The singer said: "It is really difficult to bear. We weren't hit in Kingston very hard, but it was frightening. And you're wondering, at any minute now is there going to be, you know, some tree that comes along and slaps your roof off?
"That happened to friends of mine in Montego Bay. They've lost their whole roof, and they're still in the trenches helping people there, making sure that food reaches and clothes reach [people]. Everybody's stuff is all muddied up and it's hard to think about something positive at this time."
Paul has pledged $50,000 (£38,000) to match donations to Food For The Poor Jamaica, and described the devastation as "a very mind-blowing situation".
"After days and days of communication and trying to help out in different ways, on Saturday I broke down," he said.
"It's just the amount of energy it takes, and the depression that starts to set in, and then you have to shake yourself out of it because there's just so much to be done that we haven't even tipped the iceberg yet."

