air conditioning

Happened for the first time today. The hissing becomes louder the higher the rpms go. Only thing I think it could be is some water got in the vents when it was heavily snowing two days ago. Any suggestions?

Went wheeling today with some water crossings and mud. It’s been raining daily in central Florida so it’s was pretty wet, but the water never reached the doors. Everything was seemingly going well, when suddenly my AC started blowing warm. Then the Auto Start/Stop warning light came on, then...