Study Finds Hurricanes Frequent in Some Cooler Periods
Over the last 5,000 years, the eastern Caribbean has experienced several periods in which strong hurricanes occurred frequently despite cooler ocean temperatures.
Rule of thumb testing if a climate-related hazard (wildfire, flood, drought, storm..) is "unprecedented": Ping a paleoclimatologist. e.g.:
on Caribbean hurricanes:
Clues from U.S. hurricane zones here
and here (from Kerry Emanuel,
and more, facilitated by
and here from