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July 20, 2026, 8:36 PM EDT / Updated July 20, 2026, 11:42 PM EDT / Source: The Associated Press

By The Associated Press

NEW ORLEANS — Tropical Storm Bertha formed Monday evening in the Gulf of Mexico south of the Florida Panhandle as it drifts erratically toward populated coastal areas bearing a threat of heavy rain, storm surge and damaging wind gusts, forecasters say.