Massive Flash Flood Watch Across the Midwest

A mudslide causes the earth to give way underneath a hospital in Minneapolis.
3:25 | 06/20/14

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Transcript for Massive Flash Flood Watch Across the Midwest
on a Friday night. Diana is back on montd. We bin with dangerous flash flooding. Look at the images. A foot of rain. All the way north of Minneapolis. Look at the Earth giving way. It is still standing tonight. The patients okay. Entire homes in the heartland surrounded by water. Neighborhoods unpassable. Unless you have a boat. Tonight millions in the path of more severe weather. Meteorologist ginger zee but first at the scene of the landslide that sent emergency teams scrambling. Reporter: An emergency at the university of Minnesota medical center -- a hundred yard chunk of hill that suddenly cut loose leaving the building dangling on a razor's edge. Paul saw it happen. No warning, all a sudden it -- I saw a tree moving and the whole hill came down, just a big mudslide coming down. Just rolling, just mud. Reporter: Geologists say mudslides like this, in this part of the country are extremely rare but in the last 24 hours several hit throughout the area. Washing out highways and threatening roads. When they do happen, there is little time to react. As the ground along a steep slope soaks up more water than it can hold. Traveling at speeds up to 35 miles per hour like this slide two months ago in Baltimore. And Minnesota is beyond soaked, here's water along this river yesterday and today up four feet overnight. In fact Thursday broke the record as the rainiest June day ever here. More than four inches. And that's on top of a month that's seen nearly five times the average monthly rainfall, the governor declaring a sate of emergency in 36 countries. We're going to see a very tragic situation today, a lot of hardship. Report. Reporter: Parts of Iowa are only now we beginning to dry out. They have been examining the hospital all day long and determined no one is in danger. The building is structurally sound. Even though the sun is shining they have received so much rain so fast out here that officials will continue to monitor the Mississippi and other areas for the next several days. David. Thank you. Let's bring in meteorologist ginger zee. You hear the Numbers and you say I can't put it in perspective. We wanted to show you how much rain. This will be for the twin cities. An average for June to this date would be over 2 1/2 inches but this month over 10 1/2 inches. A lot coming in the last seven days. More rain on the way? Yes. This is where it will fall for the next 48 to 72 hours. We're talking through Sunday. A bull's eye in southwestern iowament and parts of eastern Nebraska and North Carolina and this alone comes with severe weather. Pockets of it tonight. Hail and damaging winds. Also isolated tornados possible and a more jelled together area for severe storms for Saturday from rapped city to Des Moines, look out. Can grats on your wedding. Thank you. The Numbers worse than

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