the storm clouds are gathering over the bay area. you're looking live from our camera on top of mt. tam. in just a fewer hours, rain will begin falling as part of a storm system that will soak us for three days. thanks for joining us. i'm kristensze. let's get straight to meteorologist mike nicco. what can we expect today? >> today is going to be light. it will be mainly in the north bay and during mainly the evening hours. here's a look at live doppler 7. what you're looking at is a lot of rain not reaching the rain. it's evaporating. it's midlevel moisture. what is even more impressive is look how long this plume of moisture is. nearly 3,000 miles long.

we'll tap into the front half with this low bringing us the heaviest rain tomorrow. for the rest of today, watch the radar returns. they're mainly across the north bay the next six hours. there are scattered sprinkles elsewhere,s but the best chance will be in the north bay up until about 7:00. then the heavier rain will come in tonight through saturday morning. i'll tell you all about that coming up in the big weather. first, we've got to talk about our storm watch coverage. team coverage begins with abc7 news reporter elissa harrington with a look at how crews are bracing for the flooding. >> reporter: that's right. storm watch crews with the city will be paying extra attention to low-lying areas in san francisco's mission district where they set up temporary barriers this morning. barriers is they are filled with 50 gallons of water to weigh them down and their job is to channel the rainwater away from homes and businesses.

>> reporter: this is becoming a familiar sight in san francisco's mission district. flood barriers wrapped around the block. this is one of the city's low-lying areas that is prone to flooding. the white pods are filled with water to weigh them down. the red ones stay empty so they can be moved if needed. >> when it rains so heavily during a very short period of time, and the water needs to go somewhere. gravity works and so the water needs to find a way. this neighborhood is almost ground zero for that. >> reporter: san francisco's public utilities commission says the city deploys a strike team before a big storm. this includes large vacuum trucks that clear debris from sewers and catch basins. we found sandbags stacked in store fronts and doorways. they also have resources for property owners, including a floodwater grant program. >> we can reimburse property

owners up to $100,000 to implement projects on their properties to minimize the impacts of rain, floodwater intrusion into their properties. >> reporter: crews will be on standby all day and all night. anyone with a rain-related issue can call 311. this is the third rainy season the city of san francisco has used these temporary barriers. live in san francisco, elissa harrington, abc7 news. >> thank you so much. don't get caught unprepared in the rain. you can download the abc7 news app right now soyou can track the weather where you live. now to the latest on the youtube shooting. good news today on the victim who was most seriously injured when a disgruntled video creator open fire tuesday at the headquarters of the video-sharing site. a man in his 30s who was in critical condition was upgraded

to fair condition. he's the only one still hospitalized. abc7 news reporter matt keller is live at youtube in san bruno with other developments today. matt? >> caller: 24 hours ago crime scene tape was still up here and cherry avenue was closed to traffic. today more normalcy. people are headed back to work. changes reminding everyone of what happened on tuesday. what you're looking at wasn't a big deal. several san bruno fire units responded to youtube's headquarters on cherry avenue at 8:15 this morning. a manual fire alarm was pulled. they don't know if it was intentional but all firefighters had to do was reset the system. of course, every emergency response here at the site of tuesday's shooting can bring on a lot of anxiety. youtube is trying mike their employees feel comfortable. >> we'll be increasing the security we have at all of our offices worldwide to make them more secure, not only in the near term but in the long term. >> reporter: that increased

security was very visible this morning. we saw many workers go inside the building today for the first time since the shooting under the watchful eye of several guards. san bruno police also has two officers stationed at the campus today. the parking garage entrance next to the courtyard where the shooting took place was closed. cars were directed up to another entrance. instead of just passing through a gate arm, drivers also had to have a guard open another security gate. all these new protocols being done in an effort to make people feel safe, all the while reminding them of the violence that took place on tuesday. youtube has told workers they can take time off and work from home, but many choosing to come in anyways. reporting life, matt keller, abc7 news. >> thank you. now, nasim aghdam's family in california offered their apologies. about a year ago her

relationship with the company so you soured after ther channels and views declined allegedly because of filters. >> i don't know how she would like it. you can't go see -- all the u.s. people, all human. i'm sorry. i can't believe it. >> yesterday atf agents searched homes in southern california where she lived. the family says they warned police she might, quote, do something. for continuing coverage of the youtube shooting, follow us on twitter or facebook or go to our website abc7news.com and enable push alerts on the abc7 news app. it's the fastest way to get breaking news as it happens. new at 11:00, traffic has slowed through the concord area because of this crash on highway 4 near interstate 680. sky7 was overhead. you can see a car under a big rig. officials haven't told us how this crash happened, but no injuries were reported.

pretty amazing. look at the backup on highway 4. both lanes are now open. but you can still expect delays. there's a new development in the serarch for three members o an oregon family whose suv went off a cliff in mendocino county. authorities found a cell phone, saying it might help them piece together what happened last wednesday. that's when investigators found the suv. the bodies of two women and three of their adopted children, but the other three are still missing. officials have already said they believe this was an intentional act. crews will continue their search which the weather improves. a man who assaulted a female uc-berkeley employee with ammonia is still on the loose. it happened here at wheeler hall yesterday around 1:30 a.m. police say the woman entered a rest room and found the man inside. she told him to leave because the building was closed. he then attacked her with the ammonia. the victim suffered burns and had to go to the emergency room. san francisco's cracking

down on people who use b.a.r.t. and muni system elevators as bathrooms. according to "the xm exm will staff vielevators with attendants. they will stop people from urinating and doing other undesirable things in them. the pilot program begins later this month at powell and pacific stations. distracted drivers, today is one of two days in april that police officers are calling enforcement days. their new campaign is called just drive. so, no using apps, texting, talking or typing in addresses on your phone while driving. if the potential for injury or death doesn't keep you from breaking the law, maybe a stiff fine will. the penalty for first-time oe fepders is $160. the next enforcement day will be april 13th. new at 11:00 -- walk to work

day. abc7 news was at san francisco city hall where you can see mayor mark farrell and other city officials joined residents this morning. this is the sixth annual event. there were hubs set up throughout the city where walkers could enjoy coffee, snacks and other goodies. everyone is encouraged to walk at least 15 minutes as part of their commute. don't worry about the rain, it won't come until later. growing tensions over border security has california's governor in the political cro - cross-hairs. the reason governor brown feels more compelled to side with president trump. mark zuckerberg is

breaking news. san jose police are looking for a man they say threatened to kill police officers and people in san francisco. take a look. police just released this picture of 44-year-old dustin hamilt hamilton. he's accused of stealing guns from a home in san jose last night and threatening to kill san francisco residents and any law enforcement personnel. san francisco and san jose police are looking for hamilton. he already has two outstanding warrants out of san francisco for assault and vandalism. anyone with information is asked to call 911. by the way, we do have his picture up on the abc7 news app. new at 11:00 -- uncertainty this morning between california's governor and homeland security secretary. it's unclear whether governor brown will go along with president trump's new plan to

use national guard troops to patrol the u.s. border with mexico. jessica castro is here with the very latest. >> hi, kristen. homeland security secretary is pressing governor jerry brown to comply with president trump's order to use national guard troops to protect our state's border with mexico. she says show has talked to him once already but plans to talk to him again today. nielsen didn't say what would happen if governor brown outright refuses to ut national guard troops for that purpose. president trump yesterday asked california along with arizona, new mexico and texas to use their guard troops to support border operations alongside border patrol. governor brown is the only democrat among those states, and so he's the wild card. >> he has seen this happen before and he has seen it happy. the whole concept is border control. you know, i'm hopeful.

i'll continue to talk to him and see what we can work out. >> national guard troops are under control of the states. democrats in california have been pressing governor brown to ignore president trump's plans. but as you heard from the homeland security secretary, nothing is a done deal yet. conversations continue. meanwhile, the california national guard says it is still reviewing the request. jessica castro, abc7 news. >> thanks. facebook ceo mark zuckerberg has agreed to appear before a second congressional hearing next week, this time in the senate. he'll appear in a rare joint hearing of the senate judiciary and commerce committees next april 10th. a day before testifying before a house committee. yesterday facebook announced million more users than originally thought had their data exposed by cambridge analytica. new this morning, twitter announced it has suspended 1.2 million accounts from its social media platform between august 2015 and the end of last year.

for violations related to the promotion of terrorism. the san francisco-based company began mass suspensions in early 2014, responding to criticism that it wasn't doing enough to crack down on users who promote or link to terrorist groups. if you love abc's tgit lineup, you'll love what we have in store for you after the break. alexis smith dished with the stars of one of the newest shows about tonight's sizzling episode. we established the heaviest of the rain is coming in tomorrow and saturday. let me give you a quick peek on wat i expect to happen. my highest concern is hydropl e hydroplaning. i'll have

my name is jamir dixon and i'm a locafor pg&e.rk fieldman most people in the community recognize the blue trucks as pg&e. my truck is something new... it's an 811 truck. when you call 811, i come out to your house and i mark out our gas lines and our electric lines to make sure that you don't

hit them when you're digging. 811 is a free service. i'm passionate about it because every time i go on the street i think about my own kids. they're the reason that i want to protect our community and our environment, and if me driving a that truck means that somebody gets to go home safer, then i'll drive it every day of the week. together, we're building a better california.

let's jump right into this system, this unusually late atmospheric river that's going to bring us possibly a whole month's worth of rain, if not more in some neighborhoods. mt. tam showing us multilayer clouds. rain will roll in during the evening hours up in the north bay. it will become moderate to heavy tomorrow through saturday and weaker storms in my forecast. five of the seven days in my accuweather forecast feature a chance of rain. that's unusual for april. if you're going to the coliseum, no worries. cloudy, 61 at 12:35 to 64 at 3:35. take sunscreen just in case. temperatures will hang out in the mid to upper 60s in most neighborhoods. a few neighborhoods at 65. low 60s at the coast and san francisco. here's how the day will break down as we look at the clouds

from the east bay camera. a little hazy. that's the moisture coming in. gray at noon. scattered sprinkles possible as the atmosphere begins to moisten around 5:00. temperatures will be back in the upper 50s to low 60s. by 12:00 we'll be in the mid to upper 50s with that rain intensifying and starting to spread south. the storm starts out as a one. this evening, light on the storm impact scale with less than 0.1 inch of rain. the yellow and oranges showing up overnight and temperatures in the mid-50s. eureka and crescent city right now saying rain is reaching the ground. looks impressive. here's what's going to happen. once we start to get the rain, the north bay and santa cruz mountains, especially the burn scars could see debris flows from the heavy rain starting at 5:00 tomorrow morning through about 11:00 saturday morning. it's going to be a long run. it's going to be even worse up in the mountans where up to 7 inches of rain will fall up to

10,000 feet. that will melt the snow and the runoff from the heavy rain. that's why that flooding is going to be occurring there and why that flood watch is out. the storm ramps up tomorrow through saturday with drenching rain. highest totals will be where those burn scars are. and then the rest of us up to 45-mile-an-hour gusts. here we are, 5:00, not much going on. we get to midnight and you can see light to moderate rain, spreading down to the south bay. during the morning commute the rain will be torrential. heavy at times. it will continue through noon. it may let up just a little bit outside the north bay during the afternoon hours. and then tomorrow night startsing at 11:00 through the morning hours another batch of moderate to heavy rain rolls through. look at this. by noon it's gone. will we get the giants game in at 1:15, i think it is, saturday? it will be close. depends on how well the outfield drains. 7:00, you can see nothing in the bucket. then by friday morning, a quarter in the south bay.

by commute friday evening, look how heavy the rain is. a third an inch in the south bay to nearly 3 inches in north bay. when all is said and done, we'll get rain in the south bay. 1 1/2 to 2 inches around the bay and up to 4 inches of rain in the north bay. that's outside the mountains where we could get 5 inches. you can track -- let me talk about the accuweather seven-day forecast real quick. one today, two tomorrow, two saturday. you'll get sunshine sunday and monday, a little warm. you can track the incoming weather where you live or where you're going with the abc7 news app. it has live doppler 7 so you can get your hour by hour conditions in your neighborhood. it will be handy, especially when you wake up tomorrow morning f we're not on yet, if we are on, turn us on. if not, check out the app. >> sounds good. now we have that photo and breaking news story we told you about earlier. san jose police are looking for this man. 44-year-old dustin hamilton. they say he threatened to kill

police officers and people in san francisco. he's accused of stealing guns from a home in san jose last night and making those threats. anyone with information is asked to call 911. new at 11:00 -- two more keynote speakers have been announced for professional business women of california business conferences. lily tomlin and jane fonda. the duo currently stars in net flecti netflix show. the lineup includes maria shriver, rosie rios, alexander roddy and cheryl jennings. i'll be there as well. spencer christian, many of us here at abc news. we have been a proud sponsor since the beginning. abc is turning up the heat with a brand-new episode of "station 19." alexis smith spoke with the

stars of the gray aes natomy spinoff. he says his new career as a firefighter is thrilling both for his character and for him as an actor. >> ben's been trying to get closer and closer to the action. he was an anesthesiologist, became a surgeon and now first responder. he's at the source of a person's problems. the adrenaline that got him in trouble as a surgeon is now a tool he can use as a first responder. >> andy is trying to fill her father's role as captain, something she says can be difficult in a male-dominated industry. for andi it comes as second nature. >> its not a big deal. right on. a woman telling me what to do, i've experienced it, i met with two female captains and i saw them give orders to other guys in the station. and it was no big deal. >> andy is also navigating between relationships with fellow firefighter jack and her ex-boyfriend, ryan, who works for the police department. that will reach a critical point

on tonight's episode. >> i think the relationship, i think the love triangle takes a turn. >> lots of complications with the love triangle. >> you know, ben is learning to be a firefighter but he starts having some other concerns that i can't talk about yet because shonda rimes says ninjas will take you out if you give spoilers away. >> you have to watch to find out. >> you've got to watch. >> it's tgit on abc. you can watch "sta

. that's all the time we have, so we'll say thank you for joining us. "who ps wants to be a millionai" is next. >> tomorrow we'll have ponding on the roadway. we'll probably have a repeat during the evening commute. it's 1 1/2 through 3 day rain event. >> thanks, mike. have a great day, everyone. bye-bye.

we have one to two fires a day and when you respond together and you put your lives on the line, you do have to surround yourself with experts. and for us the expert in gas and electric is pg&e. we run about 2,500/2,800 fire calls a year and on almost every one of those calls pg&e is responding to that call as well. and so when we show up to a fire and pg&e shows up with us it makes a tremendous team during a moment of crisis. i rely on them, the firefighters in this department rely on them, and so we have to practice safety everyday. utilizing pg&e's talent and expertise in that area trains our firefighters on the gas or electric aspect of a fire and when we have an emergency situation we are going to be much more skilled and prepared to mitigate that emergency for all concerned. the things we do every single day that puts ourselves in harm's way, and to have a partner that is so skilled at what they do is indispensable, and i couldn't ask for a better partner.

>> hey, everybody, welcome to "millionaire." we're thrilled to be playing our game today with our very special guest, sherri shepherd. can she walk out of here with a $1-million check for her favorite charity? we're about to find out. it's time to play "who wants to be a millionaire." [dramatic music] ♪ [cheers and applause] >> [laughs] >> welcome to "millionaire." whoo. i was gonna introduce her. now i really don't need to. people love them some sherri shepherd up in here. [cheers and applause] >> hey, everybody. >> our special celebrity guest, comedian, actress, and cohost of mine. >> yes, actually, i got to-- >> we spent a couple weeks together. >> i know, and it was so much fun. i got to cohost "who wants to be a millionaire." but it's very, very different