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The National Hurricane Center (NHC) confirmed early Monday morning the formation of tropical storm Dexter in the western Atlantic. In its first message on X, the institution stated: "Tropical storm Dexter has formed over the western Atlantic. It is projected to move away from the U.S. coast and north of Bermuda."
Hours later, in a second advisory, the NHC reiterated: “Dexter will remain offshore from the U.S. coast and north of Bermuda.” This means that the system poses no threat to land.
According to the report issued at 5:00 a.m. (Atlantic time), the center of Dexter was located at 34.6 degrees north and 68.3 degrees west, about 415 kilometers northwest of Bermuda, with maximum sustained winds of 75 km/h and stronger gusts. The storm is moving east-northeast at 19 km/h, and is expected to accelerate over the next few hours.
In its second update, the NHC stated that there were no coastal alerts or warnings and forecasted a slight strengthening before the system becomes post-tropical on Wednesday. Tropical-storm-force winds extend up to 185 kilometers from the center.
Dexter is the fourth named storm of the 2025 hurricane season in the Atlantic. Meteorologist Philip Klotzbach, a specialist at Colorado State University, noted that this system arrived ahead of the historical average, which places the fourth storm around August 15. "No hurricanes have formed yet this year," he stated.
This development occurs one day after the NHC warned about the possible cyclonic formation of the AL95 area off the coast of North Carolina, which had a 50% chance of development and ultimately consolidated into the current tropical storm.
In July, Chantal became the third storm of the season, generating surges and heavy rains along the east coast of the U.S., although without severe damage.
The Colorado State University forecasts that the 2025 season will be active, with 16 named storms, eight hurricanes, and three major hurricanes (category 3 or higher), driven by above-average ocean temperatures.
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