Flights have resumed at Christchurch Airport after lightning strikes earlier affected some of its "critical infrastructure", leading to cancellations and diversions.
The airport said in an update this afternoon "there will be impacts up and down the networks, with delays and disruptions".
"Passengers should check with their airlines as to any impacts on travel plans."
Airways confirmed all systems at the airport are now operational again.
There was a December dusting of hail at Sheffield Primary School. (Source: Nicki Fuller) (Source: Supplied)
Lightning strikes had impacted airfield lighting and navigation systems.
Email pictures and video of the wild weather to news@tvnz.co.nz
It comes amid a thundery day for the region.
Fire and Emergency NZ said it had had a "relatively busy morning" with a number of calls for activated alarms due to intense thunder storms.
"The rain caused some surface flooding in small number of properties in Christchurch and Timaru," the Southern communications centre manager said.
MetService said it recorded 2mm of rain in a single minute at Christchurch Airport.
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