Noru transforms from a wandering weakling into a roaring typhoon that is now churning towards Japan

But forecast tracks for Noru are literally all over the map, so it's too soon to tell whether the storm will make landfall there
For ten days, Noru meandered aimlessly in the Pacific at no more than Category 1 strength, doing a big lazy do-si-do with a tropical storm but otherwise seemingly going nowhere.By Sunday, Noru had weakened into a tropical storm. But as it wandered southward, it entered an environment with low wind shear plus very warm surface wat