hi I have a two storey house in houston texas. This friday we got about
3 inches of rain at around noon. I was in my master on the second floor for the good part of the rain. When i went to my first floor family room I noticed water on my couch. I looked up to see a water stain from my vent. I quickly opened the vent to find it was completely dry and concluded that water was just using the opening to drip down. Now the rain although not heavy was steady by the drip had stop. I went up to the second storey and noticed no leaks in the ceiling just above. I also went thru the attic with a flood light and although the space is tight could not find any water marks by the drain vents etc. So i am lost as to how water was dripping thru the first floor with no evidence of it on the second. Now to the left of the family room is the guest bathroom which has it's drain vent and plumbing pretty far from the drip. I cannot imagine any plumbing in the area of the drip. The guest bathroom does have an exhaust which is about 3 feet from the drip spot. All the drain vents on the roof were re sealed after hurriance ike. And i should mention that during hurriance ike we did have a drip spot about a foot to the left of the new one.So my quesiton is where do i look and what do you think is going on. The drip spot is about 9 feet from the shingled house side. Where could this drip be coming from. It also rained all day today pretty heavy and the drip is gone.
If it was the plumbing or the drain it would be consistent but it isn't. Please advice and thanks for reading.