00:00Right now, a deadly heat dome is locking itself over 14 U.S. states,
00:04and health officials are calling it a life-threatening emergency.
00:08Temperatures are expected to climb above 100 degrees from Texas to Indiana this week.
00:14With several cities threatening to shatter all-time records,
00:17the National Weather Service has issued excessive heat warnings across the South and Midwest.
00:23Here is the dangerous part.
00:25Overnight lows are staying above 80 degrees,
00:27giving human bodies no chance to recover.
00:30Texas power grids are already straining under surging air conditioning demand.
00:35Health officials are most worried about elderly Americans living alone,
00:39children, and outdoor workers.
00:41At least three states have activated emergency cooling centers.
00:45Scientists say this type of locked heat dome is becoming more frequent and more intense.
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