How could El Nino reshape tropical storms around the world this year?
Summary
El Nino is a warming of ocean waters in the Pacific that changes global weather patterns. This year, the US weather agency NOAA expects a quieter Atlantic hurricane season because El Nino usually reduces storms in that region while increasing storms in the Pacific.Key Facts
- The Atlantic hurricane season runs from June 1 to November 30, with the most storms usually in mid-September.
- NOAA predicts a 55% chance of fewer-than-normal storms in the Atlantic this year due to El Nino.
- El Nino happens when surface waters in the central and eastern Pacific Ocean get warmer than usual.
- This warming changes winds and rainfall worldwide, causing effects like floods and droughts.
- El Nino cycles happen every 2 to 7 years and last about 9 to 12 months.
- Its opposite, La Nina, cools Pacific waters and typically leads to more Atlantic hurricanes.
- Tropical storms start over warm ocean water when rising warm air creates low pressure and strong winds.
- Hurricanes, cyclones, and typhoons are the same type of storm but called different names depending on where they occur.
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