First Atlantic hurricane of the 2026 season makes landfall in the USFull story: Hurricane Isaias hammers Gulf coastSign up for the US Breaking News emailHow storm surges are formed As a hurricane approaches a coast, the churning winds force ocean water up on to land; atmospheric pressure from the storm also helps squeeze the water ashore. More than 800,000 customers were without power Saturday as communities across the US Gulf Coast began assessing the damage left by Hurricane Isaias, which brought destructive winds, widespread flooding and storm surge. Key points and original sources are listed below.

• First Atlantic hurricane of the 2026 season makes landfall in the USFull story: Hurricane Isaias hammers Gulf coastSign up for the US Breaking News emailHow storm surges are formed As a hurricane approaches a coast, the churning winds force ocean water up on t...S1

• More than 800,000 customers were without power Saturday as communities across the US Gulf Coast began assessing the damage left by Hurricane Isaias, which brought destructive winds, widespread flooding and storm surge.S2