They could then get someone in from Zürich, Geneva or Munich to run the airport.
Seem to remember a very similar few days in LSGG a few years back - turned up for a morning shift just as they closed for snow clearing, only to clear the runway / taxiways and forget about the apron - result - closed for ~48hrs (memory permitting).
Should the Gulfstream hiccup or stop, you are at similar latitudes to Canada's cities and Moscow etc. so that may be your weather patterns.
Certain scientific circles have been stating for quite some time that this is indeed the case (in particular, with relation to the gulf of mexico oilspill / "cleanup") with north atlantic water temps measured at 10 degrees lower than normal (try googling "Dr. Gianluigi Zangari").
And yet it was all "unforeseeable"!
