El Niño Winds Battle Warm Gulf Waters Over Hurricane Isaias

Hurricane Isaias is approaching the U.S. Gulf Coast as El Niño's wind shear fights the Gulf of Mexico's unusually warm waters for control of the storm's strength. Researchers say the storm's tilt and eye reveal which force is winning. The Gulf is about 1.5 degrees Celsius warmer than normal, fuel that climate change makes far more likely.