I've been chasing an intermittent leak on a 7 year old house for several years and would appreciate any thoughts. It only occurs during a hard wind driven rain, like with hurricane Arthur this past weekend. I cannot recreate it using just a garden hose. The water shows up in the front door foyer - down the wall adjoining the garage, a few spots on the ceiling, and this past weekend was the worst with steady drips/stream through the light fixture about 1 foot back from the front door.
Previously I have used silicone caulk to seal the seams between some of the panels over the foyer roof. This did not stop the leak. About the last possibility I see is that water is being forced between the back edge of the roof and what I will call the wide flashing that extends from under the bottom of the window above the roof and the roof itself. There appears to be some type of mesh material (closure strip?) between the two surfaces. Could this be the problem? What is the solution? Short of redoing the roof, would just filling the remaining gaps with silicone be a reasonable fix? Here are some photos that show the area in question, zooming in on the left corner:
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