I have the exact same drip under the glovebox which is super frustrating. it's not the AC, as that's a totally separate issue, it happens only after heavy rain.
I recently had the windshield replaced due to other issues but that didn't help at all with fixing leaks ( or making new ones )...
I've seen 3 pacific blues, ever. one was in Aruba tucked away in a garage, one of seemingly few 100's on the island. The other two were heading towards nags head from corolla in the outer banks, seen about ten minutes apart from each other. Saw the duo, not an hour after I had a conversation...