Laura is shown constantly walking through snow wearing only stockings and slip-on shoes as well as a business coat. However, despite being exposed to the cold, Laura is never affected by the temperature.
The radio only is capable of commercial FM and AM reception; it shouldn't be capable of picking up distress frequencies which are beyond the ranges of commercial transmissions.
Laura's submachine gun is only capable of holding 15 rounds, yet she fires considerably more than that in cutscenes.