[Grammar] Thunder Booms and Lightening Flashes ?

[Jadoon 84]

Whether the following sentences are correct or incorrect?

1, It rained hard, thunder boomed and lightening flashed.
2, Generally, thunder booms and lightening flashes when it rains here.

 

[Rover_KE]

'Please tell me whether the following sentences are correct or incorrect.'​

Change lightening to lightning and they are correct.

Rover