We watch the fire blazing,
And feel the roots of the house move, but sit on,
Seeing the window tremble to come in,
Hearing the stones cry out under the horizons. (21-24)
Yeah, the wind's scaring these people, since it seems to be destabilizing their house. But it's also impressing them, given its strange ability to make stones scream (even if that's not literal, of course).