NEW : Arlene slows , but still packs winds of 40 mph . The storm is moving away from the coast and heading towards the east at about 10 mph. A hurricane warning has been lifted along Mexico 's eastern coast . Arlene , the first named storm of the 2011 Atlantic hurricane season , was moving west-southwest at about 7 mph , packing sustained winds of 40 mph , the National Hurricane Center said . National Hurricane Center : Rains could cause life-threatening flash floods and mudslides .
NEW : Arlene slows , but still packs winds of 40 mph . The storm is moving away from the coast and heading towards the east at about 10 mph. A hurricane warning has been lifted along Mexico 's eastern coast . National Hurricane Center : Rains could cause life-threatening flash floods and mudslides .