area. >> another concern is debris flow. signs are already up warning residents near the burn scars in the san bernardino mountains. allison chinchar joins us now from the weather center. what's the latest? >> the latest is, those north american outer bands are just now starting to cross into california. the stream southern portions starting to see a few of those strong thunderstorms begin to push back in. here you can see a lot of that and also some lightning. we're not only seeing rain bands push in but also thunderstorms. this stretches from yuma, arizona over toward palm springs and it's going to continue to spread north. more and more showers and thunderstorms will fill up this area and get heavier through the rest of the day, because that storm is expected to slide north. as it does so, it is expected to weaken as it goes into much