Massive heat dome locks in monsoon flooding over Arizona and New Mexico

Massive heat dome locks in monsoon flooding over Arizona and New Mexico

As a massive heat dome settles over the central and eastern U.S., it will lock in relentless monsoon flooding over Arizona and New Mexico, setting off days of widespread thunderstorms. A Level 2 out of 4 flood threat has been issued across the region, with some areas expected to see up to 3 inches of rain.