That hasn't happened in more than 40 years
                                
                                
                                    (Newser) -
                                    The northern Pacific Ocean experienced some weather weirdness over the weekend: It had no fewer than eight tropical cyclones swirling simultaneously on Saturday, the first time that's happened since 1974, reports the  Weather Channel . For the record, that encompasses tropical storms Fernanda, Greg, Noru, Kulap, and Roke, plus tropical...