Patchy low cloud sitting over upperparts of the North Island with a trough is generating showers, heaviest around the Northland. Cloud over western regions of the South Island with a moist onshore flow is causing a few showers.
In December 2014 we upgraded our lightning network to the latest in sensor technology as used by the world's leading meteorological agencies. This has resulted in changes and improvements to the lightning data you will now see. The main changes are: