Yeah, it caught me by surprise too. It had been raining pretty much all day, and that tent was wholly unprotected.

Live and Learn I guess. I no longer have that tent, having gone to the packable variety that are easily vented yet fairly weatherproof. Either that or my big canvas wall tent, which only comes out for elk season.
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)