Areas and period:
And now we come to the "almost", because this alert applies from central Switzerland to the far east of Felix Austria. In the Bernese Oberland, it should also be enough for alerts, but significantly less. Further west it remains cosmetic. The alert is valid until Thursday evening or Friday morning in the east, as it will take a few more hours for the advancing high to choke off all precipitation.
Wind:
It's going to be pretty windy. Storms and fresh snow usually result in unpleasant surprises in the high mountains. West of the Salzburger Land it is "not so bad" because there is no base there anyway and you are more likely to hit boulders than trigger avalanches, but further east where the last dump has created a base, it gets nasty. So read the LLbs and be careful. (Of course you have to be careful wherever there is snow, but you know that, I think). The good thing is that there's probably quite a bit of snow going through to the main Alpine ridge, so there should be at least 2/3 of the northern thaw there.