Portal:Weather/On this day list/November 15
November 15: Start of the South-West Indian Ocean cyclone season[edit]
1974: The NOAA-4 weather satellite was launched.
1989: Dozens were killed in a severe weather outbreak across the eastern half of North America, mainly in the Southeastern and Northeastern United States.
2006: Hurricane Sergio, the strongest Pacific hurricane on record in the month of November, reached its peak intensity, with maximum sustained winds of 110 miles per hour (180 km/h).