how many droughns are they using a week, or a month?> they're on track to using a couple hundred thousand drones in a year. most drones only survive one or two flights before they fail or they're blocked. i was shocked at how good the russians were at electronic warfare in jamming. basically, everything you send into this battlefield which is quite narrow, by the way, the rest of the country is fine. i suspect on both sides. they jam everything. gps is jammed, but also communications is jammed. so normal drones don't work. so the ukrainians have taken cheap droughns and added additional antennas. one of the things i learned, something calls a kamikaze drone which is a $400 chinese drone that carries a small payload that moves so fast you can't shoot it down. i had thought that was the innovation of the war, two generals told me that is wrong. you need one that carries more payloads. i don't think the ukrainian drone strategy is completely formed. but they're building a completely new theory of war. >> and this is where we get to the sol

it effectively forces firefighters to ground their droughns, and more importantly, helicopters and planes how wildfires are connected to our changing climate and solutions that can protect communities. that's at 7:00 p.m. on kpix5 and streaming on cbs news bay area. >>> today and tomorrow both first alert weather days as the heat is going to be oppressive for inland parts of the bay area where an excessive heat warning is in effect for all inland parts of the bay area. but we don't lose that marine influence. it's going to stay cool along the coast. there is some fog out there this morning, same thing again tomorrow morning. and then we quickly back down to near normal temperatures next week. other parts of the state, especially southern california and inland of the san joaquin valley, they're going to be dealing with the heat nonstop for the next several days. we back down to normal temperatures next week before we ramp it back up again a little bit by next weekend. but i think we'll be able to avoid the extreme heat. today is another spare the air alert day. yesterday was a spare the ai