[Even before she sees him, she'll probably hear the very loud, very familiar yelling of "EMMA, HEY, EMMAAAA!", and then there's an eyeful of flailing Stiles in her direct line of sight.]
Soooo, you're awake! That's- awesome, hi, welcome back to a very blizzard-free Miracle Country! You totally missed all the fun, snow monsters, freezing to near death, all nice things like that. [8D HI NOT!SISTER he missed you, okay.]