Tropical Storm Cosme

Cosme was the third named storm of the 2025 Eastern Pacific hurricane season, forming as a tropical storm on June 8, 2025.

Cosme weakened and became post-tropical on June 11, 2025, dissipating the same day.

For more information, visit the National Hurricane Center.

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Contributions by: Josh Reiter

Satellite imagery of this event:

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Barbara and Cosme Weaken in Eastern Pacific

Media Details

Cooler waters and a more stable atmosphere have caused Tropical Storms Barabara and Cosme to slowly weaken.

Phenomena Tropical Cyclones

Satellites GOES-18

Products GeoColor

Instruments ABI

Timespan Start: 2025/06/09 17:00 - 2025/06/10 16:20

Barbara and Cosme Churn in the Eastern Pacific

Media Details

Barbara has become the first hurricane of the 2025 East Pacific hurricane season.

Nearby Tropical Storm Cosme will soon join Barbara in becoming a hurricane.

Phenomena Hurricanes, Tropical Cyclones

Satellites GOES-18

Products Infrared (band 13)

Instruments ABI

Timespan Start: 2025/06/08 15:00 - 2025/06/09 15:20