e/Pre-1980 North Indian Ocean cyclone seasons

Information
has gloss	eng: The years before 1980 featured the pre-1980 North Indian Ocean cyclone seasons. Each season was an ongoing event in the annual cycle of tropical cyclone formation. The North Indian tropical cyclone season has no bounds, but they tend to form between April and December, with peaks in May and November. These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
lexicalization	eng: Pre-1980 North Indian Ocean cyclone seasons
subclass of	(noun) a period of the year marked by special events or activities in some field; "he celebrated his 10th season with the ballet company"; "she always looked forward to the avocado season" season