KNTV NBC Bay Area News At 11 April 1, 2013
meteorologist rob mayeda, what is the latest? >> hail at times may have approached almost 1 inch in diameter. that's the latest we have from the storm report out by tracy. that's what triggered the severe thunderstorm warning. you can see the cell right there tracking east of brentwood from 6:30 to 7:30 in the evening. look at all the lightning flashes. we had about 400 reports of lightning at the stronger cells closer to stockton and brentwood. right now another line of showers, possibly some embedded thunder rolling into pleasanton and livermore that is approaching from the south r...