right now on news t 4s emergency.h flood a father finds himself in a dangerous spot after heavy mornings during a mes commute. >>. why warming global temperatures could mean more dangerous flooding events in the future. and grocery wars. competition bringing down the prices at your local supermarket. easan hogan went out in search of the best d for you and your family. >> announcer: welcome to news 4 this week. >> hello, everyone. i'm leonrr ha. and one of the biggest stories this week was a morning commute turned upside down by a deluge of rai andistoric flash flooding. when w the road, time, turn all the around, don't drown.

well, this week we saw what can go wrong if y don't heed that advice. a father for carry his kids through waist-deep floodwaters. molenas therescue. >> reporter: it only took a few ion to for a bad dec put a family in danger from the dramatic high water th the heigg rush. watch here as this dad had to carry his two little girls, they were around 7 years ofe, ag in each arm to get them out of their stalled car, trapped in high water here at the intersection of little falls parkway and massachusetts avenue. luckily, the dad was able to carry them away safely and a good samaritan rolled up, who watched all of this play out and actually gave them a ride home. >> he was unable to open the car so that's why he -- that' why the grabbed them out of the window. i was going t just go nearby

him. then i saw that it was okay, that he grabbed the kids. so then they were walking on the grass area. >> reporter: and you took them home. >> i took them home, yes. the kids were a little bit afraid and they were like, oh, dad, what's going to happen to the car and what's going to happen to our backpacks. >> reporter: and the good samaritan was nice enough to bring the dad back so he could get the little girl's backpacks out of the stalled car. and as quickly as that water came up, it receded he at this intersection and things got back to normal. but the dad's stalled out car remains here on the side of the road here at little falls parkway. that is the latest from bethesda. molette green, news 4. >> we're just glad they're all at home okay and safe this now, this week, we also saw countless images of people standing on top of their cars in the rising floodwaters.

we tracked down one of those drivers that we saw. news 4's megan fitzgerald talked with him about a day he'll remember for a long, long time. >> reporter: no one expected to start the monday morning like this. >> the entire house is underwr:er. >> repor rainwater surrounding homes andin submergg cars, filling streets from virginia to maryland and d.c. a father forced to carry his two daughters to safety, after his car was partially swallowed by water. others on canaln road i d.c. not as lucky. >> and when you go into work, you don't think you'll end up on the roof of your car, but idid. >> reporter: this is william diggs in the pink shirt during a commute he says he'll never forget. >> and i seeater dripping in my backseat. before i know it, the water's up to my seat, i'm crouching, and i think, the only way i'm getting out ofe is through the sunroof. so i open sunroof and squeeze out. >> reporter: and take a look at the view from hissu oof. several feet of water covering the gear shift. this is what his car looks like now.

it's gutted. diggs says it's likely a total loss. >> insurance may not cover it all, so we'll try to see if we can salvage it.r: >> reportensurance experts say this is a good time to see if you are cered for instances like this. flood-caused damage to vehicles is covered under the comprehensive portion of a standard auto iurance option without it, experts say dvers will likely be left to foot the bill. megan fitzgerald, news 4. >> so there is a goodhance you are covered by your auto policy. according to the insurance information institute, nearlyur fout of five drivers purchase that comprehensive coverage as part of their coverage packages. herential rain like we s this week is becoming far more common. and our changing climate is partly to blame for that. as temperatures get warmer, the atmosphere can hold and release more moisture. that leads to heavier downpours.

not just here, but all across the country. pat lawson muse explains why th trend isnly expected to get worse. >> rep an essentiall part of the world's ather system. but a lot of rain in a short amount of time can overwhelm storm drains, leading to accidentad on the ro damaging homes and infrastructure. a new study in the journal water resources research shows heavy downpours are on the se. it a trend we've witnessed over the last three to five decades when global warming arted tointensify. >> the earth goes through warming and cooling processes and what we're seeing right now is that humans are reallynt cobuting to the amount of greenhouse gases that we're putting in the atmosphere. greenhouse gases likeid carbon diox and methane are going to trap the heat here on earth rather than allowing it to escape out to space. so when you trap the heat, that leads to warmer temperatures. >> reporter: and it's not just here. it's happening across the country. overt the pas few weeks, rising rivers have flooded fields,

inundated homes and threatened aging levees from iowa to is misssippi. and a sopping wet winter led to mud slides in california, homes. a report by the national climate assessment shows heavy downpouri havencreased by 74% in the northeast, but we'reot just talking about more rain. the conditions are also more severe. from hurrica florence's record-setting rain last summer in the carolinas to hurricane harvey, which dumped more than 60nches of rain on texas in 2017, the most ever recorded for a storm in the u.s. d meteorologists say the situation will likely get worse our warming world. >> if you go back a few decades, and you're still going to have those heavy raienall . but when you factor in our changing climate, the fact that there's more water vapor, the water cycle is super ch what that's leading to is basically our extremes are getting more extreme.

>> pat lawson museeporting there. our region made history in 2018 with the wettest year on record in itwashington. 's just another example of our changing climate. but it doesn't end there. we invite you to search "changing climate" in our app. check it out and see how our waing world can affect your family, your health, even your commute. now, when we come back, a special honor for the founder of the smithsonian's afcan-american history museum. only d a story you'll see on 4, two brothers, both unintended targets violence in the district, sharing their stories of trauma and recovery.

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the man who designed the national mall's latest museum has died. today, we learned renowned architect phil freeland passed away due to complications from freeland designed the national museum ofn african-america historcultur he was diagnosed with als just six months before the museum opened in 2016. freeland worked on other notable

projects, including the national center f civil and human ri in atlanta. phil freeland was just 66 years old. and this week, the d.c. council honored lonnie bunch with a ceremonial resolution. bunch founded the smithsonian's national museum of african-american history and culture. he was also recently installed a as the secretary of th smithsonian institution. bunch is now the first african-american and the first historian to holdos that pion in the institution in its nearly 175-year history. bunch is also a d.c. resident and he talked about this honor with our mark seagraves. >> in some ways, this is so importanho because this is me. this is the place i care most about. it's the place that has shaped r my care it's the place that i go home to every night and say, i'm glad i'm in d.c. so this is aon humbling hor and i'm a little overwhelmed with emotion. >> bunch has hnly been in new job for a few weeks ande wengratulate him here. when come back, two young brothers becoming innocent

victims of gun violence. only on news 4, how the boys are helping each other heal. plus, grocery wars. stores competing for your money and it's paying off for you. susan hogan shows you which stores have e loe

two local brothers wounded in separate shootings this year. they're not giving up hope, though one of the boys has been left paralyzed, but both are trying to comprehend what happened as their mother helps to lift their spirits. the children spoke for the first time this week, only with news 4's megan fitzgerald. >> oh, my god. >> reporter: there's nothing average about roynal hill and his 12-year-old brother, royal, anymore. he was once a teenager like his friends with big dreams. >> being a writer or a rapper. >> but on may 4th, his life changed forever. >> i was standing and i heard

some shots. >> reporter: roy 'nal was shot, the bullet striking his spine. hep spent weeks in hoping for a full recovery, but it was his mother, ebony, who told him the prognosis. >> she said, you be all right, but you're going to be paralyzed. and i said, il stilllive, right? and she said, yeah, and i said, that's the only thing that matters. >> reporte ro understood how precious life was because three months earlier, his younger brother was shot, steps away from their home. >> and when they shot, i was running. and i push eed a girl out of th way. >> reporter: at 12 years old, royal says he saved a girl's life while almost losing his own. now he says he's too scared to go outside. >> when i go outside, i'my worried thetart shooting. >> reporter: so royal helps his brother to get around and do the

things he can't do for himself, because their mother always taught them that family sticks o ther. >> oh, it's heartbreaking, that this is what we've got to go through. >> reporter: the trauma and the wounds still linger, butheir strongand love is still >> i know. >> reporter: roynal won't give up hope that he'lleat the odds while his mother will try to accept that her family's life will never be the same. >> he can'thio the tngs that he normally you'd to do. my first son that was shot, he's scared to go outside. our yes, it will rob you of childhood. >> reporter: ebbonee hill's two young boys caught in a wave of violence that leaves innocent kids with permanent scars. megan fitzgerald, news 4. >> you may have noticed the family's home is not hanp accessib wreechreached oou to d.c. h authority and they tell us that the mother is now top of a waiting list to be placed in one. this week, d.c.'s oldest

hospital began its new life as an urgent care facility. this is what thee entra to the old providence hospital looks like now. the full-service hospital in northeast d.c. shut down at the end of april and left a big gapn in emerg care for residents in the eastern half of the district. the hospital had faced some serious financial problems in rece years. the urgent care center operates se a week. patients can get treatment for common ailmentsnd broken bones. the center also offers radiology and lab services. a new fce is being built around the white house to keep intruders from jumping on to the grounds. construction crews around the white house started work on this 13-foot-high fence this week. it's about doublef he size o the current one. the secret service says this new structure will be wider with stronger pickets. it wil take a couple of years to complete this $64 million project. visitors will still be able to see the white house, though, during the construction. now, are you getting the best deals at your supermarket? that's a very important

question. use you may be able to save money just by shopping a littl t further downstre. consumer reporter susan hogan is working for you, checking out which grocery stores in our area currently have the lowist prics. >> food is one of the biggest expenses for our families, so really add up.ucks each weekan so we decided toisit some local grocery stores to see which ones had the bes. prices >> from walmart, target, harris teeter and wegman's, we skewered the aisles one day last week checking pricesn 12 popular item. peanut butter,, soda cereal, eggs, milk. chicken breast, chips and crackersow even paper ts and trash bags. while weapon found plenty of sales that could have saved us some cash, we decided to sticks to the storegular prices for a fairomparison and we also didn' include any discounts we'd get with those loyalty cards. some of the biggest differences we saw, a 12-pack of diet coke

for $4.88 at walmart versus $7.49 regular price at har s teeter. and a box of 40 glad trash bags for about $8 at walmart versus $10.99 at safeway. our totals varied from $44.88 to $61.29. who came out on top? walmart, followed by wegman's with a total of about $48. target came in just under $50, giant's, about $54. and harris teeter and safeway were just over $61. we alsole checked out who foods. we didn't include themn our comparison since they only carry 4 of the 12 items we priced out. but for what it's worth, the prices on those items we in line with the other stores and on some cases, less. so if you want t see how the prices for each item actually varied a to the different stores, we have got the breakdown for you right now on our nbc washington app. all you have to do is sear

"groce toyou. >> souvenir also tested out curbside pickup and delivery services atr a numbe local supermarkets. the results of those tests also in the nbc washington app. check it out. see who made the mark, who performed well, and howtouch each s charges for those se ices. when ba go-carts with some lift. tommy mcfly checks out the scene at this cool n.

dale's little girl is headilg to college. lucky her dorm is about 10 minutes from a hotel by wyndham. ashley's meeting all her in-laws, and she's about 10 minutes from a wyndham. with tver 6,000 hotels acro country, a great hotel by wyndham is closer than you think. visit wyndhamhotels.com.

if you're looking to get a outside do something different and pretty thrilling, tommy mcfly found just therlace foyou. he checked out the scene at this new multi-level go-cart track, funland of fredericksburg. and you've just got to see juste is. >> all right, guys. are youuys ready? >> reporter: just down5 9 in fredericksburg, there's a brand-new racing experience like nothing else in the region. >> and i'm leadi pack! >> we wanted to do something very unique and special for the

city of fnddericksburg a something that would attract people from all over the place. >> reporter: the multilevel go-cart track at funland in frederickibu of its . the closest is four hours from here. 30 feet in the air, 1,800 feet of track, and i've got to catch up. >> i'm like, howoim i gng to pass my brother without hitting him. and i wait rightehind him, drops a little bit, and see, if they go high or employelo i go opposite way. >> when weit started building , pee like, what are you building, a roller coast queer? >> kind of. >> reporter: be ready to wait your turn on friday and saturday nights, but mid-morning, you'll have to wait a lot more. >> follow-up question, how does being taller mak y faster at go-carting. >> an r thepe dal. >> it's worth a trip.

life thetrack. >> again!n! agai i want to go again. in fredericksburg, i'm tommy mcfly, news 4. >> that place is guaranteed to be a hit. well, for so many more cool new places to sees and thingo do and check out, head to th a nbc washingtnd search for "the scene." we've got it all for you there. that's all this week. i'm leon harris and we'll leave you with video from that victory cup f m the u.s.women's soccer team. thanks for joining us and have a . cup champion soccer team. have a great week ahead.

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when i was diagnosed with ms, the firstwas my family.ht about i came home and cried. but, as i've seen my disease progress, the medicine has progressed right alongside it.ed trying to makeations more affordable is important, but if washington isn't careful we might leave innovation behind. let's fix the system the right way. innovation is hope, and the last thing yous ant to lose in life ipe.

barry, is closing in, overnight tornado warnin have people on edge asca tropi storm barry gained strength before slamming the gulf coast. protesters in d.c. showing support for immigrant families, hile rumors swirl ant possible immigration raids this weekend. that glass of wine at dinner might not be brienging you the health benefits you originally thought. more on a new study that's bucking some old knowledge. we're tracking tropical storm barry as it gains