Hey, it's slippy aht!
While I am not a native Pittsburgher, I have acquired some of the native accent after living here for over four decades. "Slippy" = slippery, "aht" is how o-u-t is pronounced in these parts. Regardless of accent, though, lots of conditions can result in one's tires having a tenuous relationship with the pavement underneath. I have bicycled, unicycled, motorcycled, driven a car, and of course, motor scootered in non-ideal conditions. Four winters on the SUNY Geneseo campus, often on unicycle, provided me a wealth of experience being able to read and understand the surface conditions of what I'm approaching, and so be able to predict what might happen once my tires (tire!) get there. This cannot be taught; it's literally seat-of-your-pants learning. Not all snow acts the same, and not all dry-looking pavement can be trusted. To date, over 4,500 miles of usage, I have dumped the scooter only twice. Once on dry pavement, once while barely moving but on wet ...