If you found yourself, and your family, in the middle of a tornado, could you be sued for breaking into someone's house to take shelter?

My son almost did this. His wife and 3 of their 4 kids (the 4th was at her mom’s) were taking a small road trip yesterday. The weather was perfect. Then suddenly it wasn’t! It started raining so hard he could not see the road. The wind must have been 70 to 100 mph. He was doing about 10 mph, dodging trees that had fallen. The kids were pretty scared. If six-year-old Onna had been there, Chris said, she would have been bawling!
Suddenly he was able to make out some white gravel and knew it was a drive way. He dodged into it and drove behind the house. He started banging on the door, peering into the house through the window. He could see the stairs leading to the basement…but no one was home!!
He took his credit card and was able to open the door. When he was sure he could get it open, he closed it again, and went back to the car and waited, hoping it wasn’t going to get any worse because he really didn’t want to break into their house.
Then the wind switched and came at them head on.
He is Kansas born and raised, he’s seen a LOT of wild weather, and he has to say that was the worst he’s ever experienced. He was even “kind of” scared. It lasted about 10 minutes then gradually died away.

He said that if he HAD broken in, afterward he would have called the sheriff’s department and told them about it, and asked them to come make a report while they were still there.

Do you think he would have gotten into trouble?