What about the might of power and efficiencies of l@ser? l@ser technology has been mastered from medicine to thick metal cutting, from precision astrophysics to hi-tech weapons, thermonuclear reactors..
A frequency could be set only for snow molecules on couple l@sers on mid-high masts next to runways to continuously scan runway surface and automatically adjusting power levels depending on snow intensity. This would do no damage to any other surfaces or materials as frequency would be specific and target only ice type molecules.
The basic device is already widely deployed at a much smaller scale - the microwave oven that these days is present in almost every domestic and commercial kitchen. The major problem is that all living things are mostly water, so any stay energy, and there would be a lot arouind, from the runway cooker would rapidly cook anyone who got too close.
A better, and possibly equally infeasible, solution would be to put a roof over the stands. That would keep the snow off the wings and permit the ground handling staff and equipment to work unhindered.
In the current crisis, with incoming flights diverted to places such as Birmingham, Newcastle and Mancester that have good rail links, it should be feasible to take passengers, crew and even cleaners to the aircraft by train, rather than waiting for the snow to melt. Apart from third-rail electrics, the railway is much less susceptible to snow than airports of roads. Diesels are more weather resistant than overhead electrics, and steam locomotives could get through drifts several feet high. We don't have enough of them to make a difference anymore, but we do appear to have a number of Eurostar electrics standing idle at present. Why not use them to take the passengers to the planes?