He considers it a moment, running the calculations in his head, then nods "They're made of a adaptive nano-fiber. Once the nanites sense the change in conditions, they will harden and dig in. It'll be noisy outside, but the tents and those inside should remain warm and dry. " Well, as long as the Nanites didn't malfunction. But the chance of that happening with one of the tents, let alone two was miniscule. Worst case scenario, they might all have to squeeze into one tent.