in the northern hemisphere spin in an anti-clockwise direction, whether they are hurricanes, or typhoons (the term for tropical cyclones in Asian waters).