What does rayu? mean it's japanese word they use it when telling weather in news ?

Question

lol i dont know if that's how you spell it i only heard it and it kinda sound like that?

Answer 1

I think you talking about "raiu"　雷雨. "raiu" is made up of the characters for "lightning"/"thunder" （雷）and "rain" （雨）. It's used to refer to thunderstorms.

Basically, the weather people are saying "watch out for (heavy) rain and lightning". "Raiu ni ki wo tsukete kudasai".

Answer 2

http://loosea.com/Visiting-the-Japanese-...