What's with Coleman tents?

The problem that you inquire about does not ociate to a particular BRAND of tent. I had similar wind-in-thunderstorm response in economical, car-camping only, Ozark Trails and Texsport tents. I even experienced a similar experience in a more expensive, discontinued MSR Fling tent. The relevant issues are: 1] lack of a full-fly covering; 2] flexible tent poles; 3] cheap materials, hence, rock-bottom low price. The result is NOT a leak. The damp outcome results from wind-driven INTRUSION and bathtub floor retention. None of my tents failed. Each was resilient. I would trust any of them car-camping, where long-term survival is not critical. I would never use them in an exposed mountain tundra deep in the wilderness. However, I would also never haul that heavy of a tent on my backpack. Coleman has excellent storm-resistant, full-fly tents. However, if you are backpacking, you need to find a tent at about one-third the weight. Notice: a good backpacking tent costs ten times more than a car-camping tent. See: Helios, $360-$550, full-fly, four-season tent, around 8 to 12 pounds to carry. See: Hooligan, $64, full-fly, 12 pounds.