On Camping if it pours on your tent it is a omen trekking is going to bad.
when we ENTer airPORT we hear forewarning or some sorts of signs to go ahead
if rain pours on ur tent then its indication to remove/shift d tent
same meaning as portend. Port +end - at the end of port, you find dead bodies,which is a bad omen of something bad that is gonna happen in future.