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50th anniversary: Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from...

Mon, September 20, 2021

5 yr ago

Source

In 1971, Hurricane Irene (satellite image pictured) moved into the Pacific Ocean from the Atlantic, making it the first actively tracked tropical cyclone to do so.

Also on Sep 20, 2021

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 50 years (1971 to 2021).
Recurs
annual
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Changes
  • 2026-09-25: added to 2021-09-20