The South Island's ski fields were not the only ones hit by a change in temperature this week.
Staff and patients at Omahanui Private Hospital in New Plymouth had a narrow escape on Monday night when a ceiling caved in during a big hailstorm. Nurse aid Marie Kay said she was forced to take evasive action as water dripping from the ceiling suddenly caused it to collapse.
And passengers on board a white-knuckle flight during Monday's storm screamed in terror as a landing at Wellington Airport was suddenly aborted and the plane was flown into a turbulent thunder cloud.
Carol-Ann Herbert, of Blenheim, said "it was just massive lifts and drops, ups and downs, with a lot of banging and crashing and lots of squealing".
Wild weather continued to lash the Wellington region yesterday, with some ferry services being cancelled or cut back. And Auckland motorists heading across the harbour bridge were warned to take extra care because of strong wind gusts.
There were about 30,000 lightning strikes around the country over 24 hours, thanks to the severe weather hitting the west coast. Wild winds brought down power lines and lifted roofs off houses in Christchurch as emergency services battled to combat the fierce conditions.