mark strauss man joins me now. you have seen some of these rescues. >> we have, and on so many levels, the deluge of rain is matched by a deluge of need in the flood zone. fema estimates 30,000 evacuees couple of days. >> more of houston's flood survivors left rooftops in a basket today. 20 coast guard helicopters have plucked more than 300 harvey victims to safety. but officials admit there aren't enough helicopters, boats or high water vehicles to reach everyone. emergency systems were overwhelmed. by this morning 75,000 people had called 911 desperate for help. >> i know yesterday we pulled 76 people to dry land. >> 76 people. >> 76 people, one day. >> in one day. >> mike hawthorne, a captain with the houston fair department said volunteers with boats and trucks have been lifesavers. >> the need is overwhelming. we the government has resources but we don't have enough. >> many victims are tweeting for help in realtime. social media sites for locations of people in distreses-- distress. these evacuees arrived at

mark strauss man reports on how those tine towns areuge cro. >> reporter: you do not usually s#çx roadblocks at a museum but on monday this observatory will be over run bylips fans coming e stars in the middle of the day when temperatures are expected to be in the 90's. >> we will have, water, seating, we are bringing in tents and fans as well. >> reporter: the eclipse will travel 2400 miles across the u.s., 12 million people live in the totality zone of complete darkness but 10 million visitors are expected to squeeze their way in to the eclipse path. with populations expected to nearly double, cities and towns are redoubling their efforts ready. >> we're going to run out of iht is seeing a run on bottled >> we're hoping to get ship ments every day to keep up with the demand that we will ha people coming through town. >> reporter: while the eclipse is 70 miles wide many road people are using to see it are narrow just two lanes in some rural areas. >> with the folks that we expect to come to this eclipse we are very concerned about just getting to our emergenc ies. >> reporter: so many peopl

mark strauss sman inside, mark, good morning. >> reporter: good morning, nora, that surge of evacuees that overwhelmed the center forced officials to open up two more big shelters downtown. you're right, that should ease some of the pressure here where volunteers have struggled to deal with short supplies and short tempers. volunteers from across stx scrambled to convert houston's nrg center into a shelter for storm victims. >> we're here setting up cots for those people that were not able to get into some of the other shelters that were open. >> reporter: less than 24 hours after planning for began, evacuees started pouring in, the center has made room for up to 10,000 displaced residents. caring has been a challenge for the houston's mayor. can you guarantee that the supply chains of food, water, cots are going to get through to that center? >> we have made a question on fema for an additional 10,000 cots and supplies. and we have said that we need them to get here as soon as possible. >> reporter: once again, turner defended his decision not to evacuate nearly 7 million people ahea

let's first bring in mark strauss man. he's been following the emergency response overnight. good morning. >> you mentioned the 2,000 rescues already and there's nothing but rain in the forecast for days. local officials are very blunt about it. they do not have the resources to answer every call for help. so lots of folks have begun to complain why weren't they told to get out of harm's way while they still could instead of being snuck asking for help. rescues continue throughout the night. the rising water is everywhere, pushing into homes and crippling a metro area packed with nearly 7 million people the u.s. coast gart plucked the stranded off roof tops. many of them blienld sided by an historic amount of rain. >> i wish we could send out assets to a neighborhood and say we're here to get you out of harm's way but we don't know what neighborhood to send them to. >> rnl streets flooded with both water and people trying to get to safety. >> okay. we'll try to get a boat out here. >> harris county rls could you crews are going door to door helping as many people as we can. >

mark strauss man has the story. >> reporter: new year's day 2016, officer convincey smith responded to a call about a suspicious person inest el, south carolina. >> stop. stop. >> this video was recorded by the officer's camera glasses that he bought himself on amazon for $30. >> if you don't stop, i'm going to takes you. >> reporter: as officer smith approached the suspect, ea nine millimeter handgun from his pocket and openedir fe. >> take your hands out ofou yr pocket. shots fired. >> reporter: or fired eight times. half the shots wounded smith in his arm, neck and torso. a year and a half later, officer smith recalled the terror of that moment. >> the first shot hit me in the neck and it felt like something flicked me in my neck. it was enough force to knock me on my back. >> reporter: the officer retreated to his cruiser to call for back up. i thought i was going to die right then and i told dispatch tell my family i love them because i didn't think i was going to match it. >> zmach, please tell my family i love them. >> reporter: responding officers arrested moor. >> that's not t

mark strauss man has the story. >> reporter: new year's dayincet responded to a call about a suspicious person inest el, south carolina. >> stop. stop. >> this video was recorded by the officer's camera glasses for $30. >> if you don't stop, i'm going to takes you. >> reporter: as officer smith approached the suspect, 29-year-old malcolm or pulled a nine millimeter handgun from his pocket and opened fire. >> take your hands out of your >> reporter: or fired eight times. half the shots wou in his arm, neckmindth aednd s tor. a year and a half later, officer smith recalled the terror of stenom mt. hit me in the neck and it felt like something flicked me in my neck. it was enough force to knock me on my back. >> reporter: the officer retreated to his cruiser to call for back up. i thought i was going to die right then and i told dispatch tell my family i love them because i didn't think i was going to match it. >> zmach, please tell my family i love them. >> reporter: responding officers arrested moor. teattet's not the moor -- he kdmpo tlil did with malice. >> reporter: this week that vid