Tropical Storm Dexter

Tropical Storm Dexter formed on August 3, 2025 between the U.S. East Coast and Bermuda. After several days of slight strengthening and weakening, Dexter obtain peak sustained winds of 50 mph (85km/hr) on August 6. The next day Dexter transition into an extratropical cyclone in the North Atlantic.

More information on Dexter can be found via the National Hurricane Center.

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Contributions by: Dakota Smith

Satellite imagery of this event:

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Wildfire Smoke Wraps Around Dexter

Media Details

Canadian wildfire smoke wraps around the circulation of Tropical Storm Dexter.

Phenomena Extratropical Transition, Smoke, Tropical Cyclones, Wildfires

Satellites GOES-19

Products GeoColor

Instruments ABI

Timespan Start: 2025/08/06 10:00 - 2025/08/06 22:00

Low-Level Circulation of Dexter Becomes Exposed

Media Details

Convection associated with Tropical Storm Dexter dissipates, revealing the swirling low at its center. Wildfire smoke streams north of the storm.

Phenomena Smoke, Tropical Cyclones, Wildfires

Satellites GOES-19

Products GeoColor

Instruments ABI

Timespan Start: 2025/08/05 10:00 - 2025/08/05 16:10

Tropical Storm Becomes Fourth Named Storm of Season

Media Details

Tropical Storm Dexter forms in the Atlantic, becoming the fourth named storm of the season.

Phenomena Tropical Cyclones

Satellites GOES-19

Products Infrared (band 13)

Instruments ABI

Timespan Start: 2025/08/03 00:00 - 2025/08/04 14:30