Answer:
the answer is option a(a) 48h in advance.
Explanation:
The second stage warning known as "CYCLONE ALERT"is assused at least 48 hours.in advanced of the expected commencement of adverse weather over the coastal areas.....the third stage warning known as "CYCLONE WARNING" issued at least 24 hours in advance of the expected commencement of adverse weather over the coastal areas.please mark me brainliest