A growing El Niño climate pattern is set to fuel a potentially intense hurricane season in the Eastern Pacific, with warmer ocean waters and reduced wind shear creating ideal conditions for tropical cyclone development.
The Eastern Pacific hurricane season officially begins on May 15, and forecasters are warning of an increased risk of hurricanes in the region, which could impact the southwestern United States, Mexico, and Hawaii.
Eastern Pacific Hurricane Season
An El Niño climate pattern allows tropical systems to develop and maintain their structure, as it reduces vertical wind shear, making it easier for storms to form and stay organized.
In contrast, the Atlantic basin is expected to experience relatively cooler waters and more vertical wind shear, making it less conducive for tropical system development, which could result in a below-average hurricane season.
The last time an El Niño pattern occurred was in 2023, which saw 20 tropical systems form in the Eastern Pacific, including Hurricane Hilary, which caused significant damage and loss of life in the southwestern United States and Mexico.
Implications and Preparations
The National Hurricane Center will closely monitor the Eastern Pacific for potential tropical system development, with Tropical Weather Outlooks updated multiple times a day, and residents in affected areas are advised to prepare for the upcoming hurricane season.
The first name on the rotating list of hurricane names for the Eastern Pacific is Amanda, followed by Boris, Cristina, and Douglas, and the National Hurricane Center will provide regular updates and warnings as the season progresses.
The impact of El Niño on hurricane seasons is a reminder of the complex and interconnected nature of global weather patterns, and the need for continued research and monitoring to better understand and prepare for these events.