有雷雨。
Yǒu léi yǔ
There is thunder-rain.
雷雨 = thunderstorm
外面打雷闪电，雷阵雨来了。
Wài miàn dǎ léi shǎn diàn, léi zhèn yǔ lái le
Outside thundering and lightning, thunderstorm has arrived.
打雷 = thunder strikes; 闪电 = lightning flash
电闪雷鸣，这种天气出门找死呢！
Diàn shǎn léi míng, zhè zhǒng tiān qì chū mén zhǎo sǐ ne!
Lightning flashing thunder roaring, going out in this weather is asking for death!
电闪雷鸣 = classic 4-char idiom; 找死 = literally seeking death = crazy/dangerous
More Chinese (Mandarin) Weather Phrases