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By Joe Edwards
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A forecast map shows the expected path for Tropical Storm Alvin as it moves through the Eastern Pacific southwest of Mexico.
Why It Matters
Alvin became the 2025 season's first named storm after forming on Thursday.
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Its arrival comes after forecasters previously indicated that the 2025 hurricane season would be above normal.
What To Know
The storm is forecast to keep moving northwest and may deliver heavy rainfall and strong winds to the southern coast of Baja California Sur, particularly in elevated areas, AccuWeather said in an advisory shared with Newsweek.
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Alvin is forecast to maintain tropical storm strength through Saturday, though it is projected to weaken as it nears southwest Mexico. Strong winds and heavy, flooding rain will likely be limited to areas near the coast of Baja California Sur, the outlet said.
The intense rainfall could lead to landslides and travel delays, particularly in higher elevations along the southern coast, it added.
Bob Larson, a senior meteorologist at AccuWeather previously told Newsweek that while the Eastern Pacific hurricane season has already begun, Tropical Storm Alvin has arrived slightly earlier than normal.
The first tropical storm of the Eastern Pacific hurricane season typically forms around June 10. While Alvin developed earlier than usual, Larson said it is not considered "unprecedented."
What People Are Saying
Fox Weather hurricane specialist Bryan Norcross said: "The Eastern Pacific season kicked off right on schedule. The ocean water off the southern coast of Mexico is always quite warm, and this year the atmospheric pattern over that part of the ocean is quite conducive for development.
"Alvin has a good chance of intensifying significantly over the open water. As it tracks farther north, however, the water cools quickly. So, if Alvin affects Cabo San Lucas or nearby areas in northern Mexico, for example, it looks likely to be a weakening storm."
Meteorologist Jim Cantore said on X, formerly Twitter on Friday: "Alvin caught in the southwest deep flow and getting sheared and pushed by the dry air around the base of the trough. Alvin's time as a TS is numbered, but the eventual moisture, rain and the 20-30 degree cool down in the southwest will be welcome."
What Happens Next
Atlantic hurricane season begins on June 1 and runs to November 30, while the eastern Pacific hurricane season began on May 15, also lasting through November 30.
Meanwhile, forecasters are watching a low risk for another development south of Mexico from June 3-6.
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