>> walter wallace! >> tonight, we confront the police commissioner. >> can you understand their emotion? >> i'm a parent. i couldn't imagine what it would be like to lose a child. >> and the family's call for justice. the one weapon they say all officers need to have. >> if tasers had been ound, he would very likely be alive. >> this "turning point" "a call for help," will be right back. a voeer that ps re to everything he does. it really protects my skin. it's comfortable and lasts a long time. with triple action moisturizers. i've never slept like this before. we gave new zzzquil pure zzzs restorative herbal sleep it's comfortable and lasts a long time. to people who were tired of being tired. what is even in this? clinically-studied plant based ingredients passion flower, valerian root, and hops. new zzzquil pure zzzs restorative herbal sleep. my crew. always on the go. and they work hard, but play harder. you know, day trips. week-long road trips. it's what we do. and nothing gets in the way of our p

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thus the season. >> walter wallace with the bay area air district. thank you for joining us.and inform our viewers about the safety and that people need to be careful during this fire season. thank you. now we'll take a live look outside traffic weather cam. you can overcast, cloudy night kron four's rodriquez is here with a look agree that. yeah, let's take a look at your sierra forecast. i know a lot of you heading out to the sierra to celebrate your 4th of july. >> and right now we're tracking calmer drier conditions for most of this year. truckee saw pop-up thunderstorms. and we're seeing that thunder and lightning storm to the south and east of south lake tahoe. we're right now topaz lake and bear valley seeing widespread thunderstorms out there. so severe weather impacting your area and we still are not out of the woods just yet because we're expecting to possibly see dry lightning throughout the sierra starting tonight at 11 o'clock through 11 o'clock sunday morning. so remember, even the sierra is under extreme drought conditions and any lightning spark could certainl

. >> joining us now is walter wallace from bay area air quality management district.ood morning. >> good to see you. we know triple digits can sometimes prompt the spare the air alerts. now are they determined and should we expect one? >>> in the case of the summertime it's usually ozone. when people drive along with the high heat. in the case of the next few days until early next week, we are expecting elevated temperatures. so with a large number of people possibly driving, you want to reduce as many people driving of course but we may see a spare the air alert. we call these when we are expecting ozone exceedence above air quality index score of 100. >> the biggest concern of course with heat is the potential for fire danger. in the bay area, we know the next big one can start in the blink of an eye. how should we prepare for the unhealthy levels brought on by the wildfire smoke? >> there are a number things you can do. the main thing is if you smell smoke, know that you are being affected. in the cases, if you have young folks, the elderly, individuals who have co