DISCUSSION: After being battered by high winds and heavy rain from Cyclone Cook, more wet weather appears to be in store for New Zealand (North Island especially) courtesy of another low pressure center currently off the west coast of the North Island. The figure above shows forecast 3-hour rain totals ending 6 pm local time Sunday. The color scale ranges from ~1 mm (light blues) up to 15 mm (yellow). Based on this model, rain is expected over most of the North Island during this time period. The cyclonic (clockwise)winds and circular rain band off the west coast of the North Island reveal the presence of the low pressure center. (For forecast rain totals for other time periods, see this website.) The rain should clear east of New Zealand by Monday night. Hopefully, dry conditions will persist for a while.
Disclaimer: The figure above is made freely available by MetService. Despite this, MetService is not associated with, and does not endorse GWCC or have involvement in how this information is presented.
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©2017 Meteorologist Dr. Ken Leppert II