Most basically, it means, "There's thunder." As a question, it can be asking, "Is it thundering?"
There is thunder
It means "To listen to the thunders/explosions"
Tormenta de rayos.
The 4a-ge, found in most Levins or Truenos.
"Hay" means, "there is" or "there are."
No, but it can be caused by hay.
"Hay Clearing" means to clear the hay from the ground.
It's Spanish for "Who can sleep with all that thunder?"
'Hay' means both "there is/there are."
It means. The hay is in the barn
cuando hay clase = when class hay = there is/are cuando = when clase = class
A horse is a "hay burner".