Tropical Storm: Tropical storm warnings issued

By LORENA MOGUEL AP PUERTO VALLARTA, Mexico — Bud weakened to a tropical storm Friday as heavy rain began to pelt a string of laid-back beach resorts and small mountain villages on Mexico's Pacific coast south of Puerto Vallarta.On May 23, 2012, the remnants of post-tropical storm Alberto were chasing a frontal system over the Atlantic Ocean, several hundred miles east of the U.S. East coast. A new NASA animation of imagery from NOAA's GOES-15By LORENA MOGUEL AP PUERTO VALLARTA,

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