rig noat 30:a oststa. brk o thwt >>> right now at 4:30, a frosty start, break out the winter jackets, kari hall is back with us to tell us how to prepare for the bay area's coldest morning of the season so far. >>> new overnight in the south bay, a man hit and killed on a freeway on-ramp. mao the chp is turning to the public for help with answers. our own kris sanchez will have a live report in moments. >>> walking out. the reason students at uc berkeley plan to stand up and leave class in a matter of hours. "today in the bay" starts right now. good thursday morning. thanks for joining us. i'm sam brock. >> i'm laura garcia-cannon. it's a great morning. kari hall is back. >> maybe i should leave more often. >> i really enjoyed my maternity leave and enjoying coming back to hang out with you guys. >> the warm-hearted kari hall on the coldest day of the year. >> it is really like you snapped and all of a sudden it was winter. that's what we have this morning out there. make sure you're ready for that. as you

rig noat 30:a oststa. thwt >>> right now at 4:30, a frosty start, break out the winter jackets, kari hall is back with us to tell us how to prepare for the bay area's coldest morning of the season so far. >>> new overnight in the south bay, a man hit and killed on a freeway on-ramp. mao the chp is turning to the public for help with answers. our own kris sanchez will have a live report in moments. >>> walking out. the reason students at uc berkeley plan to stand up and leave class in a matter of hours. "today in the bay" starts right now. good thursday morning. thanks for joining us. i'm sam brock.