Annnd unfortunately that Gale Slash has blown up quite a bit of wind, sending the poor angel and all of his documents flying back a little ways down the road. Prioritizing the documents above his own safety, Aziraphale goes scrambling for them as Eve notifies him of a Persona- thankfully not a demon- that was just down the sidewalk.

"That's lovely, Eve, but these papers are getting soaked!" Getting snow on books and papers was only slightly less disastrous than outright dunking them in water.