The pre-load image sort of gives it away, but it's still pretty awesome that the Chech news media isn't ignoring the Brotherhood of NOD like the US news media is.
Since I would have to assume this is real, the timing of the "nuclear blasts" affect on the camera at the end of the clip segued pretty well with the cut to the news desk. Luckily, I suppose, weather news stations are easier to predict than the actual weather itself.