trying to crack that code to determine if climate change impacts those yet stream patterns are our crazy weather. >> you know, brian, so many people will say even if it's not backed by scientific evidence will say we're having such a terrible winter. this means our summer is going to be so warm. do you think that el nina, that warm air blast off the pacific ocean, could that force a warmer than usual summer season this year? >> bill la penta says that is possible and they're looking closely at that whether those those el nino patterns will affect the continental u.s. this summer. he says it may be too early to tell at this point. you can expect severe weather one way or another. >> it's become the norm. brian todd, thank you so much. ahead, more extreme weather on the way. find out who's under a blizzard watch for this weekend. plus, we'll show you how all this snow is taking a toll on romance this valentine's day. hey guys! sorry we're late. did you run into traffic?