nycbusdriver
Veteran
Blaming the wx is BS. I worked crappy wx a few years - one winter, temps went to -25F (-50F windchill) and snow drifted up to the middle of my second story window.
The difference is, we planned for such a weather event - staffing, equipment, supplies,etc. ahead of time. Management had the foresight to rent a few tractors with snowplows, knowing they had some farm boys who knew what to do. I made some nice OT on a tractor clearing our gate spaces and fuel farm - the airport was busy on the runways and ramps.
During the worst of it, we had heavy falling snow. We set up four deicing rigs as a 'car wash' at the end of the runway. The planes got shot and immediately took off. When two rigs ran out of fluid, we had two more ready to go. Not rocket science, yes?
The notion of "if the temps had been a few degrees higher, we'd be ok" is BS,too. You shouldn't cut it that fine, and you should plan for the worst. I fully understand you can't fly with ice pellets. Cancel where you're most likely to have them, and design the system to recover where you don't. If the NE is going to sock in, ferry the canceled flights and crews to CLT. Game it out ahead of time, and design a computer program that will automate the heavy lifting. Or can't SHARES do that? If it can't, the BOD needs to do the job the stockholders hired them to do.
Of course, that takes $$$ and insight.To date, US misspends one and has none of the other.
While I think that WX was only part of the story for USAirways, it does appear that the WX in PHL was more disruptive than your personal horror story of heavy snow and extreme temperatures. There is an entire page full of tablulated criteria which we now consult whenever the temps are at or below freezing and some form of H2O is falling. Heavy snow does not stop operations entirely, as long as the procedures are followed. Hence, in your experience, the airplanes were car-washed and left immediately. And that's legal.
Ice pellets, though, (unless they are reported as "light") STOP air carrier departures. Finis. End of story. Car-wash till the cows come home, you still can't go. If Ice Pellets are reported, you could have the deice truck chase you down the runway, and it still would be illegal to depart. That's the law.
Now, the forecast for the meltdown (no pun) date was for improving conditions, but moderate or worse ice pellets continued unabated despite the expectation that conditions would improve. THAT is why operations had to shut down.
You just cannot depart an airport reporting ice pellets (moderate or more) no matter what de-/anti-icing precautions are taken.