MEXICO CITY (AP) – Tropical Storm Roslyn formed off the southern Pacific coast of Mexico on Thursday, and forecasters expect it to strengthen into a hurricane over the weekend or early next week and land somewhere near the resort town of Puerto Vallarta .
The US National Hurricane Center said Roslyn had winds of about 40 mph on Thursday and was about 280 kilometers south of the resort town of Zihuatanejo.
The storm moved west at 6 mph (9 kph), but atmospheric conditions are likely to send Roslyn on a more northerly course in the coming days.
There were no storm warnings or watches in effect yet, and there was some uncertainty about the storm’s path. Roslyn can have winds as high as 100 mph (160 kph) when approaching land.
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