During Weather Condition 1, wind speed is greater than 55 knots, wind chill temperature keeps colder than -100°F (-73°C) and visibility becomes less than 100 feet. Of course, travel outside is nor permitted during Condition 1 weather.
But when the weather is fine, they can also film scenes like this:
16 noviembre 2007
Next video is "filmed at McMurdo Station, where it is relatively sheltered by the surrounding hills. The weather down here is classified as being Condition 3 (nice weather), Condition 2 (not so nice), or Condition 1...":