PropertiesEdit. 1  The scalar triple product is invariant under a circular shift of its three operands (a, b, c): a â ( b Ã c ) = b â ( c Ã a ) = c â ( a Ã b ) {\displaystyle \mathbf {a} \cdot (\mathbf {b} \times \mathbf {c} )=\mathbf {b} \cdot (\mathbf {c} \times \mathbf {a} )=\mathbf {c} \cdot (\mathbf {a} \times \mathbf {b} )}.
2015 Pacific hurricane season. The 2015 Pacific hurricane season is the second-most active Pacific hurricane season on record with 26 named storms, only behind the 1992 season. A record-tying 16 of the storms became hurricanes, and a record 11 storms became major hurricanes throughout the season.
Tropical cyclone is a generic term. In the northern hemisphere, where tropical cyclones occur in the Atlantic Ocean, Caribbean, and eastern Pacific Ocean they are called hurricanes and those in the Pacific Ocean west of the 180th meridian are called typhoons. Those in the southern Pacific Ocean and Indian Ocean are simply called cyclones.