By Jon Nazca GRAZALEMA, Spain, Feb 5 (Reuters) - Storm Leonardo pounded the Iberian peninsula with torrential rains on Thursday, prompting more flood warnings, as a man was killed by a deluge in Portugal and Spanish rescuers searched for a woman swept away by a river as she tried to save her dog.

As locals in Grazalema worked to clear floodwater from their homes by smashing holes in exterior walls, members of Spain's civil guard were seen asking residents to evacuate after the heavy rains.

Storm Leonardo dumped more than 40 centimetres (15 inches) of rain in some Andalusian districts on Wednesday, forcing the evacuation of thousands, paralysing rail and road transport and shutting schoo...