The front pushed up the South Island overnight — heavy snow in Otago and the Mackenzie Basin above 600 m, 1–3 cm down to 400 m, many roads affected, Christchurch about 19 °C falling to 10 by Thursday. A short, sharp event that clears Thursday.
Two separate southern-hemisphere cold events that both landed on the Wednesday they were called for — Patagonian snow to 30 cm and South Island snow above 600 m, timed two editions ago and arriving on the day.