Shows the genesis points of each tropical cyclone in the event set. The origin points are the points at which the storm peak wind speeds first exceed the value of startv as defined in the params.m file, unless that value is sufficiently small, in which case the points represent the points at which each track was seeded. The tracks may be filtered to include only those events whose lifetime maximum winds exceed value specified in params.m .
This version of the script uses the free m_map routines, which are included with the script set. Various map properties can be set in params.m .