Winter weather tends to be pretty impactful to aviation. Usually summer thunderstorms have relatively short lived impact as they move quickly. But winter can bring widespread low clouds and fog to Pittsburgh along with high winds. Even if there’s no snow. These snow squalls are worse, if you’ve driven on the highway in one you can see how quick they can drop the visibility to nothing!

I’ve seen quite a few organs moving through AGC, or at least I’m pretty sure that’s what I’ve seen. They usually show up on a small turboprop (usually a Pilatus PC-12) or small biz jet. Then someone takes a cooler off and loads it into an ambulance…