where is the dangerous weather hitting now? reporter: all three systems you mentioned are merging into one giant, slow-moving mess. the center is still across the plains, snow, rain, severe weather, at least one torna tain io the tpi tou tt is mo is lt over from hurricane pamela. downpours widespread tonight and tomorrow. the next 36 hours will be wet before it all moves east. rob, thank you. we move to the breaking news from overseas. a horrific scene in norway. a deadly bow and arrow attack. five people killed, two injured. james longman joins us from london. you re getting new information about how this attack was carried out. reporter: yeah, that s right, whit. tonight, the suspect is under arrest after this horrific