- Hurricane Polo grows into Category 5 storm off Mexico, could produce life-threatening flooding CBS News
- Hurricane Polo explodes into rare Category 5 monster after feasting on hot El Niño water CNN
- Hurricane Polo becomes ‘extremely dangerous’ Category 5 storm; another hurricane forming Syracuse.com
- Hurricane’s Explosive Growth Off Mexico Was ‘Truly Remarkable,’ Forecasters Say nytimes.com
- Major hurricane Polo intensifies off Mexico’s Pacific coast Reuters

